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1989 Wanderlodge Wide Body Pusher (WB) (view source)
Revision as of 09:38, 12 November 2021
, 09:38, 12 November 2021→Manuals & Reference Material
===12 Volt DC Supply System===
===12 Volt DC Supply System===
Wiring diagrams of the 12 volt supply and distribution system are included in Section X. The 12 volts supplied to all motorhome appliances, outlets and accessories is routed from the batteries through a main 12 volt master switch and routed through busses to the individual branches, or zones, that are serviced from this supply. Circuit breakers are located behind the access panel at the top front left side of the coach, lower front load center (behind removable panel outside front of coach) and at each of the zones. The circuits supplied and fuse or circuit breaker protection at each zone are shown on diagrams included in Section X. A typical load center is shown in figure 4-1. <br />
Wiring diagrams of the 12 volt supply and distribution system are included in Section X.
[[File:1989 WB40 Manual Figure 4-1 - Typical Load Center.png|frameless]]
The 12 volts supplied to all motorhome appliances, outlets and accessories is routed from the batteries through a main 12 volt master switch and routed through busses to the individual branches, or zones, that are serviced from this supply. Circuit breakers are located behind the access panel at the top front left side of the coach, lower front load center (behind removable panel outside front of coach) and at each of the zones. The circuits supplied and fuse or circuit breaker protection at each zone are shown on diagrams included in Section X. A typical load center is shown in figure 4-1.
====Battery Heaters====
120 volt ac battery heater pads provide faster engine starts during cold weather conditions by increasing the available cold cranking power. Heaters operate only from the ac supply line via the Battery Heater switched by 120 volt breaker only.
'''''Note''' To avoid premature deterioration of the batteries, heaters should be used only when the temperature is below 32°F.''
====Battery Chargers====
The 12 volt coach battery supply , figure 4-2, and the generator battery are maintained fully-charged by either the engine alternator (when engine operates); or by battery charger.
[[File:1989 WB Manual Figure 4-2 Battery Compartment.png|right|frameless]]
Batteries can become discharged because of coach 12 volt loads, while parked, without a 120 volt ac source. For overnight stops this presents no problem , with judicious use of 12v. service, because the engine alternator will recharge the batteries rapidly during the next day's travel. When operating from shoreline or generator power, the batteries obtain the major portion of the charge during "sleeping" time , while coach loads are low, so that the battery charger can "top off" the batteries . If it is planned to leave the coach parked without exterior power for two days or longer turn off the Electronic Master switch in overhead cabinet adjacent to left front load center. This will ensure that there is no drain from the circuits which remain on when the Master (under dash) switch is Off (clock, memory and LPG leak detector).
====DC Supply Monitors====
'''The ALT/CHGR METER''', located on the lower dash , indicates the total current flow from the charging source (engine alternator or battery chargers).
'''The BATTERY CHARGE''' ammeter, located on the co-pilot's overhead dash, shows the current flow to or from the coach batteries.
'''The COACH LOAD''' ammeter , also located on the co-pilot's overhead dash, shows the load drawn by coach circuits.
'''ENG. VOLT METER''' , located on lower dash, shows voltage at the batteries .
While in transit, this should reflect an alternator regulated setting of 14v. When parked, with 120v. source supplied, this should read between 12.5 and 14.0v. depending upon load. When parked, without 120v. source, do not permit voltage to drop below 11.5.
After a trip, '''CHARGE''' ammeter may show some discharge reading, even when 120v. source is supplied, if there is a load on the 12v. coach circuits. The Float type battery charger allows a voltage of 12.5-13 when there is a load.
===AC Supply System===
[[File:1989 WB40 Manual Figure 4-3 AC Power Selector Switch.png|right|frameless]]
Motorhome ac-operated appliances are supplied from either an external shoreline hookup or from the on-board generator. Selection of shoreline or generator power source is determined by a four-position ac power selector switch located in a floor compartment between the co-pilot's seat and right sidewall as shown in figure 4-4. Set this switch to either '''Gen, Shore 50A, Shore 30A or Off''', depending on the power source availability . Leave this switch in '''Off''' position to completely disconnect the motorhome 120 volt ac circuits normally supplied by these inputs.
<br />
====Power Line Monitors====
A dual power line monitor is located on the copilot's overhead dash to monitor the voltage in both legs of the ac shoreline supply (or generator supply). The monitors have a polarity and ground detector circuit to indicate possible electrical hazards due to incorrect hookups. A power line polarity monitor is located in the shoreline/utility box (figure 4-5).
<br />
====AC Circuit Breaker Panels====
The main ac circuit breaker panel is located in the bedroom. See figure 4-4.
[[File:1989 WB40 Manual Figure 4-4 - AC Circuity Breaker Panel.png|right|frameless]]
<br />
====Generator Operation====
The generator plant has its own 12 volt starting battery so that it can be started independently of the coach 12 volt batteries.
The generator can be started and stopped from any of three locations within the coach: at the driver's instrument panel, at the systems Monitor Panel, or at the bedroom panel. In addition , the generator can also be operated from the controller box in the generator compartment.
To start the generator, push the Generator switch to the Start position and hold until the generator starts, as indicated by the generator On indicator light. '''''Do not hold switch on for longer than 5 seconds at a time!''''' If the generator does not start the first time, wait a minute and try again. Release the switch when the indicator light in the switch glows. The generator may be stopped at any time, by holding the switch to the Stop position until the generator stops (light in switch extinguishes).
In cold weather, it is necessary to activate the cylinder glow plugs before starting. Push StartStop switch to Stop position and hold for 15 to 20 seconds.
It is not advisable to start the generator under a heavy load, especially with the high current demands made by the air conditioners. This may cause hard starting and possible damage to the generator electrical system. It is a good practice to remember to set the Power Selector switch to Off (figure 4-3) before turning on the generator so there will be no electrical load on the line. Also , remember to set the selector switch to '''Gen''' position when the generator is being used; and to reset the switch to either Off or Shore position, as appropriate.
The generator is housed within an electrically operated extendable tray. To open, operate the Out-In Gen. Tray switch in the front outer pilot's side compartment.
'''''Caution The generator tray is heavy and moves in and out with a great deal of force. Keep Hands Off Tray When Operating Switch!'''''
<br />
====Shoreline Operation (Commercial Power)====
[[File:1989 WB40 Manual Figure 4-5 Shoreline Utility Compartment .png|right|frameless]]
Shoreline Operation (Commercial Power) Set the power selector switch, figure 4-3, to Off position before the motorhome electrical system and external supply are joined. Caution Your motorhome has been wired in accordance with the National Electrical Code. All 120 volt ac wiring is two-wire service with ground; all 240 volt wiring is three-wire service with ground. If the motorhome is connected to an external hookup which has only a two-wire circuit, ground the third wire on the adapter to the external supply metal junction box or conduit. '''''For personal safety, check the polarity detector indicators on the power line monitors to be sure that lines are properly connected and grounded.'''''
For purposes of safety, observe all precautions when making these connections. First, connect the shoreline to the coach (rotate plug clockwise to assure firm connections) . The coach receptacles are located in the left side utility compartment shown in figure 4-5. Connect the other end of the shoreline to the power source. Set the power selector switch to the appropriate Shore position. Poor grounding or incorrectly-wired receptacles can cause personal harm as well as equipment damage or fire hazards . Check reverse polarity indicator in shoreline /util ity compartment to verify correct polarity and grounding of hookup.
In many instances, the shoreline hookups will not be rated to operate all electrical appliances in your coach. Check with facility personnel to determine the maximum current capability of the hookup . Sometimes , only one air conditioner may be operated . The current ratings for appliances designated for standard or optional (identified by *) usage in your coach are listed in table 4-1 .
<br />
{| class="wikitable"
|+Table 4-1. Electrical Rating for Motorhome Applicances
!Item
!Current Rating (Amperes)
|-
|Air Conditioners 14,500 BTW
|(Start) 19.0
|-
|Water Heater
|10.0
|-
|Television Receiver B&W
|.5
|-
|Television Receiver Color
|1.0
|-
|Dattery Charger (depends on battery condition / load)
|0 to 14.0
|-
|Engine Block Heater
|10.0
|-
|Electric Heater - Interiro Heater
|12.5
|-
|Electric Heater - Battery Heater
|1.2
|-
|Electric Heat Tape
|3 watts/ft
|-
|Microwave Oven
|15.0
|-
|Food Center
|4
|-
|Refrigerator
|2.7
|-
|Ice Maker
|15 Start 2.5 Run
|-
|Washing Machine / Dryer
|14.0
|-
|Instant Hot Water
|6.5
|}
====Troubleshooting====
Your coach is designed and tested to make sure the 120v. ac Neutral (white) wire and the Ground (bare copper or green) are not tied together (no continuity). This will prevent any danger of a "hot skin" if the source of power has reversed polarity (red LED lit).
{| class="wikitable"
|+
!Status / Problem
!Cause
!Corrective Action
|-
|Green LEDs
|Normal
|Normal (desired)
|-
|Red LEDs Lit
|Reversed Polarity at power source
|Convince park management to correct or change lot assignment.
|-
|Neither Red or Green LEDs
|No ground connection with park service
|Use jumper lead from ground pin on shore cord to service box
|-
|Power Source (Park) circuit breaker trips
|Reversed polarity in park and coach neutral and ground tied together .
|Use on-board generator until qualified electrician can correct coach problem. (Generator polarity is correct)
|-
|Green AND Red LEDs glow when additional load is turned on (Air Conditioner or Water Heater).
|Poor ground connection at park (floating ground).
|Make sure shoreline plug is fully engaged twist locked (clockwise) at coach.
|}
====Safeline Alarm====
Your coach is equipped with a shoreline disconnect alarm , which is located on the upper left auxiliary dash. This device will provide an audible or visual alarm whenever the shoreline is left connected to the coach at the same time that the ignition switch is turned On. This assures that the coach is not inadvertently driven away while still connected to the shoreline hookup.
===Audio System Warning===
Low-voltage audio system wiring is run throughout the coach between the stereo radio, speakers , headphone jacks , volume controls and amplifiers. These interconnections are shown on wiring diagrams provided in Section X.
===Electronic Master Switch===
Most of the electronic circuits are de-energized when the main Master switch (behind dash) is turned Off (relay action). Circuits that still receive power when the Master switch is off serve the monitor panel, clocks , radio memory, and LPG leakage detector. If coach is to be stored for two days or more without external power, the Electronic Master switch in the front overhead kitchen cabinet on driver's side should be turned off.
===Battery Jumper Terminals===
For your convenience and safety when jump starting (usually someone else's vehicle), terminal posts are provided in the upper curb side of the engine compartment. Utilization of these terminal posts is described in Section VIII.
===Battery Storage in Freezing Weather===
Batteries that are not kept full-charged must be given protection against freezing. Partially charged batteries will freeze at low temperatures , so batteries must either be left charged or removed from the vehicle and stored in a warm location. The motorhome can be left connected to the shoreline ac supply and the coach battery chargers will keep all batteries charged. Note that even in a warm location it is advisable to keep the batteries charged to prevent deterioration. The six· main coach batteries should be checked for proper electrolyte level: add water, as required. The battery used for the generator is sealed.<br />
==Water Distribution and Drainage==
==Water Distribution and Drainage==
Your motorhome is equipped with a completely self-contained water system which includes piping, heating and drainage facilities similar to those used in home installations. The water supply and distribution system includes three networks: (1) a potable water supply system, which includes the water tanks, pump, air accumulator, pressure switch, water purifier and input supply lines; (2) water heater and interior hot water heating systems; and (3) waste, winterizing, quick drain and sewage drainage systems. Refer to Section X for potable water system and plumbing drainage system piping diagrams.
<br />
===Water Supply and Distribution System===
[[File:1989 WB 40 Manual - Figure 5-1 Water Hookup.png|right|frameless]]
As shown in figure 5-1, the dual purpose Tank Water Fill/Commercial Water inlet connection is located in a small compartment at the curb side rear above the shoreline/utility compartment. The Tank Fill On-Off switch , located in the shoreline/ utility compartment controls a solenoid-actuated water valve to divert the commercial water input to fill the pure water storage tank(s). Located beneath the rear bed(s), the tank(s) are non-pressurized types so that system water pressure is developed by pumping action directly into the supply lines, rather than by tank pressurization. A bacteriostatic water purifier system purifies all the water supplied to the coach .
====Commercial Water Hookup====
When facilities are available, the Commercial Water hookup can be used to supply all coach water system requirements. In this manner, the coach water tank and pump system are automatically bypassed by the supply line check valve and water pressure is developed by the external connection. Water inlet pressure is regulated to 40-psi by a valve which is part of the combination city (commercial) water fill, check valve, and regulator shown in figure 5-1.
'''''Note: The Tank Fill switch should be On only when the water tank is being filled. This switch must be in Off position at all other times.'''''
===Filling and Sanitizing Filling the Tanks===
To fill the water supply tanks , connect the water hose to the commercial water inlet, set Tank Fill switch to On, then turn on the water supply . When tank(s) is full, as indicated by water overflow beneath the coach, set the Tank Fill switch to Off position, shut off the water supply and disconnect the hose. At this time, check that the Monitor panel readout on the dinette wall indicates a full water tank. To check, press the Pure tank switch and observe that the E through F indicator segments are lit.
====Sanitizing the Water System====
[[File:1989 WB 40 Manual - Figure 5-2 Water Purge and Drain Controls.png|right|frameless]]
Water system sanitizing procedures should be followed before the system is used for the first time, after long idle periods, where water may become stagnant; or after any suspected contamination of the water supply. Whenever possible, use a commercially approved tank sanitizer and follow the procedures on the product package. If it is not possible to use a commercial product, prepare your own mixture and sanitize the tank in accordance with the following procedures:
#Empty the Water Tank(s) - To drain tank(s), set the Water Tank Drain control (on the control panel in the bed base cabinet) to Open, figure 5-2.
#Prepare the sanitizing solution using ¼ cup of household bleach (sodium hypochlorite solution) for each gallon of water. Use one gallon of the solution for each 15 gallon s of tank capacity. This procedure will result in a residual chlorine concentration of 50 ppm in the water system . If a 100 ppm concentration is required use ½ cup of household bleach with one gallon of water to prepare the chlorine solution. Nine gallons of solution will be most adequate for the largest tank(s) (128 gallons).
#Add sanitizing solution to water tank(s) - Disconnect overflow hose from tank(s) and pour solution into vent fitting. A curved piece of 1¼ I.D. hose , clamped to the vent fitting, will facilitate this process. Reconnect overflow hose.
#Fill tank(s) to Capacity - Connect the hose to the commercial water inlet , set the Tank Fill switch to On and fill water tank(s) completely. Shut off hose , and set Tank Fill switch to Off. Turn on water pump. Open each faucet (hot and cold) and run the water until a distinct odor of chlorine can be detected. Shut off wat er pump .
#Allow the system to stand for at least 4 hours when disinfecting with 50 ppm residual chlorine . If a shorter time period is desired , then a 100 ppm chlorine concentration .should be permitted to stand in the system for at least 1 hour.
#Drain Tank(s) - Open the Water Tank Drain control and allow the tank(s) to drain completely.
#Refill Tank(s)-Close the Water Tank Drain control , and turn on the water supply to the commercial water inlet, set Tank Fill switch to On and fill tank(s) completely . When the tanks are full, set Tank Fill switch to Off, shut off water supply and disconnect hose , replace fill cap and turn on water pump . When water flows from opened faucets, close them and open other faucets until water flows. This flushes the system, removing trapped air from the piping and ensures that the fresh water supply is ready for use.
'''''NOTE: Residual tastes or odors can be removed by again draining and rinsing the system with a vinegar solution mixed to the ratio of one quart of vinegar to five gal Ions of water.'''''
===Potable Water Distribution System===
[[File:1989 WB40 Manual - Figure 5-3 Water Pump Location.png|right|frameless]]
[[File:1989 WB 40 Figure 5-4 Water Purifier.png|right|frameless]]
The major components of the potable water distribution system are the bacteriostatic water purifier , water tank(s) , water pump , air accumulator , water heater, piping and fixtures . The air accumulator and water pump are shown in figure 5-3; the water purifier and water tank drain valve are shown in figure 5-4. Water Pump The water pump, figure 5-3 , is equipped with a factory-calibrated pressure control switch which is preset to turn the pump on when the system pressure falls below 20 psi; and turn the pump off when the pressure reaches 35 psi. If the pump has been out of service for a period of time , it is advisable to open a faucet before turning the _pump on. When water flows steadily from the opened faucet , close faucet and observe that pump shuts off when system becomes pressurized . (it may also be necessary to bleed the air from the other faucets as well.) When the potable water supply tank(s) level is low, or empty , shut the pump off to prevent possible damage to the pump motor. In addition to integral motor overload protection, the pump mechanism · is also protected from jamming by the presence of an in line filter (pump guard) between the pump and the supply tank .
====Water Purifier====
The bacteriostatic water purifier, figure 5-4, filters and purifies the potable water supply to eliminate tastes , odors and coloration produced by chlorine, rust, insecticides , detergents , sediment and other foreign objects . Satisfactory elimination of water-borne disease-carrying bacteria is accomplished by a hygienic filter bed which consists of silver ions absorbed on sponge silver metal which is deposited in a finely divided form on granular activated carbon of high surface area. An added benefit is that even though the coach is not used for some time, bacteria will not grow in the water distribution system. Each time the filtered water supply is used for drinking or cooking purposes, run the tap for a few seconds to clean out the line prior to using the water. This is particularly important if the water tap is not used on a daily basis. If the water supply has not been in use for extended periods, allow the water to flow for a minute or two before use.
====Purifier Replacement====
Depending upon the condition of the municipal water used, the filter media will normally process 75,000 gallons of water before the purifier will need to be replaced. For the majority of "Wanderers " this means there will be at least five years of useful life. The only practical way to determine when replacement is required is to go by the sense of taste. If a faint taste of chlorine is detected , it is time for a change. Even when there is a noticeable taste the bacteria stopping proper ties have not been compromised.
===Water System Air Accumulator With Diaphragm===
[[File:1989 WB 40 Manual Figure 5-5 Accumulator .png|right|frameless]]
An accumulator in the water system smooths out the water flow, eliminates water hammer and pulsations from the water pump. Having no diaphragm , the present accumulator can become water-logged , lose its effectiveness and require frequent re-pressurizing. The WX101 incorporates a butyl diaphragm with the air side (top) being pre-charged to 20 psi. If this is accidentally lost, the accumulator may be recharged to 20-25 psi through the Schrader valve on top.
===Water Heater===
The 10 gallon Marine Electric Water Heater has a "motor aid" heat exchanger to ensure a supply of hot water while in transit and upon arrival at your destination . Engine coolant circulates through this heat exchanger as shown in the chassis heater piping diagram in Section X. The electrical heater can be used whenever 120 volts ac is available . The heater switch, located in the bedroom closet , switched Off when heated water is not needed.
====Dry Tank Switch-Water Heater====
In order to preclude the possibility of water heater element burn-out , a dry tank sensor circuit is provided . This circuit consists of a sensor in the outlet of the hot water tank which sends a signal through a printed circuit board to energize a relay whenever the tank is not full. When the 12 volt coil of the relay is energized , it breaks the 120 volt ac circuit to the heater element.
===Outside Faucet===
An outside faucet is provided in the L.P.G. tank compartment so it is not necessary to enter coach to wash hands , etc. The low point drain valve behind the bathroom toilet must be open to supply water to this faucet. To gain access open bottom hinged door and lift hinged floor . ''While traveling in freezing weather, this faucet should be left open and the low point drain valve closed.''
===Drainage System===
A diagram of the drainage system is provided in Section X. Separate holding tanks for gray water and body waste are located beneath the coach mid-section . The gray water holding tank is the receiver for the water from the kitchen sink and the shower; the waste holding tank stores toilet wastes and waste water from the bathroom lavatory. Each holding tank has a separate drain valve, dumping gray water and wastes through a common single discharge connection. Separate vents from each holding tank extend through the roof of the coach. The right (curb) side holding tank serves as the body waste tank and the one on the left (road) side functions as the gray water tank.
====Draining the Holding Tanks====
The waste holding tank is drained first, then the gray water tank. Drain the holding tanks as follows:
'''''It is advisable to drive your unit for a short distance to agitate the contents of the holding tank before dumping.'''''
#Check that both drain valves are in a closed position before removing drain cap . Note that the valve handle s are turned clockwise to lock the valve.
#Remove the safety cap from the single discharge connection by turning the locking ring in a counter-clockwise direction and connect the 3- inch sewer hose coupling to the end of the valve. Tighten locking ring securely , in a clockwise direction. The sewer hose is stored within a tube accessible through a compartment door located above the drain cap , figure 5-6 . Place the discharge end of the hose into the sewer conne ction and check that all connections are secure to prevent accidental spillage.
#Open the drain valves, by turning the handle to the left (counterclockwise) to unlock, then pull the handle straight outward.
#After contents are emptied, flush out holding tank to dislodge remaining solids. '''''Note To clean the holding tank, add a detergent solution into the tank after it is emptied. The agitating action from vehicle movement will clean the tank.'''''
#Close drain valves by pushing handle inward and turning to the right (clockwise) into the locked position.
#Disconnect and wash out drain hose, replace hose and replace safety cap securely.
====Dupree Power Valves====
Visit the [[Dupree Power Valve]] page to find more information regarding operation, maintenance, parts list, and other key information.
====Tank Level Detectors====
Each of the holding tanks and the potable water supply tank has a level detector which provides an electrical input to the Systems Monitor panel on the dinette side wall. Activate the display to read the level of liquid remaining in each tank by pressing the appropriate pushbutton switch.
<br />
<br />
===Winterizing===
To prevent freezing of water supply lines, they are wrapped with heat tapes that operate automatically when the temperature drops below 38 degrees F. The heat tapes are connected to the ac outlets in the rear of the refrigerator compartment and behind the kitchen sink base.
If you are planning on storing your motorhome in an unheated area during cold weather, it will be necessary to winterize the water system to prevent damage from freezing conditions. Winterizing procedures are covered in the following paragraphs.
====Draining and Winterizing the Fresh Water Supply System====
The following procedures show the use of the various drain valves, controls and pressurized air system to remove the water from the plumbing and appliances in the fresh water supply system. Refer to figures 5-2 through 5-7 for the location of controls and valves.
[[File:1989 WB40 Figure 5-7 Lavatory Sink Plumbing.png|right|frameless]]
#Open the main circuit breaker box and set the Water Heater and Instant Hot circuit breakers Off.
#Turn on Water Pump switch and open all faucets (galley sink, lavatory , shower , outside hose connection and toilet water valve - after depressing pedal insert block to maintain position) . Note that the outside water hose connection should always be left open when freezing temperatures are expected. Also, remove thumbscrew from bottom of toilet valve, and drain plug at bottom of Instant Hot. If equipped with Ice-Maker refer to Draining the Ice-Maker below.
#Open the low-point drain valves located beneath the lavatory sink, figure 5-7, and the lavatory.
#Turn the Water Tank Drain control to Open , and the WATER HEATER switch to Drain. Both controls are located on a panel in the bed base cabinet or vanity , figure 5-2.
#Allow water to drain completely before proceeding to the next step.
#Move the Water Heater switch to Fill.
#Set Water Purge Air Pressure switch , figure 5-2, to On to activate the solenoid which applies air pressure to the input water line to purge the water system. Note that it may be necessary to start the engine to build up air pressure.
#When only air remains in the lines, close both low-point drain valves and all faucets . Replace drain screw/plug in toilet valve and Instant Hot. Operate the Instant Hot water heater valve to clear the heat exchanger of remaining water. '''''Note When reactivating system make sure Instant Hot is full of water before switching on.'''''
#Turn Water Purge Air Pressure control to Off, set Water Pump switch off, and shut down engine.
#Disconnect both hoses from the water pump to prevent residual water from backing up into the pump.
#Open all faucets and both low-point drain valves (toilet valve to remain open ).
#Drain the holding tanks and add RV antifreeze (several quarts) to each tank through the toilet (into the sewage tank) , and through the galley sink (gray water tank).
#At this point, the only water remaining in the system is contained in the U-traps (P traps) beneath the lavatory and shower drain. To prevent this water from freezing and damaging the traps , pour one pint of RV system anti-freeze into each trap.
====Draining the Ice-Maker====
If your motorhome is equipped with an ice-maker it will also have to be drained so that no water remains in the line or icemaking mechanism.
#Remove the cover from the bottom compartment and turn the switch Off
#Disconnect the water line from the solenoid valve fitting. 5-6
#This line must be blown free of water , and can best be done during step 7 above. Do not reconnect the water line at this time.
#Turn On the ice-maker and allow it to operate until all remaining water is drained (approximately one hour). Remove any water remaining in the icemaker mold , drip tray, or cube compartment.
#Turn ice-mak er Off, reconnect water line, and leave door slightly ajar to prevent interior humidity build-up from corroding the ice-making mechanism micro-switches.
==Liquefied Petroleum Gas (LPG) Systems==
==Liquefied Petroleum Gas (LPG) Systems==
The coach is equipped with a permanently mounted 43.5 gallon (148 pounds of fuel-net) LP gas tank which is the energy source for the range, three gas furnaces and alternate source for the refrigerator. A piping diagram of the LPG system is shown in Section X.
===LPG Tank and Controls===
The LPG supply tank is located in a curbside compartment as shown in figure 6-1 . LPG system controls include a main gas service valve, two stage pressure regulator , filler connection with Auto Stop {80%) fill valve, 20% vapor (stop filling when liquid appears) valve, and the pressure relief valve. Down stream of the pressure regulator is a solenoid operated shut off valve.
[[File:1989 WB40 Manual Figure 6-1 LPG Tank Compartment.png|right|frameless]]
'''''Warning When coach is to be stored in a confined area, turn off the LPG at the main tank shutoff valve (figure 6-1 ).'''''
A flexible hose from the two stage pressure regulator connects to tubing which carries the LP gas to the electrical solenoid shutoff valve, and manifold to individual appliances. The solenoid valve is actuated by either a high pressure condition (caused by a defective regulator), or by the remote LP leak detector , located below the refrigerator door. Tank level can be monitored at the Systems Monitor panel. To read the digital display , press the Propane Tank button .
'''''Caution Be sure to shut off all gas appliances before filling the LPG tank. Check gas lines and fittings periodically for tightness and leakage.'''''
===Fuel Requirements===
Liquefied petroleum gas is a material composed of various hydrocarbons such as propane, butane, or a mixture thereof. In its gaseous form (vaporized) it is colorless and has a garlic-scented additive to ensure detection. In addition to being highly inflammable, it is also dangerous to inhale. For ease of transportation and storage, LPG is compressed into a liquid state and stored, in this form, within the LPG tank. As fuel is used, vapor passes from the top of the tank into the two stage pressure regulator and to the various gas appliances.
Appliances will not function if the LP gas does not vaporize. Butane will not vaporize below 32 degrees F. (the freezing point of water), but propane will continue to vaporize down to 44 degrees below zero. Propane has become the main type of LP gas used in RV's in recent years. Your LP supplier will have the correct type or blend for your locale. If your travels will take you into an area where climate differs, ask your LP dealer for his recommendations. The names of LP suppliers can be found in the yellow pages of your telephone directory under "Gas-Liquefied Petroleum - Bottled & Bulk". Many campgrounds now have LP gas fill facilities, as do some service stations.
Prevent condensation and possible regulator or line freeze-ups , when filling the tank, by requesting the dealer to add a small amount of Methyl Alcohol to the fill-up . A common mixture is one ounce of Methyl Alcohol to each 20 pounds of LPG.
===Filling the LP Gas Tank===
When the tank is being filled, the Service valve must be Closed and the 80% liquid level valve (20% vapor valve) must be Open. The 80% Auto stop fill valve may close before liquid appears at the 80% liquid level valve, but if liquid does appear, stop filling immediately ; the tank is filled to its LP capacity. Close the liquid level valve. Do not use a wrench to tighten this or the Service valve; they are designed to be closed leak-tight by hand. If you cannot hand-tighten properly , the valve probably needs repair or replacement.
===LP Gas and Vapor Detectors===
The Gas/Smoke alarm, on the monitor panel , has sensors at various locations through the coach and sounds an alarm if the safe amount of LP gas or carbon monoxide in air is exceeded . The LP gas leakage detector below the refrigerator door monitors the area near the refrigerator and the range, sounding an alarm and actuating the LP gas solenoid shut-off valve if a leak is sensed.
===Regulator Pressure===
The two stage pressure regulator regulates the pressure of the LPG supplied to the appliances. The regulator functions automatically and is factory-preset to provide the correct line pressure. Do Not attempt to tamper with or reset the regulator! Even a small variation above the normal gas line pressure can be sufficient to create a dangerous situation and cause possible damage to individual appliance components. If there is any doubt about the regulator setting it can be checked by your Wanderlodge ® dealer or LPG supplier. The correct setting is 11-14 inch water column.
===Operation===
To operate any LPG appliance , the main gas (Service) valve , figure 6-1, must be Open. At each furn ace there is a shut-off valve that must be opened prior to use. When first used , or after a refill, there may be some air in the gas lines which will escape when you open a range burner or similar LP gas valve . The air may extinguish your match or igniter the first time or two , before you get ignition. Remember , too , that when you close the tank 's Service Valve some of the gas will remain in the lines . To completely bleed the lines of gas, Close the tank 's Service valve and light a range burner to use up the excess . When the flame burns out, turn the range burner Off.
===Checking For Leaks===
Periodically check the LPG system for possible leakage. Do not wait for an alarm condition to occur before correcting a leak! Although the entire system and associated appliances undergo extensive factory testing for leakage , road shocks and heavy vibrations may loosen or damage piping or fittings. Leaks will usually become noticeable by the characteristic odor of the garlic-scented gas additive. To check, turn off all burners and pilot lights. Open all doors and windows. Open LPG tank service valve and use an ammonia & chlorine free soap-bubble solution on all connections. Any bubbles are evidence of leakage.
===LPG Consumption===
Most gas appliances are intermittently operated. However, operation during cold weather conditions does cause a heavy use of the gas furnaces. Extensive oven usage also consumes a great deal of fuel. The amount of LPG consumption depends on the total use and manner of use of these appliances. Note that each gallon (4 ¼)lbs of LPG fuel produces approximately 91,500 BTU's of heat energy. The LPG tank used in your coach will furnish over 3 million BTU's. For your guidance in estimating your anticipated fuel consumption, the following is a listing of typical appliance consumption ratings when the appliance is operated for one hour:
{| class="wikitable"
|+
|Refrigerator
|1,500 BTU's
|-
|Cooktop Burners
|5,200 BTU's
|-
|Furnaces (3)
|16,000 BTU's Each
|}
===LPG System Warnings===
Warning LP gas containers shall not be placed or stored inside the vehicle. LP gas containers are equipped with safety devices which relieve excessive pressure by discharg ing gas to the atmosphere.
Warning It is not safe to use cooking appliances for comfort heating. Cooking appliances need fresh air for safe operation. Before operation:
#Open overhead vent or turn on exhaust fan.
#Open Window. This warning label has been located in the cooking area to remind you to provide an adequate supply of fresh air for combustion. Unlike homes, the amount of oxygen supply is limited due to the size of the recreational vehicle , and proper ventilation when using the cooking appliance(s) will avoid dangers of asphyxiation. It is especially important that cooking appliances not be used for comfort heating as the danger of asphyxiation is greater when the appliance is used for long periods of time. A warning label has been located near the LP gas container. This label reads. '''Do not fill container(s) to more than 80 percent of capacity.''' Overfilling the LP gas container can result in uncontrolled gas flow which can cause fire or explosion. A properly filled container will contain approx - imately 80 percent of its volume as liquid LP gas.
Warning Portable fuel-burning equipment, including wood and charcoal grills and stoves, shall not be used inside the recreational vehicle. The use of this equipment inside the recreational vehicle may cause fires or asphyxiation.
Warning Do not bring or store LP gas containers, gasoline or other flammable liquids inside the vehicle because a fire or explosion may result. The following label has been placed in the vehicle near the range area: If You Smell Gas:
#Extinguish any open flames , pilot lights and all smoking materials.
#Do not touch electrical switches.
#Shut off the gas supply at the tank valve(s) or gas supply connection.
#Open doors and other ventilat ing openings.
#Leave the area until odor clears
#Have the gas system checked and leakage source corrected before using again.
LP gas regulators must always be installed with the diaphragm vent facing downward. This will minimize any chances of vent blockage which could result in excessive gas pressure causing fire or explosion.
Warning Never check for leaks with an open flame. Do not check copper plumbing lines for leaks using ammoniated or chlorinated household-type detergents. These can cause cracks to form on the line and brass fittings. If the leak cannot be located, take the unit to your Wanderlodge -ID dealer or LPG supplier .
<br />
<br />
===Regulator Replacement - (USER UPDATE: ''not from original manual'')===
[[File:LPG Regulator for 1989 WB 40.jpg|thumb|'''Photo A:''' Green arrows show area between stage 1 and stage 2 that was leaking. ]]
[[File:Fisher Propane Integral Two Stage Regulator R232A-BBFXA 1-4 Inlet x 1-2 Outlet .jpg|thumb|'''Photo B:''' Two stage LPG replacement regulator for a 1989 WB 40.]]
In 2019, we noticed a strong gas smell outside our 1989 WB 40 near the LP bay. Luckily, I was able to quickly locate the leak with some soapy water in a spray bottle. The leak was coming from a rubber gasket between first and second stage of the regulator ''(See Picture A)''. The regulators that Blue Bird originally installed are obsolete, so I replaced mine with a '''FISHER''' '''R232A-BBFXA 1/4 INLET 1/2 OUTLET''' ''(see picture B)'' '''t'''hat I found on eBay. Keep in mind that the life span of the diaphram in these regulators is around 20 years on the high pressure side, so if your coach is getting up there in age, you'll want to have a spare regulator onboard.
Make sure your replacement regulator is a TWO Stage that is able to handle tank pressure, since it can be as high as 235 PSI on a hot day traveling down the road.
The second stage regulator is made to have a high pressure regulator installed before it and the correct output of the second stage is 11-14 inch water column (~0.4 PSI). Initially I was confused, since all the regulators look very similar to each other. Always check the tag on the regulator that you are going to install for proper information. In my case, the trailing letters '''FXA''' were important because they indicated the direction of the vent. By code, vents are supposed to be pointing down when the regulator is installed.
==Air Brake Systems==
==Air Brake Systems==
===Introduction===
Your motorhome is equipped with dual service air brake systems for front, rear and tag axle brakes , with integral fail/safe operation; and manual/automatic rear spring (parking) brakes. As shown in the air brakes system diagram in Section X, the service brakes are completely independent systems, each including a reservoir and separate distribution lines and valves. A separate reservoir is also supplied for the rear spring brakes , which function independently of the service brakes. All three reservoirs are pressurized from a single compressor. Both service brake systems are brought into operation each time the brake treadle is depressed to slow or stop the coach. Reservoir pressure for each service brake system is monitored by a respective pressure gauge on the front panel ; system failure(s) are indicated by low pressure readings , illumination of the Low Air failure lamp and sounding of buzzer (item 10, figure 2-3).
===Operation===
When the coach is parked, and the engine off, the rear spring brakes will normally be set by operating the parking brake. The spring brakes cannot be fully released until the air pressure is above 65 psi. These brakes are in the released position when the control is pushed in. In the event that there is a loss of air pressure , the spring brakes will set automatically , at the brake-applied position, and will not release until the air reserve has again built up to required value. Consequently , there will be a normal delay, after the coach is first started , before the compressor builds up sufficient pressure in the three reservoir tanks , before the brakes can be released and the coach driven. When the brake treadle is depressed , to slow or stop the coach, reservoir air is applied simultaneously to both front and rear service brakes to effect the braking action. The spring brakes are held in a released position by the air pressure supplied from the associated reservoir tank.
'''Caution Do not attempt to drive the coach until system pressure is above 90 psi.'''
===Brake Failures===
To compensate for normal lining wear, each brake system is individually self-adjusting. Brake system failures are protected against by a combination of fail/safe features. Each service braking system , front and rear, has a backup capability in the form of the rear spring brakes in the event of partial or total system failures. If the front brakes fail , operating the brake treadle activates both the rear service brakes and the rear spring brakes, providing sufficient braking action to effectively stop the coach. Under these conditions , the spring brakes do not lock in, as in a normal released position, but instead their application is "modulated " in the same manner as the service brakes, thereby providing a normal braking "feel". If a failure occurs in the rear, the front service brakes and rear spring brakes provide braking action. In the unlikely event of a failure where both service braking systems are disabled , the rear spring brakes will apply automatically and bring the vehicle to a stop. As a safety factor, the coach should not be moved until any type of brake failures are corrected.
'''Note:''' With the front brake system service reservoir fully charged, enough air pressure is available to provide for four full releases of the rear spring brakes. This will allow the coach to be brought to a safe position until repairs can be accomplished.
===Additional Air-Operated Equipment===
Besides providing the compressed air supply for the coach braking systems , the compressor also provides the air supply for the entry step, side-slide mechanism on driver's and co-pilot's seats, front air vents , stepwell cover plate, tag axle and air suspension system (air bags) - all via separately controlled solenoid switches operated from the dash , or at other locations throughout the coach. (This compressed air source is furnished from the front right side reservoir.) A compressed air outlet fitting and air gun is contained in the center storage compartment on the left side of the coach , convenient for blowing out the water system, inflating tires, and so on. A Schrader valve (air connection} is available in the engine compartment to allow the air system to be pressurized from a "shop" source without the necessity of starting the engine.
===Compressed Air System Air Dryer===
The air dryer unit collects and removes moisture and contaminants from the compressor air output before the air reaches the reservoirs . This unit is different from a reservoir drain or an after-cooler in that it provides dry air for the brake system by eliminating the possible accumulation of condensate in the system reservoirs. Note that each reservoir also has a drain cock on the bottom for draining accumulated moisture. This assure s a long maintenance-free life for air brake system components due to the removal of system contaminants. The air dryer is located between the compressor discharge (output) line and the compressed air reservoirs . A safety valve mounted in the air dryer housing assembly protects against excessive pressure buildup. The desiccant cartridge and pleated paper oil filters are easily removable and replaceable as a complete serviceable unit. The desiccant "beads" which provide the drying action have a large capacity for absorption due to their combined surface area. In addition, an internal thermostatically-controlled heating element prevents freeze-ups on the purge drain valve when the unit is used during sub-freezing temperatures. Purging of the dryer is automatic , exhausting combined oil and water residue to the atmosphere. At the same time that the contaminants are purged the reverse air flow across the desiccant material removes the accumulated moisture and reactivates the desiccant. Cartridge replacement should be accomplished at 3 years or 300,000 miles; sooner , if the cartridge has become contaminated .
==Maintenance Data==
This section provides general information for use in performing scheduled services as well as preventive and routine maintenance on your Wanderlodge.
'''Caution''' Cooling fan is driven by hydraulic pressure. Flow is controlled electrically by a thermostat which senses engine coolant temperature. Any time the engine is running the fan may engage and start without warning. Also on hydraulically driven fans, the fan may start and run for several seconds when the engine is shut off or if electrical power is interrupted. Shut off engine and wait for fan to stop before servicing. When inspecting or servicing engine or other components in engine compartment the engine control switch must be placed in OFF or REAR position to prevent starting of the engine from the driver's area.
===Engine and Chassis Specifications===
{| class="wikitable"
!Description
!Spec.
|-
|
===Specifications===
|
|-
|Engine Detroit Diesel 8v92TAC
|475HP, 450HP (Calif.)
|-
|Transmission
|Allison HTB741/4 Speed
|-
|Chassis GVWR
|45,200 lb. max
|-
|Front Axle
|14,600 lb
|-
|Rear Axle
|23,000 lb.
|-
|Tag Axle
|10,000 lb.
|-
|Wheelbase
|247"
|-
|Air Brake System
|
|-
|Front Axle
|Self-adjusting 16.5" x 5" brakes
|-
|Rear & Tag Axles
|Self-adjusting 16.5" x 7" brakes
|-
|Air Reservoirs
|Four Air Tanks 6,520 cu. in.
|-
|Retarder
|Akkusib Transmission Brake/Retarder
|-
|Wheels & Tires (8)
|Aluminum rim, 11R22.5 16 PR tubeless steel-belted radial
|-
|Tire Inflation
|<See information plate inside generator battery door>
|-
|Axle Ratio
|3.42:1
|-
|Belts
|
{| class="wikitable"
|+
!
!Dayco Auto Belt
!Gates Auto Belt
!Napa Auto Belt
!Auto Cross Reference Belt
|-
|Lower Alternator
|15290
|7290
|[https://www.napaonline.com/en/p/NBH257290?impressionRank=1 25-7290]
|[https://www.vbeltsupply.com/15290-1.html 15290]
|-
|Upper Altenator
|15425
|7425
|[https://www.napaonline.com/en/p/NBH257425?impressionRank=1 25-7425]
|[https://www.vbeltsupply.com/15425-1.html 15425]
|-
|Air Conditioner
|17360
|9360
|[https://www.napaonline.com/en/p/NBH259360?impressionRank=1 25-9360]
|[https://www.vbeltsupply.com/17360-1.html 17360]
|}
|-
|Alternator
|WL P/N 3740115- Dayco 42-1017 (2)
|-
|A/C Compressor (Set)
|WL P/N 0921908 (1)
|-
|Leveling Jacks (Hydraulic)
|
|-
|Front (each)
|32,000 lb. rating
|-
|Rear (each)
|48,000 lb. rating
|-
|Trailer Hitch Ball Nut
|Torque 200 ft.-lb.
|}
===Engine /Chassis Capacities===
{| class="wikitable"
|Diesel Fuel Tank
|300 gallons
|-
|Fuel Additive
|US Borax Biobor JF Fuel Additive - use 2.8 fl. oz. per 100 gallons
|-
|Lubrication System
|Crankcase Capacity
Dry . . . . . . . . . . 6V92-2 3 qts.; 8V92 25-qts.
Refill . . . . . . . . . 6V92-21 qts.; 8V92 23-qts.
|-
|Cooling System
|Specification: Low Silicate Ethylene Glycol Base Antifreeze
(Formulation standard GM 6038-M)
Capacity: ~117 qts.-8V92 with cockpit and living area heaters
|-
|Engine Oil Specifications
|API: CC/SE, CC/SF, CD/SC, CD/SE, or CD/SF
30 degrees to 100 degrees F: SAE 40 , SAE 30
Below 30 degrees F: SAE 40, SAE 30, or 15W-40
|-
|Frequency of oil change
|Every Year or 20,000 miles
|-
|Oil Filter
|WL P/N 3734209 (AC PF911 or FLEETGUARD LF 3333)
Change filter every oil change
|-
|Power Steering and
Hydraulic Engine Cooling Fan
|Specification: 10W-30 Motor Oil
Capacity: 20 quarts
Filter Element: WL P/N 2122026 (Parker 925835)
|-
|Reservoir Element
|WL P/N 2137065 (3 req'd)
|-
|Frequency of Filter Change
|Every Oil Change
|-
|Leveling Jacks
|Spec: Dexron II
Capacity: 20 quarts
|-
|Transmission
|Spec: Dexron, Dexron II
Capacity: 19 quarts MTB 654 and 33 quarts HTB 748 including filter and cooler
|}
===Gradeability (Hill Climbing)===
{| class="wikitable"
!
!45,200
GVWR %
!55,200 GVWR +
Max Towing Wt %
!Speed MPH
|-
|1st
|17.7
|14.4
|15.3
|-
|2nd
|7.5
|6.1
|35.8
|-
|3rd
|4.4
|3.5
|52.4
|-
|4th
|1.9
|1.4
|73.1
|}
===Generator Capacities and Specifications===
{| class="wikitable"
|Electrical Rating
|12.5KW at 120 Vac
|-
|Fuel Supply
|Diesel, separate pickup in main tank
|-
|Fuel Filter Racor element
|WL P/N 3737673
|-
|Cooling System
|Water-cooled 16 quarts
|-
|Crankcase Capacity
|6.1 quarts
|-
|Oil Filter
|WL PIN 3831328
|-
|Oil Specifications for Generator
|API Classification . . . . . . . . . . . . . . . . . . . CD
Below 50°F. . . . . . . . . . . . . . SAE 1 0W-20W
50°-68 °F. . . . . . . . . . . . . . . . . . . . 20W or 20
68°-95 °F. . . . . . . . . . . . . . . . . . . . . 30 or 40
Over 95°F. . . . . . . . . . . . . . . . . . . . . . . . . 50
|-
|Battery
|12 volts 90AH
|-
|Air Filter Element
|WL P/N 3779055 (Donaldson P10-2745 or P12-3065 )
|}
===Motorhome Capacities and Specifications===
{| class="wikitable"
|Potable Water Tanks*
|116 gallons
|-
|Holding Tank, Gray Water
|100 gallons
|-
|Holding Tank, Waste
|100 gallons
|-
|LPG Tank
|148 lbs.-net (43.5 gallons)
|-
|Water Pump
|3.5 GPM
|-
|Water Heater
|10 gallons
|-
|Batteries
|Six 6-volt batteries , series-parallel
connected to supply 12v at 660AH
|-
|Battery Chargers
|30-80 amperes output each
|-
|Air Conditioners**
|Automotive: 18,000 BTU
Roof (3): 13,500 BTU ea.
|-
|Hot Water Circulating Heaters
|Living Room (3): 50,000 BTU ea.
Bathroom: 15,000 BTU
Driver's Area: 90,000 BTU
|-
|Gas/Hot Air Heaters ***
|Living Room: 32,000 BTU
Bathroom: 15,000BTU
|-
|Electric Heaters
|120 volt (4) 1500 watts ea.
|}
<nowiki>*</nowiki> 83 Gallons with cross-bed option (96 w/Queen)
<nowiki>**</nowiki>NEMA Rating
<nowiki>***</nowiki>SBBMA Rating
<br />
<br />
==Maintenance Data==
===Maintenance Schedule Summary===
{| class="wikitable"
!Item
!Frequency
!Type of Service
!Specification
|-
|Transmission
|At normal oil change intervals
|Replace transmission tilter WL P/N 0998542 ,
(AC PF-897) MTB654 WL P/N 3831302 ,
(AC HD-223) HTB 741
|in cooler return line
|-
|
|25,000 miles , or 12 months , whichever occurs first
|Replace transmission fluid (Dexron or Dexron II)
Replace transmission internal tilter WL PIN 3827540 (Kit DOA P/N 23019201) with MTB654 only
|See Section X Diagram,
Lubrication Guide for service of other
Engine/Chassis components
|-
|Batteries
|Every 500 to 1,000 miles
|Replenish cells with distilled water to %-inch above plates. Coat Battery terminals with lubricant
|
|-
|Air Cleaner
|10,000 to 15,000 miles
|Replace when air cleaner indicator shows red after run at 2,000 R.P.M.
Sometimes will show red after high power run (normal): Reset WL P/N 3734191 , (Donaldson P12-9396)
|
|-
|Fuel Filters
|10,000 to 15,000 miles
|Replace as required Secondary Filter WL P/N 3734175 (Fleetrite FFR8206)
Racor Filter and Water Separator Change when vacuum (RACOR) gauge goes into red.
Element WL P/N 3831310 (Racor 2020SM) Gasket (large) WL P/N 3747359(Racor11007)
Gasket (T-handle) WL P/N 3747342(Racor11350)
|Experience may indicate interval revisions.
|-
|Air Brake System
|
|
|
|-
|Reservoir Tanks
|Daily or depending on usage (not necessary with air dryer)
|Drain each reservoir tank of moisture by opening petcock at bottom of tank
|
|-
|Air Compressor Air Dryer
|23,000 miles , or every 3 months, or every 900 hours.
Refer to Bendix Air Dryer Manual.
|Check/replace air dryer cartridge WL P/N 2107753 (Bendix 287313)
|
|-
|Air Suspension System
|1,000 - 3,000 miles, or every month
|Check air springs for even inflation
Check for tightness of nuts , bolts , air connections
Check shock absorbers for oil leakage , worn bushings - No lubrication is required
|
|-
|
|
|
|
|}
===12-Volt Lighting Equipment and Fuses, Current Usage===
{| class="wikitable"
!Item
!Specification
(Qty)/Amperes
|-
|Automotive Lighting Marker/Clearance / Identification , bulb # 1895
|(16)/4.5
|-
|Stoplights , bulb upper & lower # 1157
|(4)/8.4
|-
|Parking Lights bulb# 1157 & # 194 (front inside)
|w/tag (9)/4.5
|-
|Turn Signal Lights bulb# 1157
|(2)/4.2
|-
|Cornering Lights , bulb# 1156
Side Turn Lights , 2/side , 2 # 1895 bulbs/light Indicator Light WL PIN 2271955
Relay-rear lights , WL P/N 1077718 , located at upper front load center
|14A. ea
|-
|Hazard warning
|(6)/12.6
|-
|Tag Light, bulb #168
|(1 )/.35
|-
|Headlights and Taillights (with park & tag) G.E. Halogen Sealed Beam Units 1A1 &2A1
Hi-beam operation
Low-beam operation
|(13)/13. 7
(11 )/9.9
|-
|Driving Lights , bulb WLP /N2143477
|(2)/15.6
|-
|Instrument Panel- Electroluminescent (inverters)
|(3)/1.0
|-
|Instrument PanelGauges , bulb # 53
|(14)/1.7
|-
|Spot Lights , bulb W/L PIN 2103760
|(2)/13.6
|-
|Stepwell outside , bulb # 53
|(1 )/.12
|-
|Stepwell inside, bulb # 67
|(1 )/.55
|-
|Landing Lights , bulb assy. W/L PIN 2261626
|(4)/27.2
|-
|Backup Lights , bulb # 1156
|(2)/3.8
|-
|Rear Parking Halogen
|(2)/13.4
|-
|Engine Compartment Lights bulb # 67
|(2)/13.4
|-
|Luggage Compartment Lights bulb # 1416
|BA. ea.
|-
|Porch light , bulb # F8T5/CW
|(2)/2.2
|-
|Interior Lighting
Reading Spots , bulb # 1383
Front Living, Flush . bulb# F15T8/CW
Aisle , (night) bulb #53
Bathroom Mirror bulb # F8T5/CW
Bathroom , Flush, bulb# F15T8/CW
Shower , bulb # 1141
Dinette , Flush, bulb # F15T8/CW
Kitchen, Flush, bulb# F15T8/CW
Bedroom Island bed, bulbs F72T12/CW & F96T1 2/CW
Ceiling , Flush, bulb # F15T8/CW
Vent Fans, bulb # 912 (i1 1.0A.
Refrigerator W/L P/N 3783917 Dometic 200-7290 -00/6
|(15)/1.54 ea.
(8)/14.0
(3)/.36
(2)/2.2
(2)/3.5
(1)/1.5
(2)/3.5
(2)/3.5
(2)/6.3
(3)/5.3
(4)/4/Vent
(1 )/.8
|-
|Windshield Wipers
|
|-
|Water Pump
|
|-
|Blower Motors
Front Heater (Hi/Lo) Right
Defroster (Hi/Lo)
Foot Warmer (Hi/Lo) Left
Chassis Heater (Hi/Lo)
LPG Furnace
Portable Fan
Duct Booster
Ceiling Vent (round)
Vent Fan (square)
|(1)9.0/4.5
(1)/9.0/4.5
(1)/9.0/4.5
(3)/9.0/4.5 ea.
(3)/9.0
(1)/1 .0
(1)/1.0
(1)/4.0
(4)/8.8
|-
|Stereo System
|(1 )/15
|-
|Motor Generator
|
|}
===Changing Wheels/Tires===
The wheel/tire assemblies used on your motorhome are heavy-duty truck-type. They are heavy and may be difficult to handle. If at all possible , changes should be accomplished by a service station equipped to handle truck equipment . However , if a situation arises where no service facilities are available , the following procedures may be used .
[[File:1989 WB40 - Figure 8-1.png|right|frameless|320x320px]]
====Front Axle Wheels====
#Drive motorhome out of traffic lane onto a level surface capable of supporting jack.
#Turn on hazard flasher and apply parking brakes before leaving coach.
#Turn off ignition and set transmission selector to Neutral (N) position .
#Remove white plastic wheel saver , jack , lug wrench and handles from road side storage compartment.
#Place wheel chocks against front & rear of tires on opposite side.
#Place jack under axle and raise slightly until securely in place. See figure 8-1 for location of typical jacking point.
#Remove spare wheel assembly from mounting and place on ground near work area.
#Pull off lug nut covers.
#Install wheel saver. '''Note''' It is recommended that the wheel saver be used when loosening or torquing lug nuts.
#Loosen lug nuts slightly, then jack up coach until tire is clear of ground. '''Caution''' Severe injury or death may result. DO NOT use the leveling system for changing tires or working under the vehicle. Keep the rear wheels in firm contact with the ground with the parking brake set. With the leveling jacks extended, there is a possibility the vehicle may move either toward the front or the rear. '''Note''' Lug nuts on right side of coach are righthand threaded (turn counterclockwise to loosen, clockwise to tighten); lug nuts on driver's side of coach are lefthand threaded (turn clockwise to loosen, counterclockwise to tighten).
#Remove lug nuts and wheel assembly.
#[[File:1989 WB 40 Figure 8-2 .png|right|frameless]]Install spare and replace lug nuts . Tighten progressively in the sequence shown in figure 8-2 starting with # 1 and proceeding to # 10. Final torque will be 450 to 500 foot-pounds.
#Snap front hub cover into front wheel opening after front lug nuts have been properly torqued.
#Place lug nut covers on all lug nuts. Make certain that these nut covers fit snugly. This is accomplished by squeezing the dimpled sides together before installing.
#Lower coach to ground and remove jack and handle.
#Replace wheel saver , lug wrench , jack and handles in storage compartment and tie down to prevent road noise . Return damaged wheel /tire assembly to holder and have it repaired as soon as possible.
#Remove and stow wheel chocks.
#Turn off hazard flasher before returning to traffic.
====Drive Axle Dual Wheels====
#Repeat steps 1 through 10, front axle wheels .
#Loosen inner lug nuts (studs with square heads) , if inner wheel is to be replaced .
#Remove outer lug nuts from the (5) studs which have lock rings and slide hub cover over remaining lug nuts .
#Remove the (5) remaining lug nuts and wheel.
#Remove inner lug nuts and inner wheel , if inner wheel is to be replaced .
#Install replacement wheel and inner lug nuts. Tighten progressively in the sequence shown in figure 8-2 starting with # 1 and proceeding to # 10. Final torque should be between 450 and 500 foot pounds .
#Install outer wheel (or replacement wheel) and lug nuts over inner lug nuts marked 1, 3, 7, 9 and 6. Torque nuts in the following sequence 1, 7, 6, 3 and 9 to between 45 and 500 foot pounds.
#Install hub cover over the (5) lug nuts holding wheel to hub. Place lock rings and lug nuts on remaining inner lug nuts 10, 5, 2, 4 and 8.
#Replace wheel saver.
#Torque nuts in the following sequence 10, 2, 8, 5 and 4 to between 450 and 500 foot pounds.
#Return to step 14 of Front Axle Wheels and continue .
'''Note''' When checking torque on dual wheels loosen all outside lug nuts. Check torque on inner lug nuts (studs with square heads) for torque value shown above then torque outer lug nuts to value shown above.
===Specifications and Data===
====Tag Axle Wheels====
#Repeat steps 1 through 10, front axle wheels.
#Remove lug nuts from the (5) studs which have lock rings and slide hub cover over remaining lug nuts.
#Remove the (5) remaining lug nuts and wheel.
#Install replacement wheel and lug nuts on studs marked 1, 3, 7, 9 and 6. Torque nuts in the following sequence 1, 7, 6, 3 and 9 to between 450 and 500 foot pound.
#Install hub cover over the (5) lug nuts holding wheel to hub. Place lock rings and lug nuts on remaining studs 10, 5, 2, 4 and 8.
#Replace wheel saver .
#Torque nuts in the following sequence 10, 2, 8, 5 and 4 to between 450 and 500 pounds.
#Return to step 14 of Front Axle Wheels and continue .
'''Caution''' Check lug nuts for tightness every 1,000 miles. Lug nuts should be torqued to 450 to 500 foot-pounds.
<br />
===Battery Maintenance===
===Battery Maintenance===
Your motorhome is equipped with six 6-volt batteries, connected in a series-parallel arrangement to provide 12 volts for engine and motorhome use. This arrangement makes available 660 AH (20 hour rate). Batteries are located in the rear engine compartment on the curb side, as shown in figure 4-2. A separate 12-volt battery is contained in the road side front compartment and is used only to start the generator. All batteries are charged from either the engine alternator or battery chargers (when 120 volts ac is available). Note that the 12.5kw generator will supply 120 volt cJ.C to the battery chargers.
'''Periodic Battery Checks and Maintenance'''
Periodically check electrolyte level in the six 6 volt batteries. Odorless drinking water may be used to raise the level of the electrolyte. Before charging, batteries must be filled only sufficiently to cover the plates. After batteries are fully charged , the maximum should be no higher than it takes for the electrolyte to form a "fisheye" at the bottom of the fill well. The generator battery is sealed so it is not necessary to check the level of the electrolyte. Battery condition depends on battery usage and proper utilization of the battery chargers.
'''''Caution''' Avoid sparking of any form in the vicinity of the batteries, especially while caps are off.''
'''''Caution''' Do not wear metal rings , watches or jewelry when working on or near the batteries, cables, solenoids , or chassis wiring. These can short out electrical wiring and cause injury''
To make sure that the batteries are always ready for use, periodically check and charge as necessary . Check batteries at least every two weeks in freezing weather; at least every four weeks in warmer weather. A fully-charged battery will not freeze under normal circumstances , so it is imperative that the batteries remain charged during winter. A safe level of charge is a specif ic gravity reading of 1 .225 to 1 .280. Alway s use a battery hydrometer which has a temperature correction scale. It is advisable to have the coach shoreline connected to the 120 volt ac supply so that the batteries rema in fully charged. A dirty battery may eventually dissipate its charge through conductive surface contamination . Clean battery top surface with a damp cloth and dry thoroughly. Check that battery terminals and associated battery jumer terminals are tight and free of corrosion. To clean terminals, neutralize corrosive deposits with a solution of baking soda, rinse with clear water , and dry. Note that commercial type spray-on battery cleaners are available at automotive supply stores. Use as directed to keep the batteries clean. Spray-on cable and terminal protective coatings are also available, easy to use, and effective.
{| class="wikitable sortable"
|+
Replacement Battery Comparisons
!Part Number
!BCI Group
!Type
!Manufacturer
!Volts
!Amp Hours
@ 20-hr
!Capacity Mins
@ 25 Amps
!Dimensions
L x W x H (inches)
!Weight
(lbs.)
!Qty Needed
To Match Orig
|-
|SLIGC125
|GC2
|Flood
|Duracell
|6
|235
|448
|10.25 x 7.15 x 10.88
|68
|6
|-
|T-105 RE
|GC2H
|Flood
|Trojan
|6
|225
|447
|10.30 x 7.11 x 11.67
|67
|6
|-
|L16-AGM
|903
|AGM
|Trojan
|6
|370
|817
|11.66 x 6.94 x 16.41
|114
|4 - 6
|-
|SLI6V370S
|903
|Flood
|Duracell
|6
|370
|
|11.75 x 7.00 x 16.50
|113
|4 - 6
|-
|GPL-L16T
|903
|AGM
|Lifeline
|6
|400
|950
|11.64 x 6.95 x 15.73
|119
|4 - 6
|-
|SRM-4D
|4DM
|Flood
|Interstate Batteries
|12
|195
|390
|21.00 x 8.15 x 9.63
|117
|4 - 6
|-
|GPL-30HT
|30
|AGM
|Lifeline
|12
|150
|315
|13.46 x 6.77 x 11.95
|96
|5
|-
|GPL-27T
|27
|AGM
|Lifeline
|12
|100
|186
|12.03 x 6.60 x 9.47
|62
|6
|-
|T-145
|GC2H
|Flood
|Trojan
|6
|260
|530
|10.30 x 7.13 x 11.91
|72
|6
|-
|SLIGC115
|GC2
|Flood
|Duracell
|6
|230
|448
|10.25 x 7.13 x 10.88
|64
|6
|}
<br />
===Exterior Care===
===Exterior Care===
Exterior paint finish life can be extended by periodic cleaning and waxing. This will preserve the paint and allow easier removal of dirt and road tars. Use touch-up paint for small areas to keep the coach finish in like-new condition.
'''''Caution''' Avoid the use of strong detergents, such as those used in commercial truck washes. These detergents can discolor the aluminum trim on your coach .''
Frequent washing of the coach is necessary to prevent corrosion in areas where heavy salt sprays are evident. A clear acrylic spray may be used, with care, to control corrosive effects of salt spray on metal surfaces.
'''''Caution''' Avoid spraying water through the refrigerator vent door.''
===Interior Care===
The interior can be kept in good condit ion with the use of approved cleaning agen ts for vinyl walls and ceilings , plastic fixtures , stainless stee l, formica and so on. Never use abrasive cleaning agents on interior of refrigerators , or on the lavatory, tub/shower , or toilet , as they can cause permanent scratches. Be sure that the cleaning agent will not damage the material. Note that some plastics are incompat ible with certain cleaners . Read the directions on the container before using . For the most part, the cleaners and polishes that would normally be used in your home are equally wellsuited for use in your motorhome .
===Fluid Level Checks===
[[File:1989 WB40 Manual - Figure 8-3.png|right|frameless|333x333px]]
====Crankcase Oil Level====
The crankcase oil dipstick is shown in figure 8-3. The oil level must be checked only with the engine off. Maintain oil level at the proper fill line. If checking oil level immediately after engine has been operating , allow a few minutes for the oil to drain back into the crankcase before checking the oil level reading . The best time to check the oil is before getting underway because the engine is cool and the reading will be most accurate.
====Power Steering and Hydraulic Cooling Fan Reservoir Fluid Level====
Regularly check fluid level in the power steering and hydraulic cooling fan reservoir , figure 8-3 , at each fuel stop. Add only 1 OW-30 motor oil as necessary to maintain the correct dipstick reading , depending on fluid/engine temperature. (Note that dipstick is attached to the bolt on top of the reservoir). If the fluid is at normal operating temperature - about 150 degrees , and hot to touch - the dipstick should indicate 1 /2 to 3/4 full. If engine is cool, fluid level should read about 1 /2 full.
'''''Caution''' The hydraulic fluid used in this unit is 1 OW-30 Motor Oil. Do not use conventional power steering fluid or the pump may be damaged.''
====Transmission Fluid Level====
The transmission dipstick is shown in figure 8-3. Importance of Proper Oil Level Since the transmission oil cools , lubricates , and transmits power, it is important that the proper oil level be maintained at all times . If it is too low, the converter and clutches will not receive an adequate supply of oil. This can result in poor performance or transmission failure. If the level is too high, the oil will aerate , causing the transmission to overheat. Check the oil level at intervals specified in your vehicle service instructions, or more frequently , if operating conditions indicate.
====Oil Check Procedure====
Always clean around the end of the fill tube before removing the dipstick. Dirt or foreign matter must not be permitted to enter the oil system. It can cause valves to stick , cause undue wear of transmission parts , or clog passages. Check the oil level by one of the following procedures and report any abnormal oil level to your maintenance personnel. Check for abnormal oil level, milky appearance or any trace of coolant in the oil.
=====Hot Check=====
#Operate the transmission in a drive range until operating temperature (160-200 °F; 71-93°C) is reached. '''Note''' The oil must be hot to ensure an accurate check. The oil level rises as temperature increases .
#Shift through all drive ranges to fill the clutches and oil passages .
#Park the vehicle on a level spot , shift to neutral N and apply the parking brake. Let the engine run at idle speed.
#Wipe the dipstick clean and check the oil level. The safe operating level is any level within the Hot Run band on the dipstick.
#If not within this range, add or drain oil as necessary to bring the level to the middle of the Hot Run band.
=====Cold Check=====
#A cold check may be made when the sump temperature is 60-120 °F ( 15-40°C).
#Run the engine for at least one minute to clear the oil system of air.
#With the engine running at idle, wipe the dipstick clean and check the oil level. Any level within the Cold Run band is safe for operating the vehicle. If the level is at or below the bottom of the Cold Run band, add oil until it reaches the middle of the Cold Run band.
#Operate the vehicle and make a hot oil check when operating temperature is reached (160- 2000F; 71-93°C).
===Racor Fuel Filter and Water Separator System===
====Filter/Separator Operation====
[[File:1989 WB 40 Manual Figure 8-4.png|right|frameless]]
The three stages of the Racor filter/separator, figure 8-4, work in series to progressively clean the diesel fuel. Because virtually all water and larger particles of solid contamination are removed in the primary and secondary stages, the effective life of the fine micron replaceable element is 2-3 times longer than standard filters.
'''Primary Stage (Separation)''' - In the primary stage. liquid and solid contamination down to 30 microns are separated out by centrifugal action created by the turbine centrifuge. There are no moving parts in this highly efficient design. Because the contamination is heavier than the fuel it falls to the bottom of the clear bowl.
'''Secondary Stage (Coalescing)''' - This stage functions when minute particles of liquid contaminants (lighter than the fuel) remain in suspension and flow up with the fuel into the lower part of the filter/separator shell. Here the minute particles tend to bead on the inner wall of the shell and the bottom of the replaceable cartridge . As the beads accumulate , they become larger and heavier and will eventually fall to the bottom of the filter/ separator bowl.
'''Final Stage (Filtration)''' - In this stage the fuel enters the replaceable cartridge where the minute solids are removed.
'''In-Filter Fuel Heater''' - Internal automatic thermostats turn on the Racor in-filter fuel heater as the fuel temperature drops below 35°F. (1.7°C.) The in-filter fuel heater operates from the 12-volt battery source, supplying heat to the fuel filter just below the replaceable element. This critical placement provides increased fuel temperature as the fuel passes through the fine micron filtering element.
When the engine is not running and the temperature is below 35°F., the heater is operated by turning on the ignition switch for a maximum of 10 minutes prior to starting the engine. With the diesel fuel temperature above 35°F, _there is no waxing or icing of the filter element. The in-filter heater is primarily a cold starting aid. Note that the top two terminals imbedded in the glass filter bowl connect to the internal heater.
====Water-In-Filter Alarm====
The electronic water sensor alerts the operator when liquid contaminants filtered out of the system should be drained from the collector bowl, thereby maintaining maximum filter/separator efficiency. When water reaches a pre-determined level in the collector bowl, sensing probes activate the '''Water-In-Filter''' alarm circuit. The light illuminates, warning the operator to drain excessive water contamination collected in the bowl. Shut down engine before draining the bowl to avoid sucking air into the system. Note that the bottom two terminals imbedded in the bowl connect to the water sensors.
====Maintenance====
'''Filter Element''' - Routine maintenance of the Racor unit consists of periodic filter replacement and drainage of the moisture collected at the bottom of the bowl. (Engine is off durng maintenance.)
'''Filter Element Replacemen'''t - Replace the element as follows:
#Loosen handle and remove lid.
#Inspect lid gaskets and replace, if necessary .
#Remove filter element by grasping bale and lifting upward while rotating.
#Replace Racor element by positioning over center return tube and twisting downward into place.
#Top off by pouring clean diesel fuel into filter cylinder until full.
#Replace lid and hand-tighten handle.
'''Draining''' - Drain . bowl of accumulated moisture by opening petcock on bottom of bowl. Allow to flow until clean fuel appears.
===Hydraulic Cooling Fan===
The hydraulic cooling fan is thermostatically controlled to maintain engine temperature at approximately 195 degrees F. The oil reservoir for the fan, figure 8-3, is the large canister located between the fan assembly and the engine. Add oil as indicated by dipstick markings. Note that this reservoir also supplies the power steering system as well.
'''''Note Use only engine oiI, SAE 10W-30'''''
Oil and filters should be changed every 6 months or 25,000 miles, whichever comes first. Check condition of oil frequently when engine is hot. Run engine to 2100 R.P.M.; if red light (located on rear switch panel) comes on change oil and filters. One filter is in Parker unit at left rear axle. The three stacked elements must be replaced in the reservoir.
===Leveling Jacks Reservoir===
[[File:1989 WB 40 Manual Figure 8-5.png|right|frameless]]
The leveling jacks oil fill is located beneath the center entry step, as shown in figure 8-5. Lift up the hinged portion of the step and remove the screws attaching the square metal cover plate to gain access to the oil fill to check oil level.
===Engine Air Filter Replacement===
Check the air filter condition indicator , figure 8-6, on a regular basis. Sometimes the red band will show after a high power run. This is a normal condition. Reset to green band and run engine at a maximum of 2000 rpm. Filter should be replaced if red band is shown.
[[File:1989 WB 40 Manual Figure 8-6.png|right|frameless]]
'''''Caution Do not operate the engine without the air filter in place or sensitive air metering systems may be damaged.'''''
===Engine Cooling System Refill===
Use of low silicate ethylene glycol base antifreeze (formulation standard GM 6038-M) is recommended for summer or winter operation because of it's corrosion inhibition and lubrication properties. A 50-50 solution of antifreeze and water is preferred and it gives freeze protection to about 30°F below zero. Ultimate protection is attained at 68% antifreeze (about 92°F below zero): a higher concentration of antifreeze should never be used. The approximate (dry) cooling system capacities for 6V92 engine are:
{| class="wikitable"
|+
!
!
|-
|Engine, Radiator, & Engine Hoses
|18.5 gallons
|-
|Right front heater system
|5 gallons
|-
|Rear coach heater system
|4 gallons
|-
|Total
|27.5 gallons (110 quarts)
|}
... so the system would require 14 gallons of antifreeze for a 50% solution or 19 gallons for a 68% mixture. The 8V92 engine has approximately a 117 quart capacity so similar calculations would show anti-freeze required. Final solution should always be tested with a thermo-hydrometer or equivalently reliable testing device to determine actual protection. If it becomes necessary to completely re-fill the chassis coolant system, the following procedure must be followed (see figure 10-1 ). Pure antifreeze can be used initially until prescribed amount has been installed, and then water for final filling.
#Fill the engine, radiator, and engine hoses. Locate and close the manual gate valves separating the engine from the heater systems. Pressure and return gate valves (four) are located at the engine . In addition , a pressure valve for the front heater is electric solenoid operated . Close the front heater electric solenoid valve by placing the FRONT HEAT switch in the pilot's control area to the OFF position. Remove the radiator surge tank cap and fill to the top. Replace cap and run engine @ 1500 to 1800 RPM for one minute to purge air from the engine water jacket. Shut off engine; carefully remove the radiator surge tank cap; re-fill and replace the cap. Note Use extreme care at all times when removing the radiator surge tank cap as hot coolant under pressure can cause injury.
#Fill the front heater and rear heater systems . An air bleeder valve for the front heater is located behind the right side front bumper. Leave the return line gate valves closed and open the pressure line valves for front and coach (chassis) heaters . Place the FRONT HEAT selector to the HEAT position and the HEAT SELECTOR switch to the WINTER position. Press the AUX . PUMP switch to WINTER .
Using suitable containers to catch coolant , open the bleeder valve at front heater and remove right side hose from return TEE (above the chassis serial number end of the identification plate) and run the engine at 1,800 RPM until a steady flow of coolant passes through the front bleeder valve and open hose at rear. The radiator must be refilled often during this time as coolant from the engine will be filling the heater lines. When steady flow is attained from the bleeder valve , close it and open return line gate valve (bottom valve at left rear of engine) allowing coolant to flow back into the engine. When a steady flow comes from the open hose , shut off engine , reconnect hose , and open return gate valve (just below TEE) . Refill radiator using coolant caught from bleeding operation and add water as necessary . Restart engine and run at 1800 RPM for at least two minutes to complete system purge. Test heater blowers to make sure heaters are filled with hot coolant. Allow engine and radiator to coo l. Remove cap and fill radiator surge tank to the top of sight glass. Replace cap - refill procedure is completed .
===Cooling System Additives===
Automotive cooling systems are subject to various types of corrosion, rust, pitting and cavitation-erosion. These are common factors which prevent efficient cooling and contribute to engine overheating and higher maintenance costs resulting from replacement of hoses, fittings , filters and cracked heads . The manufacturer of the engine used in your motorhome recommends the use of Nalcool 2000 - a chemically buffered liquid additive which effectively neutralizes the formation of acids caused by dissolved exhaust gases , and inhibits the cool ing system against corrosion and scale formation . This additive is compatible with most commercial automotive anti-freeze solutions containing ethylene glycol ; however , its use is not recommended in coo ling systems using Dow Therm 209. When refilling the coolant system , add seven pints of Nalcool before topping off with anti-freeze solution. To ensure constant system protection, replenish Nalcool 2000 additive , periodically , in accordance with manufacturer's instructions.
===Windshield Washers===
Check reservoir fluid level periodically and use a prepared washer solution if possible. (Note that low reservoir levels are indicated by a dash monitor light.) During freezing weather, use a solution additive , or a solution specifically designed for cold weather usage. The washer reservoir is accessible through the front road side storage compartment.
===Battery Jumper Terminals and Jump-Starting===
For your convenience and safety when jumpstarting, terminal posts are provided in the curb side of the engine compartment (open rear door). Proper procedure for jump-starting is as follows:
#Turn off all main battery-operated accessories in both vehicles - lights, radio , etc.
#Connect one end of the positive-coded jumper cable to the positive (red) battery jump er terminal, and the opposite end of the cable to the positive ( + )terminal on the other battery.
#Connect one end of the negative-coded jumper cable to the negative ( - ) terminal on the other battery and the opposite end of the cable to the negative (black) battery jumper terminal.
#Once the engine of the disabled vehicle is started and brought up to idle , reverse the above procedure to remove the jumper cables. Always remove the jumper cable connected to the Wanderlodge ~ negative (black) battery jumper terminal first to prevent sparks at the other battery.
'''''Caution Avoid sparks in the vicinity of a charging battery: the gas produced is explosive.'''''
===Generator===
Keep the generator operating at peak efficiency by following a regular schedule for inspections and servicing , based on operating hours. Keep an accurate logbook record of maintenance, service and hours of operation , following regular schedules for normal operating conditions , and a more frequent service schedule for operation under dusty or dirty conditions. Check condition of crankcase oil and change air filter frequently until the proper service 'time periods can be determined based on you r usage. After the first 15 to 30 hours of operation , arrange to have the following performed at an authorized service center.
*Drain and refill engine oil.
*Replace engine oil filter.
*Check external nuts and bolts for tightness.
*Torque cylinder head nuts.
*Check and adjust valve tappets .
*Check for fuel or lubricating oil leaks.
*Check radiator coolant level and inspect cooling system for leaks.
*Check and adjust water pump belt tension
*Check mounting tray bolts and vibro mounts for tightness.
*Operate generator set a full or rated load , checking for proper output and governor operation.
====Maintenance Schedules====
[[File:1989 WB 40 Manual Figure 8-7.png|right|frameless]]
Use the generator maintenance schedule in table 8-7 as a guide for routine and periodic maintenance. Neglecting generator maintenance can result in failures or permanent generator damage. Refer to the generator service manual for detailed repair and maintenance.
{| class="wikitable"
|+Generator Maintenance Schedule (Table 8.8)
!Frequency
!Service
|-
|Daily , or before each startup
| - Check oil level
- Check coolant level
- Clean radiator intake screen
|-
|Every 50 hours , or 3 months , whichever occurs first
| - Change lubrication oil
- Change oil filter
- Service air cleaner
- Check engine for oil, water , or fuel leakage
- Check belt tension
|-
|Every 200 hours , or 12 months, whichever occurs first
| - Check hoses and clamps
- Check and tighten electrical connections
- Check exhaust system for leakage
- Check and tighten mounting bolts
- Replace fuel filter element
- Check electrical system for frayed wires, corroded connections
|-
|Every 400 hours or 12 months
| - Contact authorized service center for tuneup to include:
- Injector inspection - Check and adjust valve tappets
- Clean sliprings and inspect brushes
- Check governor ope
|-
| colspan="2" |Periodically, perform a complete visual inspection of the generator when operating at full load.
|}
'''Caution''' The generator tray is electrically operated and extends outward with considerable force. To extend the tray, move around to the road side and operate the tray switch in the front compartment to out position. Be sure that there is sufficient clearance in front of the tray and that nobody is in the way! Use extreme caution when observing and operating generator with tray extended.
====Battery====
Check the condition of the generator battery periodically. See that battery connections are clean and secure. A light coating of nonconductive grease will prevent corrosion at terminals. Refer to Battery Maintenance procedures provided earlier in this section.
====Air Cleaner====
[[File:1989 WB 40 Manual Figure 8-8.png|right|frameless]]
Proper maintenance of the air cleaner, figure 8- 8, is extremely important. Allowing this vital element to become clogged with dirt restricts the flow of intake air into the engine. Operating with an over-rich fuel mixture caused by a poorly serviced or clogged air cleaner leads to formation of harmful carbon /sludge deposits. This air cleaner should be serviced every 100 hours or six months as follows:
#Loosen thumbscrew in Marman clamp while holding bowl.
#Remove bowl.
#Remove element thumbscrew and element.
#Wash bowl in non-flammable cleaner. Allow to air dry .
#Install new element & replace thumbscrew .
#Replace bowl and tighten Marman clamp thumbscrew. Be sure letters TOP are up.
If operating under extremely dusty conditions, use dry compressed air to blow out generator at frequ ent intervals . Do this with the generator set operating and direct the stream of compressed air in through the cooling louvres at the end of the generator.
====Oil Filters====
To ensure cleanliness of the lubricating oil. a sump strainer and a main full flow type of oil filter are used. The sump strainer consists of a gauze wire container which is fitted over the end of the lubricating oil pump suction pipe. All oil must pass through this strainer before it reaches the oil pump.
The main full flow type oil filter is mounted externally on the side of the cylinder block. All the oil passes through this filter after it leaves the pump, but before it reaches the bearings.
The full flow filter is a spinon cartridge in which the element is an integral part. Filter should be replaced at each oil change.
===='''Replacing Oil Filter Cartridge'''====
#Unscrew the cartridge from the adapter.
#Discard the old cartridge. Clean the filter adapter surface.
#Using clean engine lubricating oil, lightly oil the top seal of the new cartridge. Prime filter by partially filling with new oil.
#Screw the new cartridge until the seal just touches and then tighten by hand a further half of a turn. If the cartridge is overtightened, it may be difficult to remove later on.
#Since the filter cartridge will normally be changed at the same time as the engine lubricating oil, refill the sump with oil, run the engine and check for oil leaks. Recheck the oil level after running the engine and add oil as necessary.
====By-Pass Valve====
If the lubricating oil filter element becomes contaminated to the extent where the lubricating oil has difficulty in passing through the element , a pressure difference will build up between the inlet and outlet sides of the filter assembly. When this pressure exceeds 50 psi (approximately) , a ball valve opens in the filter headcasting and allows unfiltered oil to by-pass the filter element to protect the engine from oil starvation.
====Oil Check====
To be on the safe side, check oil in engine crankcase daily, or before each start, to ensure that the level is in the safe range between the upper and lower marks on the dipstick . Do not operate generator if level exceeds the upper mark, or is below the lower mark.
'''Caution''' Do not check oil level while engine is operating. Engine must be stopped to obtain a true reading, as well as for safety reasons!
====Oil Change====
Whenever possible , drain the oil while the engine is still warm. To drain , place a container below the unit, open the oil drain and allow sufficient time for the old oil to drain completely . After draining, close drain plug and tighten securely.
====Cooling System====
To avoid having the inconvenience of the generator shutting down due to overheating , or becoming damaged as a result of an overheat condition , be sure to keep the cooling air inlets to the compartment clean and unobstructed at all times. Cooling system capacity is about 16 quarts of liquid. When operating in climates subject to freezing temperatures , make sure that enough antifreeze solution is added to the coolant to prevent system freeze-up. (A drain petcock is provided on the underside of the radiator.) When draining the coolant , remove the radiator cap and open the block drain valve near the oil filler cap to prevent air pockets from forming and blocking water in passages in the block . Check coolant level frequently and add antifreeze mixture as needed to maintain surge tank 1 /2 full.
{| class="wikitable"
|+Table 8-9 Anti-Freeze Protection Chart
!Anti-Freeze Protects to:
!Mixture Proportions (ethylene glycol)
|-
| + 16 degrees F ( - 9 degrees C)
|20%
|-
| + 3 degrees F ( -16 degrees C)
|30%
|-
| - 11 degrees F ( - 24 degrees C)
|40%
|-
| - 31 degrees F ( - 35 degrees C)
|50%
|}
====Generator Troubleshooting====
Refer to the generator service manual for repair and maintenance data. Generator repairs should be accomplished by a qualified repair agency.
====Generator Overloads====
If the rated capacity of the generator is exceeded, the safeguard circuit breaker, located 0n the front of the controller box, will trip to protect the generator against damage . This condition could be caused by a short in the coach ac supply circuits, or by operating too many appliances simultaneously, resulting in an overload condition. If the safeguard circuit breaker trips , the generator will continue running but no ac output will be supplied. Before resetting the circuit breakers , turn off some of the coach appliances and lighting to reduce the load to within the operating limits of the generator. If this is done, and the generator breakers still trip, a short circuit is indicated. Turn off the generator , locate and correct the cause of the short circuit.
====Generator Battery Charging====
Generator battery charging current is supplied from either the engine alternator or the battery chargers (when ac power is available).
====Storage Procedures====
If the generator is to be out of service for a long period of time, perform the following procedures before placing the unit in storage:
#Drain oil from crankcase (while hot) then flush with clean lightweight oil. Refill crankcase with regular-weight oil after flushing
#Clean exterior surfaces of generator set then spread a light film of oil over any unpainted metallic surfaces which could corrode.
===Refrigerator===
To ensure that your refrigerator will provide trouble-free operation , the following routine maintenance procedures should be performed at least once each year.
#Inspect all gas connections for leakage, using a solution of soapy water. Tighten, as necessary.
#See owners installation and operating instruction manual for periodic maintenance requirements.
===Toilet===
No routine maintenance is required. If the bowl sealing blade fails to operate freely or does not close completely, clean foreign material out of sealing groove with stiff bristle brush. To clean the toilet, use a high-grade, non-abrasive cleaner. Do not use highly concentrated or high-acid household cleaners. They may damage seals and finish.
==== Microphor LF-220 Toilet ====
Please visit the [[Microphor LF-220 DC Toilet]] page for more information regarding maintenance, adjustments, parts list, and other detailed product information.
===Water Pump===
Under normal usage , the water pump should require no periodic maintenance other than ensur ing that the input water supply is properly filtered of particles that could damage the pump mechanism. Pump failures can generally be tied in to the plumbing system , or to electrical wiring. If the pump fails to operate properly, refer to the general trouble-shooting guide given in table 8-9. Note that detail pump repairs and overhaul should be performed by a qualified repair facility. A pumpgard filter is provided on the suction side of the water pump. This should be cleaned periodically.
{| class="wikitable"
|+Table 8-10
Water Pump Trouble Shooting Guide
!Symptom
!Possible Cause
!Corrective Action
|-
| colspan="3" |Pump operates but no water flows through faucet.
|-
|
|Low water level in tank
|Add water
|-
|
|Suction lines or filter clogged
|Clear water lines and clean filter
|-
|
|Kink in water suction hose
|Check water hose connections to tank and straighten or replace as necessary
|-
|
|Air leak in suction line
|Replace suction line
|-
| colspan="3" |Pump cycles on and off when faucets are closed
|-
|
|Water leaking in plumbing
|Check for signs of leakage and tighten or replace fittings, pipes, etc.
|-
|
|Defective toilet flush valve
|Repair flush valve
|-
| colspan="3" |Pump operates roughly and has excessive noise and vibration
|-
|
|Intake line is restricted, kink in suction hose or fittings too small
|Check hoses and straighten or replace as necessary
|-
|
|Loosened screws at pulleys and connecting rod
|Tighten screws
|-
|
|Deforemed or collapsed pulsation dampener in pump
|Replace dampener
|-
| colspan="3" |Pump fails to start when faucet is opened
|-
|
|Clogged pressure piping
|Blow out water lines with compressed air
|-
|
|No voltage to pump
|Check input wiring, circuit breaker and switches
|-
| colspan="3" |Pump fails to stop when faucets are closed
|-
|
|Empty water tank
|Add water
|-
|
|Insufficient voltage to pump motor
|Check battery voltage. If voltage is ok, pump is defective.
|}
===Holding Tank Drain Valves===
Periodically the drain valve may become hard to open . It is recommended that the (2) two screws in top of mechanism be removed and pull paddle out. After cleaning paddle a coat of vaseline should be added to both surfaces and valve reassembled.
===Clock /Thermometer Calibration Procedures===
The thermometer section of the Clock/Thermometer indicates either the inside temperature or outside temperature , depending on the position of the panel pushbutton. It may be necessary to recalibrate the unit if there are differences between the actual inside or outside temperatures and the corresponding displays. Thermometer Calibration Procedures
#Place an accuratel y calibrated thermometer unit next to the outdoor temperature probe (located under metal shield on outside of lower roof rail near refrigerator vent) while the coach is in a protected environment away from direct sunlight, rain, winds, etc. Note the thermometer reading.
#Press in the outdoor panel switch and compare the digital display reading with the actual outside temperature noted previously. If the reading disagrees sufficiently to require calibration , open the monitor panel so that the rear of the thermometer unit is accessible. (If the readings agree , proceed to step 3.) Adjust the outdoor calibration control , located in the extreme left center of the rear panel, as necessary , to make the display agree with the thermometer reading.
#Place the calibrated thermometer unit next to the indoor temperature probe and note the thermometer reading.
#Press the Indoor panel switch and compare the digital display reading with the actual inside temperature noted previously . If the readings disagree sufficiently to require calibration , open the monitor panel so that the rear of the thermometer unit is accessible . Adjust the indoor calibration control , located on the lower lefthand side of the rear panel, as necessary , to make the display agree with the thermometer reading. Replace the monitor panel.
===Tub /Shower Mixing Valve===
[[File:1989 WB 40 Manual Figure 8-9 .png|right|frameless]]
The water mixing valve used in the tub/shower contains a pressure balancing spool valve , figure 8-9, to make sure there are no sudden temperature changes. Water mineral deposits which can accumulate in the valve body and spool valve will affect the normal operation of the mixing unit. To gain access to the valve body , remove the screws which hold the faceplate to the shower wall. (Water supply must be turned off.) Remove the control knob, then lift off the faceplate. To remove the spool, unscrew the large center screw and carefully withdraw the spool from the valve body. Inspect O-rings for damage and replace, if necessary . Flush out spool of any foreign material , then replace in valve. Replace faceplate and secure with screws . Replace knob.
'''Note In some units this pressure balancing valve is in a remote location under the bathroom lavatory vanity.'''
===Air Step Speed Adjustment===
The adjustments for the entrance step are located under the center portion of the step and are combined with sintered bronze exhaust filters. The extend adjustment is close to the center of step and the retract adjustment is to the rear. To adjust the extend or retract function, loosen the lock nut (7/15" wrench) and turn adjustment with blade type screw driver as follows. To increase speed turn counter-clockwise . To decrease speed turn clockwise. When adjustment is complete tighten lock nut.
==Equipment Manufactures Information==
==Equipment Manufactures Information==
Suspension: Ridewell RAD-227WB ([http://wanderlodge.wiki/images/b/b3/Ridewell_Suspension_RAD_227_Series_Service_Manual.pdf Service Manual])
Suspension: Ridewell RAD-227WB ([http://wanderlodge.wiki/images/b/b3/Ridewell_Suspension_RAD_227_Series_Service_Manual.pdf Service Manual])
{| class="wikitable"
|+
!Equipment
!Manufacturer
!Model or Type Number
!Known Replacements / Aftermarket
|-
|Air Conditioner (Automotive)
|Motive Manufacturing Division 365710th Avenue , North Birmingham , AL 35234
|Motivair
|
|-
|Awning
|Zip-Dee Incorporated 96 Crossen Avenue Elk Grove, IL 60007
|Model BB (specify length)
|
|-
|Bath Vent
|Hammond Manufacturing Corp. P.O. Box 5393 2220 Raymond Drive Lansing , Ml 48905
|Model CB-350-B Compact Blower
|
|-
|Burglar Alarm
|Kolin Industries , Inc. Box357 Bronxville, NY 10708
|Cat. No. 120
|
|-
|CB Radio
|Audiovox Southeast 3770 Green Ind. Blvd. Chamblee , GA 30341
|AUDIOVOX Model6000A
|
|-
|Central Air Conditioner
|Marine Development Corporation P.O. Box8570 Richmond, VA 23226
|Cruisair Model ACA 14U
|
|-
|Chime
|Ron Levy Company P.O. Box2456 Smyrna , GA30081
|Model GE-861
|
|-
|Closed Circuit TV Camera
|Mashnick Associates 1977 Scenic Highway , Suite 1D Snellville , GA 30278
|SANYO Model VDC-3800
|
|-
|Closed Circuit TV Receiver
|Dotronix 794 7 Teak Way Rancho Cucamonga, CA 91730
|Model 7D-0959-CV-4-P-OE-15, 7, 12M-50/60
|
|-
|Duct Booster
|Acar Industries 4563 Hamann Parkway Willoughby , OH 44094
|Model 951553
|
|-
|Electric Heaters - Bedroom,Gally & Livingroom
|FASCO Industries , Inc. 81 O Gillespie Street Fayetteville , NC 28306
|Model2450
|
|-
|Electric Heaters - Freeze Protection
|TPI Corporation P.O. BoxT-CRS Johnson City , TN 37601
|Model BCIA05
|
|-
|Electric Heat Tapes
|Easy Heat, Inc. 31977 U.S. 20 East New Carlisle , IN 46552
|MT Cables
|
|-
|Fan, Exhaust
|Fantast ic Vent Co. 4349 South Dort Hwy Burton , Ml 48529
|Model 1000R
|
|-
|Fan, Portable
|Guest Corporation 17 Culbro Drive West Hartford, CT 06110
|12-volt Oscillating
|
|-
|Fan, Roof
|Kool-O-Matic 1831 Terrace Road Niles Ml 49120
|RU-12
|
|-
|Faucets, Bathroom
|Grohe America Inc. 900 Lively Blvd Wood Dale , IL 60191
|Model 33.031
|
|-
|Faucets, Kitchen
|Stanadyne Moen Division 377 Woodland Avenue Elyria , OH 44036
|Model7310A
|
|-
|Flourescent Lights
|Thin-Light 530 Constitution Avenue Camarilo, CA 9301 0
|Model 2-411- 723
|
|-
|Food Center
|Scovill Industries NuTone Division Madison and Red Bank Roads Cincinnati , OH 45277
|Power Unit , Model 251
Food Processor Model 256
|
|-
|Fuel Filter-Water Separator
|Racor Industries , Inc. 1137 Barium Road Modesto , CA 95351
|Model 1 000FG Detroit Diesel Engine
Model500 FG Kohler Power Generator
|
|-
|Furnace
|Suburban Manuf acturing Co. P.O. Box399 Dayton , OH 37321
|Dyna-Trail Model NT-16SW
|
|-
|Gas/Smoke Alarm
|P.M.M.I. , Inc. Drawer 10 Old Ocean, TX 77463
|
|
|-
|Ice Maker
|U-Line Corporation 8900 North 55th Street Milwaukee, WI 53223
|Model Bl-45A
|
|-
|Instant Hot Water
|Kitchenaid Division Whirlpool Corporation World Street Troy , OH 45374
|Konstant Hot KIH-160
|
|-
|LPG Alarm /Control
|P.M.M.I., Inc. Drawer 10 Old Ocean , TX 77463
|
|
|-
|LP Gas Grill
|W.C. Bradley Enterprises, Inc. P.O. Box 12040 Columbus , GA 31993
|Charbroil ModelTG110
|
|-
|LPG Tank
|Manchester Tank & Equipment Co. 2738 Lithonia Industrial Blvd. Lithonia , GA 30058
|No·. 6042
|
|-
|Leveling Jacks
|HWH Corporation R.R. 1 Moscow , IA 52760
|AP 3179
|
|-
|Microwave/Convection Oven
|Sharp Electronics Corp. 725 Old Norcross Road Lawrence , GA 30245
|Model R8580
|
|-
|Power Generator
|ONAN 1400734-DAve. NE Minneapolis, MN 55432
|
|
|-
|Radio (AM/FM Stereo Cassette)
|Robert Bosch Sales 2800 South 25th Ave. Broadvi ew, IL 60153
|Equalizer-Model BEQ08E
Compact Disc PlayerModel CDP05
Radio Cassette Model ASQR06
|
|-
|Range and Oven
|Modern Maid 6075 Corners Parkway Norcross , GA 30092
|Model KGT-341
|
|-
|Reading Lights
|Wemac /Puritan Bennett Div. 18475 Pacific St. Fountain Valley , CA 92708
|Model 2510
|
|-
|Refrigerator
|Dometic P.O. Box490 Elkhart , IN 46515
|RM 3801
|
|-
|Safeline Warning Device
|Omnifa c Corporation 1700 East Wh ipp Road Dayton , OH 45440
|Model2
|
|-
|Shower Hose Kit
|Alsons Corporation 42 Union Street Hillsdale , Ml 49242
|500 PB59
|
|-
|Shower Valve
|Stanadyne Moen Division 377 Woodland Avenue Elyria, OH 44036
|
|
|-
|Tank , Water
|Inca Plastics , Inc. 11 555 Packard Drive Middlebury , IN 46540
|
|
|-
|TV Antenna
|Tandy Distributor Products Swannanoa , NC 28788
|Model 5MS550
|
|-
|Toilet
|CL Barr & Assoc . P.O. Box284 Tucker, GA 30316
|
|
|-
|Washer /Dryer
|Sears Roebuck and Co. 675 Ponce De Leon Ave. , N.E. Atlanta , GA 30308
|Washer : 26K4090 Dryer: 26K8090
|
|-
|Water Heater
|Atwood Vacuum Machine P.O. Box95780 Chicago , IL 60694
|Model EH M-11
|
|-
|Water Pump
|ITT JABSCO 1485 Daleway Costa Mesa , CA 92626
|Model 36950-1180
|
|-
|Water Purifier
|Pure Water Enterprises , Inc. 343 Broad Street Lake Charles , LA 70607
|Model7550
|
|-
|
|
|
|
|}
==Diagrams==
==Diagrams==
===[http://wanderlodge.wiki/images/d/d7/Master_Wiring%2C_Chassis_DDEC_1_8V92_1333566.pdf Chassis Master Wiring 8v92 DDEC 1]===
===[http://wanderlodge.wiki/images/d/d7/Master_Wiring%2C_Chassis_DDEC_1_8V92_1333566.pdf Chassis Master Wiring 8v92 DDEC 1]===
=== Brochure ===
[[File:1989 Wanderlodge Brochure.jpg|none|frame|1989 Wanderlodge Brochure Specs]]
==Parts & Crossreferences==
Lights
*Landing Lights
**Morse docking lights
**