Difference between revisions of "Detroit Diesel 8v92TA-475hp"

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==How-Tos==
 
==How-Tos==
  
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===How to replace xxx  kdmamdaldkmaldmka===
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===R&R Thermostats, Coolant Hoses, Radiator and Changing the Hydraulic Fan/Steering Filter, oil, shaft seals===
  
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====R&R Thermostats, Coolant Hoses, Radiator and Changing the Hydraulic Fan/Steering Filter, oil, shaft seals====
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===Replacing the Water Pump===
  
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=== Replacing the Water Pump ===
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=== Changing the alternator and belts ===
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INSTRUCTIONS FOR CHECKING
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This procedure was worked out while changing the Alternator on a 1987 PT38 8V92. T
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WATER PUMP GEAR LASH
 
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This water pump assembly is furnished with the cover off to
 
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facilitate checking the gear lash between the water pump gear
 
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and camshaft gear after the pump is installed on the engine.
 
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Check the gear lash by installing bolts, or equivalent, in the
 
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impeller puller holes. Measure the backlash with an indicator at
 
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that point. The gear backlash setting should be .001" to .006"
 
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when measured in this manner. When the specified backlash
 
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reading cannot be obtained, loosen the pump attaching bolts and
 
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pivot the pump at the dowel as required to obtain the proper
 
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lash adjustment. Retighten the mounting bolts.
 
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Install the water pump cover as follows:
 
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I. Make sure the seal ring is properly seated in the groove.
 
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2. Spread the end of the retaining ring and feed it into the
 
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retaining groove in the pump body, proceeding in a clockwise.
 
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direction until both layers are completely into the groove.
 
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3. With a plastic or wooden mallet strike the pump cover at the
 
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12:00, 9:00, 6:00 and 3:00 o'clock positions. This will allow
 
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the retaining ring to spread into the groove. Repeat the operation
 
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several times.
 
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4. Now strike the retaining ring outward (with the plastic or
 
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wooden mallet) starting with the visible end of the ring and
 
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proceeding in a counterclockwise direction. Strike around
 
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the circumference of the ring 2 or 3 times until the ring fully
 
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seats in the groove. The retaining ring is fully seated when
 
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3/16" or less of the ring, measured radially, is visible.
 
  
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The Alternator has two belts, the AC Compressor has two belts. No other belts on the 8V92. Curt Sprenger
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Alternator Belt Replacement...
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# Remove the engine access plate screws, lots of screws. The access plate is under the mattress of the island/walk around bed. Use a good battery drill to remove the screws.
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# Use a hacksaw blade to cut the seal product between the access plate and the floor. Itís a good idea to carry a couple hacksaw blades in the tool box.
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# Lift out the access plate. It's double layered and itís heavy . The bottom will be dirty.
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# Use a 3/4" socket and cheater bar. Reach down to the alternator and loosen the two top bolts. One bolt is the slider to alternator. The other holds the slider to the stationary bracket.
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# May need to loosen the alternator bottom pivot bolt to freely move the alternator.
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# Remove the belts if they haven't already come off the pulleys.
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# Check the drive and alternator pulleys for abnormal wear, cracks.
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# Place the new belts on the pulleys.
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# Use a pry bar or long/stout screw driver to push the alternator so the belts have only a slight (maybe ºî) indentation between the drive and alternator pulleys.
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# While holding the alternator per above, tighten the slider bolt. Recheck the belts.
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# Tighten the stationary bracket bolt.  
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# Tighten the alternator bottom pivot bolt.   
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# Put seal material on the access plate floor space. Or just go to step 13.  
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# Install the access plate and the screws. Again, the battery screw driver is very handy.  
  
 
==Reference==
 
==Reference==

Latest revision as of 23:43, 23 July 2019

How-Tos

R&R Thermostats, Coolant Hoses, Radiator and Changing the Hydraulic Fan/Steering Filter, oil, shaft seals

Replacing the Water Pump

Changing the alternator and belts

This procedure was worked out while changing the Alternator on a 1987 PT38 8V92. T

The Alternator has two belts, the AC Compressor has two belts. No other belts on the 8V92. Curt Sprenger

Alternator Belt Replacement...

  1. Remove the engine access plate screws, lots of screws. The access plate is under the mattress of the island/walk around bed. Use a good battery drill to remove the screws.
  2. Use a hacksaw blade to cut the seal product between the access plate and the floor. Itís a good idea to carry a couple hacksaw blades in the tool box.
  3. Lift out the access plate. It's double layered and itís heavy . The bottom will be dirty.
  4. Use a 3/4" socket and cheater bar. Reach down to the alternator and loosen the two top bolts. One bolt is the slider to alternator. The other holds the slider to the stationary bracket.
  5. May need to loosen the alternator bottom pivot bolt to freely move the alternator.
  6. Remove the belts if they haven't already come off the pulleys.
  7. Check the drive and alternator pulleys for abnormal wear, cracks.
  8. Place the new belts on the pulleys.
  9. Use a pry bar or long/stout screw driver to push the alternator so the belts have only a slight (maybe ºî) indentation between the drive and alternator pulleys.
  10. While holding the alternator per above, tighten the slider bolt. Recheck the belts.
  11. Tighten the stationary bracket bolt.  
  12. Tighten the alternator bottom pivot bolt.   
  13. Put seal material on the access plate floor space. Or just go to step 13.  
  14. Install the access plate and the screws. Again, the battery screw driver is very handy.  

Reference

Manuals & Guides

Detroit Diesel Series 92 Engine Service Manual

Parts Diagram for Engine Model 8087-7B28

DDEC I Troubleshooting Guide

Wiring Schematics for Detroit Diesel v92 Series


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