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=== Replacing the Water Pump ===
=== Replacing the Water Pump ===
INSTRUCTIONS FOR CHECKING
WATER PUMP GEAR LASH
This water pump assembly is furnished with the cover off to
facilitate checking the gear lash between the water pump gear
and camshaft gear after the pump is installed on the engine.
Check the gear lash by installing bolts, or equivalent, in the
impeller puller holes. Measure the backlash with an indicator at
that point. The gear backlash setting should be .001" to .006"
when measured in this manner. When the specified backlash
reading cannot be obtained, loosen the pump attaching bolts and
pivot the pump at the dowel as required to obtain the proper
lash adjustment. Retighten the mounting bolts.
Install the water pump cover as follows:
I. Make sure the seal ring is properly seated in the groove.
2. Spread the end of the retaining ring and feed it into the
retaining groove in the pump body, proceeding in a clockwise.
direction until both layers are completely into the groove.
3. With a plastic or wooden mallet strike the pump cover at the
12:00, 9:00, 6:00 and 3:00 o'clock positions. This will allow
the retaining ring to spread into the groove. Repeat the operation
several times.
4. Now strike the retaining ring outward (with the plastic or
wooden mallet) starting with the visible end of the ring and
proceeding in a counterclockwise direction. Strike around
the circumference of the ring 2 or 3 times until the ring fully
seats in the groove. The retaining ring is fully seated when
3/16" or less of the ring, measured radially, is visible.
==Reference==
==Reference==