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 TM 55-1905-221-14-1
4-55.
RAW WATER PUMP.
Raw water pumps are mounted on the flywheel housing of each engine and driven by a coupling from the end of the
camshaft. The impeller is self-lubricated by the water pumped, and should not be run dry for longer than normally
required for the pump to prime itself. A rotary-type seal seals against leakage along the shaft.
This task covers:
a. Inspection
b. Replacement
INITIAL SETUP
Equipment
Condition
Condition Description
Engine not operating.
Test Equipment
Special Environmental Conditions
NONE
NONE
Tools and Special Tools
General Safety Instructions
General Mechanics Tool Kit
Observe CAUTION during removal.
Material/Parts
Troubleshooting References
Gaskets
NONE
Clean Cloth
Personnel Required
Approximate Time Required (minutes)
Operator-Crew
Inspection
12
(MOS 61B & C)
Replacement
72
References
NONE
4-210
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