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 TM 55-1905-221-14-1
4-54.
FRESH WATER PUMP.
The fresh water pump circulates coolant through the cylinder block, cylinder head, heat exchanger (keel cooler), oil
coolers, and exhaust manifold. The pump is mounted on the front end of the blower and is driven by the lower blower
rotor shaft. The sealed type ball bearing is filled with lubricant at the time it is assembled to the pump shaft, and no
further lubrication is required.
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
NONE
Wrench-J4242 (33287)
Material/Parts
Troubleshooting References
Gaskets
NONE
Personnel Required
Approximate Time Required (minutes)
Operator-Crew
Inspection
12
(MOS 61B & C)
Replacement
72
References
NONE
4-207
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