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 TM 55-1905-220-14-4
3-18. FRESH WATER PUMP - MAINTENANCE INSTRUCTIONS.
a. The centrifugal-type water pump circulates the engine coolant thru the cylinder block, cylinder heads,
heat exchanger and oil cooler. The pump is mounted on the engine front cover and is driven by the front
camshaft gear.
b. An oil seal is located in front of the smaller bearing and a spring-loaded face type water seal is used
behind the impeller.
c.
The pump ball bearings are lubricated with oil splashed by the water pump gear.
This task covers:
a. Inspection
c. Installation
b. Removal
d. Repair
INITIAL SETUP :
Test Equipment
References
NONE
NONE
Special Tools
Equipment
Impeller puller J22143
Condition
Condition Description
Wrench J4242
Heat Exchanger Removal
Installer water pump oil
seal J22150
Remover water pump
coupling and oil seal J1930
Installer water pump seal J8501
Installer water pump seal J21971
Feeler gage
Material/Parts
Compound P/N 5198653
Reconditioning kit
Special Environmental Conditions
P/N 5198576
None
Permatex - Non-hardening
Personnel Required
General Safety Instructions
1
None
3-550
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