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
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.
The pump ball bearings are lubricated with oil splashed by the water pump gear.
This task covers:
INITIAL SETUP :
Impeller puller J22143
Heat Exchanger Removal
Installer water pump oil
Remover water pump
coupling and oil seal J1930
Installer water pump seal J8501
Installer water pump seal J21971
Compound P/N 5198653
Special Environmental Conditions
Permatex - Non-hardening
General Safety Instructions