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2-19.
ENGINE - Continued
2-19.9
Water Pump.
This task covers:
a.
Removal
b.
Inspection
c.
Installation
d.
Repair
TOOLS
Main Engine Fuel Filter Assembly Removed
Shop Equipment, Automotive
(see TM 5-4210-220-12)
Maintenance and Repair,
Engine Coolant Drained
NSN 4910-00-754-0705
MATERIALS/PARTS
EQUIPMENT CONDITION
16, Appendix B Grease
Main Engine Shutdown (see TM 5-4210-220-12)
22, Appendix B Pipe Sealant
APU Shutdown (see TM 5-4210-220-12)
5103544 Seal Ring (Pump to Engine)
Batteries Disconnected (see TM 5-4210-220-12)
Engine Compartment Covers Removed
(see TM 5-4210-220-12)
WARNING
Engine coolant can cause serious burns or scalds. Allow
engine to cool before removing the water pump.
REMOVAL
(1) Loosen hose clamps and remove hose (1)
between thermostat cover (2) and water
pump housing (3).
(2) Loosen hose clamps and remove hose
(4) between radiator pipe (5) and water
pump housing (3).
(3) Loosen hose clamps and remove hose (6)
between oil cooler pipe (7) and water pump
housing (3).
(4) Remove capscrew (8), lockwasher (9), and
flat washer (10) from the rear side of the
water pump housing.
(5) Loosen the clamps and tag and remove the
two 3/4 in. hoses from the winterization
valve block that are attached to the water
pump housing at port (A).
(6) Remove the two front capscrews (11) and
lockwasher (12). Use extreme care to
prevent damage to the gear teeth when
disengaging the pump gear from the water
pump drive.
(7) Remove seal ring (13) and discard.
2-220
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