TB 9-2320-335-13&P
3-78. WATER PUMP AND ADAPTER PLATE MAINTENANCE
This task covers:
a. Removal
c.
Installation
b. Inspection
INITIAL SETUP:
Tools
Equipment Condition
General mechanic's tool kit:
Engine oil filler tube removed
automotive (Appendix B, Item 1)
(TM 9-2320-387-24-1).
Maintenance and repair shop equipment:
Water pump inlet hose removed
automotive (Appendix B, Item 2)
(TM 9-2320-387-24-1).
Materials/Parts
Water pump pulley removed (para. 3-77.1).
Thermostat bypass hose removed (para. 3-68.1).
Gasket (Appendix A, Item 49)
Tensioner, idler pulleys, and mounting
Pipe sealing compound (Appendix C, Item 62)
Sealing compound (Appendix C, Item 63)
hardware removed (TM 9-2320-387-24-1).
Anaerobic gasket sealer (Appendix C,
Power steering pump removed (para. 8-23.1).
Item 58)
Maintenance Level
Manual References
Unit
TM 9-2320-387-24P
a. Removal
1.
Remove bypass nipple (4) from water crossover (3).
2.
Remove studs (1), (13), (8), and (7), four capscrews (11), washers (12), two capscrews (9),
capscrew (10), water pump (6), and adapter plate (5) from timing gear cover (2).
3.
Remove seven capscrews (15), adapter plate (5), and gasket (14) from water pump (6). Discard
gasket (14).
4.
Clean remaining gasket material and sealing compound from sealing surfaces on adapter plate (5),
water pump (6), and timing gear cover (2).
5.
Remove heater hose nipple (17), elbow (16), and bypass hose adapter (19) from water pump (6).
b. Inspection
1.
Inspect water pump (6) for cracks, breaks, or loose impeller. Replace if cracked, broken, or impeller
is loose.
2.
Inspect adapter plate (5) for corrosion. If adapter plate (5) is excessively corroded, replace.
3.
Inspect elbow (16), heater hose nipple (17), and bypass hose adapter (19) for stripped threads and
breaks. If damaged, replace.
4.
Inspect rivet (18) for damage or looseness. Replace if damaged or loose. Apply sealing compound to
replacement rivet (18) prior to installation.
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