TB-9-2320-335-13-P
TRUCK, UTILITY: EXPANDED CAPACITY, IAP/ARMOR READY
TECHNICAL BULLETIN; OPERATOR AND FIELD MAINTENANCE AND REPAIR PARTS AND SPECIAL TOOLS LIST (RPSTL) INSTRUCTIONS
MAY 2008
TB-9-2320-335-13-P - Page 120 of 680
TB 9-2320-335-13&P
3-38
3-78. WATER PUMP AND ADAPTER PLATE MAINTENANCE
This task covers:
a. Removal
c.
Installation
b. Inspection
INITIAL SETUP:
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).
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.
b. Inspection
a. Removal
Tools
General mechanic’s tool kit:
automotive (Appendix B, Item 1)
Maintenance and repair shop equipment:
automotive (Appendix B, Item 2)
Materials/Parts
Gasket (Appendix A, Item 49)
Pipe sealing compound (Appendix C, Item 62)
Sealing compound (Appendix C, Item 63)
Anaerobic gasket sealer (Appendix C,
Item 58)
Manual References
TM 9-2320-387-24P
Equipment Condition
•Engine oil filler tube removed
(TM 9-2320-387-24-1).
•Water pump inlet hose removed
(TM 9-2320-387-24-1).
•Water pump pulley removed (para. 3-77.1).
•Thermostat bypass hose removed (para. 3-68.1).
•Tensioner, idler pulleys, and mounting
hardware removed (TM 9-2320-387-24-1).
•Power steering pump removed (para. 8-23.1).
Maintenance Level
Unit
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