TM 9-2815-225-34&P
3-64. WATER PUMP REPAIR
THIS TASK COVERS:
a. Disassembly
c. Inspection
b. Cleaning
d. Assembly
INITIAL SETUP:
APPLICABLE MODELS
PERSONNEL REQUIRED
All
Automotive repairman MOS 63H
SPECIAL TOOLS
REFERENCES (TM)
Bearing disassembly fixture (15434) ST-1114
TM 9-2320-273-20
Seal wear sleeve mandrel (15434) ST-1159
TM 9-2320-283-20
Water pump bearing mandrel (15434) ST-658
Oil seal driver (15434) ST-1191
TROUBLESHOOTING REFERENCES
Puller (15434) 3375265
Para. 2-8
Oil seal pilot (15434) 3375180
Water pump seal mandrel (15434) 3375448
EQUIPMENT CONDITION
Water pump removed (TM 9-2320-273-20 or
TEST EQUIPMENT
TM 9-2320-283-20).
None
SPECIAL ENVIRONMENTAL CONDITIONS
MATERIALS/PARTS
None
Loctite (Appendix C, Item 14)
Oil, lubricating, OE/HDO 10
GENERAL SAFETY INSTRUCTIONS
(Appendix C, Item 20)
Always wear eye protection when using com-
Solvent, SD-3 (Appendix C, Item 30)
pressed air.
Sealant, thread (liquid) (Appendix C, Item 27)
Use approved solvent in well-ventilated area and
Gasket (15434) 3038997
away from open flame.
Seat and seal assembly (15434) 3028294
Six lockwashers (15434) S604
Preformed packing (15434) 145506
Gasket and seal kit (15434) 3801350
(M915/Big Cam I)
Gasket and seal kit (15434) 3801235
(M915A1/Big Cam III)
LOCATION/ITEM
ACTION
REMARKS
a. Disassembly
1.
Screw (15), shaft (24), nut
Remove.
(17), and washer (18)
2.
Pulley (13) and impeller (2)
Remove from shaft (7).
Use puller (3375265).
3.
Seal (12)
Remove from water pump
Discard seal (12). Use a prybar
assembly (1).
for easy removal.
4.
Retaining ring (11)
Remove from water pump
assembly (1).
5.
Shaft (7) and two bearings
Remove from water pump
To remove, push on shaft (7) from
(8)
assembly (1).
impeller (2) side of pump
assembly (1).
6.
Seat and seal assembly (3)
Remove.
Use a drift punch to push parts
and gasket (6)
out. Discard seat and seal assem-
bly (3) and gasket (6).
3-518
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