TM 9-2320-272-24-1
THIS TASK COVERS:
a. Removal
b. Installation
APPLICABLE MODELS
REFERENCES (TM)
M939/A1
TM 9-2320-272-10
TM 9-2320-272-24P
TOOLS
EQUIPMENT CONDlTlON
General mechanic's tool kit (Appendix E, Item 1)
Torque wrench (Appendix E, Item 146)
Parking brake set (TM 9-2320-272-10).
Hood raised and secured (TM 9-2320-272-10).
MATERIALS/PARTS
Cooling system drained (para. 3-53).
Fan drive clutch removed (para. 3-75).
Gasket (Appendix D, Item 153)
O-ring (Appendix D, Item 425)
Water pump drivebelt removed (para. 3-67).
Alternator adjusting link removed (para. 3-79).
Eight lockwashers (Appendix D, Item 349)
Two lockwashers (Appendix D, Item 350)
GAA grease (Appendix C, Item 28)
1.
Remove screw (4), lockwasher (5), hose clamp (6), and spacer (7) from engine bracket (8). Discard
lockwasher (5).
2.
Remove screw (3), lockwasher (2), and washer (1) from engine bracket (8). Discard lockwasher (2).
3.
Remove six screws (11), lockwashers (10), and support bracket (9) from engine (12). Discard
lockwashers (10).
4.
Remove water pump body (16) and O-ring (15) from water pump support (14). Discard O-ring (15).
5.
Remove two screws (17) and lockwashers (18) from water pump support (14) and engine (12).
Discard lockwasher (18).
6.
Remove water pump support (14) and gasket (13) from engine (12). Discard gasket (13).
1.
Coat both sides of new gasket (13) lightly with clean GAA grease and position on water pump
support (14).
2.
Position water pump support (14) with gasket (13) on engine (12).
3.
Install water pump support (14) on engine (12) with two new lockwashers (18) and
screws (17).
4.
Put light coat of GAA grease on O-ring (15), mount O-ring (15) on water pump body (16), and install
water pump body (16) into support (14).
5.
Install support bracket (9) on engine (12) with six new lockwashers (10) and screws (11). Tighten
screws (11) 30 lb-ft (41 Nm).
6.
Install washer (1), new lockwasher (2), and screw (3) through engine bracket (8) and into support
bracket (9).
7.
Install hose clamp (6) and spacer (7) on engine bracket (8) with new lockwasher (5) and screw (4).
3-200
