TM 9-2320-272-24-2
THIS TASK COVERS:
d. Assembly
a. Removal
e. Installation
b. Disassembly
c. Cleaning and Inspection
INITIAL SETUP:
REFERENCES (TM)
APPLICABLE MODELS
TM 9-2320-272-10
M939/A1
TM 9-2320-272-24P
TOOLS
EQUIPMENT CONDITION
General mechanic's tool kit (Appendix E, Item 1)
Parking brake set (TM 9-2320-272-10).
MATERIALS/PARTS
Right splash shield removed (TM 9-2320-272-10).
Cooling system drained (para. 3-53).
Bushing (Appendix D, Item 21)
Nine lockwashers (Appendix D, Item 354)
GENERAL SAFETY INSTRUCTIONS
Gasket (Appendix D, Item 179)
Keep fire extinguisher nearby when using
Gasket (Appendix D, Item 180)
drycleaning solvent.
Two O-rings (Appendix D, Item 441)
Drycleaning solvent is flammable and toxic. Do
Two retaining rings (Appendix D, Item 537)
not use near an open flame.
Lubricating oil (Appendix C, Item 50)
When cleaning with compressed air, wear
Antiseize tape (Appendix C, Item 72)
Drycleaning solvent (Appendix C, Item 71)
eyeshields and ensure source pressure does not
exceed 30 psi (207 kPa).
1.
Loosen hose clamp (23) and disconnect heater hose (21) from shutoff valve (24).
2.
Remove shutoff valve (24) and adapter (22) from oil cooler (17).
3.
Loosen two hose clamps (19) and disconnect surge tank-to-oil cooler hose (20) and transmission
cooler-to-oil cooler hose (18) from oil cooler (17).
4.
Disconnect air compressor coolant line (12) and bushing (11) from oil cooler elbow (1). Discard
bushing (11).
5.
Remove five screws (16), lockwashers (15), oil cooler (17), and gasket (14) from engine block (13).
Discard lockwashers (15) and gasket (14). Clean gasket remains from engine block (13) and oil
cooler (17) mating surfaces.
1.
Remove four screws (2), lockwashers (3), cooler housing (6), and gasket (9) from oil cooler end
cover (10). Discard lockwashers (3) and gasket (9), and clean gasket remains from mating surfaces
of end cover (10) and cooler housing (6).
2.
Remove pipe plug (5), elbow (1), two retaining rings (8), O-rings (7), and oil cooler element (4) from
oil cooler end cover (10). Discard retaining rings (8) and O-rings (7).
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