TM 9-2320-260-34-1
3-12. OIL COOLER MAINTENANCE
THIS TASK COVERS:
d . Assembly
a. Removal
e. Installation
b. Disassembly
c. Cleaning and Inspection
INITIAL SETUP
EFERENCES (TM)
APPLICABLE MODELS
TM 9-2320-260-10
All
TM 9-2320-260-20
TOOLS
TM 9-2320-260-34P-1
General mechanic's tool kit
EQUIPMENT CONDITION
(Appendix B, Item 1)
Cooling system drained (TM 9-2320-260-20).
Engine oil cooler tester (Appendix B, Item 113)
Torque wrench, 3/8-in. dr.
GENERAL SAFETY INSTRUCTIONS
(Appendix B, Item 4)
Keep fire extinguisher nearby when using
MATERIALS/PARTS
drycleaning solvent.
Compressed air source will not exceed 30 psi
Nine lockwashers (Appendix D, Item 215)
(207 kPa).
Two gaskets (Appendix D, Item 65)
Eyeshields must be worn when cleaning with
Two retaining rings (Appendix D, Item 341)
compressed air.
Two O-rings (Appendix D, Item 298)
Rubber bushing (Appendix D, Item 368)
Drycleaning solvent (Appendix C, Item 41)
Antiseize tape (Appendix C, Item 43)
Lubricating oil (Appendix C, Item 21)
Sealing compound (Appendix C, Item 38)
1. Remove four clamps (14), two hoses (15), and bypass tube (16) from thermostat housing (1) and oil
cooler (13).
2. Remove clamp (10) and radiator outlet hose (9) from oil cooler (13).
3. Remove clamp (12) and hose (11) from oil cooler (13).
4. Remove air compressor coolant line (2) and rubber bushing (3) from elbow (8). Discard rubber
bushing (3).
5. Remove five screws (7), lockwashers (6), oil cooler (13), and gasket (5) from cylinder block (4).
Discard lockwashers (6) and gasket (5).
1. Remove four screws (19), lockwashers (20), end cover (17), and gasket (21) from housing (25).
Discard lockwashers (20) and gasket (21).
2. Remove two retaining rings (22), O-rings (23), and element (27) from housing (25). Discard retaining
rings (22) and O-rings (23).
3. Remove elbow (8) and two plugs (18) from end cover (17).
4. Remove valve (26) and plug (24) from housing (25).
