TM 10-4320-307-24
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LUBE OIL COOLER ASSEMBLY INSPECT/TEST/REPAIR .
This task covers: a. Disassembly b. Cleaning c. Inspection d. Testing e. Repair f. Assembly
INITIAL SETUP
Test Equipment
Manual References
Oil cooler core pressure test kit, P/N 3376765
TM 10-4320-307-10
(Item 27, Appendix B)
Equipment
Regulated air pressure line
Condition
Test plate, P/N 3376768 (Item 35, Appendix B)
Reference
Condition Description
Suitable tank (water)
Tools
Paragraph
Lube oil cooler removed
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Tool kit, general mechanic's (Item 1, Appendix B)
General Safety Instructions
Torque wrench (Item 2, Appendix B)
Well ventilated area
Materials/Parts
Oil cooler maintenance kit, P/N 3801199
Carbon tetrachloride (Item 8, Appendix C)
Vegetable oil (Item 33, Appendix C)
Sodium carbonate (Item 28, Appendix C)
Dry cleaning solvent (Item 30, Appendix C)
O-ring
DISASSEMBLY:
CAUTION
Do not reuse an oil cooler core after an
engine failure. Do not allow dirt or gasket
material to enter the oil passages when
cleaning the oil cooler and cylinder block
surface.
1.
Remove six capscrews, lockwashers. and washers
(1) that hold bypass filter head (2) to cooler housing
(3).
2.
Remove and discard lathe cut O-ring seal (4) and oil
cooler cover gasket (5).
3.
Remove capscrew and washer (6), capscrew (7), O-
ring seal (8), and sending unit (9) from cooler
housing (3). Discard O-ring seal.
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