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TM 9-2320-364-34-4
20-165
Materials/Parts
Oil, Lubricating (Item 36, Appendix B)
Solvent, Drycleaning (Item 68, Appendix B)
Gasket (1) (Item 65, Appendix E)
This task covers:
a. Pressure Testing
INITIAL SETUP
Equipment Condition
Oil cooler on clean work surface.
Tools and Special Tools
Tool Kit, General Mechanic’s
(Item 240, Appendix F)
Compressor Unit, Air (Item 35, Appendix F)
Gloves, Heavy Duty (Item 82, Appendix F)
Goggles, Industrial (Item 83, Appendix F)
Gun, Airblow (Item 86, Appendix F)
Pump, Force (Item 178, Appendix F)
Plate, Oil Cooler Test (Appendix C)
20-57. ENGINE OIL COOLER ASSEMBLY TESTING.
a.
Pressure Testing.
NOTE
Use rubber gasket with plate to ensure tight seal.
(1)
Attach gasket and plate to flanged side of oil cooler core (1) with ten screws (2).
Wear proper eye protection to protect against stream of pressurized water from leak or
rupture of fitting, hose, or oil cooler core to prevent injury to personnel.
(2)
Attach air hose to oil cooler core (1) and
apply 75 to 150 psi (517 to 1034 kPa) air
pressure.
(3)
Submerge oil cooler core (1) in tank of hot
water.
(4)
Check for air bubbles which would indicate
leak in oil cooler core (1).
(5)
Remove oil cooler core (1) from water.
(6)
Relieve air pressure and remove air hose
from oil cooler core (1).
(7)
Remove ten screws (2), plate and gasket
from oil cooler core (1).
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