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 TM 55-1905-221-14-1
4-46.
ENGINE OIL COOLER.
The engine oil cooler is located on the side of the engine just below the water pump. To insure engine lubrication if the
oil cooler becomes clogged, a bypass valve, located at the oil cooler inlet to the cooler, bypasses oil around the cooler
directly to the oil gallery in the cylinder block. The core through which the oil passes while being cooled is sealed to
prevent a coolant from getting into the oil. Whenever an oil cooler is assembled, special care must be taken to have the
proper gaskets in place and the retaining bolts tight.
This task covers:
a. Inspection
b. Replacement
INITIAL SETUP:
Equipment
Condition
Paragraph
Condition Description
Test Equipment
NONE
NONE
Tools and Special Tools
Special Environmental Conditions
General Mechanics Tool Kit
NONE
Material/Parts
General Safety Instructions
Gaskets
NONE
Personnel Required
Troubleshooting Reference
Operator-Crew
NONE
(MOS 61B & C)
References
Approximate Time Required (minutes)
NONE
Inspection
12
Replacement
30
4-167
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