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 TM 55-1905-220-14-6
3-168.2. OIL BY-PASS VALVE - MAINTENANCE INSTRUCTIONS.
a. To assure proper lubrication if the oil cooler core becomes clogged, a valve, located between the oil inlet
and the core, bypasses the oil around the cooler directly to the oil gallery in the cylinder block.
b. The by-pass valve should be removed, cleaned and reassembled whenever the cooler core is cleaned or
replaced. However, if required, the by-pass valve can be removed without removing the oil cooler.
This task covers:
a. Removal
b. Inspection
c. Installation
INITIAL SETUP
Test Equipment
References
None
None
Equipment
Special Tools
Condition
Condition Description
Paragraph
None
Oil Pan Removal
Material/Parts
Special Environmental Conditions
Gasket Kit P/N 5194800
None
Personnel Required
General Safety Instructions
1
Observe WARNING in procedure.
3-2859
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