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 TM 55-1905-219-14-5
3-93.2. 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, by-passes 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 occasion requires, 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
Para
NONE
NONE
Material/Parts
Special Environmental Conditions
Gasket Kit P/N 5192637
NONE
Personnel Required
General Safety Instructions
1
NONE
LOCATION
ITEM
ACTION
REMARKS
REMOVAL
1. By-pass
a. Cap (1)
Remove.
Discard gasket.
valve
and gas-
ket (2)
b. Spring
Remove.
(3)
c. Valve
Remove.
(4)
3-1628
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