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 TM 55-1905-220-14-5
3-74. LUBE OIL COOLER-MAINTENANCE INSTRUCTIONS (Cont).
LOCATION
ITEM
ACTION
REMARKS
TESTING-PRESSURE (Cont)
CAUTION
When making the pressure test be sure that personnel are adequately protected against any
stream of pressurized water from a leak or rupture of a fitting, hose or the oil cooler core.
6. Pressure test com-
Indication of
pleted.
leaks in oil
cooler core, replace.
a. Remove oil cooler core (16)
from water tank.
b. Remove air hose (26).
c. Remove screw (25) and lock-washers (24).
d. Remove plate (22) and gasket (23).
NOTE
In cases where leaking oil cooler core has caused contamination of the engine, the engine
must be flushed immediately to prevent serious damage.
REPAIR
Repair according to standard practices
and procedures.
3-1312
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