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 TM 55-1905-219-14-5
3-74. LUBE OIL COOLER - MAINTENANCE INSTRUCTIONS (Cont).
LOCATION
ITEM
ACTION
REMARK
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.
3-1330
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