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 TM 55-1905-220-14-6
3-149. LUBE OIL COOLER - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
CLEANING (Cont)
2. Carefully watch
30 to 60 sec-
process and when
onds after oil
bubbling stops,
cooler core is
remove oil cooler
immersed.
core.
3. Thoroughly flush
with clean hot
water.
4. After cleaning,
dip oil cooler
core in light
oil.
NOTE
Do not attempt to clean an oil cooler core when engine failure
occurs in which metal particles from worn or broken parts are
released into the lubricating oil. In this instance, replacement of
the oil cooler core is recommended.
3-2552
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