TM 55-2815-574-24
0128
CLEANING
WARNING
Perform this operation in the open or in a well-ventilated room. Avoid breathing the fumes
or direct contact of the chemicals with your skin. Failure to comply may result in personnel
injury.
NOTE
Do not attempt to clean an oil cooler core when an engine failure occurs and metal
particles from worn or broken parts are released into lubricating oil. Should such condition
arise, replace oil cooler core.
1.
Use cleaner and a force pump to clean oil cooler core oil passages, as follows:
a.
Use force pumps to clean oil passages in oil cooler core by circulating cleaner through passages
before sludge hardens.
b.
If oil passages are badly clogged, reclean by circulating cleaning compound solution through oil cooler
core oil passages. Replace cleaner as necessary until cleaner coming out of passages is free of dirt
and debris.
c.
Flush thoroughly with clean, hot water.
2.
Use cleaner to clean oil cooler core clean water passages, as follows:
a.
Allow oil cooler core to soak in cleaner until deposits are softened.
b.
Thoroughly flush oil cooler core with clean, hot water.
c.
Dip oil cooler core in light oil.
END OF TASK
INSPECTION
NOTE
Repair is limited to replacement of defective parts.
1.
Inspect oil cooler core for corrosion, cracks, or blocked passages. Replace as necessary.
2.
Inspect oil cooler covers for damage that would render covers unusable. Replace as necessary.
3.
Inspect mounting plates for damage that would render mounting plate unusable. Replace as necessary.
4.
Inspect oil cooler housing for holes, dents, and any other damage that would render housing unusable.
Replace as necessary.
5.
Inspect mounting hardware for serviceability. Replace as necessary.
6.
Inspect oil in drain pan for antifreeze contamination. Replace oil cooler cores, filter, and oil as necessary.
0128-7