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 TM 55-1905-221-14-1
4-60. TRANSMISSION OIL COOLER. (Continued)
Location/Item
Action
Remarks
REMOVAL (Cont)
NOTE
If necessary, loosen the oil tube clips at the side of the cylinder block.
e. Remove the oil cooler element
(2) from the housing (3).
f.
Remove and discard gasket
(6) and gasket (7).
CLEANING
3. Oil Cooler
Any use of trichloroethylene or other toxic chemicals for cleaning should be done in the open or a well
ventilated room.
a. Circulate a solution of
trichloroethylene through
the core passages with a
force pump to remove carbon
and sludge from the oil side
of the element.
b. If the oil passages are badly
clogged, circulate an Oakite
or alkaline solution through
the core and flush thoroughly
with clean, hot water.
c.
After cleaning the oil side
of the element, immerse it
in a solution consisting of
1/2 pound (0.2268 kgm) of
oxalic acid to each 2 1/2
gallons (9.4625 1 of solution
composed of one-third (1/3)
muriatic acid, and two-thirds
(2/3) water. The cleaning
4-251
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