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 TM 5-1940-277-20
TM 1940-20/2
REMOVE:
1.
Remove transmission oil cooler (refer to paragraph 3-65).
DISASSEMBLE:
1.
Using socket head screw key remove six socket head screws (1) from end covers (2).
2.
Remove end covers (2).
3.
Remove and discard O-rings (3).
Use only plastic head hammer to strike tube stack. Other hammers may cause
damage to equipment.
4.
Using plastic head hammer tap tube stack (4) to free it from transmission oil cooler casing (5).
5.
Slide tube stack (4) from transmission oil cooler casing (5).
6.
Using putty knife clean mounting surfaces between casing (5) and end covers (2).
7.
Clean inside of transmission oil cooler casing (5).
INSPECT AND REPAIR:
1.
Check tube stack (4) for signs of cracks and mixture of transmission oil and water.
2.
Check tube stack (4) water passages for clogging. If any tube is clogged replace tube stack.
ASSEMBLE
1.
Slide new tube stack (4) into transmission oil cooler casing (5).
2.
Coat new O-rings (3) with transmission oil (Item 6, App. C) and install over ends of tube stack (4).
3.
Reinstall end covers (2) and six socket head screws (1).
4.
Using socket and head screw key tighten socket head screws.
INSTALL:
1.
Install transmission oil cooler (refer to paragraph 3-65).
3-182
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