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 TM 5-1940-277-20
TM 1940-20/2
REMOVE:
1.
Open and secure engine hatches (refer to paragraph 3-154).
2.
Remove buoyancy material to replace starboard engine transmission oil cooler
(refer to paragraph 3-152).
3.
Drain the cooling system (refer to paragraph 3-69).
NOTE
This procedure covers two different types of transmission oil
coolers used on different engines. Step three through step nine
apply to the MK1 and MK2 w/Sabre engine. Steps ten through
fifteen apply to the MK2 w/Cummins engine.
4.
Using screwdriver, loosen four hose clamps (1) securing rubber hoses (2) to pipes (3) and
transmission oil cooler (4).
5.
Move rubber hoses (2) away from transmission oil cooler (4).
6.
Using wrenches, remove two transmission oil hose fittings (5) from transmission oil cooler (4).
Hold liquid container under hose fittings while removing to catch transmission oil.
7.
Using screwdriver, loosen clamp (6) securing transmission oil cooler (4) to mounting bracket (7).
8.
Slide transmission oil cooler (4) out of clamp (6) and mounting bracket (7) being careful not to spill
transmission oil.
9.
Using rags (Item 4, App. C), wipe up any transmission oil or coolant that was spilled.
NOTE
Steps ten through fifteen apply to the MK2 w/Cummins engine.
10.
Using flat tip screwdriver, loosen two clamps (9) securing rubber hoses (8) and (14) to transmission
oil cooler (10).
11.
Remove rubber hoses (8) and (14) and clamps (9) from the transmission oil cooler (10).
12.
Using 3/4 inch wrench, remove transmission oil cooler lines (16) and (17) from transmission oil
cooler (10).
13.
Using 3/4 inch wrench, remove elbows (15) and (18) from transmission oil cooler (10).
14.
Using 1/2 inch wrench, remove four nuts (11) from two U-bolts (13).
15.
Remove U-bolts (13) and transmission oil cooler (10) from bracket (12).
3-184
Change 2
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