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 TM 5-1940-277-20
TM 1940-20/2
Remove oil filler cap and dipstick assembly (1).
3.
Place container (2) under transmission.
4.
Using 7/8 inch wrench remove oil return hose fitting (3).
5.
Allow oil to drain into container (2).
6.
Using 3/4 inch wrench remove adapter plug (4) from bushing (5).
7.
Using 1-1/6 inch socket remove oil strainer assembly (9).
8.
Remove oil strainer (6) from cooler return tube (8).
9.
10. Remove oil cooler tube (8) from bushing (5).
CLEAN AND INSPECT:
Clean and inspect fittings, lines and adapter.
1.
Clean strainer (6) thoroughly using cleaning solvent (Item 10, App. C).
2.
Inspect strainer (6). lf broken, discard; if not, keep for reuse.
3.
INSTALL:
Wipe excess oil from drain (7) and remove drained oil collected in container (2).
1.
Assemble oil strainer (6), cooler return tube (8) and bushing (5).
2.
Slide assembly (6 and 5) into transmission oil drain hole (7) and tighten using 1-1/16 inch socket.
3.
4.
Insert adapter plug (4) into opening in return line bushing (5) and tighten using 3/4 inch wrench.
Attach oil return hose fitting (3) to adapter plug (4) and tighten using 7/8 inch wrench.
5.
Fill transmission with new fluid (refer to LO 5-1940-277-12/LI 1940-12).
6.
Insert oil filler cap and dipstick assembly (1).
7.
Close engine hatches.
8.
Replace aft cockpit.
9.
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