TM 55-2840-254-23
1-86
1-86 INSPECT CONTAMINATED OIL SYSTEM (Continued)
6. Install cap (4) on oil drain cock fitting (6).
7. Forward oil sample to oil analysis laboratory.
NOTE
Wait for lab resuIts before proceeding
with following steps. If lab results are
acceptable, then proceed with follow-
ing steps.
8. Drain engine oil system (Ref. Task 1-75).
9. Service starter gearbox filter (Ref. Task 1-95).
10. If not previously done, service No. 2 bearing
11. If not previously done, service No. 4 and 5
12. If not previously done, service oil filter cap and
12.1 If not previously done, clean overspeed
drive and outlet cover assembly (Ref Task
5-19).
12.2 If not previously done, inspect overspeed
drive and outlet cover assembly (Ref Task
5-20).
12.3 If not previously done, clean main oil pump
and scavenge oil screen (Ref Task 8-2).
12.4 If not previously done, inspect main oil
pump and scavenge oil screen (Ref Task
8-3).
12.5 If not previously done, clean oil filler
assembly and oil filler strainer (Ref Task
8-18).
12.6 If not previously done, inspect oil filler
assembly and oil filler strainer (Ref Task
8-19).
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