TM 55-2840-254-23
1-83
1-83 INSPECT DROPPED ENGINE (Continued)
i. Inspect combustion chamber housing (4) as
follows:
(1) There shall be no cracks.
(2) There shall be no loose bolts.
j. If damage is evident on items called out in
steps b., d., e., g., and i., replace engine.
k. If no damage is apparent, proceed as follows:
NOTE
Minimum test time is 30 minutes. Vibra-
tion levels must be within established
limits. If no discrepancies are noted,
engine is considered serviceable.
(1) perform complete engine operational
check run. Include vibration and coast-
down checks (Ref. Task 1-81 and 1-107
or Ref. TM 55-1520-240-MTF).
(2) Perform the following:
Service No. 2 bearing pressure oil filter
(Ref. Task 1-97).
Service No. 4 and 5 bearing oil filter
(Ref. Task 1-98).
Service oil filter cap and stem assembly
and oil filter element (Ref. Task 1-99).
Service fuel control filters and strainers
(Ref. Task 1-101).
step 13).
1-86, step 14).
INSPECT
FOLLOW-ON MAINTENANCE:
None
END OF TASK
1-252
