TM 55-2840-254-23
1-84
1-84 INSPECT ENGINE AFTER POWER TURBINE OVERTORQUE (AVIM) (Continued)
b. Remove combustion section and power tur-
bine (Ref. Task 3-5). Inspect shaft (1) for
cracks, and evidence of damage in spline
area (2). Replace power turbine assembly
(Ref. Tasks 3-6 and 3-7 ) if shaft is damaged.
Install combustion section and power tur-
bine (Ref. Task 3-8).
c. Remove output shaft (Ref. Task 9-6), and
inspect for cracks and for evidence of twist.
Replace output shaft (Ref. Task 9-10) if
damaged.
d. Perform engine test (Ref. TM 55-1520-240-10
or Task 1-107), and repeat step a. If no metal
or foreign material is found, release engine for
normal operation.
INSPECT
FOLLOW-ON MAINTENANCE:
None
END OF TASK
1-254
