INSPECT ONE-PIECE ENGINE DRIVE SHAFT (INSTALLED)
Inspect left or right drive shaft in same
way. Right shaft shown.
Rotate shaft as needed to do a
Shaft and adapter assemblies are
balanced separately. If any one
is damaged, it may be replaced
Inspect for damage listed below. Use a 3X to
5X power magnifying glass for inspection. If
cracks are suspected, use local dye-penetrant
inspection (TM 1-1500-335-23) to verify cracks..
Cracks or dents on any areas of shaft (1). If
cracks or dents are found, replace the shaft
(Tasks 6-30 and 6-32). If a crack is suspected
in one piece engine drive shaft, refer to TM
Nicks, scratches, or gouges in outer 1.5
inches of each end of shaft. If defects are
found, replace the shaft, except as noted in
Nicks and gouges up to 0.025 inch on the
outer diameter of the shaft lug ears (1.1).
Blend out defects (Task 6-31.1). If defects
greater than 0.025 inch are found, replace
Nicks, scratches, and gouges on center
section (3) of shaft, including balance flanges
(2). Blend out defects (Task 6-31.1).
Cracks, nicks, scratches, or gouges in
adapters (4 and 5). Use a 3X to 5X power
magnifying glass check. Replace any
cracked adapter assemblies (Task 6-30 and
Task 6-32). Remove any nicks, scratches
or gouges by polishing (Task 6-31.1). If a
crack is suspected in adapter, refer to TM