INSPECT ONE-PIECE ENGINE DRIVE SHAFT (REMOVED)
Inspect left or right drive shaft in same
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.
If a crack is suspected in one piece engine
drive shaft, refer to TM 1-1520-253-23.
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 in depth
on the outer diameter of the shaft lug ears
(1.1). Blend out defects (Task 6-31.2). If
defects greater than 0.025 inch are found,
replace the shaft.
Nicks, scratches, and gouges on center
section (2) of shaft, including balance flanges
(3). Blend out defects (Task 6-31.2).
Check for corrosion or wear on inside surface
(4) of shaft, lug bushings (5), and lug bores (6).
Replace a shaft with corrosion or wear in these