TM 55-1520-240-23-5
6-31.2
REPAIR ONE-PIECE ENGINE DRIVE SHAFT (REMOVED)
(Continued)
6-31.2
NOTE
Repair left or right engine drive shaft
in same way.
1.
Blend out nicks, scratches, and gouges on center
section (1) of shaft (2), including balance flanges
(3). Use abrasive pads (E2). Do not go deeper
than 0.010 inch. Keep a blend radius of at least
0.5 inch. Blend area shall not exceed 3.14
square-inches (the area of a 2 inch circle).
2.
Blend out nicks, scratches, and gouges on
outside diameter of lugs (3.1). Use emery cloth
(E125). Do not go deeper than 0.025 inch.
3.
Remove nicks, scratches, or gouges on adapters
(4 and 5) by light hand polishing. Use abrasive
pads (E2). Do not go deeper than 0.001 inch.
Replace adapter assemblies if defects cannot be
removed by polishing.
4.
Remove light scratches, corrosion, and nicks
from outside edge and face of plates (6 and 7).
Use abrasive pads (E2). Do not go deeper than
0.001 inch.
5.
Remove thread damage, light fretting, gouges,
wear steps, and scoring on bolts (8) by light hand
polishing. Use abrasive pads (E2). Replace bolts
if defects cannot be removed by polishing.
6.
Remove nicks, gouges, and fretting on bevel
washers (9) by light hand polishing. Use abrasive
pads (E2). Replace washers if defects cannot be
removed by polishing.
6-100