Allied H12E, Service Manual

Page: 96 / 121

Section 4
4 - 21
Figure 4-7 Visual Inspection (continued)
ITEM INSPECTION REQUIREMENTS CORRECTIVE ACTION
Intermediate Shaft Check for deep scratches or scoring on
bearing surfaces at each end of shaft. Dress surface or replace shaft if severely worn.
Check for broken or severely worn splines. Replace if splines are broken or severely worn.
Intermediate Gears Inspect both gears for broken or severely
worn teeth. Pay particular attention to
leading edges of straight-cut gear teeth. Replace gears if teeth are broken or severely worn.
Drum Shaft Check for deep scratches or scoring on
bearing surfaces. Dress surface or replace shaft if severely worn.
Check O-ring groove and seal surface. Dress groove or replace shaft if severely worn.
Check for crossthread or damaged threads. Dress threads with thread chaser.
Drum Gear Check for broken or severely worn gear
teeth. Pay particular attention to leading
edges of straight-cut gear teeth. Replace gear if teeth are broken or severely worn.
Drum Inspect quad-ring groove for burrs, scoring
and rust. Replace drum or rebuild drum groove if a new quad-
ring will not seat properly.
Drum Adapter Carefully inspect double seal contact
surface for deep scratches, burrs and rust. Replace if damaged.
Winch Frame Check area around drum and drum adapter
for damage if wire rope has slipped between
wire rope guard and winch frame.
Inspect frame for damage and/or cracking
at weld joints. Consult the factory.