27
Item Method Discard limit or criteria Action
Lifting
mecha-
nism
Visually check the abrasion
and aw of the Load Sheave.
• Should be free of abrasion in the Pocket
or run-on aws on the Tooth of the Load
Sheave.
Replace the Load
Sheave.
Visually check the abrasion
and aw on tooth of the Load
Gear and Gear #2.
• Should be free of chips of tooth, stepped
abrasions, and aws.
Replace the Load Gear
and the Gear #2.
Visually check the
deformation of the Pinion.
• Pinion should be free of deformation, such
as bend.
Replace the Pinion.
Visually check the abrasion
and aw on the tooth of the
Pinion.
• Should be free of chips of tooth, stepped
abrasions, and aws.
Replace the Pinion.
Visually check the abrasion
and aw of the Hand Wheel.
• Should be free of abrasion in the Pocket,
run-on aws or breaks on the Tooth of the
Hand Wheel.
Replace the Hand Wheel
Assembly.
Visually check the
deformation of the Cam
Guide.
• Cam Guide should be free of signicant
deformation.
Replace the Cam Guide.
Visually check the Hand
Chain.
• Should be free of deformation, such as
torsion.
Replace the Hand Chain.
Body Visually check and measure
the bearing hole for Top Pin
with a vernier caliper.
• Should be free of signicant deformations or
aws.
• The dimensional difference between "a" and
"b" should be 0.5mm or less.
Replace Body Assembly.
a
b
Pocket
and Tooth
Pocket and Tooth
Deformed Cam Guide results from excessively
lowering. Instruct the operator on proper use of
the Chain Hoist.
NOTE
(Continued on the following page)