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Item
Method
Criteria
Action
Hooks (bent
shank or
neck)
Visual
Shank and neck portions of hook should be free of deformations.
Replace
Hooks (hook
latches)
Visual,
Function
Latch should not be deformed. Attachment of latch to hook should not
be loose. Latch spring should not be missing and should not be
weak. Latch movement should not be stiff when depressed and
released latch should snap smartly to its closed position.
Replace
Hooks
(swivel
bearing)
Visual,
Function
Bearing parts and surfaces should not show significant wear. They
should be free of dirt, grime and deformations. Hook should rotate
freely with no roughness.
Clean/lubric
ate, or
replace as
required
Load Chain
(surface
condition)
Visual
Should be free of rust, nicks, gouges, dents and weld spatter. Links
should not be deformed or show signs of abrasion. Surfaces where
links bear on one another should be free of significant wear.
Replace
Load Chain
(lubrication)
Visual,
Auditory
Entire surface of each link should be coated with lubricant and free of
dirt/grime.
Chain should not emit cracking noise when hoisting a load.
Clean/
lubricate
Load Chain
(reeving)
Visual
Chain should be reeved properly through load sheave. Chain,
cushion rubbers, washers, and stoppers should be installed properly.
Reeve/
Install chain
properly
Chain
Container
Visual
Container should not be damaged. Brackets should not be deformed
or missing.
Replace
Housing and
Mechanical
Components
Visual,
Auditory,
Vibration
,
Function
Hoist components including load blocks, suspension housing, chain
attachments, clevises, yokes, suspension bolts, shafts, gears,
bearings, pins and rollers should be free of cracks, distortion,
significant wear and corrosion. Evidence of same can be detected
visually or via detection of unusual sounds or vibration during
operation.
Replace
Bolts, Nuts,
and Rivets
Visual,
Check
with
proper
tool
Bolts, nuts and rivets should not be loose.
Tighten or
replace as
required
Motor
Brushes
Measure
, Visual
The
“B” dimension should not be less than minimum value listed in
Table 1-2.
Replace
Cushion
Rubber
Visual
Should be free of significant deformation.
Replace
Summary of Contents for 72642
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