Mechanics Hoists
PAGE: 17
Model MH
MH-0214
2721 NE 4th Ave Pompano FL 33064| (954) 367-6116
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deformations. Hook should rotate
freely with no roughness.
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
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 (pitch
and wire diameter)
Measure
The “G” dimension should not be
greater than maximum value listed
in Chain Wear Dimensions Table
3.1.6. The “E” dimension should not
be less than minimum value listed in
Chain Wear Dimensions Table
3.1.6.
Replace. Inspect Load Sheave by
qualified personnel
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
Motor Brush Dimensions Table
3.1.4
Replace
Gear Box oil
Visual ,Function
Oil for the gear box is pre-supplied
with a new hoist. Refer to table Gear
Brakes Table 7.3.1.
Replace
Contactor
Contacts
Visual
Contacts should be free of
significant pitting or deterioration.
Replace
Cushion Rubber
Visual
Should be free of significant
deformation.
Replace
Pendant (switches)
Function
Depressing and releasing push
buttons should make and break
Repair or replace as necessary
