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Maintenance (Continued)
Type of Hoist ___________________________________________________________
Location _______________________________________________________________
Manufacturer___________________________________________________________
Item
Brake Mechanism
Directional Lever
Load Chain
Hooks
Lower Hook Block, Upper Hook
Block, Upper Hook Pin, Chain Guide
Rollers, Bushings, Gears, Pinion and
Friction Hub
Tip of Pawls and Lever Pawl
Teeth of Ratchet and Lever Ratchet
Pockets of Liftwheel, Stripper
and Side Plates
Nuts, Bolts, Pins and Rivets
Pawl Springs, Directional Pawl
Spring, and Spring
Chain Stop
Nameplate, Warning Labels and
Free Chaining Tags
NOTE: Refer to Maintenance and Inspection Sections of this manual for further details.
FREQUENCY OF INSPECTION
Frequent - Indicates items requiring inspection daily or before each use. These inspections may be performed by the operator if properly designated.
Periodic -- Indicates items requiring inspection every three months. Inspections to be performed by or under the direction of a properly designated person. The
exact period of inspection will depend on frequency and type of usage. Determination of this period will be based on the user's experience. It is
recommended that the user begin with a quarterly inspection and extend the periods to semi-annually or annually based on the user's quarterly
experience.
NOTE: This inspection and maintenance check list is in accordance with our interpretation of the requirements of the Safety
Standard for Overhead Hoists ASME B30.16. It is, however, the ultimate responsibility of the employer/user to interpret and
adhere to the applicable requirements of this safety standard.
Figure 14 — Recommended Inspection and Maintenance Check List
INSPECTION AND MAINTENANCE CHECK LIST
HAND OPERATED LEVER HOIST
Frequency of Inspection
Frequent
Periodic
Daily
Every 3 Months
*
*
Slippage or excessive drift.
Worn, glazed or contaminated friction discs. Thickness of discs
less than 0.094 inches.
*
*
Binding and does not move freely.
Inadequate lubrication, excessive wear or stretch, cracked
*
*
damaged or twisted links, corroded or clogged with foreign
material.
*
*
Excessive throat opening, twisted more than 10 º, damaged
or non-operating hook latch, chemical damage. Cracks (Use dye
penetrant, magnetic or other suitable detection method at
least once a year).
Cracks, distortion, excessive wear, corrosion or build-up of
*
foreign material.
Cracks, distortion, excessive wear, corrosion or build-up of
of foreign material.
*
Cracks, distortion, excessive wear, corrosion or build-up of
*
foreign material.
*
Cracks, bending, loose, stripped threads.
Corrosion, stretched or broken.
*
*
Missing, cracked, not secured to chain, not properly positioned.
*
Missing, Damaged or illegible.
Capacity (Tons)________________________________________________________
Original Installation Date ______________________________________________
Manufacturer's Serial No. ______________________________________________
Possible Deficiencies
9
OK
Action
Required
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