9
INSPECTION AND MAINTENANCE CHECK LIST
LEVER OPERATED CHAIN HOIST
Type of Hoist Capacity (Tons)
Location Original Installation Date
Manufacturer Manufacturer’s Serial No.
Item
Frequency of Inspection Possible Deficiencies
OK Action
Frequent Periodic
Req’d
Daily Monthly 1-12 Mo.
Load Chain * * *
Inadequate lubrication, excessive wear or stretch, cracked,
damaged or twisted links, corrosion or foreign substance
Hooks
* * * Excessive throat opening, bent or twisted more than 10°,
damaged hook latch, wear, chemical damage, cracks
Hook Retainers
* * * Worn or damaged nuts, pins, washers, collars used to secure
hook in load block or housing
Ratchet * Wear, cracks, broken teeth
Handle Pawl * Wear, cracks or binding
& Load Pawl
Pawl Springs
* Breaks, corrosion, loss of tension
Retaining Rings * Missing or loss of retention
Pawl Stud *
Excessive wear, pawl retention, looseness
Sheave, Pinion * Distortion, cracks, excessive wear, damaged threads, build
Shaft, Chain
up of foreign substances
Attachments
Gearing * Inadequate lubrication, distortion, cracks, worn or broken teeth
Bearings, Shafts * Inadequate lubrication, distortion, cracks, excessive wear
Housing, Load * Cracks, distortion, loose bolts, nuts or rivets. Internal build up
Block, Outrigger,
of foreign substances
Hook Swivels
Nuts, Bolts, * Looseness, stripped or damaged threads
Rivets
Supporting * Damage or wear which restricts ability to support
Structure imposed loads
Capacity Plate * Missing, damaged or illegible
& Decals
NOTE:
Refer to Maintenance and Inspection Sections of the Hoist-Maintenance Manual for further details.
FREQUENCY OF INSPECTION
Frequent — Indicates items requiring inspection daily to monthly. Daily inspections may be performed by the operator
if properly designated.
Periodic — Indicates items requiring inspection monthly to yearly. 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 monthly inspection and extend the periods to quarterly, semi-annually or annually
based on user’s monthly experience.
Figure 13A — Recommended Inspection and Maintenance Check List
NOTE:
This inspection and maintenance check list is in accordance with our interpretation of
the requirements of the Safety Standard for Lever Hoists ASME B30.21. It is, however, the
ultimate responsibility of the employer/user to interpret and adhere to the applicable
requirements of this safety standard.
LMSC.qxd 7/11/2002 4:20 PM Page 9
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(636) 343-9700
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