Prior to initial use, all new, modified, and repaired hoists shall be inspected in accordance with Table 2. Thereafter,
inspections shall be conducted at intervals shown in Table 1; and items to be inspected are indicated in Table 2 by F
(Frequent) or P (Periodic).
Frequent Inspections - Visual inspection by the operator or other authorized person. This inspection includes listening for
unusual sounds while the hoist is operated that may indicate deficiencies.
Periodic Inspections - Audible-visual inspection as for Frequent Inspections, with some disassembly to allow a more
detailed inspection if external conditions indicate the need.
Exception: Brakes require more than audible-visual inspection. Check daily by operating lever hoist with and without load,
stopping at various positions to test holding power and amount of drift, if any occurs.
TO ADJUST BRAKE:
1. Remove cotter pin from castle nut on feed knob.
2. Screw castle nut on snugly, then back nut off just enough to line up holes for cotter pin. Replace cotter pin.
TABLE 1 - FREQUENCY OF INSPECTION
FREQUENT (F)
SERVICE
INSPECTION
Normal
Monthly
Heavy
Weekly to Monthly
Severe
Daily to Weekly
LOCATION
Slipping under load
Braking mechanism
Hard to release
Brake Parts
Glazing
Brake Discs
Oil contamination
Pawl; Ratchet
Excessive wear
Pawl Spring
Corrosion; stretch
Chemical damage
Deformation
5% in excess of normal
throat opening
10° twist from plane of
Hooks
unbent hook
Cracks (dye penetrant,
magnetic particle, or
other suitable detection
method)
Refer to ASME B30.21 for additional information on inspection, test, and maintenance.
INSPECTION AND MAINTENANCE
PERIODIC (P)
INSPECTION
Annually
Semi-Annually
Quarterly
TABLE 2 - INSPECTION CHART
In chart, F indicates Frequent Inspection, P indicates Periodic Inspection
CHECK FOR
F
✖
✖
✖
✖
P
LOCATION
Hook Retaining
Members
(Pins, Bolts, Nuts)
Hook Latch
✖
Suspension Members
(Sheaves, hand-wheels,
chain attachments,
✖
suspension bolts or pins)
✖
✖
Gears
✖
Load Block; Suspension
Housing
✖
Trolley; Supporting
Structure
✖
Bolts, Nuts, Rivets
WARNING Label
5
CHECK FOR
Not tight or secure
Damaged; does not close
Excessive wear
Cracks
Distortion
Broken or worn teeth
Cracks
Inadequate lubrication
Distortion
Cracks
Possible inability to
continue supporting
imposed loads
Not tight or secure
Removed or illegible
F
P
✖
✖
✖
✖
✖
✖
✖
✖
✖
✖
✖
✖
✖
✖
✖
✖