Harrington Hoists and Cranes RH Wire Rope Hoist - Manual (Page 45)

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5.4 Periodic Inspection
5.4.1 Inspections should be made on a PERIODIC basis in accordance with Table 5-4, “Periodic Inspection.”
A designated person shall make evaluation and resolution of the results of PERIODIC Inspections such
that the hoist is maintained in safe working condition.
5.4.2 For inspections where load suspension parts of the hoist/trolley are disassembled, a load test per
ANSI/ASME B30.16 must be performed on the hoist/trolley after it is re-assembled and prior to its
return to service.
Table 5-4 Periodic Inspection
Requirements of frequent inspection.
Evidence of loose bolts, nuts, or rivets.
Evidence of worn, corroded, cracked, or distorted parts such as suspension bolts,
mounting eye bolts, stirrup bolts, stiffening plate bolts, gears, pins, bearings, pins,
rollers.
Evidence of worn or damaged hook block, hook, clevises, yokes, shafts, wire rope
and wire rope attachments.
Evidence of damage to hook retaining nuts or collars and pins, and welds or rivets
used to secure the retaining members.
Evidence of worn or damaged rope-drum, rope guide and pulleys (sheaves).
End connections of wire rope.
Evidence of damage or excessive wear of load and idler sheaves.
Evidence of excessive wear on hoist or trolley brake system parts.
Evidence of excessive wear or damage to trolley wheels, gears and guide rollers.
Evidence of damage to supporting structure or trolley, if used.
Evidence of stress cracks on trolley stirrup plate welds.
Electrical apparatus for signs of pitting or any deterioration of visible controller
contacts and electrical components, such as, switches, contacts and pushbuttons.
Proper function of motion limit devices that interrupt power or cause a warning to be
activated.
Proper function of load limiter device.
Evidence of damage to all cables, including festooned cables.
Function labels on pendant control stations for legibility.
Function, instruction and warning labels properly attached to the hoist/trolley and
legible (see Section 1.2).
Verify proper lubrication of gears, rope drum, rope guide, rope, sheaves and all
other parts requiring lubrication.
5.5 Occasionally Used Hoists and Trolleys
5.5.1 Hoists that are used infrequently shall be inspected as follows prior to placing in service:
 Hoist Idle More Than 1 Month, Less Than 1 Year: Inspect per FREQUENT Inspection criteria in
Section 5.3.
 Hoist Idle More Than 1 Year: Inspect per PERIODIC Inspection criteria in Section 5.4.