Harrington-hoists-and-cranes AHM Hoist User Manual download pdf (Page 29)

5.3 Frequent Inspection

5.3.1 Inspections should be made on a FREQUENT basis in accordance with Table 5-1, “Frequent

Inspection.” Included in these FREQUENT Inspections are observations made during operation for

any defects or damage that might appear between Periodic Inspections. Evaluation and resolution of

the results of FREQUENT Inspections shall be made by a designated person such that the hoist is

maintained in safe working condition.

Table 5-1 Frequent Inspection

All functional operating mechanisms for maladjustment and unusual sounds.

Operation of limit switch and associated components

Hoist braking system for proper operation

Hooks in accordance with ANSI/ASME B30.10

Hook latch operation

Load chain in accordance with Section 5.7

Air valves and components for leakage or damage

5.4 Periodic Inspection

5.4.1 Inspections should be made on a PERIODIC basis in accordance with Table 5-2, “Periodic Inspection.”

Evaluation and resolution of the results of PERIODIC Inspections shall be made by a designated

person such that the hoist is maintained in safe working condition.

5.4.2 For inspections where load suspension parts of the hoist are disassembled, a load test per ANSI/ASME

B30.16 must be performed on the hoist after it is re-assembled and prior to its return to service.

Table 5-2 Periodic Inspection

Requirements of frequent inspection.

Evidence of loose bolts, nuts, or rivets.

Evidence of worn, corroded, cracked, or distorted parts such as load blocks,

suspension housing, chain attachments, clevises, yokes, suspension bolts, shafts,

gears, bearings and pins.

Evidence of damage to hook retaining nuts or collars and pins, and welds or rivets

used to secure the retaining members.

Evidence of damage or excessive wear of load sheaves.

Evidence of excessive wear on motor vanes or on load brake.

Evidence of damage of supporting structure or trolley, if used.

Function labels on pendant control stations for legibility.

Warning label properly attached to the hoist and legible (see Section 1.2).

End connections of load chain.

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Harrington-hoists-and-cranes AHM Hoist User Manual Page 29