ASME B30.21:2005 pdf download

ASME B30.21:2005 pdf download.Manually Lever Operated Hoists.See also Table I.

(a) Frequent inspections shall be performed at intervals defined in para. 21-1.3.l(b)(l) and shall include observations during operation.
(b) A designated person shall determine whether conditions found during the inspection constitute a hazard and whether a more detailed inspection is required.
(c) The following items shall be inspected:
(1) operating mechanisms for proper operation, proper adjustment, and for unusual sounds such as, but not limited to. binding noise of the chain, bearing squeal
(2) hooks in accordance with ASME B30.1O, frequent inspection
(3) hook latches, if used, for proper operation
(4) load chain in accordance with para. 21-1.6.1(c) or 21-1.7.1(c)
(5) load chain reeving for compliance with the recommendations of the hoist manufacturer or a qualified person
(6) hoist lever for bends, cracks, or other damage (7) damage to the support for the hoist
21-1.3.3 Periodic Inspection
See also Table 1.
(a) Periodic inspections shall be performed at intervals defined in para. 21-1.3.1(b)(2). These inspections may he performed with the hoist at its location, and do not require the hoist to be disassembled.
(b) Covers and other items normally supplied to allow inspection of components should be opened or removed for the inspection and then closed or replaced before restoring the hoist to normal operation unless further maintenance is required.
(c) A designated person shall determine whether conditions found during inspection constitute a hazard and whether disassembly is required.
(d) The following items shall he inspected:
(1) the items listed in para. 21-1.3.2
(2) fasteners for evidence of loosening
(3) load blocks, suspension housings, levers, chain attachments, devises, yokes, suspension bolts, shafts, gears, bearings, pins, rollers, and locking and clamping devices for evidence of wear, corrosion, cracks, and distortion
(4) hook retaining nuts or collars, and pins; welds or rivets used to secure the retaining members for evidence of damage
(5) load sprockets or idler sprockets for evidence of damage and wear.