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Inspection Identification Working Load Limited of Wire Rope Sling
Sling identification
A wire rope sling with a swaged or poured socket or a pressed fitting must be permanently identified with
(a) its working load limit,
(b) the angle upon which the WLL is based, and
(c) the name or mark of the sling manufacturer.
WLL--Working Load Limited
(1) The determination of the working load limit of a sling assembly must ensure that the WLL of any individual component of the assembly is not exceeded.
(2) The WLL of a sling with more than 3 legs is limited to the WLL of any 3 legs of the sling.
(3) The load carried by any single leg of a bridle sling must not be greater than the WLL of the leg.
Wire Rope Sling Inspected
Slings and attachments must be visually inspected before use on each shift, and defective equipment must be immediately removed from service.
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