Inspection of Slings
1.1 Missing or illegible manufacturer's name or trademark and/or rated load identification (or size as required)?
1.2. A 10% or more reduction of he original demension?
1.3. Bent, twisted, distorted, stretched, elongated, cracked or broken load bearing components?
1.4. Excessive nicks, gouges, pitting, and corrosion?
1.5. Indication of heat damage including weld spatter or arc strikes,evidence of unauthorized welding?
1.6. Loose or missing nuts, bolts, cotter pins, snap rings, or other fasteners and retaining devices?
1.7. Unauthorized replacement components or other visible conditions that cause doubt as to the continued use of the sling.
2.1. Any visibly apparent bend or twist from the plane of the unbending hook
2.2. Any distortion causing an increase in throat opening of 5% not to exceed 1/4"
2.3. Missing or illegible rated load identification
2.4. Missing or illegible hook manufacturer's identification
Slings Rejection Criteria: Missing or illegible sling identification; evidence of heat damage; slings that are knotted; fittings that are pitted, corroded, cracked, bent, twisted, gouged, or broken; other conditions, including visible damage that cause doubt as to the continued use of the sling.
3.1. Excessive broken wires, for strand-laid and single part sling, ten randomly distributed broken wires in one rope lay or five broken wires in one rope lay
3.2. Severe localized abrasion or scraping, kinking, crushing, birdcaging
3.3. Any other damage resulting in damage to the rope structure
4.1 Acid or caustic burns
4.2 Melting or charting of any part of the sling
4.3 Holes, tears, cuts, or snags
4.4 Broken or worn stitching in load bearing splices
4.5 Excessive abrasive wear
4.6 Discoloration and brittle or stiff areas on any part of the sling, which may mean chemical or ultraviolet / sunlight damage
5.1 Acid or caustic burns
5.2 Evidence of heat damage
5.3 Holes, tears, cuts, abrasive wear or snags that expose the core yarns
5.4 Broken or damaged core yarns
5.5 Weld spatter that exposes core yarns
5.6 Discoloration and brittle or stiff areas on any part of the slings, which may mean chemical or other damage
6.1 A nameplate or other permanent marking shall be affixed displaying the following: Manufacturer's name and address; serial number; lifter weight, if over a 100 lbs; rated load
During frequent or periodic inspections, any deficiencies, such as listed below shall be carefully examined, and determination made as to whether they constitute a hazard
6.2 Structural deformation, cracks, or excessive wear on any part of the lifter
6.3 Loose are missing guards, fasteners, covers, stops, or nameplates
6.4 All functional operating mechanisms for misadjustments interfering with operation
6.5 Loose bolts or fasteners
6.6 Cracked or worn gears, pulleys, sheaves, sprockets, bearings, chains and belts
6.7 Excessive wear of friction pads, linkage, and other mechanical parts
6.8 Excessive wear at hoist hooking points and load support clevises or pins
7.1 All functional mechanisms for maladjustments