Slings : Office of Training & Education 1 Slings
Slide 2 : Office of Training & Education 2 Rigging Equipment Slings Types of slings covered are those made from alloy steel chain, wire rope, metal mesh, natural or synthetic fiber rope, and synthetic web. Chain Wire rope Metal mesh Synthetic
Sling Inspection : Office of Training & Education 3 Sling Inspection Inspect slings:
Each day before use
Where service conditions warrant
Remove them from service if
damaged or defective
Slide 4 : Office of Training & Education 4 Remove From Service Immediately remove damaged or
defective slings from service
Slide 5 : Office of Training & Education 5 Adapts to shape of the load
Can damage by sudden shocks
Best choice for hoisting very hot materials
Must have an affixed tag stating size, grade, rated capacity, and sling manufacturer Alloy Steel Chains
Slide 6 : Office of Training & Education 6 Markings
Alloy Steel Chain It must be marked with grade or manufacturer's mark
Slide 7 : Office of Training & Education 7 Hooks, rings, oblong links, or other attachments, when used with alloy steel chains, must have a rated capacity at least equal to that of the chain Alloy Steel Chain Attachments
Rated Capacity
Slide 8 : Office of Training & Education 8 Job or shop hooks and links, or makeshift fasteners, formed from bolts, rods, etc., or other such attachments, can’t be used Unsuitable Alloy Steel Chain Attachments Right Wrong
Slide 9 : Office of Training & Education 9 Chain Wear When a chain shows excessive wear, or is cracked or pitted, remove it from service
Non-alloy repair links can not be used
Wire Rope Slings : Office of Training & Education 10 Wire Rope Slings Used to hoist materials
Selection considerations:
strength
ability to bend without cracking
ability to withstand abrasive wear
ability to withstand abuse Wire rope Strand Center Wire Core
Wire Rope SlingsEye Splices : Office of Training & Education 11 Wire Rope SlingsEye Splices Eye splices made in any wire rope
must have at least three full tucks
Slide 12 : Office of Training & Education 12 Cover or blunt protruding ends of strands Protruding Ends
Slide 13 : Office of Training & Education 13 Wire Rope Clips When using U-bolt wire rope clips to form eyes, ensure the "U" section is in contact with the dead end of the rope This is the correct method Dead End
Slide 14 : Office of Training & Education 14 Lubrication Regularly lubricate ropes and chains
Slide 15 : Office of Training & Education 15 Wire Rope Slings
Remove From Service If these happen, remove the wire rope sling from service Crushing Kinking Bird Caging
Synthetic Web SlingMarkings : Office of Training & Education 16 Mark or code to show:
Name or trademark of manufacturer
Rated capacities for the type of hitch
Type of material Synthetic Web SlingMarkings
Synthetic Web SlingsFittings : Office of Training & Education 17 Fittings must be:
At least as strong as that of the sling
Free of sharp edges that could damage the webbing Synthetic Web SlingsFittings
Synthetic Web SlingStitching : Office of Training & Education 18 Stitching is the only method allowed to attach end fittings to webbing, or to form eyes Synthetic Web SlingStitching Stitching
Synthetic Web Slings -Remove from Service : Office of Training & Education 19 Remove from service if any of these are present:
Acid or caustic burns
Melting or charring of any part
Snags, punctures, tears or cuts
Broken or worn stitches
Distortion of fittings Synthetic Web Slings -Remove from Service Heat Damage
Summary on Slings : Office of Training & Education 20 Summary on Slings -Inspect before each use
-Check rating Capacity
-Remove from service if damaged in any way