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Get The Most Out Of Your Rigging Shackles

By Tim Muprhy 8 months ago No comments

Shackles are a quintessential element in rigging as they are used for not only lifting but securing loads, retrieval, fall precaution, and other activities.

Also known as a clevis, these shackles are made from high corrosion resistant stainless steel, carbon steel and steel alloy both self-colored and galvanized, which makes them capable of enduring years of tough rigging. However if not used properly you run the risk of not only breaking the shackle but injuring yourself or others.

Below are a few quick tips on proper use of shackles to make sure yours stick around for years to come:

  • When attaching a shackle to a load or a sling as a lifting member, tighten the pin securely in place and employ any means necessary to “mouse” the pin to prevent it from backing out.
  • Check the shackle pin (nut/cotter pin if that style), ears and bail for deformation, cracks or metal loss prior to each lift.
  • Avoid sudden acceleration, deceleration or shock loading to any rigging equipment.
  • Never weld on to a shackle body or pin.
  • Never substitute a shackle pin with anything other than the exact replacement pin from the manufacturer.
  • Check with the manufacturer as to top-end heat range and subsequent loss of rated capacity if involved in high temperature work environment of 600+ degrees F.
  • Always position the shackle in such a manner so it is being pulled bail to pin, not side-to-side.
  • Never force too small a shackle onto a hook.
  • Never allow the pin to be in contact with a “running” portion of a sling body, as the pin may be unscrewed.
  • Never load shackles beyond their Safe Work Load Limit.
  • Check with the manufacturer as to chemical effects on shackles when using caustic or acidic environments. Remove shackle from service for chemical pitting on pin body.
  • Remove any shackle from service if SWL marking is not legible.

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If you would like a tip sheet of your own just click the graphic below, that's all enjoy.

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