How to Attach a PTO Shaft Safety Chain

In the world of agriculture a power take-off shaft, otherwise referred to a PTO shaft, is the leading cause of farm related accidents resulting in death, dismemberment and serious injury. A power take-off is used to transfer power from a power source to another piece of machinery, such as from a tractor to a pump. A PTO shaft rotates at 540 rpm or greater, making it extremely dangerous to be around unshielded and unchained. All PTO shafts should be securely shielded and chained.

Instructions

- 1
  Turn off the machinery if in operation. Ensure that all equipment is off and that the shaft is not rotating.
- 2
  Install the shield. All PTO shafts and the shields used are different. Ensure that you consult your operation manual for appropriate shield installation.
- 3
  Attach the chain to one side of the shield via the chain bracket or grommet. Repeat for the other side. Typically, a PTO shield will have two chain attachment holes, one on both sides of the shaft.
- 4
  Attach the opposite ends of the chains to secure contact points flanking the shaft. Depending on the machinery you're using this will vary. Typically on a tractor, chains can be hooked to contact points that flank the shaft, or to a nearby sturdy metal bracket pole or post.

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