OAR 437-007-1025: Log Truck Safety Chains or Cables

(1) Each log truck and trailer combination, and each independent trailer (mule train) hooked to a log truck and trailer combination must have one or more safety chains or cables with a rated breaking strength of not less than the gross weight of the towed trailer(s). (2) The means of attachment for safety chains or cables must: (a) Be securely attached to the truck frame or to the truck frame extension. (b) Form a separate continuous connection between the truck frame or truck frame extension and the reach. (c) Be attached within 12 inches of the reach eye. (d) Provide strength equivalent to the chain or cable. (3) Safety chains or cables must: (a) Prevent the trailer reach from contacting the ground in the event of disengagement from the truck. (b) Provide a positive connection that cannot become inoperative by any condition of use or exposure. (4) Safety chains must be replaced when they have cuts, cracks or wear has reduced the chain diameter by 15 percent. (5) Safety cables must be replaced when the wire rope is frayed, stranded, 12 1/2 percent of the wires are broken within the distance of one lay or is otherwise defective. (6) Safety chain links must not be welded except to close cold-shut links. (7) Use cold-shut links only if they are: (a) Welded. (b) One size larger than the chain being used.