Uncoupling Tractors

Hazards Identified
Pinched fingers, back injuries

Hazard-Specific Personal Protective Equipment
CSA hard hat, CSA Grade I foot protection, reflective vest

Hazard-Specific Training
Approved drivers training course


Safe Work Practice

Generic- refer to applicable operators manual for proper uncoupling procedure.

All drivers shall wear the proper PPE while at work. A CSA approved hard hat, CSA Grade I footwear and a reflective vest shall be worn whenever the driver leaves the cab of his vehicle.

The following procedure shall be used when uncoupling Tractor Semi-Trailers.

  • Position Rig.
  • Ease pressure on locking jaws.
  • Lower the support legs until firm contact is made.
  • Disconnect air lines and electrical cable.
  • Unlock fifth wheel.
  • Pull tractor partially clear of trailer.
  • Release trailer park brake.
  • Secure tractor.
  • Inspect trailer support.
  • Pull tractor clear of trailer.

Regulations, Standards and References
Occupational Safety General Regulations

Goals of the FSSNS

  • Save lives and reduce injuries.
  • Reduce all costs associated with work place accidents.
  • Improve profits.
  • Maintain compliance with regulatory bodies.
  • Manage and establish ownership of industry managed loss control programs.
  • Reduce Workers' Compensation rates.
The Forestry Safety Society of Nova Scotia is registered under the Societies Act of Nova Scotia. It is a separate entity, having a Memorandum of Association and By-Laws. The Society is governed by a Board of Directors, representing all sectors of the forest industry.