B.C. Matthews Hall
University of Waterloo
200 University Ave. West
Waterloo, Ontario, Canada N2L 3G1
519-888-4567, ext. 45513
- When parking the trailer, place trailer properly on level ground and preferably on a trailer pad.
- Prior to pulling the king pin, lower landing gear then snug truck to king pin.
- Use a pin puller long enough to clear truck wheels so you can use two hands to pull the king pin.
- Ensure good technique which includes putting both feet under edge of tires with knees on tire, keep back straight, use two hands on pin puller, contract arms and lean back.
- Ensure adequate preventative maintenance for tractors and trailers, including lubrication of the king pin locking mechanism.
- Purchase trucks with quarter fenders instead of full fenders to increase space for two hands.
- Investigate leverage tool
- Department of Trade and Industry (DTI). (2000). Strength Data for design safety – Phase 1, Government and Consumer Safety Research, London.
- Mital, A., Nicholson, A.S. and Ayoub, M.M., A Guide to Manual Material Handling, 2nd Ed. Taylor and Francis Ltd., 1997
- Eastman Kodak Company. (2004) Kodak’s Ergonomic Design for People at Work (2nd Edition) (S. N. Chengalur, S. H. Rodgers, and T. E. Bernard, Eds.) John Wiley and Sons, Inc., New Jersey.