SMMT Guide on Couplings > Correct jaw/eye and hook/eye set up
| 50mm Ball Brackets and Couplings Correct jaw/eye and hook/eye set up Parallel Jaws |
Pin / Hook and Eye Couplings and Combination Units Insufficient and Excessive clearance 40 mm Din eyes |
Correct jaw/eye and hook/eye set up
The jaw/hook should have sufficient clearance to allow free movement, but not enough to cause excessive rattle.
Approximately 3mm clearance is recommended.
A - Brake on the Jaw B - Tow on the Pin
