Pre- and post-trip fifth wheel inspection tips

Before and after each trip, it is recommended that this quick visual inspection and check be conducted of the fifth wheel, looking for:

1. Cracks in the fifth wheel assembly, mounting brackets and mounting parts.

2. Wear and/or damage to moving parts.

3. Loose nuts and bolts in the fifth wheel and in mounting hardware.

4. Securely fastened and properly working springs.

5. Both bracket pins are in place and secured by retainer pins and cotter pins.

6. Easy rocking motion of the fifth wheel. It should easily tilt forwards and backwards.

7. Secure operation of the slide locking mechanism.

8. Air leaks in the cylinder and supply line.

9. A properly operating lock adjustment mechanism. Different for each fifth wheel manufacturer, so consult the manufacturer’s manual for specific instructions.