6. Coupling System

Question 1

1. Air hoses

Answer 1

1. The air hoses are not damaged or leaking, bubbled properly, sealed, and locked into place on my truck and trailer.

Question 2

2. My air and electrical lines are not tangled or pinched, and they’re not rubbing on any surface.

Question 3

3. My trailer apron sits flat on my fifth wheel skid plate, it is not damaged, has no illegal welds, and is properly secured.

Question 4

4. My fifth wheel skid plate is secured to my fifth wheel platform, not damaged or missing any hardware, and probably greased.

Question 5

5. Between my apron and fifth wheel there’s no visible gap, properly greased and free of debris.

Question 6

6. The release arm is always in the locked position, not damaged and properly secured.

Question 7

7. My king ping is not bent, damaged or worn and properly secured to my trailer apron.

Question 8

8. The locking jaws are fully secure around the kingpin, and there’s no visible play in between.