FIFTH WHEEL WILL NOT LOCK WHEN COUPLING TRAILER TO TRACTOR (CONT)

TM 9-2320-366-20-3

q1. FIFTH WHEEL WILL NOT LOCK WHEN COUPLING TRAILER TO TRACTOR (CONT)

q1.

KNOWN INFO

TEST OPTIONS

Fifth wheel lubrication OK.

Visual inspection

REASON FOR QUESTION

Primary and secondary

Are king pin jaws

Fifth wheel may not

release handles in lock

secure and free

lock if king pin jaws

position.

from damage or

are loose, broken,

Fifth wheel is properly

missing parts?

or missing.

adjusted.

POSSIBLE PROBLEMS

Loose, broken, or

missing king pin jaws.

Notify DS Maintenance.

YES

Perform Fifth Wheel Troubleshooting

(q2. Excessive Movement of Trailer

King Pin in Fifth Wheel.

2-2176