11.22.04.11

.11 Hitches and Coupling Devices.

A. Upper Fifth Wheel Plate.

Procedures: Reject Vehicle If:
(1) Inspect fifth wheel plate condition for contamination and lubrication. (1) Broken, cracked, loose, or has 1/8 inch or more wear, or coupling areas are contaminated with gravel, sand or dirt, or are not properly lubricated.

B. Kingpin.

Procedures: Reject Vehicle If:
(1) Inspect kingpin condition. (1) Kingpin is broken, cracked, loose, or deformed.
(2) Inspect kingpin wear. (2) Kingpin is worn 1/8 inch or more.

C. No-Slack Hitch. Apply air pressure to no-slack hitch before inspecting.

Procedures: Reject Vehicle If:
(1) Inspect cushion for movement and adjustment. (1) Cushion does not move or is out of adjustment.
(2) Inspect for air leaks. (2) There is an air leak at the chamber, a line, or connection.

D. Converter Dolly and Fifth Wheel Structure. Inspect:

Procedures: Reject Vehicle If:
(1) Frame. (1) Broken, cracked, warped, or contains broken or cracked welds or loose or missing bolts.
(2) Draw bar. (2) Broken, cracked, deformed, or contains broken or cracked welds or loose or missing bolts.
(3) Eye or lunette. (3) Broken, cracked, or excessively worn or repaired by welding.
(4) Fifth wheel mounting bolts. (4) Broken, cracked, missing, or deformed.
(5) Plate. (5) Broken, cracked, or lubrication grooves are missing.
(6) Saddle bushings. (6) Horizontal movement exceeds 1/4 inch.
(7) Jaw and latch. (7) Broken, cracked, seized, or wear exceeds 1/4 inch.

E. Trailer Hitches. Inspect hitch for:

Procedures: Reject Vehicle If:
(1) Mounting. (1) Hitch is not securely attached.
(2) Condition. (2) Any part is missing, bent, seized, or worn to a point where the hitch or components may separate.
(3) Latch. (3) Latch fails to close and latch.
(4) Repairs. (4) A cast or forged hitch has been welded.

F. Secondary Attachments. Inspect for presence and condition of:

Procedures: Reject Vehicle If:
(1) Safety chains or cables . (1) Missing, broken, cracked, loose, attachment, or improper length.
(2) Cable clamps. (2) Missing, broken, loose, improperly installed, or insufficient quantity.
(3) Hook. (3) Missing, broken, cracked, or contains missing parts.
(4) Safety catches. (4) Missing, broken, cracked, or operates improperly.