Md. Code Regs. 11.22.04.11
Current through Register Vol. 51, No. 26, December 27, 2024
Section 11.22.04.11 - Hitches and Coupling DevicesA. 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. |
Md. Code Regs. 11.22.04.11