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11.14.05.00.htm 11.14.05.00. Title 11 DEPARTMENT OF TRANSPORTATION Subtitle 14 MOTOR VEHICLE ADMINISTRATION ― VEHICLE INSPECTIONS Chapter 05 Safety Standards for Trailers Authority: Transportation Article, §12-104(b) 23-101―23-105, and 24-106.1, Annotated Code of Maryland
11.14.05.01.htm 11.14.05.01. 01 Applicability.. The standards, requirements, and procedures set forth in this chapter are applicable to equipment originally installed by the manufacturer or required by federal or State requirement on trailers (including pole trailers, semitrailers, camping trailers, trailers so designed or manufactured for the purpose of moving modular homes, travel trailers) and any questions regarding these standards or specifications shall be referred to the Automotive Safe
11.14.05.02.htm 11.14.05.02. 02 Hitches or Coupling Devices.. Inspect hitches, coupling devices, tongues, or drawbars on trailers and semitrailers for proper alignment, distortion, deformation, cracks, or missing parts. On vehicles equipped with a ball-type hitch, pintle hood, or drawbar means of attachment, inspect for presence, attachment, and size of safety chains or cables.Procedures:. Reject Vehicle If:. A. Inspect hitches, couplers, tongues, or drawbars on trailers and semitrailers for:.
11.14.05.03.htm 11.14.05.03. 03 Suspension and Alignment.. A. Suspension. Inspect the suspension system for missing, broken, damaged, worn, rusted, or modified wheel bearings, springs, or frame that would affect vehicle stability.1) Wheel Bearings. Wheel bearings out of adjustment can cause wander, unequal brake action, and noise due to interference of parts.Procedures:. Reject Vehicle If:. Wheel Bearings: With the vehicle lifted, grasp the tire top and bottom and rock it in and out. To ve
11.14.05.04.htm 11.14.05.04. 04 Brakes.. Trailers and semitrailers to be registered up to 3,000 pounds GVWR are not required to be equipped with brakes. However, if such a trailer or semitrailer is equipped with brakes, all brakes shall meet minimum standards. Trailers and semitrailers to be registered from 3,001 pounds GVWR to 10,000 pounds GVWR shall be equipped with brakes on all wheels of at least one axle. Trailers and semitrailers to be registered over 10,000 pounds GVWR shall have brakes on all wheels. A
11.14.05.05.htm 11.14.05.05. 05 Tires and Wheels.. A. Tires.. Procedures:. Reject Vehicle If:. 1) Reference is made to Figures 2 and 3 for visual aid in determining tire wear. This inspection is visual. (a) Inspect for tire wear: (i) Tires without tread wear indicators. (ii) Tires with tread wear indicators. (iii) For cord exposure. (b) Inspect for tread cuts, snags, or sidewall cracks. (c) Inspect for lumps, bulges, or knots. (d) Inspect for fabric breaks and exposed or damaged body cords.
11.14.05.06.htm 11.14.05.06. 06 Rear Metal Frame.. Every trailer or semitrailer of a gross weight of 3,000 pounds or more when operated upon a highway shall be equipped with a permanent metal frame attached to the underside of the rear of the vehicle. The frame may not be any wider than the width of the vehicle and may not be more than 30 inches above the highway when moving and shall be constructed of heavy gauge steel. The maximum transverse distance from the widest part of the vehicle at the r
11.14.05.07.htm 11.14.05.07. 07 Rear Wheel Protector Flaps.. Every trailer or semitrailer when operated upon a highway shall be equipped with suitable metal protectors or substantial flexible flaps behind the rearmost wheels of the vehicle to prevent the projection of rocks, dirt, water, or other substances to the rear and to minimize side spray. This section does not apply to pole trailers or other vehicles if the construction is such that complete freedom around the wheel area is necessary to secure the
11.14.05.08.htm 11.14.05.08. 08 Fenders.. Fender inspection shall include condition, mounting, and coverage of wheels and tires. If the body or fenders of the vehicle do not provide coverage, the vehicle shall then be equipped with suitable metal protectors or substantial flexible flaps behind the rearmost wheels of the vehicle. This section does not apply to pole trailers or other vehicles where the construction is such that complete freedom around the wheel area is necessary to secure
11.14.05.09.htm 11.14.05.09. 09 Lighting.. General Lamp and Reflector Inspection. This includes all original equipment, exterior lighting plus whatever lights are authorized. (For definitions of lighting terms, refer to COMAR 11.14.04.12E and F. Pole trailers and modular home trailers may have portable lamp devices which attach to the load when in use to comply with applicable regulations.Procedures:. Reject Vehicle If:. A. Visual Inspection of Lamp Function. Connect trailer or semitrailer to po
11.14.05.10.htm 11.14.05.10. 10 Electrical System.. To save time, the inspector should develop his own plan or sequence for inspecting miscellaneous electrical items, many of which can be inspected while inspecting other items.Procedures:. Reject Vehicle If:. A. Inspect Electrical System: (1) Wiring shall be well insulated.. A. (1) Wiring: (a) Insulation is bare, cracked, or broken. (b) Shows evidence of burning or short-circuiting.2) Connections shall be tight and secure..
11.14.05.11.htm 11.14.05.11. 11 Load Covers.. A. This regulation does not apply to a:. 1) Class G (trailer) vehicle registered or capable of being registered under Transportation Article, §13-927, Annotated Code of Maryland, provided no part of the load is within 6 inches of the top of any of the enclosures the load touches;2) Construction vehicle working within the confines of a public works construction work project site as outlined in the construction project's plans and specifications, provid
11.14.05.9999.htm 11.14.05.9999. Administrative History Effective date:. COMAR 11.14.05 Noise Abatement Program recodified COMAR 11.14.07 ―. Regulations .01―10 Safety Standards for Trailers adopted effective October 31, 1988 (15:22 Md. R. 2557)Regulation .08 amended effective April 1, 1991 (18:6 Md. R. 687). Regulation .11 adopted effective April 1, 1991 (18:6 Md. R. 687).
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