MIL-T-12407 Trucks: Patient Transport, Van Conversion, Diesel Or Gasoline Engine Driven, 4X2 And 4X4, Modified CommercialThis specification covers forward control, diesel or gasoline engine driven, four-wheel, two-wheel and four-wheel drive commercial trucks converted for use as 4 litter patient or 8 seated passenger patient transport vehicles.

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MIL-T-12407X(AT)

* 3.4.10.3 Spare tire assembly. Unless otherwise specified (see 6.2), an inflated spare tire mounted on a spare wheel or rim shall be furnished. The spare tire assembly shall be of the same size, tread design and load range (ply rating) as the tires furnished on the vehicle.

* 3.4.10.4 Carrier for spare tire assembly. A carrier for a spare wheel or rim and tire assembly shall be installed in a readily accessible location on the vehicle. The carrier design shall enable removal or mounting of spare wheel assembly using only tools specified in 3.4.16. Threaded fasteners, when used to secure the spare tire in the carrier, shall be constructed of or plated with corrosion-resistant material. If the spare is located in the patient area, it shall be concealed in a closed compartment covered with the same material as the patient compartment or shall be concealed with a washable, fire-retardant, vinyl, removable cover. The spare tire assembly shall be removable from the vehicle without moving the cot with the patient from the patient compartment.

3.4.11 Brakes. Brakes shall conform to Federal Motor Carrier Safety Regulations 393.40 through 393.42 (except 393.40(b)(1)(i), 393.45 through 393.49 and 393.51. Brake linings shall

be of nonasbestos material. The vehicle shall be equipped with power assisted, hydraulically actuated, four-wheel service brakes.

* 3.4.11.1 Split hydraulic brake system. The power-hydraulic brake system shall be so arranged as to provide separate systems for at least two wheels and so designed and constructed that rupture or leakage type failure of any single pressure component of the service brake system, except structural failures of the brake master cylinder body, effectiveness indicator body, or other housing common to the divided system, will not result in complete loss of function of the vehicle brakes when force on the brake pedal is continued. "Pressure component" means any internal component of the brake master cylinder or master control unit, wheel brake cylinder, brake line, brake hose, or equivalent, except power assist components.

* 3.4.11.2 Indicator light. The split hydraulic brake system shall be equipped with an electrically operated red light mounted on the instrument panel to indicate system effectiveness. The light shall have an area of not less than 0.196 square inch. It shall illuminate before or upon application of the brakes when an actuating-pressure component of the system has sustained a loss of pressure. The indicator light system shall include a means for testing by the vehicle operator to assure that the light bulb is operable.

3.4.12 Steering. Power steering shall be furnished.

3.4.13 Windshield wipers and washers. The vehicle shall be equipped with dual windshield wipers and windshield washers. The windshield wipers shall be the multispeed type and shall be operated by electric motor(s).