MIL-T-62145 Trucks: Elevating Body, Diesel And Gasoline Engine Driven, 21,000 To 39,500 Pounds Gvw, 4X2 And 6X4, CommercialThis specification covers diesel and gasoline engine driven four-wheel, two-rear-wheel drive, and six-wheel, four-rear-wheel drive vehicles having minimum gross vehicle weights GVW of 21,000 to 39,500 pounds, for normal operating conditions. The vehicles are commercial trucks equipped with stake and platform or van bodies, capable of elevating the body and cargo to a specified height for loading and unloading the cargo into and out of aircraft. The vehicles procured under this specification are commercial items which shall be warranted by the manufacturer as specified in acquisition documents.

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MIL-T-62145E

(f) Low-air-pressure warning, visible and audible

(g) Automatic moisture ejector

(h) Service brake stop lamp switch

* (i) Automatic slack adjusters on cam type brakes or internal self-adjusting brakes on wedge and disc type brakes.

3.4.11.2 Air dryer. A replaceable cartridge desiccant type air dryer shall be installed in the air brake system. The dryer shall have the capacity of removing a minimum of 95 percent of the moisture in the air being dried. The dryer shall have a pre-cooler and a filter to screen out oil

and solid contaminants. The dryer shall have an automatic self-cleaning cycle and a thermostatically controlled heater to prevent icing of the purge valve.

3.4.11.3 Trailer brake control system. When specified (see 6.2), a trailer brake control system shall be furnished in addition to the components specified in 3.4.11.1. Components and accessories shall be mounted on the vehicle chassis. The trailer brake control system shall include:

(a) Identification of emergency and service lines

(b) Coincident control of trailer brakes with prime mover foot control

(d) Prime mover protection valve with dash control and automatic breakaway feature

(e) Trailer stoplight control operable with foot brake and with hand control for trailer brakes

(f) Air connectors for trailer with SAE J318 gladhand couplers mounted at the rear of the vehicle, loaded to prevent interference with trailer

(g) Two SAE J844 coiled air hoses, each not less than 110 inches long when fully extended, with SAE J318 gladhand couplers on both ends of the hoses. The hoses

shall be packaged and stowed in the vehicle tool compartment for shipment

(h) Dummy gladhand couplers with chains

(i) Prime mover only parking brake valve to permit prime mover parking brakes to be applied while charging the trailer air brake system.

3.4.11.4 Brake controls for use from a towing vehicle. When specified (see 6.2), the vehicle shall be furnished with a system for controlling the brakes from a towing vehicle (wrecker). The installation shall be complete with air brake couplers, relay emergency valve with no-bleed-back feature (except when spring applied emergency brake is furnished), additional air lines and fittings. The service and emergency couplers shall be mounted on the front in a protected position providing for ready attachment of air hoses from a towing vehicle. The service and emergency couplers shall be identified and provided with dummy gladhand couplers with chains. The system shall not compromise conformance to any Federal Motor Carrier Safety Regulation referenced herein or to any Federal Motor Vehicle Safety Standard.