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|  MIL-T-62497
3.4.10.1 Tires. Tires shall be tube or tubeless type with highway tread. Tires shall be steel
belted radial or, when specified (see 6.2), bias ply. Tires shall be of rated capacity at least equal
to the load imposed on each tire, measured at each wheel, at the ground, with the vehicle loaded
to required GVW. Tires shall conform to Tire and Rim Association recommendations, or to
ZZ-T-381 with a size designation system the same as the Tire and Rim Association.
3.4.10.2 Inner tubes. When tube type tires are furnished, inner tubes shall be of the heavy
duty type, and shall be of proper size for tires furnished. Tire flaps shall be provided for tube
type tires in accordance with Tire and Rim Association recommendations.
3.4.11 Brakes. The brakes shall conform to Federal Motor Carrier Safety Regulations
393.40 through 393.43 and 393.45 through 393.52.
3.4.11.1 Air brakes. Vehicles shall be equipped with full-air brakes on all wheels. The
braking system, complete with all necessary components, shall include:
(a) Air compressor, unloader-head type, engine driven and engine lubricated, air or water
cooled, and having a capacity of not less than 12 cubic feet per minute (cfm)
(b) Air storage reservoir(s), with not less than 2,000 cubic inches total capacity. Each
tank shall be equipped with a drain. Safety and check valves shall be provided
between the compressor and the last reservoir tank
(c) Foot controls, suspended or treadle type, located for dual right and left hand drive
(d) Air control valves
(e) Air-pressure gage, visible to the driver
(f) Low air pressure warning, visible and audible
(g) Service brake stop lamp switch
(h) Alcohol aspirator, with a transparent, unbreakable container
(i) Automatic moisture ejector
(j) Automatic slack adjusters
(k) When specified (see 6.2), in lieu of subparagraph (h) an air dryer shall be furnished.
The air dryer shall be of the desiccant type.
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