Air storage reservoir(s) with a total capacity of not less
than 4400 cubic inches; each tank equipped with drain, and
with safety and check valves between compressor and last
Foot control, suspended or treadle type.
Air control valves.
Air pressure gage, visible to the driver.
Low air-pressure warning, visible and audible.
Service brake stop lamp switch.
Automatic moisture ejector.
Alcohol aspirator with unbreakable transparent container.
Relay emergency valves.
Automatic slack adjusters.
When specified (see 6.2), in lieu of subparagraph (i), an
air dryer shall be furnished. The air dryer shall be the
3.4.12 Driver's compartment. Driver's compartment shall be built
as an integral part of the body and shall include the following:
Driver's seat shall be a Bostrum, or equal, hydraulic seat,
adjustable fore and aft, and for height. The seat shall be
positioned for convenience and safe operation of all controls
by the driver.
An upholstered, tilt passenger seat shall be provided.
Driver's and passenger's seats shall be equipped with
retracting seat belts and fold-down arm rests.
An upholstered seat shall be provided on the top of the engine
The color of the upholstery and the interior shall be
compatible. White upholstery shall not be furnished.
Driver's area floor shall be covered with ribbed rubber
Two storage cabinets shall be installed above the windshield
and shall include a center-mounted, battery operated clock.
Cabinet doors shall be provided with positive closing latches.
The base of the storage cabinets and the top section of the
instrument panel shall be padded and upholstered with heavy
Two 12-volt dome lights shall be installed in the ceiling and
shall be provided with individual switch controls.
A hinged door shall be provided on the driver's side, shall
include a vertical sliding window and shall be equipped with a
A safety grab rail and recessed steps of safety treadplate
shall be provided to facilitate entrance and exit of the
A ventilating window shall be provided on the passenger side.