The jack, without blocking, shall be capable of raising any wheel of the loaded vehicle to a
height adequate to permit removal and replacement of a wheel and tire assembly.
3.4.17 Heater and defroster. The vehicle shall be provided with a hot water heater with fresh
air intakes and discharge outlets to the floor and to windshield defroster louvers. The heater
shall be complete with blower and mounted controls convenient to the driver.
3.4.18 Controls and operating mechanisms. All controls and operating mechanisms shall be
located for left-hand drive. Controls shall be complete and conveniently operable by the driver.
Lever controls shall be designed and located to permit easy entrance and exit of the operator to
and from the driver's compartment. Instruments and controls shall be identified as to their
function and installed in a manner to facilitate removal and servicing. All instruments shall be
visible to the driver when seated in the driving position.
3.4.19 Accessories and equipment. Chassis equipment shall be complete with all accessories
furnished as standard equipment by the manufacturer. The following minimum equipment shall
Key-operated ignition switch
Ammeter, charging indicator, or voltmeter
Oil pressure gage or red indicator warning light
Engine temperature gage or high coolant temperature or low coolant level red
indicator warning light
High coolant temperature or low coolant level alarm buzzer
Speedometer with recording odometer
Front door mounted armrest on driver's side
Driver's compartment ventilator other than window
* 3.4.20 Rearview mirrors. Outside rearview mirrors shall be mounted on each side of the
cab. The mirrors shall be of the combination type having flat and convex areas enclosed in a
common housing. The flat portion shall have not less than 50 square inches of reflective area.
The convex portion shall have not less than 25 square inches of reflective area. The mirrors shall
have not less than two supporting arms.
3.4.21 Horn. The manufacturer's standard electric horn shall be furnished. When specified
(see 6.2), in addition, an air operated horn shall be provided.