3.4.22 Rearview mirrors. Outside rearview mirrors shall be mounted on each side of the
vehicle. The mirrors shall have flat and convex areas. The flat portion shall have not less than
50 square inches of reflective area. The convex portion shall have not less than 24 inches of
reflective area with a radius of curvature of not less than 20 inches. The convex portion shall be
attached to the lower mirror supporting arm and shall not interfere with use of the flat mirror.
The mirrors shall have not less than two supporting arms. When specified (see 6.2), the curbside
flat mirror shall be of the motorized type, with remote control. The mirror motor shall provide
not less than 60 degrees horizontal rotational viewing range. When specified (see 6.2), the flat
mirrors shall be electrically heated. Mirror remote and heating controls shall be within reach of
the seated driver.
3.4.23 Additional accessories. When specified (see 6.2), additional accessories, such as
a vehicle AM-FM or a two-way transmission radio in the driver's compartment or any other
special accessories, shall be provided as required.
3.4.24 Horn. The manufacturer's standard electric horn shall be furnished.
3.4.25 Insect screen. When specified (see 6.2), an insect screen shall be provided on the
front of the radiator. The screen shall be corrosion-resistant.
3.4.26 Leveling jacks. When specified (see 6.2), hydraulic leveling jacks at the four
corners of the chassis frame shall be furnished. The leveling jacks shall be individually operated
by controls in the driver's compartment. Each control shall be capable of raising or lowering a
jack to level the chassis frame on inclined and level ground surfaces.
3.4.27 Engine hour meter. When specified (see 6.2), an engine hour meter having a
totalizing mechanism of not less than 9,999 hours shall be furnished for the chassis engine to
register accurately the number of hours of operating time. The meter shall be of rugged
construction to insure continuous trouble free performance under severe operating conditions.
The engine hour meter shall be mounted on the cab instrument panel or in the engine
compartment in a readable location.
3.4.28 Servicing and adjusting. Prior to acceptance of the vehicle by the Government
inspector, the contractor shall service and adjust each vehicle and its mounted equipment for
operational use including at least the following: alinement of lights; adjustment of engine and
brake systems; filling and charging of batteries; alinment of front wheels; inflation of all tires;
complete lubrication of chassis, engine and running gear with grades of lubricants recommended
for the ambient air temperature at the delivery point; servicing of the cooling system in
accordance with 126.96.36.199; and servicing of windshield washer reservoir with water and