(1) Vehicular light switch (1). The vehicular light
the front and rear of the carrier.
(9) Carrier steering wheel (9). The carrier steering
switch is located at the extreme left-hand side of the
wheel is a four-spoke, heavy-duty type, used to steer the
dash panel and is used to control the lights on the
carrier. The switch assembly has three lever-type
(10)Trailer brake lever (10). The trailer brake lever is
switches. The lower left controls the instrument panel
lights and parking lights. The lower right lever is a two
located on the right side of the steering column under the
position lock lever. The top lever controls the service
steering wheel. It is used to control the air braking
and blackout lights. Lever positions are marked on the
pressure to a trailer or similar towed vehicle.
(2) Turn indicator lights (2). The turn indicator lights
tachometer-hourmeter is located next to the steering
are located at the upper corners of the dash panel. One,
column at the left upper corner of the right dash panel. It
on the left side, to indicate the left turn signal lights are
indicates the engine speed in revolutions per minute and
operating when the turn signal control is actuated for a
records the number of hours the engine has operated.
Air pressure gage (12). The air pressure
left turn. When the turn signal control is actuated for a
right turn, the indicator light on the right of the panel
gage is located to the right of the tachometer-hourmeter.
functions, indicating the right turn signal lights are
It is calibrated from 0 to 160 pounds. It indicates the air
pressure in the airbrake system. The normal operating
(3) Dash panel lights (3). The dash panel lights
air pressure range is from 90 to 120 pounds per square
located midway on the dash panels, two on the right and
(13)Torque converter temperature gage (13).
two on the left. These lights are used to illuminate the
dash panels for night operation.
The torque converter temperature gage is located to the
(4) Engine oil pressure warning light (4). The
left of the air pressure gage. It is a calibrated needle-
engine oil pressure warning light located at the top, near
type gage which indicates the oil temperature in the
the center of the left dash panel, indicates by a red light
During operation of the normal
that the oil pressure is below the operating minimum, or
temperature is 1800 to 2000F.
Torque converter temperature warning
when the oil pressure falls below 10 psi at low engine idle
light (14). The torque converter temperature warning
light located to the right, and slightly above the torque
converter temperature gage, indicates by a red light
Shut the engine down immediately if this light is
when the torque converter oil temperature is above the
illuminated during operation.
safe operating temperature.
(5) Engine oil pressure gage (5). The engine oil
Utility outlet receptacle (15). The utility
pressure gage located at the top center of the left panel,
outlet receptacle located at the extreme right end of the
indicates the engine lubricating oil pressure. Normal
right dash panel. It is used to plug in and operate
gage reading at operating temperature and speed is 30-
45 pounds per square inch. With a cold engine, the
Hand throttle (16). The hand throttle is
gage reading may exceed this. This gage should show
located at the extreme right of the right dash panel. It is
an idle gage reading of 10 lbs as soon as the engine is
a lever-type control used to maintain a fixed engine
Tractor protection brake control (17). The
Low or zero gage reading is a danger signal.
tractor protection brake control valve is located at the top
Stop the engine immediately and check for the
of the auxiliary dash panel, to the operator's right. This
control permits selecting service or emergency operation
(6) Speedometer (6). The speedometer is located
for the carrier brakes.
to the right of the engine oil pressure gage. It is a
Front axle oscillate lockout (switch and
needle-type indicator calibrated from 0 to 60. It indi-
system)(18). The front axle oscillate lockout switch is
cates the speed in miles per hour the vehicle is traveling
located below the tractor protection brake control on the
and the odometer registers the miles traveled.
auxiliary dash panel. The axle oscillate lockout system
(7) High beam indicator light (7). The high beam
was designed to allow the lifting of light loads without
indicator light is located at the center of the dash panel,
setting the outriggers. The toggle switch (mentioned
above the steering column. It gives a red light when the
above) energizes the electric hydraulic valve located on
driving lights are on high beam.
the cab floor just behind the operator's seat which, in
(8) Turn signal control (8). The turn signal control is
turn, causes two hydraulic cylinders
a three-position control lever located on the left side of
the steering column under the steering wheel. It is used
to actuate the turn signal lights on