Foot-Operated Controls - PREVOST XL Series Instruction Manual

Electric horn
Can be activated by pressing button in center of
steering wheel.
Transmission retarder lever
Located on R.H. side of steering column. Use
lever to select transmission's retardation level
("OFF" or 1 to 6). For system description, see
page 4-5.

FOOT-OPERATED CONTROLS

AIR HORNS
Use the air horns only on highways.
released and the horn is activated when the push-
button valve, located on the floor at driver's L.H.
side, is depressed.
CLUTCH PEDAL
Used to engage and disengage the manual
transmission.
BRAKES
Service brakes
This vehicle is equipped with a dual braking
(Optional)
system, the front brakes being independent of the
rear brakes. Normally both systems are activated
by the single brake pedal. This brake system
becomes a modulated emergency system if a
pressure drop occurs in the rear brake system.
Service brakes are applied by depressing the
brake pedal, the rate of braking varying according
to the gradual increase of pressure until the
required rate of braking is obtained. When brake
pedal
automatically light up.
18018
For system information, see "BRAKES" on page
3-1.
Combination emergency and parking
brakes
The spring-loaded, manually operated parking
brake is activated by pulling up on the control
valve knob located on R.H. lateral console (see
item #2 on page 2-20).
This same brake system will automatically be
applied in an emergency situation, whenever the
control valve supply pressure drops below 40 psi
(275 kPa).
For system information, see "BRAKES" on page
3-1.
ACCELERATOR PEDAL
18118
Controls engine rpm.
NOTE:
Air is
"DDEC-TEST" switch in steering compartment is
in the "ON" position.
2 - 25
CONTROLS/INSTRUMENTS
is depressed, vehicle
Pedal will be inoperative when the
stoplights