PREVOST H 2018 Series, Руководство оператора

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9-12 TECHNICAL INFORMATION
modulator (6s/5m) system. A wheel slip sensor
is mounted at each wheel.
The Electronic Control Module (ECM) is
maintenance free. Its operating voltage is 24 ± 6
volts DC. The thermal operating range for the
ECM is from -40 to 167°F (-40 to 75°C).
The solenoid control valves are maintenance
free. Their operating voltage is 24 (+4.8, -2.4)
volts DC. The rated current draw is 1.65 amps.
The thermal operating range of the solenoid
control valves is from -40 to 176°F (-40 to 80°C).
TROUBLESHOOTING AND TESTING
For troubleshooting and testing of the vehicle's
anti-lock braking system, refer to Meritor
WABCO Maintenance Manual:
“Anti-Lock Brake
Systems For Trucks, Tractors and Buses" or use
menu “Diagnostics” of the DID (see “Driver
information display menus” in Section 5
Other
Features ).
AUTOMATIC TRACTION CONTROL (ATC)
– ELECTRONIC STABILITY CONTROL
(ESC)
In addition to the ABS function, vehicle may be
equipped with an advanced model of Bendix EC-
60 controller to provide an
Automatic Traction
Control (ATC) feature. Bendix ATC can improve
vehicle traction during acceleration, and lateral
stability while accelerating through curves. ATC
utilizes
Engine Torque Limiting (ETL) where the
ECU communicates with the engine’s controller
and/or
Differential Braking (DB) where
individual wheel brake applications are used to
improve vehicle traction.
The EC-60 advanced model controller also
provides ABS-based stability features referred to
as
Electronic Stability Control .
Refer to Maintenance Manual, Section 12: Brake
and Air System for more information on this
system.
CAUTION
Even with ESC-equipped vehicles, the driver
remains responsible for ensuring vehicle
stability during operation.
WARNING
ESC may reduce the vehicle speed
automatically.
ESC can make the vehicle decelerate
automatically. ESC can slow the vehicle
with or without the operator applying the
brake, and even when the throttle is being
applied.
STEERING
ZF 8098 integral steering gear model

Variable assistance in function of speed is
optional

ZF servocomtronic integral steering gear
model

ZF hydraulic pump gear driven from engine
drive

Hydraulic reservoir and dipstick accessible
from engine compartment

System pressure 2320 psi

Steering wheel diameter 20". Tilt and
telescopic, pneumatically locked with foot
operated switch for adjustment

Number of turns: 5¾.

Outside turning radius: see Dimensions and
Weight
ELECTRICAL SYSTEM

24 volt, negative ground

12 volt exterior lighting

Three 28 volts, 150 amp, self-regulated, belt-
driven, air-cooled HD 10 Bosch alternators;

Four 12 Volts, group 31 AGM type batteries
connected in series/parallel. Each one has a
reserve capacity of 200 minutes and a cold
cranking capacity of 800 amps

100 amp battery equalizer