Technical Information
9-8
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
dashboard Driver Information Display (DID),
Diagnostics Mode under “Brake ECU”.
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
ESC
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.
DANGER
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 hydraulic assisted steering
gear;
•
Variable assistance in function of speed is
optional.
•
Volvo hydraulic pump gear driven from
engine drive.
•
Hydraulic reservoir and dipstick accessible
from engine compartment.
•
System pressure: 2175 psi (150 bars).
•
Steering wheel diameter 20". Tilt steering
wheel and telescopic steering column;
pneumatically locked with foot operated
switch for adjustment.
•
Number of turns: 5¾.
•
Outside turning radius: See Dimensions and
Weight.
ELECTRICAL SYSTEM
o
24 volt, negative ground
o
12 volt exterior lighting
o
Two 28 volt, 120 amp, self-regulated, belt-
driven, air-cooled HD 10 Bosh alternators.
o
Four 12 volt, group 31 format maintenance-
free batteries connected in series/parallel.
Cold cranking capacity is 950 amps (each
battery) with a reserve capacity of 195
minutes.
o
100 amp battery equalizer.
o
12 volt, 145 amp, air-cooled, belt-driven,
additional alternator (optional).
SUSPENSION
Goodyear rolling lobe type air springs (bellows)
are used throughout.
INDEPENDENT FRONT SUSPENSION
2 Bellows (14
”
) for a G.A.W.R. of 19,000 lb;
2 Shock absorbers;
2 Upper V-Links;
2 Lower V-Links;
2 Torque rods;
2 Steering Levers;
1 Leveling valve;
1 sway bar (1¾
”
diameter).
Summary of Contents for X3-45 VIP 2015
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