PREVOST X3-45 COMMUTER User Manual

SECTION 12: BRAKE AND AIR SYSTEM
DOB 1300-1556 | X3-45 Commuter PA-1648 Maintenance Manual First release Oct 2020
41
FIGURE 37: BRAKE PAD WEAR CHECK ON THE FRONT
AND T AG AXLE
12119
FIGURE 38: PAD WEAR CHECK FRONT AND TAG AXLE
16.2.5 Continuous Wear Sensor option
Some vehicles have a potentiometer installed
directly on the brake caliper.
Wear percentage can be consulted via the DID.
Access the « Brake Lining Remaining » MENU
Front axle wear sensors are connected to
multiplex module A44.
Right hand (curbside) wear sensors for both
rear axles are connected to A50
Left hand (road side) wear sensors for both rear
axles are connected to A51
FIGURE 39: POTENTIOMETER
16.2.6 Checking Correct Functioning of the
Adjuster / Checking That Caliper
Operates Smoothly Over Its Full Range
of Movement
1. Before starting work, ensure that the
wheels are chocked and the vehicle can-
not roll away.
2. Ensure that service brake and parking
brake are in the released condition.
3. Check the supply pressure of the brake
system. Connect an additional external
supply to prevent pressure drop.
4. Jack up the axle and remove the wheel.
5. Check the brake disc temperature, it
should be between 14°F and 122°F (-
10°C and 50°C).

PREVOST X3-45 COMMUTER Specifications

General

Engine	Volvo D13
Transmission	Allison B500
Fuel Type	Diesel
Length	45 ft (13.7 m)
Width	102 in (2.6 m)
Horsepower	500 hp
GVWR	54, 000 lbs
Height	141 in