Continuous Wear Sensor Option; Checking Correct Functioning Of The Adjuster / Checking That Caliper Operates Smoothly Over Its Full Range Of Movement - PREVOST H3-41 Maintenance Manual

SECTION 12: BRAKE AND AIR SYSTEM
FIGURE 29: BRAKE PAD WEAR CHECK ON THE FRONT
AND TAG AXLE
12119
FIGURE 30: PAD WEAR CHECK FRONT AND TAG AXLE
34 PA1621 Maintenance Manual All Series | Revised June 2020

18.2.5 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 31: POTENTIOMETER
18.2.6 Checking Correct Functioning of the
Adjuster / Checking
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).
That Caliper