PREVOST X3-45 Multiplex User Manual

Section 12: BRAKE AND AIR SYSTEM
PA1562
3
31.3 ABS COMPONENTS......................................................................................................................27
31.3.1 Electronic Control Unit (ECU) ...............................................................................................27
31.3.2 ABS Modulator Valve ............................................................................................................28
31.3.3 Sensors .................................................................................................................................28
31.3.4 Spring clip..............................................................................................................................29
32. FITTING TIGHTENING TORQUES.................................................................................................29
33. SPECIFICATIONS...........................................................................................................................31
ILLUSTRATIONS
FIGURE 1: IFS AIR RESERVOIRS LOCATION.........................................................................................................5
FIGURE 2: I-BEAM FRONT SUSPENSION AIR RESERVOIRS LOCATION.....................................................................6
FIGURE 3: REAR VALVE LOCATION (TYPICAL) .....................................................................................................6
FIGURE 4: FRONT SERVICE COMPARTMENT........................................................................................................7
FIGURE 5: ACCESSORY AIR FILTER....................................................................................................................7
FIGURE 6: HALDEX AIR FILTER DRYER................................................................................................................8
FIGURE 7: AIR PRESSURE REGULATING VALVE .................................................................................................10
FIGURE 8: AIR PRESSURE REGULATOR ...........................................................................................................10
FIGURE 9: AIR COMPRESSOR LOCATION ..........................................................................................................10
FIGURE 10: AIR COMPRESSOR LOCATION ........................................................................................................11
FIGURE 11: PP-1 ...........................................................................................................................................12
FIGURE 12: RD-3...........................................................................................................................................12
FIGURE 13: TW-1...........................................................................................................................................12
FIGURE 14: BRAKE PEDAL ADJUSTMENT..........................................................................................................13
FIGURE 15: DELCO SWITCH ............................................................................................................................13
FIGURE 16: BENDIX SWITCH ...........................................................................................................................13
FIGURE 17: R-12...........................................................................................................................................13
FIGURE 18: R-14...........................................................................................................................................14
FIGURE 19: QR-1...........................................................................................................................................14
FIGURE 20: SR-7 ...........................................................................................................................................14
FIGURE 21: PR-4 ...........................................................................................................................................14
FIGURE 22: LP-3............................................................................................................................................15
FIGURE 23: DC-4...........................................................................................................................................15
FIGURE 24: THREE-WAY VALVE.......................................................................................................................15
FIGURE 25: BRAKE PAD CHECK.......................................................................................................................16
FIGURE 26: CLEARANCE INSPECTION ..............................................................................................................17
FIGURE 27: RUNNING CLEARANCE ..................................................................................................................17
FIGURE 28: ADJUSTER PINION ........................................................................................................................18
FIGURE 29: BOX WRENCH ON ADJUSTER PINION ..............................................................................................18
FIGURE 30: CALIPER AXIAL MOVEMENT ...........................................................................................................18
FIGURE 31: BRAKE PAD CHECK.......................................................................................................................18
FIGURE 32: PAD REMOVAL .............................................................................................................................18
FIGURE 33: PAD WEAR...................................................................................................................................19
FIGURE 34: ROTOR AND PAD WEAR LIMITS.......................................................................................................19
FIGURE 35: CALIPER GUIDANCE......................................................................................................................20
FIGURE 36: RUBBER BOOTS ...........................................................................................................................20
FIGURE 37: PAD INSTALLATION .......................................................................................................................20
FIGURE 38: RUNNING CLEARANCE ..................................................................................................................21
FIGURE 39: BRAKE PAD CHECK ......................................................................................................................21
FIGURE 40: TORQUE SPECIFICATION ...............................................................................................................21
FIGURE 41: TORQUE SPECIFICATION ...............................................................................................................21
FIGURE 42: FRONT AXLE BRAKE AIR CHAMBER.................................................................................................24
FIGURE 43: DRIVE AXLE BRAKE AIR CHAMBER..................................................................................................24
FIGURE 44: ABS ECU LOCATION ......................................................................................................................27

PREVOST X3-45 Multiplex Specifications

General

Length	45 ft
Width	102 in
Engine	Volvo D13
Horsepower	500 hp
GVWR	54, 000 lbs
Height	146 in
Sleeping Capacity	Varies based on floor plan
Water Capacity	Varies based on floor plan