PREVOST X3-45 COMMUTER User Manual

SECTION 16 : SUSPENSION
DOB 1300-1556 | X3-45 Commuter PA-1648 Maintenance Manual First release Oct 2020
1
CONTENTS
SECTION CHANGE LOG ........................................................................................................................................... 3
1. TORQUE TABLES ............................................................................................................................................. 4
1.1 FRONT I-BEAM AXLE AND RELATED COMPONENTS ...................................................................................... 4
1.2 REAR SUSPENSION ......................................................................................................................................... 6
2. DESCRIPTION .................................................................................................................................................. 9
3. FRONT I-BEAM AXLE SUSPENSION .................................................................................................................. 9
3.1 AIR SPRINGS ................................................................................................................................................... 9
3.1.1 Inspection ............................................................................................................................................... 9
3.1.2 Removal ................................................................................................................................................. 9
3.1.3 Installation ........................................................................................................................................... 10
3.2 SHOCK ABSORBERS ...................................................................................................................................... 10
3.2.1 Inspection ............................................................................................................................................. 11
3.2.2 Removal ............................................................................................................................................... 11
3.2.3 Installation ........................................................................................................................................... 11
3.3 RADIUS RODS ............................................................................................................................................... 12
3.3.1 Inspection ............................................................................................................................................. 12
3.3.2 Radius Rod Removal ............................................................................................................................ 13
3.3.3 Stripping Down .................................................................................................................................... 13
3.3.4 Radius Rod Assembly ........................................................................................................................... 13
3.3.5 Radius Rod Installation ........................................................................................................................ 14
3.4 SWAY BAR .................................................................................................................................................... 14
3.4.1 Removal ............................................................................................................................................... 14
3.4.2 Installation ........................................................................................................................................... 14
4. REAR SUSPENSION ....................................................................................................................................... 15
4.1 AIR SPRINGS ................................................................................................................................................. 16
4.1.1 Inspection ............................................................................................................................................. 16
4.1.2 Removal ............................................................................................................................................... 16
4.1.3 Installation ........................................................................................................................................... 16
4.2 SHOCK ABSORBERS ...................................................................................................................................... 17
4.2.1 Inspection ............................................................................................................................................. 17
4.2.2 Removal ............................................................................................................................................... 18
4.2.3 Installation ........................................................................................................................................... 18
4.3 RADIUS RODS ............................................................................................................................................... 18
5. SUSPENSION AIR SYSTEM ............................................................................................................................. 19
5.1 INSPECTION.................................................................................................................................................. 19
5.2 AIR LINE TEST ............................................................................................................................................... 19
6. SUSPENSION HEIGHT ADJUSTMENT.............................................................................................................. 19
6.1 NORMAL RIDE HEIGHT ................................................................................................................................. 19
6.2 HEIGHT CONTROL VALVES ........................................................................................................................... 20
6.3 MAINTENANCE............................................................................................................................................. 20
6.3.1 Removal and installation ..................................................................................................................... 20
6.3.2 Air leakage test .................................................................................................................................... 20
7. FRONT KNEELING SYSTEM ............................................................................................................................ 21

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