PREVOST X3-45 Multiplex - Page 970

Section 16: SUSPENSION
PA1562
2
3.15.1 Visual Inspection ...................................................................................................................21
3.15.2 Play Measurement ................................................................................................................21
3.16 F
RONT END ALIGNMENT..................................................................................................................21
3.16.1 Alignment Terminology..........................................................................................................22
3.16.2 Front End Inspection .............................................................................................................22
3.16.3 Front Wheel Camber.............................................................................................................23
3.16.4 Front Wheel Toe-In ...............................................................................................................23
3.16.5 Front Axle Caster ..................................................................................................................23
3.16.6 Major Damage.......................................................................................................................25
3.17 F
RONT AIR SPRINGS .......................................................................................................................25
3.17.1 Inspection ..............................................................................................................................25
3.17.2 Removal ................................................................................................................................25
3.17.3 Installation .............................................................................................................................25
3.18 S
HOCK ABSORBERS........................................................................................................................26
3.18.1 Shock Absorber Removal .....................................................................................................27
3.18.2 Shock Absorber Installation ..................................................................................................27
3.19 S
WAY BAR......................................................................................................................................27
3.19.1 Removal ................................................................................................................................27
3.19.2 Installation .............................................................................................................................27
4. REAR SUSPENSION..........................................................................................................................29
4.1 A
IR SPRINGS ..................................................................................................................................30
4.1.1 Inspection ..............................................................................................................................30
4.1.2 Removal ................................................................................................................................30
4.1.3 Installation .............................................................................................................................30
4.2 S
HOCK ABSORBERS........................................................................................................................31
4.2.1 Inspection ..............................................................................................................................31
4.2.2 Removal ................................................................................................................................32
4.2.3 Installation .............................................................................................................................32
4.3 R
ADIUS RODS.................................................................................................................................32
4.3.1 Inspection ..............................................................................................................................33
4.3.2 Removal ................................................................................................................................33
4.3.3 Bushing removal....................................................................................................................33
4.3.4 Bushing installation ...............................................................................................................33
4.3.5 Installation .............................................................................................................................34
5. SUSPENSION HEIGHT ADJUSTMENT.............................................................................................34
6. HEIGHT CONTROL VALVE ...............................................................................................................35
6.1 M
AINTENANCE ................................................................................................................................36
6.1.1 Removal and Installation.......................................................................................................36
7. AIR SYSTEM.......................................................................................................................................36
7.1 A
IR TANK MAINTENANCE .................................................................................................................36
7.1.1 Wet Air Tank..........................................................................................................................36
7.1.2 Primary Air Tank....................................................................................................................36
7.1.3 Secondary Air Tank...............................................................................................................36
7.1.4 Accessory Air Tank ...............................................................................................................38
7.1.5 Expansion Air Tank ...............................................................................................................38
7.2 E
MERGENCY FILL VALVES ...............................................................................................................38
8. HUB UNIT AND SWIVEL ASSEMBLY...............................................................................................38
9. FRONT KNEELING SYSTEM.............................................................................................................39
9.1 P
RINCIPLE OF OPERATION ..............................................................................................................39
9.2 M
AINTENANCE ................................................................................................................................39