PREVOST X3-45 2016 - Page 287

SECTION 16: SUSPENSION
PA1593
1
CONTENTS
1. Description ........................................................................................................................................... 3
2. I-Beam Axle Front Suspension ........................................................................................................... 3
2.1 A
IR SPRINGS .................................................................................................................................... 3
2.1.1 Inspection ................................................................................................................................ 3
2.1.2 Removal .................................................................................................................................. 4
2.1.3 Installation ............................................................................................................................... 4
2.2 S
HOCK ABSORBERS .......................................................................................................................... 4
2.2.1 Inspection ................................................................................................................................ 5
2.2.2 Removal .................................................................................................................................. 5
2.2.3 Installation ............................................................................................................................... 6
2.3 R
ADIUS RODS ................................................................................................................................... 6
2.3.1 Radius Rod Inspection ............................................................................................................ 6
2.3.2 Radius Rod Removal .............................................................................................................. 6
2.3.3 Bushing Removal .................................................................................................................... 6
2.3.4 Bushing Installation ................................................................................................................. 7
2.3.5 Radius Rod Installation ........................................................................................................... 7
2.4 S
WAY BAR ........................................................................................................................................ 8
2.4.1 Removal .................................................................................................................................. 8
2.4.2 Installation ............................................................................................................................... 8
2.5 T
ORQUE SPECIFICATIONS .................................................................................................................. 9
3. Rear Suspension ................................................................................................................................ 13
3.1 A
IR SPRINGS .................................................................................................................................. 14
3.1.1 Inspection .............................................................................................................................. 14
3.1.2 Removal ................................................................................................................................ 14
3.1.3 Installation ............................................................................................................................. 15
3.2 S
HOCK ABSORBERS ........................................................................................................................ 15
3.2.1 Inspection .............................................................................................................................. 16
3.2.2 Removal ................................................................................................................................ 16
3.2.3 Installation ............................................................................................................................. 16
3.3 R
ADIUS RODS ................................................................................................................................. 17
3.3.1 Rear Underframe Suspension ............................................................................................... 17
3.3.2 Tag Axle Suspension ............................................................................................................ 18
3.4 T
ORQUE SPECIFICATIONS ................................................................................................................ 20
4. Suspension Height Adjustment ....................................................................................................... 21
5. Height Control Valve .......................................................................................................................... 22
5.1 M
AINTENANCE ................................................................................................................................ 22
5.2 R
EMOVAL AND INSTALLATION .......................................................................................................... 22
6. Air System .......................................................................................................................................... 23
6.1 A
IR TANK MAINTENANCE ................................................................................................................. 23
6.1.1 Wet Air Tank .......................................................................................................................... 23
6.1.2 Primary Air Tank .................................................................................................................... 23
6.1.3 Secondary Air Tank ............................................................................................................... 23
6.1.4 Accessory Air Tank ............................................................................................................... 24
6.1.5 Kneeling Air Tank .................................................................................................................. 24
6.1.6 Parking Brakes Overrule Air Tank ......................................................................................... 24
6.2 E
MERGENCY FILL VALVES ............................................................................................................... 25