16-1
SECTION 16: SUSPENSION
CONTENTS
1. DESCRIPTION......................................................................................................................................... 16-3
2. AIR SPRING ............................................................................................................................................ 16-4
2.1 Inspection........................................................................................................................................ 16-4
2.2 Removal.......................................................................................................................................... 16-4
2.3 Installation....................................................................................................................................... 16-4
3. SHOCK ABSORBER............................................................................................................................... 16-5
3.1 Inspection........................................................................................................................................ 16-5
3.2 Removal.......................................................................................................................................... 16-5
3.3 Installation....................................................................................................................................... 16-6
4. RADIUS ROD........................................................................................................................................... 16-6
4.1 Inspection........................................................................................................................................ 16-6
4.2 Removal.......................................................................................................................................... 16-7
4.3 Bushing Removal ........................................................................................................................... 16-7
4.4 Bushing Installation......................................................................................................................... 16-7
4.5 Installation....................................................................................................................................... 16-7
5. SWAY BAR 16-8
5.1 Removal.......................................................................................................................................... 16-8
5.2 Installation....................................................................................................................................... 16-8
6. SUSPENSION AIR SYSTEM .................................................................................................................. 16-9
6.1 Description...................................................................................................................................... 16-9
6.2 Inspection........................................................................................................................................ 16-9
6.3 Air Line Test.................................................................................................................................... 16-9
6.4 Air Tank Maintenance..................................................................................................................... 16-9
7. SUSPENSION HEIGHT ADJUSTMENT................................................................................................. 16-9
8. HEIGHT CONTROL VALVE.................................................................................................................. 16-10
8.1 Operation...................................................................................................................................... 16-10
8.1.1 Loading Position ................................................................................................................ 16-10
8.1.2 Neutral Position.................................................................................................................. 16-10
8.1.3 Unloading Position............................................................................................................. 16-10
8.2 Maintenance ................................................................................................................................. 16-10
8.2.1 Removal and Installation ................................................................................................... 16-11
8.2.2 Air Leakage Test................................................................................................................ 16-11
9. FRONT KNEELING AND HI-BUOY SYSTEM (IF APPLICABLE)........................................................ 16-12
9.1 Principles of Operation ................................................................................................................. 16-12
9.2 Maintenance ................................................................................................................................. 16-12
9.3 Keeling Sense Switch................................................................................................................... 16-13
9.4 Bellows Control and Exhaust Solenoid Valves............................................................................ 16-13
9.4.1 Removal and Installation ................................................................................................... 16-13
10. HI-BUOY SYSTEM ................................................................................................................................ 16-13
10.1 Principles of Operation ................................................................................................................. 16-13
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