PREVOST X3-45 2016 - Page 288

Section 16: SUSPENSION
PA1593
2
7. Front Kneeling System ...................................................................................................................... 25
7.1 P
RINCIPLE OF OPERATION .............................................................................................................. 25
7.2 MAINTENANCE ................................................................................................................................ 26
7.3 BELLOWS CONTROL SOLENOID VALVES ........................................................................................... 26
7.3.1 Removal And Installation ....................................................................................................... 26
8. Troubleshooting ................................................................................................................................. 26
9. Parts Specifications .......................................................................................................................... 27
ILLUSTRATIONS
F
IGURE 1: FRONT SUSPENSION COMPONENTS ................................................................................. 3
FIGURE 2: DETAILS OF FRONT SUSPENSION ....................................................................................................... 3
FIGURE 3: AIR SPRING ...................................................................................................................................... 3
FIGURE 4: SHOCK ABSORBER .......................................................................................................................... 5
FIGURE 5: TYPICAL SHOCK ABSORBER SETUP ................................................................................................... 6
FIGURE 6: TYPICAL RADIUS ROD SETUP ............................................................................................................ 6
FIGURE 7: RADIUS ROD BUSHING REMOVAL ....................................................................................................... 7
FIGURE 8: RADIUS ROD BUSHING INSTALLATION ................................................................................................. 7
FIGURE 9: RADIUS ROD INSTALLATION .............................................................................................................. 7
FIGURE 10: I-BEAM FRONT AXLE SWAY BAR ....................................................................................................... 8
FIGURE 11: REAR SUSPENSION COMPONENTS ................................................................................................. 13
FIGURE 12: SWAY BAR (REAR SUSPENSION) .................................................................................................... 13
FIGURE 13: REAR UNDERFRAME SUSPENSION ................................................................................................. 14
FIGURE 14: TAG AXLE SUSPENSION ................................................................................................................ 14
FIGURE 15: AIR SPRING ................................................................................................................................. 14
FIGURE 16: SHOCK ABSORBER ...................................................................................................................... 16
FIGURE 17: TYPICAL SHOCK ABSORBER SETUP ............................................................................................... 17
FIGURE 18: TYPICAL RADIUS ROD SETUP ........................................................................................................ 17
FIGURE 19: RADIUS ROD BUSHING REMOVAL................................................................................................... 17
FIGURE 20: RADIUS ROD BUSHING INSTALLATION ............................................................................................. 18
FIGURE 21: RADIUS ROD INSTALLATION .......................................................................................................... 18
FIGURE 22: TYPICAL RADIUS ROD SETUP ........................................................................................................ 18
FIGURE 23: BALL JOINTS ................................................................................................................................ 19
FIGURE 24: TYPICAL AIR SPRING CLEARANCE .................................................................................................. 21
FIGURE 25: FRONT HEIGHT CONTROL VALVE .................................................................................................... 21
FIGURE 26: REAR HEIGHT CONTROL VALVE ...................................................................................................... 22
FIGURE 27: I-BEAM FRONT SUSPENSION AIR TANKS LOCATION .......................................................................... 24
FIGURE 28: REAR VALVE LOCATION ................................................................................................................. 25
FIGURE 29: FRONT SERVICE COMPARTMENT ................................................................................................... 25