Specifications

Component Replacement 60 17730-248
AIRTEK
®
•
SOFTEK
®
for Blue Bird Buses
FIGURE 9-14
ASSEMBLY
1. Install the shackle bracket on the frame.
2. Install new frame fasteners. Follow manufacturer's guidelines.
3. Install the thrust washers (if equipped) and shackle plates with the M20 bolts, wash-
ers and locknuts. Snug the shackle bolts. DO NOT tighten.
4. Remove the frame stands and lower frame.
PRIOR TO AND DURING DEFLATION AND INFLATION OF THE FRONT AIR SUSPENSION SYSTEM,
ENSURE THAT ALL PERSONNEL AND EQUIPMENT ARE CLEAR FROM UNDER THE VEHICLE AND
AROUND THE SERVICE AREA, FAILURE TO DO SO CAN CAUSE SERIOUS PERSONAL INJURY,
DEATH, OR PROPERTY DAMAGE.
5. See additional Air Spring Cautions and Warnings in the Important Safety Notice Section
of this publication prior to inflating or deflating the suspension system.
6. Install the air lines into the air springs.
7. Install the height control valve linkage and inflate the suspension to normal ride height.
8. Tighten M20 shackle locknuts to vehicle manufacturer's specifications, see Figures
9-13 and 9-14.
9. Remove the wheel chocks.
SOFTEK REAR SHACKLE BRACKET
DISASSEMBLY
1. Place the vehicle on level floor.
2. Chock the wheels.
3. Raise the frame.
4. Support the vehicle with frame stands.
5. Suspend the front axle from the shocks.
6. Remove the rear M20 spring eye and shackle pivot bolts, washers and locknuts.
SERVICE HINT A bottle jack may be required to raise the axle slightly to facilitate removal of the rear spring
eye bolt.
7. Remove the frame fasteners from the shackle bracket. See manufacturer's guidelines.
8. Remove the shackle bracket from the vehicle, see Figures 9-15 and 9-16.
L
102
1
APPENDIX
SERVICE MANUAL