Specifications

Alignment & Adjustments 48 17730-248

AIRTEK

•

SOFTEK

for Blue Bird Buses

SPRING EYE RE-TORQUE

This procedure to re-torque is necessary when replacing

■

Front Hanger

■

Shackle Assembly

■

Steel Leaf Spring Assembly

AIRTEK RE-TORQUE PROCEDURE

FIGURE 8-21

1. Chock the rear wheels of the vehicle to prevent movement.

2. Verify ride height. Adjust if necessary, see AIRTEK Ride Height adjustment procedure in

this section.

3. Loosen all six (6) front and rear spring eye bolts, see Figure 8-21.

FIGURE 8-22

NOTE DO NOT remove the spring eye bolts.

4. Let the suspension settle.

5. Tighten the front M20 spring eye bolt locknuts to

vehicle manufacturer's specifications.

6. Tighten the rear M20 spring eye bolt and shack-

le bolt locknuts to vehicle manufacturer's

specifications.

7. Affix a straight edge to the bottom of the frame

rail in front of the air spring, see Figure 8-22.

8. With the vehicle on a level surface measure the

distance from the top of the straight edge to the

ground on both sides of the vehicle and record

the measurements.

9. Measure the difference from one side to the other.

10. Do a road test and repeat measurement steps

7 to 9.

11. If the measurement is less than

⁄8" the vehicle is

level. If measurement is more than

⁄8" contact

Hendrickson Tech Services.

APPENDIX

SERVICE MANUAL