Specifications

Component Replacement 68 17730-248
AIRTEK
®
•
SOFTEK
®
for Blue Bird Buses
FIGURE 9-23
10. Tighten the clamp group locknuts evenly in 50 foot pounds increments
to 285-305 foot pounds torque in the proper pattern to achieve uni-
form bolt tension, see Figure 9-23.
11. Remove the frame supports and load the front axle with the vehicle
weight.
12. Tighten the M20 spring eye bolt locknuts to vehicle manufacturer's specifications.
FRONT LEAF SPRING EYE BUSHINGS
The spring eye bushings for the AIRTEK and SOFTEK spring and wrap leaf assemblies are
designed to provide extended service life. If premature wear occurs careful consideration
must be given to the contributing factor that caused the wear. This must be corrected in
order to prevent the new bushing from wearing in the same manner. The front and rear
bushings are permanently installed in the spring leaf and are not serviceable. If a bushing
wears prematurely, the spring and wrap leaf assembly must be replaced. Follow the pro-
cedure for the Front Leaf Spring removal in the Component Replacement Section of this
publication.
AIRTEK/SOFTEK SHOCK ABSORBER – VISION (8K/10K)
It is not necessary to replace shock absorbers in pairs if only one shock requires replacement.
DISASSEMBLY
1. Remove the ¾" lower mounting bolt, fasteners, and spacer.
2. Remove the ¾" upper mounting bolt and fasteners.
3. Slide the shock absorber out of the upper bracket and off of the lower mounting bolt.
4. Inspect the shock absorber mounting brackets and hardware for damage or wear,
replace as necessary.
FIGURE 9-24
ASSEMBLY
1. Install the shock absorber into the upper mounting bracket.
2. Install the upper ¾" shock mounting bolt, washers and locknut.
Top Axle Wrap
¾" Lower Shock Locknut
Tightening torque
*125-135 ft. lbs.
Shock
Absorber
Spacer
¾" Bolt
¾" Washer
¾" Washer
Apply a thin coating
of anti-seize compound
to the shock absorber
lower mounting bolt shank,
to the mating face of the axle wrap,
and spacer, and to the inside bore
of the aluminum top axle wrap
*Specification provided, controlled and subject to change by vehicle manufacturer.
L
110
1
APPENDIX
SERVICE MANUAL