Specifications

17730-248 47 Alignment & Adjustments
AIRTEK
®
•
SOFTEK
®
for Blue Bird Buses
8. Install the trammel bar and measure the distance between the scribe marks at the front
of the steer axle tires. Record the measurement, see Figure 8-19.
NOTE When setting up the trammel bar the pointers should be level with the spindles at the front
and rear of the steer axle tires.
9. To calculate the toe setting subtract the front measurement from the rear measurement,
the difference between the two will equal the toe-in/toe-out measurement.
FIGURE 8-19
10. If the toe measurement is not within the specifications of
1
/ 16 "±
1
/ 32 "
(0.060" ± 0.030"), it will be necessary to adjust the toe setting. Refer to the following
procedure.
a. Loosen the tie rod cross tube clamp bolts and locknuts.
b. Turn the tie rod cross tube until the specified toe-in distance is achieved.
THE THREADED PORTION OF THE TIE ROD END MUST EXTEND PAST THE SLOTS INTO THE TIE ROD
CROSS TUBE, SEE FIGURE 8-20. FAILURE TO DO SO CAN CAUSE COMPONENT TO FAIL CAUSING
LOSS OF VEHICLE CONTROL AND POSSIBLE PERSONAL INJURY OR PROPERTY DAMAGE.
FIGURE 8-20
c. Tighten the bolt and locknut on the tie rod cross tube to 60-75 foot pounds torque.
11. Repeat steps 1-9 until the correct toe setting is achieved.
SERVICE MANUAL
L
89
FRONT AXLE & SUSPENSION
1
APPENDIX