Specifications

Component Replacement 88 17730-248
AIRTEK
®
•
SOFTEK
®
for Blue Bird Buses
FIGURE 9-65 FIGURE 9-66 FIGURE 9-67
KINGPIN BUSHING REAMING
REAM THE KINGPIN BUSHINGS WITH AN ADJUSTABLE STRAIGHT FLUTE REAMER. (SEE
SPECIAL TOOLS SECTION OF THIS PUBLICATION) DO NOT HONE OR BURNISH THE KINGPIN
BUSHINGS. HONING OR BURNISHING WILL DAMAGE THE BUSHINGS AND VOID WARRANTY.
WHEN INSTALLING STEERING KNUCKLE COMPONENTS IN A VISE IT IS NECESSARY TO
PROTECT THE MACHINED SURFACES FROM GOUGES OR MARRING BY USING BRASS JAWS.
FAILURE TO DO SO CAN CAUSE PREMATURE PART DAMAGE, DAMAGE TO THE STEERING
KNUCKLE COMPONENTS, LOSS OF WARRANTY, LOSS OF VEHICLE CONTROL, CAUSING
PERSONAL INJURY OR PROPERTY DAMAGE.
1. Install the lower steering knuckle assembly in a vise with brass jaws.
SERVICE HINT It is acceptable to mount the knuckle components in a vise either vertically or horizontally
when performing the reaming procedure.
2. Install the reamer into the lower steering knuckle until the blades touch the kingpin
bushing.
3. Rotate the reamer with light downward pressure. Rotate the reamer smoothly. Do not
apply too much pressure, see Figures 9-68 and 9-69.
FIGURE 9-68 Lower Steering Knuckle in Vise FIGURE 9-69 Upper Steering Knuckle in Vise
L
130
1
APPENDIX
SERVICE MANUAL