PRIMAAX
®
EX / PRIMAAX
®
for International Truck Vehicles
Alignment & Adjustments
36
17730-283
a. If all pinion angles are within the vehicle manufacturer’s specifications then proceed
to Step 16.
b. If any pinion angle is out of the vehicle manufacturer’s specifications it must be
corrected. Follow the correct Pinion Angle Adjustment procedure in this section.
16. Recheck measurements to confirm adjustments. Repeat Steps 10 through 15 until the cor-
rect alignment and pinion angles are achieved.
17. When all drive axle alignments and pinion angles are within the vehicle manufacturer’s
specifications then the alignment procedure is complete.
ALIGNMENT ADJUSTMENT INSTRUCTIONS
SERVICE HINT
The eccentric collars (with the square drive feature) are located on the outboard side of the
frame hangers with the concentric collars on the inboard side. The total range of fore/aft axle
adjustment is 1.0" ± ½".
SERVICE HINT
A suspension equipped with eccentric QUIK-ALIGN collars on both sides of an axle can be
adjusted on both sides. A suspension equipped with an eccentric QUIK-ALIGN collar on only
one side of the axle can be adjusted only on the side that has the eccentric QUIK-ALIGN collar.
Contact the vehicle manufacturer for specifications.
FIGURE 7-2
DISCARD USED QUIK-ALIGN FASTENERS. ALWAYS USE NEW QUIK-ALIGN FASTENERS TO COMPLETE
A REPAIR. FAILURE TO DO SO COULD RESULT IN FAILURE OF THE PART, OR MATING COMPONENTS,
LOSS OF VEHICLE CONTROL, PERSONAL INJURY, OR PROPERTY DAMAGE.
DO NOT ASSEMBLE QUIK-ALIGN JOINT WITHOUT THE PROPER FASTENERS. USE ONLY HENDRICKSON
GENUINE FASTENERS WITH SPECIAL COATING (H-COAT) TO SUSTAIN PROPER CLAMP FORCE. FAILURE
TO DO SO CAN CAUSE LOSS OF VEHICLE CONTROL, PROPERTY DAMAGE OR PERSONAL INJURY AND
VOID WARRANTY. ENSURE THAT THE QUIK-ALIGN FASTENER’S TORQUE VALUES ARE SUSTAINED AS
RECOMMENDED IN THE TORQUE SPECIFICATIONS SECTION OF THIS PUBLICATION. FAILURE TO DO SO
CAN CAUSE LOSS OF VEHICLE CONTROL RESULTING IN PERSONAL INJURY OR PROPERTY DAMAGE.
1. Support the frame at ride height.
PRIOR TO AND DURING DEFLATION AND INFLATION OF THE 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.
2. See additional Air Spring Warnings and Instructions in the Important Safety Notice Section
of this publication prior to deflating or inflating the suspension system.
3. Disconnect the height control linkage assembly from the height control valve arm. Lower
the height control valve arm to exhaust the air in the air springs and deflate the rear sus-
pension, see vehicle manufacturer’s instructions.
SOME VEHICLE APPLICATIONS, SUCH AS VEHICLES EQUIPPED WITH OUTRIGGERS, RETAIN SOME AIR
PRESSURE IN THE AIR SPRINGS AT ALL TIMES. PRIOR TO PERFORMING ANY MAINTENANCE, SERVICE,
OR REPAIR OF THE SUSPENSION, VERIFY EACH AIR SPRING IS COMPLETELY DEFLATED. FAILURE TO
DO SO COULD RESULT SERIOUS PROPERTY DAMAGE AND/OR SEVERE PERSONAL INJURY.
Pro Gear and Transmission • 906 W. Gore St. Orlando, FL 32805 • 1 (877) 776-4600 / (407) 872-1901 • [email protected]
