PRIMAAX
®
EX / PRIMAAX
®
for International Truck Vehicles
Component Replacement
60
17730-283
FIGURE 8-35
IT IS MANDATORY TO USE A FLOOR JACK EQUIPPED WITH A FOUR INCH CONTACT PLATE TO SUPPORT
THE U-BEAM ASSEMBLY AT THE CROSS TUBE TO FACILITATE SAFE LOWERING AND RAISING OF THE
U-BEAM ASSEMBLY. DO NOT USE A BOTTLE JACK. A BOTTLE JACK DOES NOT HAVE ENOUGH CONTACT
AREA AND CAN BE UNSTABLE. FAILURE TO DO SO CAN CAUSE COMPONENT DAMAGE OR RESULT IN
PERSONAL INJURY.
THE
WEIGHT
OF
THE
U-BEAM ASSEMBLY IS APPROXIMATELY 225 POUNDS. CARE SHOULD BE TAKEN
AT REMOVAL AND INSTALLATION TO PREVENT PERSONAL INJURY OR DAMAGE TO COMPONENTS.
9. Support
the
U-beam assembly at the cross tube with a floor jack or jackstand that is
equipped with a 4" contact plate.
10. Remove and discard the D-Pin ¾ fasteners from both sides of the support beam.
11. Raise the front of the differential to facilitate removal of the D-Pins from the bottom caps.
12. Lower the floor jack to pivot the
U-beam assembly down from the bottom caps.
13. Remove and discard the lower shock absorber mounting fasteners.
FIGURE
8-36
14. Pivot the lower shock mount
out of the bottom cap.
15. Remove and discard the
S-cam support bracket fas-
teners and support bracket (if
equipped), see Figure 8-36.
16. Remove and discard the
U-bolt fasteners from the
clamp group.
17. Remove the bottom cap and
inspect for damage or wear.
Replace as necessary.
ASSEMBLY
1. I n s t a l l t h e t o p p a d ( i f
removed) on the top of the
axle engaging the dowel pin.
Care should be taken to ensure the taller ear of the top pad is mounted to the inboard side
of the suspension, see Figure 8-37.
2. Install the bottom cap and axle spacer (if equipped) on the axle in the proper direction, with
the lower shock mounting holes facing the rear of the vehicle.
Pro Gear and Transmission • 906 W. Gore St. Orlando, FL 32805 • 1 (877) 776-4600 / (407) 872-1901 • [email protected]
