PRIMAAX
®
EX / PRIMAAX
®
for Volvo Vehicles
Component Replacement 36 17730-254
FIGURE 8-10
THE USE OF A FLOOR JACK EQUIPPED WITH A FOUR INCH SUPPORT PLATE IS MANDATORY TO
SUPPORT THE SUPPORT BEAM AND CROSS TUBE U-BEAM ASSEMBLY. DO NOT USE A BOTTLE JACK.
THE USE OF A BOTTLE JACK WILL NOT ENGAGE THE CROSS TUBE TO FACILITATE SAFE LOWERING
AND RAISING OF THE SUPPORT BEAMS AND CROSS TUBE U-BEAM ASSEMBLY. FAILURE TO DO SO
CAN CAUSE COMPONENT DAMAGE OR RESULT IN PERSONAL INJURY.
10. Install a floor jack with a 4" support plate to support the U-beam assembly.
SERVICE HINT Each frame hanger will have a pair of QUIK-ALIGN collars. Note which type of QUIK-ALIGN collar
is removed from which frame hanger location to facilitate the assemble process. Any eccentric
(with the square drive feature) QUIK-ALIGN collar should be mounted on the outboard side of
the frame hanger. Axle thrust angles can only be corrected on frame hangers equipped with
eccentric QUIK-ALIGN collars.
11. Mark the position of the QUIK-ALIGN square drive in relationship to the frame hanger prior
to loosening the QUIK-ALIGN connection. This will facilitate the axle alignment process after
the repair is complete.
12. Loosen both the QUIK-ALIGN fasteners, DO NOT remove at this time.
13. Remove D-pin fasteners on both sides of the suspension and discard.
SERVICE HINT It may be necessary to rotate the QUIK-ALIGN eccentric collars to allow the full disengagement
of the D-pins into the bottom caps.
SERVICE HINT It may be necessary to raise the front of the differential to allow the D-pins to disengage the
bottom caps.
14. Lower the floor jack and pivot the U-beam assembly down.
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.
15. Remove the QUIK-ALIGN fasteners and discard.
16. Remove QUIK-ALIGN eccentric and concentric collars.
NOTE It may be necessary to use a pry bar to push the U-beam assembly out of the frame hangers.
17. Remove the U-beam assembly from the frame hangers.
18. Remove the U-beam assembly from the vehicle.
19. Inspect the U-beam assembly for any damage or wear and replace as necessary.
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