PRIMAAX
®
EX / PRIMAAX
®
for Volvo Vehicles
Component Replacement
50
17730-254
15. Install the lower air spring mounting bracket around the cross tube, engaging the mounting
studs on the air Spring. Using
HAND TOOLS
install the lower mounting fasteners and tighten
to 20-30 foot pounds torque.
16. Install the wheels and remove axle support.
17. Remove the jack stands and lower the frame of vehicle.
18. See additional Air Spring Cautions and Warnings in the Important Safety Notice Section of
this publication prior to deflating or inflating the air system.
19. Connect the leveling valve link rod(s) to the height control valve arm(s) to inflate the
suspension.
20. Alignment is necessary anytime the support beam is removed to complete the repair. See
Alignment & Adjustments Section of this publication.
21. Remove the wheel chocks.
AXLE STOPS
DISASSEMBLY
1. Chock the wheels.
2. Remove the fasteners connecting the axle stop to the frame.
3. Remove the axle stop.
4. Inspect the frame rail mounting surfaces for any cracks or damage.
ASSEMBLY
1. Install the axle stop on the frame.
2. Install new mounting fasteners.
3. Tighten axle stop fasteners to the vehicle manufacturers torque specifications.
4. Remove the wheel chocks.
FRAME HANGER
THIS PROCEDURE TO REPLACE A FRAME HANGER, IS DONE WITH THE OTHER REMAINING FRAME
HANGERS CONNECTED TO THE FRAME AND IT IS ALSO NECESSARY THAT THE SUPPORT BEAMS AND
THE LONGITUDINAL TORQUE RODS ARE ATTACHED TO THE OTHER REMAINING FRAME HANGERS.
FAILURE TO DO SO COULD CAUSE THE AXLE TO SHIFT RESULTING IN POSSIBLE DAMAGE TO
COMPONENTS OR PERSONAL INJURY.
DISASSEMBLY
1. Chock the front wheels.
2. Support the frame.
3. Disconnect the height control valve linkage assembly from the height control valve arm(s)
from the rubber grommet (see vehicle manufacturers instructions).
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.
4. See additional Air Spring Cautions and Warnings in the Important Safety Notice Section of
this publication prior to deflating or inflating the air system.
5. Lower the leveling valve arm(s) to exhaust the air in the air springs and deflate the rear
suspension.