PRIMAAX
®
EX / PRIMAAX
®
for Volvo Vehicles
17730-254
43
Component Replacement
20. Use gloves when applying sealant; apply sealant 360 degrees over tamper resistant cap
edges, ensure there are no voids or gaps in sealant after application, see Figure 8-22.
21. Use gloves when applying sealant; apply sealant 360 degrees around cross tube/support
beam connection, ensure there are no voids or gaps in sealant after application, see
Figure 8-23.
NOTE
DO NOT
allow the sealant to interfere with air spring mounting.
22. Install the air spring between the frame and cross tube.
a.
PRIMAAX EX
— Ensure the slot in the bottom of the air spring engages the “beam
notch” on the top of the beam.
b.
PRIMAAX
— Ensure the “V” notch in the end cap engages the air spring locator tab
on the air spring.
23. Using HAND TOOLS only, install the lower mounting fasteners and tighten to 20-30 foot
pounds torque.
24. Install the wheels and remove the axle support(s).
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.
25. See additional Air Spring Cautions and Warnings in the Important Safety Notice Section of
this publication prior to deflating or inflating the air system.
26. Connect the height control valve linkage assembly to the height control valve arm(s) to
inflate the suspension.
27. Remove the frame support
28. Remove the wheel chocks.
29. Verify the ride height is correct, refer to Alignment & Adjustments Section of this publication.
NOTE
Alignment and QUIK-ALIGN final torque is necessary anytime the support beam is removed.
30. Check the alignment and adjust if necessary, refer to Alignment & Adjustments Section of
this publication.
31. Once the correct axle alignment is achieved, use a calibrated torque wrench to tighten the
1" QUIK-ALIGN locknuts to 525–575 foot pounds torque.
QUIK-ALIGN PIVOT BUSHING
DISASSEMBLY
You will need:
■
A vertical shop press with a capacity of at least 10 tons.
■
A QUIK-ALIGN pivot bushing installer, remover and receiver tool. See Special Tools
Section of this publication.
1. Remove the support beam assembly. Follow the D-pin Bushing Disassembly Steps 1
through 8 in this section.
2. Center the pivot bushing remover tool on the inner sleeve and press out the old bushing,
(these bushings are not cartridge type bushings, they do not have outer metals), see Fig-
ures 8-24 and 8-25.
3. Clean and inspect the I.D. of the support beam eye.