PRIMAAX
®
EX / PRIMAAX
®
for International Truck Vehicles
Component Replacement
40
17730-283
ASSEMBLY
1. Inspect the mounting surfaces and lower air spring mounting bracket for any damage,
replace if necessary.
FAILURE TO PRESS THE UPPER AIR SPRING BRACKET AGAINST THE UNDERSIDE OF THE FRAME
FLANGE WHILE TIGHTENING THE UPPER AIR SPRING BRACKET CAN RESULT IN COMPONENT DAMAGE
AND PERSONAL INJURY OR PROPERTY DAMAGE.
2. Hold the upper air spring bracket tight against the frame flange and tighten the upper air
spring mounting fastener per the vehicle manufacturer’s specifications.
3. Install the air spring between the frame and cross tube, see Figure 8-1.
a.
PRIMAAX EX
— Ensure the
“air spring slot”
located in the bottom of the air spring
engages the
“beam notch”
on the top of the support beam.
b.
PRIMAAX
— Ensure the
“V” notch
in the end cap engages the
“locator tab”
on the
air spring.
FIGURE 8-1
4. Install the lower air spring mounting bracket around the cross tube, engaging the mounting
air spring studs, see Figure 8-1.
5. Using
HAND TOOLS
install the lower mounting fasteners and tighten to 20-30 foot
pounds torque.
6. Reconnect the air line to the air spring.
7. See additional Air Spring Cautions and Warnings in the Important Safety Notice Section of
this publication prior to deflating or inflating the air system.
8. Inflate the suspension slowly and verify that the air spring bladder inflates uniformly without
binding.
9. Connect the height control valve linkage(s) to the height control valve arm(s) to inflate the
suspension.
10. Remove the frame supports.
11. Verify the ride height is within specification, refer to vehicle manufacturer for proper ride
height adjustment.
12. Remove the wheel chocks.
Pro Gear and Transmission • 906 W. Gore St. Orlando, FL 32805 • 1 (877) 776-4600 / (407) 872-1901 • [email protected]
