ProGear Hendrickson HN FR Series Service Manual page 34

NOTE
NOTE
SERVICE HINT
17730-285
Pro Gear and Transmission • 906 W. Gore St. Orlando, FL 32805 • 1 (877) 776-4600 / (407) 872-1901 • parts@eprogear.com
13. Mount the equalizing
beam into the REAR
drive axle brackets. DO
NOT install the bar pin
alignment shims at this
time.
14. Slide a ¾" bolt through
all rear axle bracket
and the bar pin holes to
temporarily support the
beams.
15. Partially install the REAR
INBOARD bar pin align-
ment shim and verify that the shim is in the same orientation as prior to disassembly, see
Figure 8-13.
16. To complete installation of the alignment shim, remove the temporary ¾" bolt from the
inboard bar pin hole and complete installation of the inboard alignment shim.
17. Install NEW 1" inboard bar pin fasteners. DO NOT tighten at this time.
18. Repeat steps 15 through 17 for the REAR OUTBOARD bar pin alignment shim.
19. Install the longitudinal torque rod as per the vehicle manufacturer's specifications.
20. Re-apply rear parking brake.
Prior to assembly of the longitudinal torque rod, note the quantity and orientation of the
longitudinal torque rod shims. It is required that the longitudinal torque rod shims are installed
in the same orientation and location as removed to preserve the existing alignment.
21. Install the longitudinal torque rod and any longitudinal torque rod shims in the same orienta-
tion as prior to disassembly. Tighten the fasteners to the vehicle manufacturer's specifications.
22. Re-apply rear parking brake.
Prior to assembly of the rear fasteners, ensure that all the bar pin shims are installed in the same
orientation as prior to disassembly.
23. Tighten the bar pin locknuts to
head, tighten to 500-650 foot pounds torque.
24. Remove the frame supports and lower the frame until the Vee bracket lightly touches the
equalizing beam.
25. Slowly lower the frame while ensuring the alignment pins on the top of the equalizing
beam engage the hole in the Vee bracket. Lower the frame until the weight of the vehicle
is supported by the suspension.
26. Ensure the Vee bracket is fully seated on the equalizing beam and the alignment pins on
the top of the equalizing beam are fully engaged in the Vee bracket holes, see Figure 8-17.
27. Install the fasteners that attach the Vee bracket to the equalizing beam. Tighten the fasten-
220-300 foot pounds torque.
ers to
Access to the lower anchor plate assembly fasteners can be gained from the outboard side of
the equalizing beam.
FIGURE 8-16
Front Axle Bracket
Bar Pin
Parallel
Equalizing Beam
450-600 foot pounds torque, or if tightening on the bolt
33
HN ® FR Series
Raise or lower the rear of
the equalizing beam until
the front bar pin and axle
bracket legs are parallel
Component Replacement