ProGear Hendrickson HN FR Series Service Manual page 33

HN ® FR Series
A BA R P I N S H I M M U S T B E
I N S TA L L E D AT E AC H B O LT
LOCATION. THE SAME PART
NUMBER SHIM IN THE SAME
ORIENTATION MUST BE USED
AT B OT H B O LT LO CAT I O N S
ON ANY ONE END BUSHING.
DO NOT INSTALL OR STACK
M O R E T H A N O N E S H I M AT
EACH BOLT LOCATION. USE
G E N U I N E H E N D R I C K S O N
BAR PIN SHIMS, DO NOT USE
STANDARD WASHERS. FAILURE
TO FOLLOW THESE WARNINGS
MAY RESULT IN IMPROPER
VEHICLE ALIGNMENT, FRACTURE
OF THE AXLE BRACKET OR BAR PIN WHICH COULD RESULT IN THE LOSS OF VEHICLE CONTROL AND
POSSIBLE PERSONAL INJURY OR PROPERTY DAMAGE.
THE BAR PIN ALIGNMENT SHIM (P/N 50130-000)
MUST BE INSTALLED WITH THE FOLDED EDGE
FACING AWAY FROM THE BUSHING, SEE FIGURE
8-15. FAILURE TO DO SO MAY RESULT IN SHIM
DAMAGE, IMPROPER ALIGNMENT, DAMAGE OR
FRACTURE OF THE AXLE BRACKET OR BAR PIN
WHICH COULD RESULT IN THE LOSS OF VEHICLE
CONTROL AND POSSIBLE PERSONAL INJURY OR
PROPERTY DAMAGE.
4. Partially install the FRONT INBOARD bar
5. To complete installation of the alignment shim, remove the temporary ¾" bolt from the
6. Install the NEW 1" inboard bar pin fasteners. DO NOT tighten at this time.
7. Repeat Steps 4 through 6 for the FRONT OUTBOARD alignment shim.
8. Chock the REAR drive axle wheels to prevent movement while installing the rear bar pin
9. Support the current axle position of the rear axle pinion with a jack to assist with the instal-
NOTE Prior to disassembly 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 pinion angle.
10. Disconnect the longitudinal torque rod from the axle bracket, see vehicle manufacturer's
11. Release the rear parking brakes, this will allow the rear axle to rotate without rotating the
12. Lower the rear drive pinion until the rear drive axle bracket legs are parallel to the rear bar
Component Replacement
Pro Gear and Transmission • 906 W. Gore St. Orlando, FL 32805 • 1 (877) 776-4600 / (407) 872-1901 • parts@eprogear.com
pin alignment shim and verify that the shim is in the same orientation as prior to disas-
sembly, see Figure 8-13.
inboard bar pin hole and complete installation of the inboard alignment shim.
into the axle bracket.
lation of the rear bar pin.
specifications.
tires.
pin flats, see Figure 8-16.
32
FIGURE 8-14
Lower Pinion
Equalizing Beam
FIGURE 8-15
Part Number
50130-000
3 16 / " Leg
NOTE: Folded edge in 50130-000 shim
must be positioned away from bushing
Rear
Axle Bracket
Bar Pin
Part Number Part Number
50131-000 57026-000
1 8 / " Leg 3 8 / " Leg
17730-285