Shock Absorbers - ProGear Hendrickson HN FR Series Service Manual

17730-285
Pro Gear and Transmission • 906 W. Gore St. Orlando, FL 32805 • 1 (877) 776-4600 / (407) 872-1901 • parts@eprogear.com
FIGURE 8-8
Saddle
Auxiliary Spring
Assembly
Bolster Spring
7
/ " Bolster Spring
16
Lower Locknuts
Tighening Torque
33-45 ft. lbs.
Shock Absorber

SHOCK ABSORBERS

DISASSEMBLY
1. Remove the shock absorbers by loosening and removing the 5/8" locknuts, retainer wash-
ers, flat washers, and rubber bushings from the bottom and top of both shock absorbers,
see Figure 8-9.
FIGURE 8-9
ASSEMBLY
1. Replace the shock absorbers by installing the
ers and rubber bushings from the bottom and top of both shock absorbers as shown in
Figures 8-10 and 8-11 .
2. The larger 0.81" I.D. flat washers fit over the shoulder of the upper mount shock stud, and
the smaller 0.66" I.D. flat washers are then installed over the threaded end of the upper
mount shock stud, see Figure 8-10.
3. Install on lower shock a retainer washer, rubber bushing above shock mount, then install a
rubber bushing, retainer washer and 5/8" locknut below the shock mount, see Figure 8-11.
Torque all locknuts to
Anchor Plate Assembly
Rebound Strap
Vee Bracket
Larger Washer 0.81 I.D.
Smaller Washer 0.66 I.D.
5 / " UNF locknuts, retainer washers, flat wash-
8
70-90 foot pounds.
29
HN ® FR Series
7 16 / " Bolster Spring
Upper Locknuts
Tightening Torque
33-45 ft. lbs.
¾" Vee Bracket Locknuts
Tighening Torque
220-300 ft. lbs.
Equalizing Beam
Component Replacement