Component Replacement
52
17730-299
ULTIMAAX
®
for Fire and Rescue Vehicles
ASSEMBLY
1 . Install longitudinal torque rod .
2 . Install the fasteners and any shims that were removed to the cross member and axle brackets .
NOTE
Hendrickson recommends the use of Grade 8 bolts and Grade C locknuts . If flange head bolts and
locknuts are not used then hardened structural washers must be used under bolt heads and locknuts .
3 . Tighten all fasteners to vehicle manufacturer’s torque specifications .
4 . Verify proper pinion angle, and correct with drop in shims between the torque rod bar pin and
the cross member or axle bracket depending on the direction of adjustment needed . Contact
the vehicle manufacturer for proper pinion angle specifications .
5 . Remove wheel chocks .
■
TRANSVERSE TORQUE RODS
DISASSEMBLY
1 . Chock the front wheels of the vehicle .
SERVICE HINT
Note the quantity and location of shims removed to maintain the lateral alignment of the axle
during assembly . See Alignment & Adjustments Section of this publication .
2 . Remove the torque rod mounting fasteners .
3 . Remove the transverse torque rod, see Figure 8-46 .
4 . Inspect the mounting surfaces for any wear or damage . Repair or replace as necessary .
ASSEMBLY
1 . Install the transverse torque rod .
2 . Install the mounting fasteners and any shims that were removed .
NOTE
Hendrickson recommends the using Grade 8 bolts and Grade C locknuts for all torque rod
attachments .
3 . Prior to tightening, ensure that the vehicle is at the proper ride height . Tighten all fasteners to
the required torque specification . Refer to original equipment manufacturer for specifications .
4 . Check the lateral alignment . If not within vehicle manufacturer’s specified range, a lateral
alignment is necessary . See Lateral Alignment in the Alignment & Adjustments Section of this
publication .
5 . Remove the wheel chocks .
TORQUE ROD BUSHINGS
■
ULTRA ROD PLUS,
see Figure 8-47
FIGURE 8-47
You will need:
■
A vertical press with a capacity of at least
10 tons
■
Shop made receiving tool and installation/
removal tool, refer to the Special Tools Selection
of this publication for more information
■
Funnel Tool No . 66086-000, refer to the Special
Tools Selection of this publication for more
information
Straddle Pin Bushing
Taper Pin Bushing