17730-299
55
Component Replacement
ULTIMAAX
®
for Fire and Rescue Vehicles
2 .
Straddle Mount Bar Pin Bushing
—When servicing a straddle mount bar pin bushing assem-
bly, mark the clocking position of the straddle mount bar pin flats with a paint stick on the
torque rod end hub prior to disassembly, see Figure 8-55 . This marking will serve as a guide
when installing the new bushing so the original clocking position can be retained .
3 .
Taper Pin Bushing
— Remove the fastener and the concave washer from the taper pin
bushing .
4 . Support the torque rod end hub and centered on the receiving tool (for a tapered bushing,
have the tapered stud pointing down) . Ensure the torque rod is squarely supported on the
press bed for safe ty .
5 . Install the removal tool, see Figure 8-56 .
6 . Press directly on the removal tool until the bushing clears the torque rod end hub, see
Figure 8-57 .
FIGURE 8-55
FIGURE 8-56
FIGURE 8-57
BUSHING INSTALLATION
1 . Clean and inspect the inner diameter of the torque rod end hubs, see Figure 8-58 .
SERVICE HINT
DO NOT
use a paraffinic oil, or soap base lubricant . Such lubricants can cause adverse reactions
with the bushing, causing premature failure .
2 . Lubricate the inner diameter of the torque rod end hubs and the outer metal of new bushings
with NLGI #2 EP grease, see Figure 8-59 .
FIGURE 8-58
FIGURE 8-59
Torque Rod
Bushing
Receiving Tool
Torque Rod
Bushing
Installation /
Removal Tool
Mark the clocking position of the
bar pin flats with a paint stick
on the torque rod end hub
Apply NLGI #2-EP (Extreme Pressure)
lubricant to the inner diameter of torque
rod end hub and bushings
Inspect and clean the inner
diameter of torque rod
end hubs