Drive Axle - MCi J4500 Operator's Manual

4. Before the tire is completely off the ground,
loosen the wheel nuts.
5. Raise the wheel completely, remove the run-up
block, and remove the wheel nuts and the wheel and
tire assembly.
6. Mount the wheel on the hub pilot.
7. Torque the wheel nuts to 450-500 ft.-lbs using
the criss-cross sequence shown (Figure 93.).
Re-torque wheel nuts after 100 miles.
Figure 93.

Drive Axle

1. Run the inflated tire up onto the run-up block.
Stop the coach and apply the parking brake.
2. Place the bottle jack under the drive axle (
Figure 94 ) so that the jack ram pad fits the recess at
the bottom of the jacking pad. The jack pad is on the
rear face of the drive axle beam below the suspension
support structure attachment. Partially raise the
wheel.
June 2016
Figure 94.
3. Before the tire is completely off the ground,
loosen the wheel nuts.
The wheel and tire assemblies weigh more
than 200 lbs. (90 Kg). Use caution when
loosening the wheel nuts, and when lifting the
wheel off the hub.
4. Raise the wheel completely, remove the run-up
block, and remove the wheel nuts and the wheel and
tire assemblies as required.
The drive axle wheel nuts are hub mounted:
the wheel nuts hold both the outer and inner
wheels. Take care when removing the nuts
and tire assemblies.
5. Ensure that both wheels are properly seated on
the hub pilot before tightening the nuts fully. Torque
wheel nuts to 450-500 ft.-lbs using the criss-cross
sequence shown in Figure 93.
Re-torque wheel nuts after 100 miles.
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