Figure 3-15: Rear Axle Assembly; Figure 3-16: Front Axle Assembly - Upright SL30SL Service & Parts Manual

Section
3.11
5. Reinstall the shaft key, hub, and nut. Torque each
wheel hub nut to 475 Nm (350 ft. lbs.). Align the
slot in the nut with the hole in the shaft and insert
the cotter pin. DO NOT back off the nut to align.
6. Reinstall the wheel and lug bolts onto the hub.
Torque the lug bolts to 123 Nm (90 ft. lbs.).
7. Remove the jack stands used to block the
wheels. Lower the jack and remove.
8. Operate the drive system to check for leaks and
proper function.
1. Lug Bolt
2. Tire/Wheel
Assembly
3. Cotter Pin
4. Slotted Nut

Figure 3-15: Rear Axle Assembly

Front Axle (Figure 3-16)
Removal
1. Park the work platform on firm, level ground and
block the wheels to prevent the work platform
from rolling.
2. Loosen the wheel lug bolts on the motor to be
removed.
3. Raise the front of the chassis using a 2-ton jack.
4. Position 2 1-ton jack stands under the front axle
to prevent the work platform from falling if the jack
fails.
5. Remove the wheel lug bolts and wheel.
6. Remove the cotter pin, nut, hub and shaft key
3-14
M
AINTENANCE
5. Adapter Hub
6. Shaft Key
7. Brake
8. O-ring
9. Drive Motor
C A U T I O N
!
ONLY use a wheel puller to remove the hub.
Using any other method of removal may dam-
age the drive motor housing and void the war-
ranty.
Clean all fittings before disconnecting the hose
assemblies.
Plug all holes assemblies IMMEDIATELY to pre-
vent contamination from dust and debris.
7. Tag and disconnect the hose assemblies.
8. Remove the adaptor from the hydraulic motor.
9. Remove the capscrews and nuts and then
remove the drive motor from the front axle steer-
ing mount.
Installation
1. Position the drive motor into the steering mount
and secure with capscrews and nuts.
2. Reinstall the adaptor on the hydraulic motor.
3. Reinstall the hose assemblies.
4. Reinstall the shaft key, hub, and nut. Torque each
wheel hub nut to 475 Nm (350 ft. lbs.). Align the
slot in the nut with the hole in the shaft and insert
the cotter pin. DO NOT back off the nut to align.
5. Reinstall the wheel and lug bolts onto the hub.
Torque the lug bolts to 123 Nm (90 ft. lbs.).
6. Remove the jack stands used to block the
wheels. Lower the jack and remove.
7. Operate the drive system to check for leaks.
1. Lug Bolt
2. Tire/Wheel
Assembly
3. Cotter Pin
4. Slotted Nut
5. Adaptor Hub

Figure 3-16: Front Axle Assembly

6. Shaft Key
7. Drive Motor
8. Steering Mount
SL26/30SL Work Platform
!