Upright SL26SL Service Manual page 44

Service and Repair
Front Axle (Figure 0-4)
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
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
prevent 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 steering 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.
3-18
1. Lug Bolt
2. Tire/Wheel
Assembly
3. Cotter Pin
4. Slotted Nut
Figure 0-3: Rear Axle Assembly
!
5. Adapter Hub
6. Shaft Key
7. Drive Motor