Upright SL26SL Service Manual page 43

0.2 H B
YDRAULIC
Rear Axle (Figure 0-3)
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 rear of the work platform using a 2-ton jack.
4. Position 2 1-ton jack stands under the rear 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 or shaft and void
the warranty.
Clean all fittings before disconnecting the hose
assemblies.
Plug all port holes and hose assemblies IMME-
DIATELY to prevent contamination from dust
and debris.
7. Tag and disconnect the hose assemblies.
8. Remove the capscrews, washers, brake and drive motor assembly from the rear axle.
9. Remove the socket screws from the drive motor and then separate the brake from the drive motor.
Installation
1. Insert the drive motor with O-ring installed into the brake and secure with socket screws using Locktite #242
retaining compound on the screw threads.
2. Position the drive motor and brake in the rear axle and secure with washers and H.H. setscrews.
3. Reinstall the adaptor and crossover block assembly to the hydraulic motor.
4. Reinstall the hose assemblies.
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 on the hub. Torque the 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.
, D M
RAKES RIVE OTORS
& H
UBS
!
Service and Repair
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