Upright SL-26, Service & Parts Manual

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3. Service and Repair
3-12
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.
3.4 A
XLE
C
YLINDER
Removal
Be sure platform is fully down and that machine is on level ground.
1. Remove and cap the hoses.
2. Remove the pivot pins
3. Remove the cylinder.
Installation
1. Completely fill both ends of cylinder with hydraulic oil.
a. Lay the cylinder on its’ side on a level table with the pilot operated check valves up.
b. Remove the pilot operated check valves from the ports.
c. Pour hydraulic oil into the cylinder through the pilot operated check valve ports.
d. The opening to the cylinder is small. Be careful to ensure all air is removed and the cylinder is full of oil.
e. Reinstall the pilot operated check valves.
1. Attach both ends of the cylinder to mounts with pivot pins and retaining bolts.
2. Torque the retaining bolts to 203 Nm (150 ft. lbs.).
3. Operate the work platform over rough terrain and check for proper function and leaks.
3.5 S
TEERING
C
YLINDER
Removal
1. Mark and disconnect the hose assemblies from the fittings and immediately cap the openings to prevent
foreign material from entering.
2. Remove the setscrews securing the rod ends to the steering linkage.
3. Remove the setscrews and locknuts that fasten the cylinder assembly to the chassis.
4. Remove the cylinder from the chassis.
!
C A U T I O N
!
ONLY use a wheel puller to remove the hub. Using
any other method of removal may damage the
drive motor housing and void the warranty.
Clean all fittings before disconnecting the hose
assemblies.
Plug all holes assemblies IMMEDIATELY to
prevent contamination from dust and debris.