Upright SL26 Series User Manual

3. Service and Repair
3-10
3.2 REPLACING HYDRAULIC PUMP
Note: If the hydraulic tank has not been drained, suitable means for plugging the hoses should be
provided to prevent excessive fluid loss.
Removal
1. Mark, disconnect and plug the hose assemblies.
2. Loosen the capscrews and remove the pump assemblies from the engine.
Figure 3-9: Typical Hydraulic Pump
3.3 HYDRAULIC BRAKES, DRIVE MOTORS & HUBS
Rear Axle
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.
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.
!
CAUTION
!
ONLY use a wheel puller to remove the hub. Using
any other method of removal may damage 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.
1
2
1. Inlet Hose
2. Outlet Hose
Installation
1
. Lubricate the pump shaft with extreme high pressure
molybdenum grease and attach the pumps to the
engine with capscrews.
2
. Using a criss-cross pattern, torque each capscrew a
little at a time until all four capscrews are torqued to
27 Nm (20 ft. lbs.).
3
. Unplug and reconnect the hydraulic hoses.
4
. Check the oil level in the hydraulic tank before
operating the work platform.

Upright SL26 Series Specifications

General

Brand	Upright
Model	SL26 Series
Category	Lifting Systems
Language	English