Upright SB80 - 3.11 Drive Motors; 3.12 Hydraulic Brakes

3-12 SB80 Work Platform - European
M
AINTENANCE
Section
3.11
3.11 D
RIVE
M
OTORS
Removal
1. Park the work platform on firm level ground with
axles extended.
2. Using Four jackstands (Ten Ton capacity each),
support each wheel off the ground.
3. Disconnect and immediately cap the drive motor
case drain hose from the front/rear valve block.
4. Disconnect and immediately cap the other
hydraulic lines from the drive motor.
5. Remove the drive motor(s).
Installation
1. With the case drain port on top, fill the replace-
ment motor with 710 ml (24 fluid ounces) of fil-
tered hydraulic fluid.
2. Install the case drain hose to the motor.
3. Route the case drain hose to the valve block and
install the motor.
4. Connect all hydraulic hoses.
Drive Motor Run-In
1. With machine off the ground, slowly run drive
wheels forward and reverse to remove all air from
the system.
2. Lower the machine to the ground.
3. Slowly drive machine forward and reverse to
remove all air from the system.
4. After the machine has been driven froward and
reverse several times it may be operated normally
changing speeds as needed while driving.
3.12 H
YDRAULIC
B
RAKES
Removal
The SB80 is equipped with brakes on both rear
wheels.
1. Park the work platform on firm level ground with
axles extended and block the wheels to prevent
the work platform from rolling.
2. Disconnect the hydraulic brake lines.
3. Tag and disconnect hydraulic lines to drive
motors.
4. Remove capscrews and washers holding the
drive motor and brake to the torque hub.
5. Remove the drive motor.
6. Remove the brake.
Figure 3-13: Rear Axle Assembly
NOTE: Torque all hardware to torques listed on
page 3-32 unless otherwise specified.
CAUTION
!
!
Drive motor run-in may be done in high or low
speeds but DO NOT CHANGE SPEEDS
WHILE WHEELS ARE ROTATING.
CAUTION
!
!
Drive motor run-in may be done in high or low
speeds but DO NOT CHANGE SPEEDS
WHILE WHEELS ARE ROTATING.
CAUTION
!
!
Clean all fittings before disconnecting the hose
assemblies.
Plug all port holes and hose assemblies IMME-
DIATELY to prevent contamination from dust
and debris.
Brake
Drive Motor