Sinoboom AB18EJ - Platform; Platform Swing Motor; Jib Boom Assembly

© Oct 2020 6-2 AB18EJ&18HJ Maintenance Manual
REPAIR PROCEDURES
3. Disconnect and tag the cable from the bottom of the
pltaform controller.
4. Remove the retaining bolts from the platform
controller.
5. Remove the platfrom controller from the machine.
Platform
1. Remove the platform controller from the platform.
For the specific procedure, please reference
Platform Controller, page 6-1.
2. Remove the footswitch.
3. Support and secure the platform to an appropriate
lifting device.
4. Remove the platform mounting bolts.
Figure 6-1
5. Use a brass drift or wooden hammer to tap the
connecting pin out.
6. Slowly move the platform away with a lifting device.
Platform Swing Motor
NOTICE
Perform this procedure with the machine in stowed
position.
NOTICE
When removing a hose or fitting, the O-ring on the
fitting or hose end must be replaced.
Note:
The swing cylinder serves for the platform swing within
the range of 160°.
1. Remove the platform.
2. Tag, disconnect and plug the 2 hydraulic lines to the
platform swing motor, and plug the fittings on the
manifold.
3. Use appropriate supporting equipment to stablize
the swing motor bracket.
4. Remove the retaining screws and pins to detach the
bracket from the swing motor.
5. Use appropriate equipment to stablize the swing
motor.
6. Remove the retaining screws and nuts at the pin
connecting the motor and the jib boom.
7. Remove the swing motor.
Jib Boom Assembly
MOVING OBJECT HAZARD
Wear eye protection when tapping
the brass drift with wooden hammer.
Figure 6-2
Removal
NOTICE
When removing the hose and fitting, the O-ring on
the fitting and hose end must also be removed and
tagged.
1. Place the main boom horizontal, and use suitable
lifting equipment to support the jib boom assembly.