Page 74
45-J Desel - Servce & Parts Manual
January 2022
Secton 18 - Mechancal Components
Platform Level Cylinder
THIS PROCESS REQUIRES SPECIFIC REPAIR SKILLS AND
EXPERIENCE, APPROPRIATE LIFTING EQUIPMENT AND A PROPER
WORKPLACE������ DEATH, SERIOUS INJURY OR SIGNIFICANT MACHINE
DAMAGE COULD OCCUR IF YOU ATTEMPT THIS PROCESS WITHOUT
THE APPROPRIATE SKILLS AND EQUIPMENT������
The Platform Level Cylinder is located at the end of the inner boom section. Its purpose is to keep the
Platform level as the position of the Boom changes.
Disassembly
Park the machine on a firm level surface.
Thoroughly clean all hydraulic connections and tag
all hoses for proper reassembly before disconnecting
them. Immediately plug and cap all openings to
prevent contamination. Tag electrical connections
before disconnecting them.
Use the Boom Lift/Lower function to raise the boom
slightly.
Use the Jib Lift/Lower function to lower the jib
completely.
Use the Boom Extend/Retract function to extend the
boom approximately 5 feet (1.5 m).
Use the Boom Lift/Lower function to lower the
platform onto the pallet, then strap the platform to the
pallet.
Place 750 lbs (340 kg) of weight on the platform floor.
1.
2.
3.
4.
5.
6.
7.
ART_4913
This 750lb weight is required to prevent the Platform/Jib assembly from
tipping when disconnected from the boom������
Remove the hose/cable cover from the side of the Jib
Arm.
Clean all hydraulic fittings, then tag all hoses for
proper reassembly.
Disconnect the hydraulic hoses that supply the
Jib Lift/Lower Cylinder and the Platform Rotator.
Immediately plug and cap all openings to prevent
contamination.
Tag all electrical harness connections connecting the
boom and the jib, then disconnect.
Remove the bolts securing the platform level bell
crank pins that connect the bell crank to the boom.
Secure the Lower Jib Links with a strap, then remove
the pins.
8.
9.
10.
11.
12.
ART_4914
