Page 75
65-J Desel - Servce & Parts Manual
February 2021
Secton 18 - Mechancal Components
Boom Lift Cylinders/Boom Linkage
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 Boom Lift Cylinders are located within the boom linkage near the turntable. Their purpose is to
raise and lower the boom assembly.
Note:
The module doors and module contents are omitted from the following illustrations to better
show the disassembly process. It is not necessary to remove the doors or contents to perform
this procedure.
Disassembly
Park the machine on a firm level surface.
Throughout this procedure, 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.
Remove the Platform/Jib assembly as described in
steps 1 through 11 of the Platform Level Cylinder
removal procedure on page 71.
Use the Boom Lift/Lower function to position the
boom as shown at right.
Remove the hose and cable guards and coverings.
It is not necessary to remove the cable track or its
contents from the Main Boom Assembly.
Make note of all cable and hose routing from the
turntable to the main boom assembly.
Disconnect the hoses and control cable connected
to the Platform Functions Manifold, located at the
base of the Main Boom Assembly. Pull these down
through the linkage back to the turntable.
Disconnect the power-to-platform cable and the
platform control cable from their connections in the
turntable and the Control Module. Pull these up
through the linkage to the Main Boom Assembly.
1.
2.
3.
4.
5.
6.
7.
8.
ART_4941
Platform Functions
Manifold
Содержание 65-J Diesel
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