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REV B
Section 4 • Repair Procedures
June 2005
Part No. 52075
TMZ-34/19
4 - 13
3 Tag and disconnect the wiring from the power
receptacle on the platform mounting weldment.
Electrocution hazard. Contact with
electrically charged circuits could
result in death or serious injury.
Remove all rings, watches and
other jewelry.
4 Remove the quick disconnect plug assembly
retaining fasteners from the platform mount.
Models from serial number T3400-001 to date:
5 Remove the jib boom limit switch (LS11) from
the platform mount.
6 Tag and disconnect the wiring from the jib boom
limit switch.
All models:
7 Secure the primary boom with the hold-down
latch.
8 Remove the cable retaining plates from the
primary linkage.
9 Place blocks between the primary boom and
primary linkage.
10 Attach a lifting strap from an overhead crane to
the jib boom mount.
11 Remove the pin retaining fasteners from the
primary linkage pivot pin to the jib boom pivot.
12 Using a soft metal drift, remove the primary
linkage pivot pin at the jib boom mounting
weldment.
BOOM COMPONENTS
4-1
Boom
How to Disassemble the Boom
This procedure in this section
requires specific repair skills, lifting
equipment and a suitable
workshop. Attempting this
procedure without these skills and
tools could result in death or
serious injury and significant
component damage. Dealer
service is required.
Perform this procedure on a firm,
level surface.
Perform this procedure with the
boom in the stowed position.
Follow the disassembly steps to the point required
to complete the repair. Then re-assemble the
secondary boom by following the disassembly
steps in reverse order.
When removing a hose assembly
or fitting, the O-ring on the fitting
and/or hose end must be replaced
and then torqued to specification
during installation. Refer to
Section 2, Hydraulic Hose and
Fitting Torque Specifications.
1 Remove the platform. See 2-1, How to
Remove the Platform.
2 Remove the jib boom and jib boom lift cylinder.
See 3-1, How to Remove the Jib Boom.
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