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REV B
Section 4 • Repair Procedures
June 2005
Part No. 52075
TMZ-34/19
4 - 17
58 Attach a lifting strap from an overhead crane to
the secondary linkage.
59 Remove the pin retaining fasteners from the
secondary linkage pivot pin at the turntable
pivot.
60 Using a soft metal drift, remove the secondary
linkage pivot pin at the turntable pivot.
61 Remove the secondary linkage from the
machine.
Crushing hazard. The secondary
linkage will fall if not properly
supported when removed from the
machine.
62 Support the secondary boom lift cylinder with an
overhead crane or similar lifting device.
63 Tag, disconnect and plug the secondary boom
lift cylinder hydraulic hoses at the secondary
boom lift cylinder. Cap the fittings on the
cylinder.
Bodily injury hazard. Spraying
hydraulic oil can penetrate and
burn skin. Loosen hydraulic
connections very slowly to allow
the oil pressure to dissipate
gradually. Do not allow oil to squirt
or spray.
64 Tag and disconnect the wires from the
secondary boom lift cylinder.
65 Remove the pin retaining fasteners from the
secondary boom lift cylinder barrel-end pivot
pin at the turntable pivot.
66 Using a soft metal drift, remove the secondary
boom lift cylinder barrel-end pivot pin.
Crushing hazard. If the overhead
crane or lifting device is not
properly attached, the primary
boom lift cylinder may become
unbalanced and fall when it is
removed from the machine.
67 Remove the secondary boom lift cylinder from
the machine.
Crushing hazard. The lift cylinder
could become unbalanced and fall
if not properly supported when
removed from the machine.
Component damage hazard. The
solenoid valve can be damaged.
Use caution when removing the
cylinder from the machine.
BOOM COMPONENTS
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