Terex Genie Z-45/25 Bi-Energy, Service Manual

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Part No. 237062 Z-45/25 Bi-Energy • Z-45/25J Bi-Energy 4 - 23
September 2015 Section 4 • Repair Procedures
SECONDARY BOOM COMPONENTS
23 Pull all of the cables and hoses out through the
upper pivot.
Component damage hazard.
Cables and hoses can be
damaged if they are kinked or
pinched.
24 Remove the hose and cable covers from the top
of the number 2 arm.
25 Pull all of the hoses and cables out of the upper
pivot and out through the mid-pivot. Lay the
hoses and cables on the ground.
Component damage hazard.
Cables and hoses can be
damaged if they are kinked or
pinched.
26 Remove the pin retaining fastener from the
number 2 arm pivot pin at the upper pivot. Use
a soft metal drift to remove the pin.
27 Remove the upper pivot from the machine.
Crushing hazard. The upper pivot
could become unbalanced and fall
when removed from the machine if
not properly attached to the
overhead crane.
28 Attach the lifting strap from an overhead crane
to the number 2 arm at the upper pivot end.
29 Raise the number 2 arm slightly and remove the
4 x 4 x 11 inch / 10 x 10 x 28 cm block.
30 Lower the number 2 arm onto the boom rest
pad.
31 Insert a 4 x 4 x 8
1
/
2
inch / 10 x 10 x 22 cm
block between the number 3 arm and the
number 4 arm at the mid-pivot end.
32 Attach a lifting strap from the overhead crane to
the mid-pivot for support. Do not lift it.
33 Remove the pin retaining fasteners from the
number 2, 3 and 4 arm pivot pins at the
mid-pivot. Do not remove the pins.
34 Use a soft metal drift to drive each pin out. Then
remove the mid-pivot from the secondary boom
assembly.
Crushing hazard. The mid-pivot
could become unbalanced and fall
when removed from the
secondary boom assembly if not
properly supported by the
overhead crane.
35 Attach the lifting strap from an overhead crane
to the center point of the number 2 arm for
support. Do not lift it.
36 Remove the pin retaining fasteners from both
compression link pivot pins. Do not remove the
pins.
37 Use a soft metal drift to remove the lower
compression link pivot pin at the number 3 arm.
38 Support the compression link with an
appropriate lifting device.