Terex Genie Z-40/23N, Руководство по обслуживанию и ремонту

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September 2016 Service and Repair Manual
Secondary Boom Components
Part No. 1268528 Z-40/23N, Z-40/23N RJ 45
10 Attach a strap from an overhead crane to the
lug on the rod end of one of the secondary
boom lift cylinders for support. Do not apply
any lifting pressure.
11 Use a soft metal drift to drive the barrel-end
pivot pin half way out. Lower the barrel end of
the secondary boom lift cylinder and let it hang
down.
12 Use a soft metal drift to drive the rod-end pivot
pin half way out.
13 Remove the secondary boom lift cylinder from
the machine.
Crushing hazard. The secondary
boom lift cylinder could become
unbalanced and fall when
removed from the machine if not
properly attached to the
overhead crane.
Component damage hazard.
When removing a secondary
boom lift cylinder from the
machine, be careful not to
damage the counterbalance
valve at the barrel end of the
cylinder.
14 Repeat steps 12 through 15 for the other
secondary boom lift cylinder.
15 Attach a lifting strap from an overhead crane
to the upper pivot for support. Do not lift it.
16 Attach a lifting strap from a second overhead
crane to the number 1 arm at the mid-point
between the upper pivot and mid-pivot.
17 Remove the pin retaining fasteners from the
number 1 arm pivot pins at the mid-pivot and
the upper pivot. Do not remove the pins.
18 Use a soft metal drift to drive both pins out.
19 Remove the number 1 arm from the machine.
Crushing hazard. The number
1 arm could become unbalanced
and fall when removed from the
machine if not properly attached
to the overhead crane.
Crushing hazard. The upper
pivot could fall when the number
1 arm is removed from the
machine if not properly
supported by the overhead
crane.
20 Attach a lifting strap from an overhead crane
to the upper pivot.
21 Using the overhead crane attached to the
upper pivot, raise the secondary boom
assembly approximately 30 inches / 76 cm.
22 Insert a 4 x 4 x 11 inch / 10 x 10 x 28 cm block
between the number 2 arm and the boom rest.
Lower the secondary boom assembly onto the
block.
Crushing hazard. The secondary
boom assembly could fall if not
properly supported by the4 x 4 x
11 inch / 10 x 10 x 28 cm block.
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 cover and clamps
from the top of the number 2 arm.