Terex Genie Z-34/22 IC, Руководство по обслуживанию и ремонту

Страница: 54 / 156

September 2016 Service and Repair Manual
Secondary Boom Components
Part No. 1274592 Z-34/22 IC 41
31 Remove the plastic plug in the bulkhead to
access the secondary boom lift cylinder
rod-end pivot pin.
32 Remove the pin retaining fasteners from the
rod end of the secondary boom lift cylinder.
Use a soft metal drift to remove the pin.
Secure the cylinder from moving.
33 Remove the pin retaining fasteners from the
lower pivot pin of the compression link. Use a
soft metal drift to remove the pin.
34 Attach a lifting strap from an overhead crane
to the upper secondary boom.
35 Remove the pin retaining fasteners from the
mid-pivot to upper secondary boom pivot pin.
Use a soft metal drift to remove the pin.
36 Remove the upper secondary boom with
compression link from the machine.
Crushing hazard. The upper
secondary boom with compression
link could become unbalanced and
fall when removed from the
machine if not properly supported
by the overhead crane.
37 Remove the drive speed limit switch mounted
on the inside of the lower mid-pivot. Do not
disconnect the wiring.
38 Remove the cable covers from the top of the
lower secondary boom. Pull all the cables and
hoses towards the counterweight end of the
turntable.
39
Gasoline/LPG models
: Remove the LPG
hose from the tank and then remove the LPG
tank.
40 Remove the battery hold down and battery.
41 Remove the pin retaining fasteners from the
secondary boom lift cylinder barrel-end pivot
pins.
42 Attach a lifting strap from an overhead crane
to the lug on the rod-end of the secondary
boom lift cylinder.
43 Tag, disconnect and plug the hydraulic hoses
from 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.
44 Use a slide hammer to remove the secondary
boom lift cylinder barrel-end pivot pins.
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.
Note: Access the pins using the access holes
located in the bulkheads, one on each side.
45 Attach a lifting strap from an overhead crane
to the mid-pivot for support. Do not lift it.
46 Remove the pin retaining fasteners from the
mid-pivot to lower compression arm pivot pins.
Place a rod through the compression arm
pivot pins and twist to remove the pins.
47 Remove the pin retaining fasteners from the
mid-pivot to lower secondary boom pivot pins.
Use a soft metal drift to remove the pin.