Genie GTH-1544, Руководство по обслуживанию и ремонту

Страница: 28 / 151

3-4 GTH-1544 Part No. 1272857
September 2016 Section 3 • Repair Procedures
How to Remove the Lifting
Fork Frame
1 With the boom in the stowed position, attach a
lifting strap from an overhead crane to the top
of the lifting fork frame at the front of the boom.
Support the frame. Do not apply any lifting
pressure.
2 If the machine is equipped with the lifting fork
frame locking cylinder, disconnect the locking
cylinder hoses from the boom.
WARNING
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.
3 Remove the screw securing the fork level
cylinder pivot pin to the lifting fork.
4 Use a soft metal drift to remove the pivot pin.
5 Remove the screw securing the fork frame
pivot pin to the boom.
6 Use a soft metal drift to remove the pivot pin.
7 Using the overhead crane, lift and remove the
fork frame from the boom.
CAUTION
Crushing hazard. The fork
frame could fall if not properly
supported when the lock pin is
removed from the machine.
BOOM COMPONENTS
How to Replace the Boom
Retract Chains
Note: Perform this procedure on a fi rm, level
surface with the wheels chocked.
1 Remove the boom, according to the dedicated
paragraph.
2 Place the boom on a structure capable of
supporting it.
3 Remove the screws “ 1 ” securing pin
4 Use a soft metal drift and a hammer to remove
pin “ 2 ”.
5 Remove the screws “ 3 ” securing chains to the
boom.
6 Remove the screws “ 3 ” securing bracket “ 4 ”.
7 Remove the bracket " 4 ".
8 Disconnect the hydraulic hoses " 8 " from
the cylinder overcenter valve, remove the
six screws "
7 " securing the boom telescope
cylinder to the second boom section.
1
2
3
4 5
6
8
7