Genie GS-2668 RT, Руководство по обслуживанию

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Section 4 • Repair Procedures
REV B
June 2007
4 - 18 GS-2668 RT • GS-3268 RT Part No. 112657
SCISSOR COMPONENTS
80 Raise the scissor assembly slightly and return
the safety arm to the stowed position. Lower
the scissor assembly. Remove the straps.
Crushing hazard. The scissor
assembly could become
unbalanced and fall if not properly
supported when the safety arm is
returned to the stowed position.
81 Secure both ends of the scissor arms together
with a strap or suitable device.
82 Attach each end of a lifting strap of ample
capacity to each end of the scissor assembly.
83 Attach an overhead crane to the center of the
strap.
84 Remove the pin retaining fasteners from the
number 1 pivot pin(s) (index #15). Use a soft
metal drift to remove the pin(s).
Crushing hazard. The scissor
assembly could fall if not properly
supported by the overhead crane.
85 Lift the scissor assembly slightly and slide the
scissor assembly towards the non-steer end of
the machine to allow the wear pads to slide out
of the channel.
86 Remove the scissor assembly from the
machine and place it on a structure capable of
supporting it.
Crushing hazard. The scissor
assembly could become
unbalanced and fall if not properly
supported and secured to the
overhead crane.
Note: During removal, the lifting strap connected to
the overhead crane will need to be carefully
adjusted for proper balancing.
87 Remove the straps securing the scissor arms
together.
88 Attach a lifting strap from an overhead crane to
the lug on the rod end of the lower lift cylinder.
Raise the rod end of the cylinder to a vertical
position.
89 Remove the pin retaining fasteners from the
lower cylinder barrel-end pivot pin (index #29).
Use a soft metal drift to remove the pin.
Remove the cylinder from the scissor
assembly.
Crushing hazard. The cylinder
could become unbalanced and fall
if not properly supported when
removed from the assembly.
90 Attach a lifting strap from an overhead crane to
the number 1 outer arm (index #30).
91 Support the number 1 inner arm (index #14)
with a second overhead crane.
92 Remove the external snap rings from the
number 1 center pivot pin (index #13).
93 Use a soft metal drift to remove the number 1
center pivot pin (index #13).
Crushing hazard. The scissor
assembly could become
unbalanced and fall if not properly
supported when removed from the
machine.
94 Remove the number 1 outer arm (index #30)
from the assembly.
Crushing hazard. The number 1
outer arm (index #30) could
become unbalanced and fall if not
properly supported when removed
from the machine.