Terex Genie GS-3384, Service And Repair Manual

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Service and Repair Manual June 2021
Scissor Components
36 GS ™ -84 • GS ™ -90 Part No. 1306587GT
3-3
Scissor Assembly, GS-5390
How to Disassemble the Scissor Assembly
How to Disassemble the Scissor
Assembly
Bodily injury hazard. This
procedure requires specific repair
skills, lifting equipment and a
suitable workshop. Attempting
this procedure without these
skills and tools could result in
death or serious injury and
significant component damage.
Dealer service is strongly
recommended.
Note: When removing a hose assembly or fitting,
the O-ring (if equipped) on the fitting and/or hose
end must be replaced. All connections must be
torqued to specification during installation. Refer to
Specifications,
Hydraulic Hose and Fitting Torque
Specifications.
1 Remove the platform. Refer to Repair
Procedure,
How to Remove the Platform.
2 Remove the cables from the platform
centering link (index #1) and upper cable
bridge at the hydraulic tank side of the
machine.
3 Remove the cables from the number 5 inner
arm (index #2) and lay the cables off to the
side.
Component damage hazard.
Cables can be damaged if they
are kinked or pinched.
4 Secure both ends of the number 5 inner and
outer arms (index #2 and #18) together with a
strap or other suitable device.
5 Attach a lifting strap from an overhead crane
to the number 5 inner and outer arms (index
#2 and #18) at the steer end of the machine.
Do not apply any lifting pressure.
6 Attach a lifting strap from an overhead crane
to the number 5 inner and outer arms (index
#2 and #18) at the non-steer end of the
machine. Do not apply any lifting pressure.
7 Remove the pin retaining fasteners from both
number 5 pivot pins (index #4) at the non-
steer end of the machine. Do not remove the
pins.
8 Remove the pin retaining fasteners from both
number 5 pivot pins (index #19) at the steer
end of the machine. Do not remove the pins.
9 Use a slide hammer to remove both number
5 pivot pins (index #4) from the non-steer end
of the machine.
10 Use a slide hammer to remove both number
5 pivot pins (index #19) from the steer end of
the machine.
11 Carefully remove the number 5 inner and
outer arms (index #2 and #18) from the
machine.
Crushing hazard. The number
5 inner and outer arms could
become unbalanced and fall
when they are removed from
the machine if not properly
supported by the overhead
crane.
Note: If further disassembly of the scissor arm pair
is required, refer to Repair Procedure,
How to
Disassemble a Scissor Arm Pair.
12 Remove the pin retaining fasteners from the
upper lift cylinder rod-end pivot pin (index
#21). Do not remove the pin.
13 Attach a lifting strap from an overhead crane
to the lifting eye at the rod end of the upper lift
cylinder.