Service and Repair Manual August 2021
Scissor Components
156 GS
â„¢
-30m • 32m • 30 • 32 • 46 • 55 Part No. 1309020GT
Upper Lift Cylinder GS-4655
6 relief valve, (schematic item Q)
7 lift cylinder
8 connector fitting
9 solenoid valve, (schematic item DK)
10 orifice, (schematic item O)
Solenoid valve, 2 position 2 way, N.C.
(schematic item DK)
20 ft-
Relief valve, (schematic item Q)
20 ft-
5 ft-
20 Remove the lifting device supporting the link
stack at the steer end of the machine.
21 Connect the battery pack to the machine.
22 Turn the key switch to ground controls.
23 Press and hold the ground control scroll up
and scroll down buttons.
24 Pull out the red Emergency Stop button to the
on position at the ground controls.
25 Using the ground control menu buttons,
navigate to Service Override Mode. Select
Service Override Mode.
Note: The machine must be in Service Override
Mode to raise the platform. While in Service
Override Mode, only the GCON will operate with
limited functionality. The platform will raise a
predetermined amount of time and stop.
26 Raise the platform and rotate the safety arm
to the stowed position.
27 Fully lower the platform to the stowed
position.
28 Calibrate the platform overload system. Refer
to Repair Procedure How to Calibrate the
Platform Overload System.
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