March 2021
Service and Repair Manual
Scissor Components
Part No. 1272217GT
GS
™
-30 • 32 • 46 • 47
139
Torque specifications
Solenoid valve, 2 position 2 way,
N.C.
(schematic item N)
20 ft-lbs
27 Nm
Relief valve
(schematic item Q)
20 ft-lbs
27 Nm
Coil nut
5 ft-lbs
7 Nm
Pressure transducer(if equipped)
(schematic item R)
27 ft-lbs
37 Nm
Check valve
(schematic item DK)
20 ft-lbs
27 Nm
21 Remove the lifting device supporting the link
stack at the steer end of the machine.
22 Connect the battery pack to the machine.
23 Turn the key switch to ground controls.
24 Press and hold the ground control scroll up
and scroll down buttons.
25 Pull out the red Emergency Stop button to the
on position at the ground controls.
26 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.
27 Raise the platform and rotate the safety arm
to the stowed position.
28 Fully lower the platform to the stowed
position.
Note: Models with a pressure transducer, calibrate
the Platform Overload System. Refer to Repair
Procedure,
How to Calibrate the Platform
Overload System (if equipped).
9-10
Pressure Transducer
How to Remove the Pressure
Transducer
(if equipped)
Note: Calibrating the platform overload system is
not required if the pressure transducer is the only
component replaced on the machine lift structure.
In the event of frequent nuisance trips occurring
after a pressure transducer is replaced, a no load
calibration is recommended. Refer to Repair
Procedure,
How to Calibrate the Platform
Overload System (if equipped)
1 Turn the key switch to ground controls and
pull out the red Emergency Stop button to the
on position at both ground and platform
controls.
2 Raise the platform 7 to 8 feet / 2,1 to 2,4 m.
3 Lift the safety arm, move it to the center of the
scissor arm and rotate down to a vertical
position.
4 Lower the platform onto the safety arm.
5 At the ground controls, turn the key switch to
the off position and push in the red
Emergency Stop button to the off position.
6 Disconnect the battery pack from the
machine.
Electrocution/burn hazard.
Contact with electrically charged
circuits could result in death or
serious injury. Remove all rings,
watches and other jewelry.
7 Pull the manual lowering cable and hold for
3 seconds.
8 Tag and disconnect the three-pin connector
from the pressure transducer harness.
