June 2021 Service and Repair Manual
Ground Controls
Part No. 1306587GT GS
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-84 • GS
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-90 59
8 Press the yellow platform down button to
decrease the drive speed or press the blue
platform up button to increase the drive
speed. Refer to Specifications, Performance
Specifications.
Note: The performance achieved should always be
within specifications.
9 Press the lift function enable button.
Result: TUNE SPEEDS is showing in the
diagnostic display window. The ECM is now in
programming mode.
1 diagnostic display
2 blue platform up button
3 lift function enable button
4 yellow platform down button
10 Press the lift function enable button.
11 Use the yellow platform down arrow to scroll
to max rev high torque drive.
Result: MAX REV HIGH TORQUE DRIVE is
showing in the diagnostic display window.
12 Press the lift function enable button.
13 Press the yellow platform down button to
decrease the drive speed or press the blue
platform up button to increase the drive
speed. Refer to Specifications, Performance
Specifications.
Note: The performance achieved should always be
within specifications.
14 Press the lift function enable button.
15 Push in the ground controls red Emergency
Stop button to the off position.
How to Adjust the Rai sed Drive Speed
How to Adjust the Raised Drive
Speed
-over hazard. Do not adjust
the lift and/or drive speed higher
than specified in this procedure.
Setting drive speed greater than
specifications could cause the
machine to tip over resulting in
de
ath or serious injury.
Note: The GS-5390 will not drive with the platform
raised above 33 feet / 10,1 m.
1 Pull out the red Emergency stop button to the
on position at the platform controls.
2 Push in the ground controls red Emergency
Stop button to the off position.
3 Turn the key switch to ground controls.
4 Press and hold both the blue platform up and
yellow platform down buttons. Pull out the red
Emergency Stop button to the on position at
the ground controls.
Result: TUNE SPEEDS is showing in the
diagnostic display window. The ECM is now in
programming mode.