How To Determine The Revision Level; How To Adjust The Stowed Drive Speed - Terex GS90D-4695 Service And Repair Manual

December 2023
How to Determine the Revision
How to D etermine the R evision Level
Level
1 Turn the key switch to ground control and pull
out the red Emergency Stop button to the on
position at both ground and platform controls.
Result: The revision level of the ECM will
appear in the LED display window.
How to Adjust the Stowed Drive
How to Adj ust the Stow ed Drive Speed
Speed
Tip-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
death or serious injury.
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.
5 Press the lift function enable button.
Part No. 1325652GT
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7
8
Note: The performance achieved should always be
within specifications.
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10 Press the lift function enable button.
11 Use the yellow platform down arrow to scroll
GS -3390 • GS -4390 • GS
™ ™
Service and Repair Manual
Ground Controls
Use the yellow platform down arrow to scroll
to max fwd high speed drive.
Result: MAX FWD HIGH SPEED drive is
showing in the diagnostic display window.
Press the lift function enable button.
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.
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
to max rev high speed drive.
Result: MAX REV HIGH SPEED drive is
showing in the diagnostic display window.
-5390
™
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