May 2022
Service and Repair Manual
Ground Controls
Part No. 1306516GT
GS
™
-2669 RT • GS
™
-3369 RT • GS
™
-4069 RT
49
How to De ter mine the R evision Lev el
How to Determine the Revision
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 Adju st th e Stowe d Driv e Spee d
How to Adjust the Stowed Drive
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.
6 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.
7 Press the lift function enable button.
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.
1 diagnostic display
2 blue platform up button
3 lift function enable button
4 yellow platform down button
9 Press the lift function enable button.
Result: TUNE SPEEDS is showing in the
diagnostic display window. The ECM is now in
programming mode.
10 Use the yellow platform down arrow to scroll
to max rev high speed drive.
Result: MAX REV HIGH SPEED drive is
showing in the diagnostic display window.
11 Press the lift function enable button.
12 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.
13 Press the lift function enable button.
14 Push in the ground controls red Emergency
Stop button to the off position.
15 Check the stowed drive speed of the
machine. Refer to the Maintenance
procedure,
Test the Drive Speed - Stowed
Position.
Summary of Contents for GS-2669 IC
Page 141: ...May 2022 Service and Repair Manual 127 GM 998L Engine Wire Harness...
Page 144: ...Service and Repair Manual May 2022 130 Control Panel Circuit Diagram...
Page 145: ...May 2022 Service and Repair Manual 131 Electrical Schematic GS 69 RT GM 998L Models ANSI CSA...
Page 148: ...Service and Repair Manual May 2022 134 Electrical Schematic GS 69 RT GM 998L Models ANSI CSA...
Page 149: ...May 2022 Service and Repair Manual 135 Electrical Schematic GS 69 RT GM 998L Models ANSI CSA...
Page 152: ...Service and Repair Manual May 2022 138 Electrical Schematic GS 69 RT Diesel Models ANSI CSA...
Page 153: ...May 2022 Service and Repair Manual 139 Electrical Schematic GS 69 RT Diesel Models ANSI CSA...
Page 156: ...Service and Repair Manual May 2022 142 Electrical Schematic GS 69 RT Diesel Models ANSI CSA...
Page 157: ...May 2022 Service and Repair Manual 143 Electrical Schematic GS 69 RT GM 998L Models AS CE...
Page 160: ...Service and Repair Manual May 2022 146 Electrical Schematic GS 69 RT GM 998L Models AS CE...
Page 161: ...May 2022 Service and Repair Manual 147 Electrical Schematic GS 69 RT GM 998L Models AS CE...
Page 164: ...Service and Repair Manual May 2022 150 Electrical Schematic GS 69 RT Diesel Models AS CE...
Page 165: ...May 2022 Service and Repair Manual 151 Electrical Schematic GS 69 RT Diesel Models AS CE...
Page 168: ...Service and Repair Manual May 2022 154 Electrical Schematic GS 69 RT Diesel Models AS CE...
Page 169: ...May 2022 Service and Repair Manual 155 Hydraulic Schematic GS 69 RT...
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