TORQUE CONV AR 0R4088 - Caterpillar

After the OK key is pressed, the "LEVER / PEDAL / ATCH" screen should appear. Use the down key in order to highlight "MOD L THUMBWHEEL". Press the OK key (8) .Note: Illustration 4 shows that both the left thumb wheel and the right thumb wheel are highlighted. Only one of the options will be highlighted at a time.
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After the OK key is pressed, the monitor will begin to communicate to the ECM. When the ECM is ready, the next screen will automatically appear.
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Press the OK key (8) in order to start the process of calibration. After the OK key is pressed, all inputs will be disabled.
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Ensure that the thumb wheel is in the neutral position. Press OK key (8) .
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Move the thumb wheel to the FORWARD position. move the thumb wheel to the BACKWARD position.
Allow the inputs to return to the NEUTRAL position. Press the OK key (8) .
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Press the OK key (8). Pressing the OK key enables the machine's inputs.
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The process of calibrating is completed. Press the cancel key (7) in order to exit the upper level screen.
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It is possible for an error to occur when you are calibrating. If an error occurs during the process of calibrating, restart the process of calibrating.
Repeat Steps 7 through Step 15 for the right thumb wheel.Calibration with Caterpillar Electronic Technician
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The calibration's initial start-up displays the following: "Left Joystick Thumbwheel Calibration", "Right Joystick Thumbwheel Calibration", "Left Attachment Pedal Calibration" and "Right Attachment Pedal Calibration". Perform one calibration at a time. Follow the instructions in order to perform the calibration.
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As the calibration is being performed, the active step will be displayed in bold text.
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After the completion of a step, a check will appear in the completed box. Press the "NEXT" button in order to continue to the next step of calibration.
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When the calibration is completed, the "CALIBRATION SUCCESSFUL" screen will be displayed.
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The "CALIBRATION UNSUCCESSFUL" screen and an error code will be displayed if the calibration is unsuccessful.