D6N Track-Type Tractor Power Train Caterpillar

• Replacing the ECM

• Replacing the transmission

The program is set up in order to calibrate the directional control for a given machine. The program will also provide feedback if errors occur during the process of calibration.

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Personal injury or death can result from not engaging the parking brake. Transmission engagement alone will not prevent machine from rolling when the engine is stopped.

Required Equipment

The following equipment is required in order to perform this calibration with the Caterpillar Electronic Technician (Cat ET) service tool:

• Laptop computer with Cat ET

• Communications adapter

• ET 20011A or a later version

Calibration Procedure

The steps of the calibration procedure follow:

1. Move the machine to a smooth horizontal location.

   Note: Permit only one operator on the machine. Keep all other personnel away from the machine or in the operator's sight.

2. Set the parking brake.

3. Verify that the speed of the engine is 0 rpm.

4. Connect the cable (communications) to the laptop computer and the Cat ET service connector on the machine.

5. Open the Cat ET program.

6. Click on "Service" in the main tool bar.

7. Click on "Calibration".

8. Click on "FNR Shifter Sensor Calibration".

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Illustration 1	g01873399
Second screen of the calibration procedure

9. Place the shift lever of the machine in the F position.

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Illustration 2	g01873403
Third screen of the calibration procedure

10. Place the shift lever of the machine in the NEUTRAL position.

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Illustration 3	g01873406
Fourth screen of the calibration procedure

11. Place the shift lever of the machine in the R position.

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Illustration 4	g01873412
Fifth screen of the calibration procedure

12. Place the shift lever of the machine in the NEUTRAL position.

13. Follow the instructions that are on the screen. This will repeat the process that is described above.

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Illustration 5	g01873415
Sixth screen of the calibration procedure

14. The screen that is shown in Illustration 5 will be displayed after the calibration has been successfully completed.

    If the calibration is not successful, repeat the entire calibration.

    If any errors occur, a reason and a code will appear in the window. Report any error codes to the technical communicator at your Caterpillar dealership for additional instructions.