D3G, D4G and D5G Track-Type Tractors Electrohydraulic Caterpillar

The calibration should be performed if the Machine ECM or any Hystat component has been replaced or removed. The calibration menu is used in order to compensate for the differences in the mechanical components and the electrical components. The calibration should be performed if the Machine ECM has been replaced or the ECM was removed. The calibration should be performed if one of the following components has been replaced or removed. Perform all calibrations that are applicable. The calibrations are listed:

• "Decelerator Pedal Sensor"

• "Service Brake Pedal Sensor"

• "Joystick Forward/Reverse Sensor"

• "Joystick Steering Sensor"

• "Hystat Pump Solenoid"

• "Hystat Motor Solenoids"

The CaterpillarElectronic Technician service tool is used in order to access the calibration procedures. For more information, refer to the manual that was provided with the ET.

Accessing Calibrations

Connect the ET to the machine. After communication has been established, the ET will list the electronic control modules that are on the machine. Choose the menu item "Hystat Trans D5". Select the drop-down menu that is called "Service". Then, select the "Calibration" function. The list of calibrations will appear.

Illustration 1	g00789139
Typical example of the calibration screen

The ET screen lists the conditions for setup and the procedures for the required calibrations. See Testing and Adjusting for each specific calibration procedure.