HEATER GP-CAB 2053645 - Caterpillar

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Within the "CONTROL VALVE" menu, press the down key (6) in order to highlight "A1 VALVE EXTEND".
When the "A1 VALVE EXTEND" option is highlighted, press the OK key (8).
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The monitor will begin to communicate with the ECM. This may take a few moments. When the communication link is established, the monitor will display the calibration screen.
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(L) Lower limit
(U) Upper limit
(C) Current Value
(S) "STEP NUMBER" and "STEP NAME"
After the OK key is pressed, the "CALIBRATION TITLE" will appear. The "CALIBRATION TITLE" screen allows the upper limitation and the lower limitation to be set. Refer to Illustration 11. Note: The title of the calibration and the name of the step will change in accordance to the procedure that is being performed. "CALIBRATION TITLE" and "STEP NAME" are used in this document as an example.Note: In the "CALIBRATION TITLE" screen, "STEP No" is displayed in blue. The "OPERATION GUIDANCE" will be displayed in green.
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When a pressure gauge is connected to the pressure tap for the extend solenoid, press the OK key (8). Note: The "HYD OIL TEMP / ENGINE SPEED" screens are available during the process of calibration by pressing the up key (1) or the down key (6).
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Release all controls. When all controls are in the neutral position, press the OK key (8).
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Hold the attachment controls in the FORWARD position. Press the OK key (8).
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Press the right key (2) in order to increase the value. Press the left key (5) in order to decrease the value. Adjust the value until the gauge pressure is within the specification.
Press the device for activation 3 times and release the device for activation 3 times. Note: Pressing the device for activation three times ensures that an accurate reading will result.
Press and hold the device for activation to the FORWARD position. While you hold the device for activation, verify that the setting is correct. If the value of the setting is not correct, repeat Step 8 through Step 10.
When the value is within the specification, press the OK key (8).
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After the OK key is pressed the monitor will automatically continue with the tuning of the next pressure value. Hold the attachment controls in the FORWARD position. Press the OK key (8).
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Press the right key (2) in order to increase the value. Press the left key (5) in order to decrease the value. Adjust the value until the gauge pressure is within the specification.
Press the device for activation 3 times and release the device for activation 3 times. Note: Pressing the device for activation three times ensures that an accurate reading will result.
Press and hold the device for activation to the FORWARD position. While you hold the device for activation, verify that the setting is correct. If the value of the setting is not correct, repeat Step 13 through Step 15.
When the value is within the specification, press the OK key (8).
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Release all controls. When all controls are in the neutral position, press the OK key