Optional Equipment - Section 6 OM6004 Page 6-6 Haulpak Payload Meter To perform calibration: 1. Stop the truck and set the wheel brake lock. NOTE: If the "CAL" button is pressed while the wheel brake lock is off, the "CAL" button will be ignored . 2. Press the "CAL" button. The display will blink "CAL". To cancel press the "CAL" button again. The display will blink "SCH". Press the "CAL" button one more time and the display will return to normal display logic. 3. Begin driving the empty truck at 6 MPH on a level smooth haul road. Press the "CAL" button again. The display will stop blinking and "CAL" will be displayed. Continue to drive the truck.
After 30 seconds the display will return to the time of day display and calibration will be complete. SENSOR CHECK A sensor check is performed to determine if the empty condition of the truck has changed or a sensor’s sensitivity has changed. Pressure and inclinometer outputs are measured under the same conditions as the calibration procedure. An error code will be displayed if a sensor is out of order. See error code table. If an error code is displayed carry out the calibration procedure. To perform a sensor check: 1. Stop the truck and set the wheel brake lock. NOTE: If the "CAL" button is pressed while the wheel brake lock is off, the "CAL" button will be ignored. 2.
Press the "CAL" button. The display will blink "CAL". 3. Press the "CAL" button again. The display will blink "SCH". To cancel press the "CAL" button one more time and the display will return to normal display logic. 4. Begin driving the empty truck at 6 MPH on a level smooth haul road. Press the "CAL" button again. The display will stop blinking and "SCH" will be displayed. Continue to drive the truck. After 30 seconds the display will return to the time of day display or an error code will be displayed and the sensor check will be complete. DIMMING DISPLAY Press the "LIGHT" button and hold. The LED display will dim in ten steps. Release the button at the desired level.