26. HANDLING PAYLOAD METER 26.3.2 OPERATION OF SWITCHES WHEN CARRYING OUT CALIBRATION Carry out calibration at the following times. When the machine is delivered, and once every month after that. When the gas pressure and oil have been adjusted in the suspension cylinder. (When the suspension has been adjusted.) When the machine has been modified and the unladen weight has changed more than 100 kg. When the suspension pressure sensor has been replaced. When other modifications have been made around the suspen- sion. When the built-in battery has been replaced. When CAL is displayed. METHOD OF CARRYING OUT CALIBRATION 1. Set the machine with the dump body empty. 2.
Place the shift lever at the N position, and press calibration switch 1 for at least 2 seconds. (The letters CAL flash) 3. Drive the machine slowly and when the travel speed reaches approx. 10 km/h (6.2 MPH), press calibration switch 1 again. (The letters CAL light up) The display returns to the time display to show that the operation is completed. Carry out calibration on a flat even road surface. Travel in a straight line. (Distance: Approx. 100 m (328 ft)) Keep the machine traveling at a constant travel speed. The calibration data are written to the internal RAM, and are retained even when the power is turned off.
To stop the calibration operation (when in neutral), press calibra- tion switch 1 again. The display will change from a flashing CAL to a flashing SCH. When calibration switch 1 is pressed again, the display will return to the normal display. AD134720 5-6