OM6007 2/99 Optional Equipment - Section 6 Payload Meter II Page 6-15 Calibrating a Truck The payload meter should be calibrated whenever one of the following occurs: 1. When a new payload meter is installed. 2. When a suspension sensor has been changed. 3. Whenever the suspensions have been serviced or the Nitrogen levels have changed. 4. Once a month thereafter. To calibrate the payload meter: 1. With the engine running and the truck stopped, press and hold the CAL/CLR switch until "CAL" is flashing on the display. 2. Drive the truck until the speed is approximately 6-10 MPH (10-15 Km/H) 3. Press the CAL/CLR switch once. 4. Drive until the display switches back to the time of day.
This will take up to 30 seconds. 5. The payload meter is now calibrated and ready for normal operation. Carry out this operation on flat level ground. Travel in a straight line. Maintain a steady speed, 6-10 MPH (10-15 Km/H)