FAN 2Y9548 - Caterpillar

Excess Mode
The Excess mode is entered by pressing the "EXC" key or the optional Excess button. The operator must enter the "EXCESS" mode before performing excess weighing. The top line of the display will show the message "EXCES". In this mode, a partial bucket can be dumped into the truck. Tilt back the bucket and then press the "EXC" key. The current weight of the bucket will be subtracted from the previous weight of the bucket. A new total of the truck will be shown.This function can be repeated again. Dump some additional material, and then repeat the excess function. All excess weighing must be done with a fully tilted back bucket.You may lift the bucket again. The preferred method is lower the bucket below the "Start to Lift" point. Then press the "EXC" key in order to enter the "EXCESS" mode. Place the lift control lever into the detent position in order to lift the bucket. Use a constant engine speed. Perform a smooth lift.The payload control system will return to the normal weigh mode when the weight of the bucket has been subtracted from the weight of the truck.The Excess mode can be aborted by pressing the "CLEAR" key, the "EXC" key, or the optional Excess button.Zero Function
The zero function is used in order to adjust for changing weight of the bucket. As the bucket begins to wear, the empty weight of the bucket will become a negative value.Warm the machine to normal operating temperature. Weigh an empty tilted back bucket. The engine speed should be 2000 rpm. Press the "ZERO" key within thirty seconds. The weight of the bucket should be within 8% of the full weight of calibration. The new zero will be accepted. The message "ZERO ACCEPTED" will be displayed on the top line if the new zero offset is accepted.Immediately weigh the empty bucket. The display should read zero.The message "WEIGH EMPTY, PRESS ZERO" will be shown if the current empty weight of the bucket was taken prior to thirty seconds. If the weight is too large, the message "TOO HEAVY FOR ZERO" will appear and the payload control system must be recalibrated. Identification of the Truck
A five digit number is used for identification of the truck. (0 to 99999).This mode is entered by pressing the "TRK" key while you are in the normal mode. The current truck will be displayed on the bottom line. A new truck can be selected by entering a numerical identification number. Press the "STORE" key in order to save the new identification number of the truck. This mode can be aborted by pressing the "CLEAR" key. Identification of the Material
This mode is entered by pressing the "MAT" key while you are in the normal mode. The currently selected material will be displayed on the top line. The index number of the material is displayed on the bottom line.A new material can be selected by using one of two methods. (1) Enter the new number of the