Ag Leader PF3000 Harvest & Application Operators Manual - Manual (Page 133)

PF3000 Calibrating Grain Weight
Ag Leader Technology (Harvest Mode)
April 2002 3-17
Step Action
11 Good Calibration Results:
If you have four or more calibration loads for grain or one to three
calibration loads, your goal after completing a calibration should be
to achieve an average error of 1 percent to 3 percent and a
maximum error of 3 percent to 5 percent. If you have less than
four calibration loads, the calibration errors may be slightly higher
than if you had four or more calibration loads.
If you find loads with high calibration errors after completing a
calibration, you should remove the loads as calibration loads by
pressing the CAL ON/OFF key. Press the PERFORM CAL key
again to restart the calibration.
Once you are satisfied with your calibration results, press the EXIT
key until you return to the main operating screen.
Reasons for high calibration errors on loads
•
Grain type set incorrect for the load
•
Moisture is incorrect for the load
•
Actual pounds value is not correct
•
Grain weighed is not the same amount of grain that was harvested into
the load (for example: combine or wagon tank not empty before starting
load or forgot to change loads and added more grain into load after grain
weighed)
•
Did not have 1/2 inch clearance between paddles and elevator housing at
top of elevator
•
Installation problem with deflector plate or flow sensor
•
Elevator speed is erratic
Recalibrating the
Monitor You can add or eliminate a calibration load and recalibrate the monitor any
time to improve the monitor’s calibration accuracy. If you have not achieved
satisfactory calibration results after entering 10 to 15 calibration loads (with
varied flow rates) something is wrong. Refer to the troubleshooting section
instead of adding more actual weights.