Great Plains three-point drill: calibrate the seed rate
Measure actual delivered seed rather than relying on the rate chart alone.
Great Plains · Manual
Operator / maintenance manual. Searchable document with page references. Publication 166-372M-ENG · see cover date
Confirm model, serial/PIN range, region and installed components. External documents and media are provided by their publishers; Knopp Management is independent of these manufacturers.
Measure actual delivered seed rather than relying on the rate chart alone.
Compare good and bad rows to separate metering, delivery and opener faults.
Check scraper drag, soil buildup and bearings before changing down pressure.
Operator / maintenance manual. Searchable document with page references. Publication 118-389M-A · see cover date
Operator / maintenance manual. Searchable document with page references. Publication 150-166M · see cover date
Operator / maintenance manual. Searchable document with page references. Publication 195-069M · see cover date