You can change the blades on a 750 without messing with the hub and arm. Start the meter wheel in at the 7:00 o’clock position, as this pushes back the slide and helps with the installation of the wheel This great plains grain drill field adjustment guide provides instructions for setting up the machine before going to the field and adjusting for proper performance
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The guide covers topics such as gauge wheel adjustment, seed depth, seed rate, and opener spring tension.
Gauge wheel arm should pivot with just enough drag so that raised arms with wheels attached will not rotate downward until external force is applied
Here’s a look at some of the options available on gauge wheels, and the factors to consider when making a choice At the same time, keep side gauge wheels close to the opener disks so openers do not plug with soil or trash but far enough out so the disks and wheels turn freely. For drills with “10” series openers (parallel arm opener) the top clevis must be in the lower hole of the gauge wheel mount For drills with “00” series openers (straight arm openers) the top clevis must be in the top hole of the gauge wheel mount.
