Yetter 2960-020 Unit Mounted Conservation Coulter for 800/900/950/955/1200 Cyclo Planters - Manual (Page 11)

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Figure A. – The planter hitch and frame are both 20” off the ground. To ensure this, visually
check to see that the planter boxes are level and that the planter unit parallel arms are also
parallel with the ground. When using planter attachments located in front of the planter unit,
this setting is very important.
Figure B. – The planter hitch is set too low while the planter frame remains at 20” off the
ground! Notice from the illustration that the unit mounted coulter is running deeper in the
ground than the planter unit. This condition can result in the formation of an air pocket
below the seed bed which will in turn dramatically decrease seed growth.
NOTE: Both illustrations are strictly for reference only. They are intended to show that proper
adjustment of the hitch height is critical. Consult your planter operator’s manual for the
proper height adjustment of the hitch.