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IMPORTANT:
The bottom edge of the coulter blade should be approximately 10 mm (3/8 in.) above the bottom edge of the seed openers. (Check this dimension with planter in planting position on any level surface.) This dimension will minimize the force required for penetration and help maintain a constant seed depth. In heavy straw, penetration and cutting action may be improved by running the bottom edge of the coulter blade slightly below the bottom edge of the seed openers.
As blade wears occurs, loosen nut (A) and lower arm to the next notch and tighten nut.
NOTE:
Do not operate coulter deeper than the seed opener when soil penetration is the limiting factor.
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