Unit-Mounted Coulter

CAUTION:

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Avoid crushing injury or death from a falling implement. Install the service locks before performing any service or adjustments under a raised planter:

Shift the tractor to Park or set the parking brake, stop the engine, and remove the key.

CAUTION: The coulter blades are sharp. Use gloves when handling the blades.

IMPORTANT: The bottom edge of the coulter blade is placed approximately 10 mm (3/8 in) up from the bottom edge of the seed openers in normal conditions. (Check this dimension with the planter in the plant position on any level surface.) The force required for penetration and the help to maintain a constant seed depth is minimized.

As the coulter blade wears, adjust the coulter depth.

IMPORTANT: An option in heavy straw is to position the bottom edge of the coulter blade under the bottom edge of the seed openers, but doing so can affect the seed depth.

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A - Cap Screw

The unit-mounted coulter can be used to assist the Tru-Vee™ opener to penetrate tough soil conditions and to cut or displace residue commonly found in reduced tillage conditions.

The coulter blade depth is controlled with the opener gauge wheels, weight adjustment, and cap screw (A). As blade wear occurs, loosen the cap screw (A), lower the arm to the next notch and tighten the nut.

If the soil is dry on top but moist underneath and the coulter blade is lifting mud to the surface, mud can accumulate on the gauge wheels and alter the seed depth. Either raise the coulter slightly, use a less aggressive blade, or remove the coulter in these soil conditions.

Use of an additional down force system is recommended with this attachment.

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A - Cap Screws

Adjust the coulter blade so it is directly in front of the Tru-Vee™ opener and is not running at an angle to the direction of travel.

To align side-to-side, loosen the cap screws (A) and slide the coulter.

If the coulter blade is running at an angle different from the direction of travel do the following:

  • Remove the cap screws (A).
  • Add washers, as required, between the back surface of the coulter casting and the front of the row unit.
  • Reinstall the cap screws (A).

Tru-Vee is a trademark of Deere & Company

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