GREAT PLAINS Yield-Pro 3P4025AH Field Adjustment Manual - Page 5

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Unit-Mounted Coulter Adjustment:

The ideal operating depth for unit-mounted coulters is 1/4 inch

above the opener depth. Although the coulters may have origi-

nally been set to this depth, coulter blades wear with time, and

may need to be adjusted.

1) Determine which hole will position the coulter closet to 1/4

inch above the opener depth.

2) Remove the bolt, lock washer and nut holding the coulter

blade in place.

3) Move the blade to the new position and fasten it to the

mount using the existing hardware.

Depth of (new) coulter blade relative

Hole No.

Shutter Adjustment:

The seed inlet shutter regulates the volume of bulk seed pre-

sented to the seed disk. Known as seed pool slopes, they

need to be set for each different material being used. Original

production meters included six settings for the shutter. Current

production meters have three additional settings midway

between 1 & 2, 2 & 3, 3 & 4.

Setting

Top

Closed: Row Shut Off: Meter Re-Fill

Small Seeds, Milo with little or no treatments

Small treat seeds and edible beans (Soybean)

III

IIII

Bottom

to (new) opener blades

1in (25mm) above

5/8in (16mm) above

1/4in (6mm) above

0 (factory setting)

3/8in (10mm) below

3/4in (19mm) below

Setting Typically Used For

Corn, round popcorn

Large corn, or heavily treated

Wide open: Clean-Out

48781

48493

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