Coulter row alignment – Great Plains YP825A3P Operator Manual User Manual
Great Plains Manufacturing, Inc.
Coulter Row Alignment
Refer to Figure 49
For unit-mounted coulters, the ideal alignment is for the
blade to open a furrow directly ahead of the opener
As a check on coarse alignment, sight along the coulter
, the gap between the opener
, and the center-line between the press
. If they are clearly out of alignment, either the
coulter or the press wheels (or both) may be in need of
The exacting test of correct alignment is field results.
Operate the planter on some test ground (no seed
required), and verify that the opener blades are in the
groove opened by the coulter, and that the press wheels
are centered over the furrow. See “Press Wheel
Adjustment” on page 62 for press wheel alignment.
Refer to Figure 50
To adjust coulter alignment, loosen the four bolts
attach its bracket to the row unit. The holes on the row
unit are slotted, side-to-side, and allow the coulter
bracket sideways and rotational adjustment.
Keep the coulter blade vertical while adjusting.
If the blade cannot be brought into alignment, check that
the blade spindle itself is using the same hole location on
each side of the bracket.
25 Series Coulter Alignment
25 Series Coulter Mount