Great Plains
| 118-949M | 2018-07-03
70
1525P and 1510HDP
Adjustments
Opener Depth
10HDP Opener Depth
Seeding depth on 10HDP Series is set by
frame-mounted coulter depth (if installed) and row unit
depth. Set frame height (page 53) before making row unit
depth adjustments.
10HD Series press wheel height is a stop adjustment
and not a spring adjustment. It establishes a fixed
relationship between opener depth and the closed-furrow
surface at the press wheel
Set opener seeding depth by adjusting press-wheel
height
. To adjust, first raise openers slightly, then lift
and slide T handles
on top of openers. Initially adjust
all press wheels to the same height. Individual rows
running in tire tracks may need to be set deeper
a
.
•
For more shallow seeding, slide T handles
forward
toward drill.
•
For deeper seeding, slide T handles backward
away from drill.
If press wheels are lifting off ground, check front-to-back
level, and increase row unit spring down force.
If press wheels are digging into ground, reduce spring
down force at the row units.
25P Opener Depth
The “T” handle
sets planting depth by limiting the how
high the side depth gauge wheels ride relative to the
opener disks. The position of the seed tube itself is fixed
relative to the disks, and is not adjusted.
With the drill raised, lift both side depth wheels against
the stop and measure the depth of exposed opener disk
below it. Do not lift just one wheel, as the 25 Series
T handle sets the average depth of both wheels.
Alternatively, check the actual furrow depth with openers
lowered and pulled forward in field conditions.
To adjust seed depth, pull the “T” handle up and back,
move it forward or aft, and set it back in a different pair of
holes in the scale.
•
For shallower planting, move the “T” handle forward.
•
For deeper planting, move the “T” handle back.
Check opener down-pressure and press wheel(s) after
adjusting depth. See “
a. If frame-mounted coulters are installed, adjust them for tire tracks before adjust T-handles. The coulter depth adjustment may be all that’s
required to compensate for tracks.
Figure 98: 10HDP:
Initial Opener Depth
27124
1
2
F
B
1
Figure 99: 25P:
Opener Depth
29330
{
Inspect Furrow Here
