Great-plains 2025P Operator Manual User Manual Page 36

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2025P, 2020P Bedded, and
2010HDP
118-928M
8/14/2006
34
Refer to Figure 40
Minimum and maximum settings are indicated by
position of adjustment cam.
Each notch on the adjustment cam will increase
the down pressure on the opener springs. Use the
chart below as a setting reference.
Spring Down Pressure
Opener Seeding Depth
A press wheel attached to each opener body con-
trols seeding depth. To maintain consistent depth,
the relationship between the bottom of the opener
disks and press wheel is fixed upwardly.
The press wheels also close the seed trench and
gently press soil over seed. To provide consistent
soil firming, press wheels are free to move down
from normal operating position. This maintains
pressing action even if opener disks encounter
obstructions or hard soil.
Refer to Figure 41
Set opener seeding depth by adjusting T-handles.
To adjust, first raise openers slightly, then lift and
slide T-handles on top of openers as shown. Ad-
just all T-handles to the same setting.
For shallower seeding, slide T-handles for-
ward toward drill.
For deeper seeding, slide T-handles back
away from drill.
Cam Notch Pounds
one 250
two 275
three 310
four 370
five 430
six 490
21966
Minimum setting
Maximum setting
21967
Figure 40
Adjustment Cam Settings
Figure 41
Seed Depth Adjustment
12100
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