Great Plains 1520P Operator Manual - Manual (Page 28)

1510P and 1520P
118-732M 5/6/2010
26
Opener Seeding Depth
Refer to Figure 16
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 17
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.
Figure 16
10 Series Opener with Meter
18272
Press wheel
Disk
12100
Figure 17
10 Series Opener Seeding Depth
T-Handle