Great Plains NTA3007 Operator Manual - Manual (Page 118)

114 NTA907 or NTA3007 Table of Contents Index Great Plains Manufacturing, Inc.
166-371M Table of Contents Index 2012-07-02
Opener Depth (Press Wheel Height)
Refer to Figure 117 (depicting similar 07HD row unit)
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. Adjust all press wheels
to the same height.
• Each increment of the handle adjusts the seeding
depth by approximately 6.3 mm (
1 ⁄
4
inch). The range is
approximately 0 to 8.9 cm (0 to 3
1 ⁄
2
inch) seeding
depth.
• For more shallow seeding, slide T handles forward
toward implement.
• For deeper seeding, slide T handles backward
away from implement.
If press wheels are lifting off ground, increase hydraulic
down pressure.
If press wheels are digging into ground, reduce hydraulic
down pressure.
Figure 117
Adjusting 07 Opener Depth
32237
1
2
B
F
1
2
2
F
B