Great Plains NTA3007HD Operator Manual - Manual (Page 101)

Adjustments 97
04/04/2011 166-207M
Seed Firmer Adjustments
07HD Series row units include a seed flap, and accept
one of two optional seed firmers.
The seed flap requires no adjustment, but may need to
be replaced if worn (page 130), and may need to be
shortened if an optional seed firmer is added after initial
delivery.
Row unit disk blades may be sharp. Use caution when making
adjustments in this area. To adjust the Keeton Seed Firmer,
lower the drill until the disks of the row units are resting on the
ground.
Keeton Seed Firmer Adjustment
The optional Keeton Seed Firmer is an engineered poly-
mer shape that slides down the seed trench. It traps
seeds as they exit the seed tube and firms them into the
bottom of the “V”.
Refer to Figure 106
The Firmer is provided with a preset tension which is rec-
ommended for using the first year. The tension screw
can be tightened in subsequent years according to your
needs. Firmers should provide just enough tension to
push seeds to the bottom of the trench.
Seed-Lok™ Seed Firmer Lock-Up
Optional Seed-Lok firming wheels provide additional
seed-to-soil contact. The wheels are spring loaded and
do not require adjusting. In some wet and sticky condi-
tions the wheels may accumulate soil. To avoid problems
associated with this, you can lock-up the firmers.
Refer to Figure 107
To lock up Seed-Lock wheels:
1. Raise lever .
2. Pull up on Seed-Lok arm .
3. Release lever.
Null4:
Figure 106
Keeton Seed Firmer
26443
1
1
Null4:
Figure 107
Seed-Lok™ Lock-Up
24453
1
2
1
2