Great Plains NTA3010 Operator Manual - Manual (Page 51)

Great Plains Manufacturing, Inc. Table of Contents Index Adjustments 47
2014-03-26 Table of Contents Index 160-219M-A
Seed Firmer Adjustments
10 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, and may need to be shortened if an
optional seed firmer is added after initial delivery.
Sharp Object Hazard:
Row unit disk blades may be sharp. Use caution when making
adjustments in this area.To adjust the Keeton
®
Seed Firmer,
lower the planter until the disks of the row units are resting on
the ground.
Keeton
®
Seed Firmer Adjustment
The optional Keeton
®
Seed Firmer is an engineered
polymer 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 55
The Firmer is provided with a preset tension which is
recommended 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
conditions the wheels may accumulate soil. To avoid
problems associated with this, you can lock-up the
firmers.
Refer to Figure 56 (which depicts a row unit with the opener
blades removed for clarity)
To lock up Seed-Lock wheels:
1. Hook one end of chain in opener-body hole just
above wheel arm
.
2. Pull firming-wheel arm up as high as possible and
wrap chain around arm .
3. Hook other end of chain in a link. Leave no slack in
chain; secure wheel arm in its highest position.
Figure 55
Keeton
®
Seed Firmer
26390
1
1
Figure 56
Seed-Lok
®
Lock-Up
16856
3
2
1
1
2
3