Great Plains 606NT Operator Manual - Manual (Page 37)

Great Plains Manufacturing, Inc. Table of Contents Index Adjustments 33
2014-02-10 Table of Contents Index 151-061M
05/06 Series Row Unit Adjustments
Refer to Figure 31 (which depicts an 06 Series row unit
populated with most optional accessories)
From front to back, an 05/06 Series row unit (opener)
can include the following capabilities (some optional):
1. Coulter (standard)
This is not part of the opener, but is co-mounted with
it on the tool bar. See “Coulter Adjustments” on
page 31.
2. Opener Discs (standard)
Row-unit double disc openers create the seedbed
furrow. They have adjustments for spacing. See
“Disc Blade Adjustments” on page 35.
3. Main Seed Hose (standard)
Seed released by the metering cups is gravity fed by
the hose to the seed tube (not shown) between the
opener discs. The hose and seed tube require no
adjustments.
4. Down-Pressure Springs (standard)
Two springs per row provide the primary force on the
opener discs. The spring setting may need
adjustment for challenging soil conditions and/or for
changes in coulter depth. See “Opener Spring” on
page 34
5. Inside Scraper (standard)
This feature helps prevent soil buildup on the inside
surfaces of the opener discs, allowing them to meet
sharply and prepare a crisp seed furrow. See “Disc
Scraper Adjustment” on page 36.
6. Seed Firmer (seed flap standard)
A seed firmer confines seed bounce and can press
the seed into the furrow. The standard seed flap
requires
a
no adjustments. See “Seed Flap
Replacement” on page 45. Optional Keeton
®
or
Seed-Lok
®
firmers do have adjustments. See “Seed
Firmer Adjustments” on page 37.
7. Option Seed Hose(s) (optional)
If Native Grass or Small Seeds options are installed,
there will be one or two additional seed hoses at or
aft of the springs. The Small Seeds tube may be
reversed if desired. See “Seed Firmer
Adjustments” on page 37.
8. Press Wheel Height (standard)
The T-handle is primary control for seeding depth.
See “Opener Depth (Press Wheel Height)” on
page 38. The press wheels have no other
adjustments, but a choice of press wheel styles and
sizes is available. Consult your dealer.
a. The seed flap may need to be shortened in length if an optional Keeton ® or Seed-Lok ® firmer is installed.
Machine Damage Risk:
Never back up with row units on or in the ground. Seed tubes
will plug or be seriously damaged. Raise the drill for all
reverse and short radius turns, and when stopping while facing
up hill.
Figure 33
06 Series Row Unit
32720
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2
3
4
5
6
7
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