Great-plains 3P1006NT Operator Manual User Manual Page 35

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2011-12-20 Table of Contents Index 151-144M
Great Plains Manufacturing, Inc. Table of Contents Index 31
Adjustments
To get full performance from your drill, you need an
understanding of all component operations, and many
provide adjustments for optimal field results.
The 3P1006NT has double-disc 06 Series openers with
depth-controlling press wheels mounted on floating
opener frames. Opener bodies are staggered for easy
soil flow. All openers pivot on a common axis to maintain
consistent depth as the opener frame follows contours. A
spring provides the down pressure necessary for double
discs to open a seed furrow. The spring allows openers
to float into depressions and over obstructions. Individual
openers can be adjusted to account for tire tracks.
Even if your planting conditions rarely change, some of
these adjustment items need periodic attention due to
normal wear.
Seed and Fertilizer Rate
Seed are applied by fluted feed meters driven by the
ground wheels. Independent mechanisms drive main
seed, fertilizer, native grass and small seeds application.
Main Box Seed rate is controlled by adjustments for:
Left Drive Type gearbox lever
Seed Rate Handle at box (drill front)
Feed Cup Door (one each seed tube)
Dual Box Seed rate is controlled by adjustments for:
Right Drive Type gearbox lever
Seed Rate Handle at box (drill rear)
Feed Cup Door (one each seed tube)
Native Grass rate is controlled by:
Rate Reduction Sprockets (see manual 202-583M)
Right Drive Type gearbox lever (drill front)
Driven Sprocket at Native Grass Seed box
Small Seeds rate is controlled by a Rate Handle at box
(drill rear)
Fertilizer rate is controlled by a Rate Adjuster at box
(drill rear)
Planting Depth
Setting nominal planting depth, and achieving it
consistently, is affected by multiple adjustable drill
functions, from greatest to least effect they are:
Coulter Height
Opener Depth (Press Wheel Height)
Opener Down Pressure, and;
Disc Blade Adjustments (as blades wear).
Adjustment Page The Adjustment Affects
Leveling the Drill
Frame Height (Front) 16 Coulter depth
Lift-Assist Spacers (Rear) 17 Front-to-back frame level and consistent seeding depth
Eyebolt Adjustment 50 Side-to-side frame level
Drill Weight Adjustment 34 Achieving coulter depth in heavy No-Till conditions
Setting Main Box Seed Rate SRM Main seed population
Setting Native Grass Rate SRM Native Grass population
Small Seeds Rate SRM Small seeds population
Setting Fertilizer Rate SRM Fine control of application rate
Row Unit Adjustments 35
Disc Blade Adjustments 36 Consistent seeding depth
Opener Down Pressure 37 Level row units and consistent seeding depth in tire tracks
Disc Scraper Adjustment 37 Consistent seeding depth
Seed Firmer Adjustments 38 Consistent seed placement and coverage
Opener Depth (Press Wheel Height) 39 Seeding depth.
SRM Rate setting details are in the Seed Rate Manual, part number 151-144B, normally located in the Manual-Pak™enclosure
at the front of the drill.
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