Great Plains NTA2007 User Manual

Table of Contents Appendix
Manufacturing, Inc.
www.greatplainsmfg.com
Seed and Fertilizer Rate Charts for Air Drills with Variable Rate Gearbox (VRG) Metering, models: NTA607 or NTA607HD, NTA907 or NTA907HD, NTA2007 or NTA2007HD, NTA3007 or NTA3007HD, and ADC2350 or ADC2350B Air Drill Carts with all compatible air drill implements
The following pages are to assist in the proper setting of seeding and fertilizer rates for the air drill.
To assure the most accurate application rates it is recommended that the air drill be calibrated for the desired materials at the time of planting.
ORIGINAL INSTRUCTIONS
© Copyright 2012 Printed 2012-01-03 167-085B
EN
Great Plains Manufacturing, Inc. Cover Appendix ii
Table of Contents
Introduction ..................................................................1
Drill Models Covered ......................................................1
Setting Planting Rate......................................................1
Setting Meter Rate........................................................2
Check Flute Shaft Configuration ....................................2
Find Your Chart and Rate ..............................................2
Monitor Material Configuration .......................................3
Material Configuration Setup Screen for Seeds .........3
Meter Rate Adjustment...................................................4
Seed Meter Final Drive Range ...................................5
Setting Variable Rate Gearbox...................................6
Meter Calibration ........................................................7
Calibration Procedure.............................................7
Calibration Crank....................................................8
Changing Flute Stars................................................12
Seed Rates ..................................................................13
Reading Seed Rate Charts ..........................................13
Alfalfa (Medicago sativa) .......................................... 14
Millet (Pennisetum glaucum, Setaria italica, Panicum
miliaceum, Eleusine coracana).............................19
Milo (Sorghum).........................................................21
Milo (Sorghum).........................................................22
Oats (Avena sativa)..................................................23
Peas (Pisum sativum)...............................................24
Soybeans (Glycine max) ..........................................25
Sunflowers (Helianthus annuus)...............................26
Wheat (Triticum).......................................................27
Dry Fertilizer Rate.......................................................28
Reading Dry Fertilizer Rate Charts ..............................28
Fertilizer Rates (2 Stars)...........................................29
Liquid Fertilizer Rates................................................30
Liquid Fertilizer Rate Setting Steps ..............................30
Set Pump Adjuster ...................................................31
Determine Orifice Size..............................................31
Install Orifice Plates .................................................32
Row Shut-Off............................................................32
Strainer.....................................................................33
Setting Relief Valve..................................................33
Web Fertilizer Rate ..................................................34
Web Data, Low Range, USc ................................35
Web Data, Low Range, Metric .............................35
Slide Chart Fertilizer Rate ........................................36
Slide Chart Data...................................................36
Chart Liquid Fertilizer Rates.....................................37
NTA607/2007/HD Sample Liquid Fertilizer Rates 37
Appendix..................................................................... 38
Density Adjustment ...................................................... 38
High Rate Flute Charts ................................................39
Oats (3 Stars)...........................................................39
Oats (4 Stars)...........................................................40
Peas (3 Stars) .......................................................... 41
Peas (4 Stars) .......................................................... 42
Soybeans (3 Stars) .................................................. 43
Soybeans (4 Stars) .................................................. 44
Wheat (3 Stars) ........................................................ 45
Wheat (4 Stars) ........................................................ 46
Fertilizer Rates (3 Stars) .......................................... 47
Fertilizer Rates (4 Stars) .......................................... 48
Small Seeds Rate Charts............................................. 49
Alfalfa (Medicago sativa).......................................... 50
Canola (Brassica napus L., Brassica campestris L.,
Brassica Rapa var)............................................... 52
Millet (Pennisetum glaucum, Setaria italica, Panicum
miliaceum, Eleusine coracana) ............................54
Milo (Sorghum)......................................................... 56
Orchard Grass (Dactylis glomerata)......................... 58
Timothy Grass (Phleum pratense) ........................... 60
© Copyright 2007, 2008, 2009, 2010, 2011, 2012 All rights Reserved
Great Plains Manufacturing, Inc. provides this publication “as is” without warranty of any kind, either expressed or implied. While every precaution has been taken in the preparation of this manual, Great Plains Manufacturing, Inc. assumes no responsibility for errors or omissions. Neither is any liability assumed for damages resulting from the use of the information contained herein. Great Plains Manufacturing, Inc. reserves the right to revise and improve its products as it sees fit. This publication describes the state of this product at the time of its publication, and may not reflect the product in the future.
2012-01-03 Cover Appendix 167-085B
Trademarks of Great Plains Manufacturing, Inc. include: Singulator Plus, Swath Command, Terra-Tine.
Registered Trademarks of Great Plains Manufacturing, Inc. include:
Air-Pro, Clear-Shot, Discovator, Great Plains, Land Pride, MeterCone, Nutri-Pro, Seed-Lok, Solid Stand,
Terra-Guard, Turbo-Chisel, Turbo-Chopper, Turbo Max, Turbo-Till, Ultra-Till, Verti-Till, Whirlfilter, Yield-Pro.
Brand and Product Names that appear and are owned by others are trademarks of their respective owners.
Printed in the United States of America
Great Plains Manufacturing, Inc. Contents Appendix 1

Introduction

This manual is your guide to drill adjustments for achieving specific seed population and fertilizer density targets.
Although some setup/adjustment material herein is repeated from the cart and drill Operator Manuals, you need to be thoroughly familiar with cart and drill operations and adjustments before applying the data from this Seed and Fertilizer Rate Charts Manual.

Drill Models Covered

This manual covers Great Plains air drill/cart models with meters (dosing units) controlled by one or two Zero-Max® Variable Rate Gearboxes (VRG). This includes the following models. Not all models are available in all locales.
Drills used with ADC2350B Air Cart:
3N4010HDA 3-Section 40ft Heavy Duty Air Drill
Drills used with ADC2350 Air Cart
CTA4000 2007+ 40ft Conventional Till Air Drill
CTA4000HD CTA4000 Heavy Duty opener NTA3010 2007+ 30ft No-Till Air Drill NTA3510 2007+ 35ft No-Till Air Drill
Integrated Air Drills
NTA607 6m No-Till Pneumatic Drill NTA607HD 6m No-Till Heavy-Duty Pneumatic Drill NTA907 9m No-Till Pneumatic Drill NTA907HD 9m No-Till Heavy-Duty Pneumatic Drill NTA2007 20ft No-Till Air Drill NTA2007HD 20ft No-Till Heavy-Duty Air Drill NTA3007 30ft No-Till Air Drill NTA3007HD 30ft No-Till Heavy-Duty Air Drill
The rate charts are independent of drill width and row spacing. With ADC2350/B carts, setup sprockets on the air cart compensate for differences between the drill models. If the air cart was ordered for use with a different drill model than actually used, check the setup sprocket configuration. See the air cart Operator Manual.
a

Setting Planting Rate

There are four steps to obtaining the target number of seeds, or fertilizer kg (or pounds), per hectare (or acre):
1. Enter seed monitor setup information Refer to your material containers or material supplier. The charts include default values.
2. Set Final Drive Range on seed meter Unusual rates may require an optional meter flute (“stars”) kit installation.
3. Set Variable Rate Gearbox.
4. Calibrate See “Meter Calibration” on page 7.
Calibrate each meter separately, even if the hoppers contain the same material.
Note: Units of Measure:
This manual provides most values in dual units of measure (metric and U.S. customary). If you prefer a manual that is metric only, obtain a copy of manual part number 167-085B-ENG.
a. Non-VRG models not covered include 3N4010HDF, 3N4010HDP, ADC0295, ADI334, ADI345, ADI434, ADI445, ADC1150, ADC2200,
ADC2250, CDA600, NTA1000, NTA1300 and NTA2000.
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2 Great Plains Manufacturing, Inc. Contents Appendix VRG Air Drills

Setting Meter Rate

Check Flute Shaft Configuration
Refer to Figure 2 (which depicts a single flute “star” with its halves, a single star mated, two stars staggered, and a filler)
Know your “stars” (dosing roller) setup. If your air cart has never been changed from factory standard, you have meter flute shafts with two deep-flute “stars” (4 halves) per outlet. How many “stars” you have determines which rate seed rate chart to use.
Refer to Figure 3 (depicting an inspection from below meter)
If the configuration is not known, inspect the flute shaft from the hopper lid (if hopper empty), or from below the meter, with the calibration door fully open. It is not necessary to remove the shaft. Inspect the flutes , and filler rings at active outlets.
On a standard “2 star” shaft, each seed drop outlet contains two flute sets (4 halves), each pair staggered slightly from the next. Unused outlets are fully blocked by filler rings .
On an optional “3 star” shaft, each outlet contains 3 flute sets of the deep style .
On an optional “4 star” shaft, each outlet contains 4 flute sets of the deep style , with no fillers between adjacent drops.
On an optional Small Seeds shaft, each outlet contains one set of narrow, shallow flutes .
3
4
1
1
2
1
1

Find Your Chart and Rate

1
Figure 2
Flute Stars and Filler
1
3
Figure 3
Checking Flute Shafts
3
2
32400
4
26426
Standard “2 star” rates begin on page 13. “3 star”, “4 star” and Small Seeds rates are in the Appendix, starting on page 38.
If you are planning to apply two different materials (such as seed and fertilizer) in each hopper, perform the setup steps separately for each hopper, as the configurations (including stars) may be completely different.
1. Confirm that the chart is for the material and star configuration you have.
2. Find your target population or application rate.
Note: If you have a choice of charts, for most consistent
results, pick one that results in a variable rate gearbox value between 30 and 70.
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Great Plains Manufacturing, Inc. Contents Appendix Setting Meter Rate 3
Monitor Material Configuration
The DICKEY-john® IntelliAg® monitor reads meter shaft rpm and can report Kg/ha (or pounds-per-acre) planted.
In order to report accurately, the monitor requires several user inputs. Inputs that rarely change were entered during cart setup (see “Setup Seed Monitor for Air Drill” in the air cart Operator’s Manual). Inputs specific to particular materials (seed or fertilizer) need to be entered when those materials are first used, and when changed.
®
See the DICKEY-john Air Cart Control Operator’s Manuals for more detailed instructions. This Rate manual section covers only monitor information needed for seed rate calibration.
Quick Start guide and
1. Material Configuration Setup Screen for Seeds
Type” - This must be set to “Gran Seed Monitor” to configure for seeds.
Density Units” - In metric mode this is always kg/litre. If configured for “U.S.” mode (U.S. customary units), this is pounds-per-bushel or pounds-per-cubic-foot.
Density” - This is the density of seed being planted. Obtain this information from the material container/ supplier. If unknown, use the value specified in the rate chart.
Total Number of Towers” - This is the number of outlets used per meter box (typically 4, 5 or 6).
Calibration Constant” - This is the number listed in the seed rate charts for the rate you are planting or the number obtained from running the calibration routine for your specific seed.
25421
Note: Always enter Density Units before entering the
Density value. Changing the value of Density Units causes the value for Density to be re-
computed
2. Material Configuration Setup Screen for Fertilizer
Type” - This must be set to “Gran Fert Monitor” to configure for fertilizer.
Density” - Enter the density of Fertilizer being applied, in kg-per-litre (or pounds-per-cubic-foot). Obtain this information from the material container/supplier. If unknown, use the value specified in the rate chart.
Total Number of Towers” - This is the number of outlets used per meter box.
Calibration Constant” - This is the number listed in the seed rate charts for the rate you are planting or the number obtained from running the calibration routine for your specific fertilizer.
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4 Great Plains Manufacturing, Inc. Contents Appendix VRG Air Drills

3. Channel Setup Screen

Channel 1 setups are for the front hopper. Channel 2 setups are for the rear hopper.
Type” - Set this to either “Gran Seed Monitor” or “Gran Fert Monitor” based on the type of material in each hopper.
Material Name” - Choose the name of the material configured for each channel in steps 1 and 2 above.
Sensor Constant” - [ 360 ]
Gear Ratio” - [ 1 ]
Channel Width” - is your Implement Width (swath) in cm (inches). Precise row/swath data is found in the air cart or implement Operator Manuals.
If the monitor inputs are correctly entered, the monitor is a handy tool for fine-tuning the variable rate gearbox setting. If the rate reported by the monitor does not match the target planting rate, rotate the crank to adjust the variable rate gearbox control arm slightly so as to achieve the target planting rate.
Consult the DICKEY-john® manual for how to configure reporting and alerts.

Meter Rate Adjustment

Seed rate is determined by:
• seed meter Final Drive Range gearing
• Variable Rate Gearbox setting
The Seed Rate Charts are based on cleaned untreated seed of average size and test weight. Many factors affect meter rates including foreign material, seed treatment, seed size, field conditions, and test weight.
Minor adjustments will be needed to compensate for these factors. Initially set the rates according to the charts, then calibrate for your material and conditions.
Calibration is also required to set up the monitor Calibration Constant. With the correct Calibration Constant and material density the monitor can be used to help fine tune the variable rate gearbox setting.
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Great Plains Manufacturing, Inc. Contents Appendix Setting Meter Rate 5

Seed Meter Final Drive Range

Refer to Figure 4 and Figure 5 (which depict meters without guards - if your cart included guards, do not operate without them)
The meter flute shaft is driven by the agitator shaft through a pair of interchangeable gears , . The positioning of these gears creates two final drive ranges.
Each rate chart is based on a specific Final Drive Range. The Ranges are:
“High” range, which is used for larger seeds and higher seeding rates
“Low” range, which is used for smaller seeds and lower seeding rates
The two seed meter shafts are labelled “DRIVING” and “DRIVEN”. The “DRIVING” shaft is the upper shaft. The “DRIVEN” shaft is the lower shaft.
Refer to the Seed Rate Chart (or Fertilizer Rate Chart), the table below, and Figure 4 and Figure 5 for setting the seed meter final drive range.
1 2
3 4
3
DRIVEN
1
Figure 4
Low Final Drive Range
4
DRIVING
2
26368
FINAL DRIVE
RANGE
LOW RANGE 17 Tooth Small 54 Tooth Large HIGH RANGE 54 Tooth Large 17 Tooth Small
1. Remove the lynch pins from the ends of both
shafts.
2. Remove and position the gears as shown in the table
above.
3. Secure with lynch pins.
DRIVING DRIVEN
5
DRIVEN
5
Figure 5
High Final Drive Range
DRIVING
5
26369
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6 Great Plains Manufacturing, Inc. Contents Appendix VRG Air Drills

Setting Variable Rate Gearbox

The variable rate gearbox allows an infinitely variable meter drive speed to attain a wide range of metering rates. The ratio of gearbox input speed to output speed is controlled by the position of a gearbox control arm. The control arm has an indicator that points to a scale marked in degrees. The Seed Rate Charts (or Fertilizer Rate Charts) show the rate for each degree of arm rotation.
Refer to the rate charts and set the variable rate gearbox control arm to its scale setting for the target rate. With the optional servo-controlled meters (Variable Rate Kit), the rate is set via the console terminal.
To adjust the Variable Rate Gearbox for each hopper:
Refer to Figure 6
1. Remove the hairpin cotter securing the gearbox adjustment crank.
2. Rotate crank until the control arm indicator points to the scale setting that matches the rate from the chart, or as determined by calibration.
3. Re-insert the hairpin cotter.
Note: The variable rate gearbox operates optimally
between 30 and 70. If a material has charts for both HIGH Range and LOW Range, the most consistent results are obtained when the gearbox control arm is set between 30 and 70. Settings below 20 degrees are not recommended. When the control arm is set above 70 degrees, large movements of the arm result in small changes in seeding rate.
Note: If you will be metering the same material from both
bins at the same time, use the chart entry for half the target application rate. Do not use a half scale setting - the effect of the variable rate gearbox control arm is not linear.
1
2
Figure 6
Variable Rate Gearboxes
3
26306
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Great Plains Manufacturing, Inc. Contents Appendix Setting Meter Rate 7

Meter Calibration

The rate charts are based on cleaned untreated seed of average size and test weight. Many factors affect meter rates including foreign material, seed treatment, seed size, field conditions, and test weight. The Fertilizer Rate Chart is based on a representative granular fertilizer.
Great Plains recommends calibrating for the exact materials you intend to apply. Calibration determines two very important settings for achieving accurate rates:
• The Kg/ha (or pounds per acre) of the meter at the current variable rate gearbox setting for your particular seed or fertilizer.
• The Calibration Constant for the monitor to accurately report the planting rate of your particular seed or fertilizer.
Calibration Procedure
The seed monitor must be correctly set up for both the air drill and the material(s), or the calibration will not result in useful console displays.
1. Set the Final Drive Range gears and Variable Rate
Gearbox setting to the values suggested in the Seed Rate Chart (or Fertilizer Rate Chart).
2. Make sure there is enough material in the hopper(s)
for at least1⁄10 hectare (or1⁄10 acre) plus an extra 35 to 45 Kg (75 to 100 pounds).
Refer to Figure 8 (which depicts a meter without guards - if your cart included guards, do not operate without them)
3. Only one calibration bag is provided, so remove one
of the final range gears from the meter that is NOT being tested, to disable it.
4. Open the calibration door of the meter being
calibrated. The calibration door is the door furthest from the DRIVING gear, and may be marked with a decal.
1
2
DRIVEN
2
Figure 7
Calibration Door Open
1
DRIVING
26339
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8 Great Plains Manufacturing, Inc. Contents Appendix VRG Air Drills
Calibration Crank
Loss of Material Risk:
Do not open the door under the DRIVING gear. This is the clean-out door. Opening this door drains the hopper. Once the clean-out door is open it is difficult to stop seed flow until the hopper is empty, and impossible to close it with a seal tight enough for application.
Refer to Figure 8 or Figure 10
5. Mount calibration crank:
ADC2350/B: onto clutch shaft. See “Meter Hand Crank” in air cart Operator Manual for operations.
NTA907/3007/HD: onto contact drive shaft. See
Figure 8
ADC2350/B Calibration Crank
26333
Calibration Crank” in Operator Manual for operations.
Machine Damage and Rate Risks:
Rotate calibration crank only in the correct direction: ADC2350/B: COUNTERCLOCKWISE NTA607/2007/HD COUNTERCLOCKWISE NTA907/3007/HD: CLOCKWISE on left side, at contact
drive (as shown in Figure 10) or at jackshaft (2012+ models), COUNTERCLOCKWISE on right side at contact drive
Operating in reverse can cause gearbox damage.
6. Turn the calibration crank enough turns to be sure the meter flutes are full and the system is metering.
Possible Agricultural Chemical Hazards:
Obey manufacturer or grower recommendations for safety equipment and protective gear when using treated seeds.
7. Wipe all material off the flanges around the meter door.
Figure 9
NTA607/2007/HD Calibration Crank
31171
Figure 10
29417
NTA907/3007/HD Calibration Crank
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Great Plains Manufacturing, Inc. Contents Appendix Setting Meter Rate 9
8. Accurately weigh an empty container large enough to catch material coming out of the meter. The calibration bag supplied with your cart or drill weighs:
ADC2350/B: 1.52 Kg (3.36 lbs) NTA607/2007/HD: 0.91 Kg (2.0 lbs) NTA907/3007/HD: 1.52 Kg (3.36 lbs)
9. As needed, on models with calibration chutes, deploy or install the chute.
Refer to Figure 11 (which depicts a meter without guards - if your cart included guards, do not operate without them)
10. Place calibration bag under open calibration door or onto the calibration chute:
ADC2350: ADC2350B:
NTA607/HD: NTA2007/HD:
NTA907HD: NTA3007HD:
NTA907: NTA3007:
11. On the seed monitor terminal,
set the monitor to Calibration mode .
enter [ 5 ] for the “# Meter Revs”, and
press the Start softkey .
This “# Meter Revs” parameter does not affect the monitor calibration because the monitor counts actual meter shaft revolutions and uses that count to compute the Calibration Constant.
The “# Meter Revs” parameter is used for a progress bar displayed during calibration.
12. Turn the calibration crank for the number of turns to simulate1⁄10hectare (or1⁄10acre). See table at right for the correct number of turns for your implement.
Note: A longer calibration is always more accurate,
especially for low rates and small seeds.1⁄ hectare or acre is easy to calculate and is a minimum calibration run.
Note: It is important to turn the calibration crank rapidly.
For ADC2350, ADC2350B, NTA907/HD and NTA3007/HD, about 2 to 21⁄2revolutions per second is the proper speed to simulate 8 to 9.6 kph (5 to 6 mph) planting speed.
For NTA607/HD and NTA2007/HD, about 1 to 13⁄
Loop bag handles over door handles and hook bag to front of the meter.
Deploy calibration chute. Attach bag to end of chute.
Loop bag handles over door handles and hook bag to front of the meter.
Install calibration chute. Attach bag to discharge end of chute.
10
Figure 11
26402
Calibration Bag
Clutch Shaft (Crank) Revs for…
Drill Model
3N-4010HDA
CTA4000
CTA4000HD
NTA607
a
NTA607HD
NTA907
NTA907HD
NTA2007
a
NTA2007HD
NTA3007
NTA3007HD
NTA3010
NTA3510
a. The implement or drill Operator Manual provides
more precise crank counts, which vary slightly with row spacing, wing flex option and pass/bout gap.
b. Counted at jackshaft.
4
c. Counted at contact wheel.
1
⁄10 Hectare
761⁄
2
751⁄
2
751⁄
2
861⁄
4
a
861⁄
113 105
4
b
c
105
861⁄
4
a
861⁄
113 105
4
b
c
105
102
77
1
⁄10 Acre
31
301⁄
301⁄
35
35
45.9
421⁄
421⁄
35
35
45.9
421⁄
421⁄
411⁄
311⁄
2
2
b
c
2
2
b
c
2
2
4
4
revolutions per second is the proper speed to simulate 6.7 to 11.8 kph (4.2 to 7.3 mph).
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10 Great Plains Manufacturing, Inc. Contents Appendix VRG Air Drills
13. Wipe all the material off the flanges around the meter doors and capture that material in the calibration container.
The right column contains an example for the following steps, in U.S. customary (“USc”) and Metric units.
Metric Example:
Wheat, High Rate, 2 Stars
Target Seed Rate:
200 Kg/ha
USc Example:
Wheat, High Rate, 2 Stars
Target Seed Rate:
67.6 pounds per acre
Initial Variable Rate Gearbox setting:
62 38
Empty Calibration Bag Weight:
1.52 Kg 3.36 lbs
14. Accurately weigh the container plus material. Subtract the empty container weight to determine the application rate for1⁄10 hectare (or1⁄10acre).
SampleWeight MeasuredWeight ContainerWeight=
15. Press the Stop softkey on the monitor and enter the sample net weight (SampleWeight). The monitor responds with a Calibration Constant.
Push the Save softkey to accept this value.
16. Multiply the sample size by 10 to determine application rate per hectare (acre) at the current variable rate gearbox setting.
CalibratedRate SampleWeight 10×=
If the calibrated rate matches the target rate, skip to step 22. Otherwise…
17. Subtract the calibrated rate per hectare (or acre) from the target rate to determine a correction difference.
RateDifference T etRarg ate CalibratedRate=
Metric Example: MeasuredWeight is:
23.3 Kg
SampleWeight =
23.3 - 1.53
which is:
21.7 Kg
Metric Example: CalibratedRate =
21.7 x 10
which is:
217 Kg/ha
USc Example: MeasuredWeight is:
10.92 pounds
SampleWeight =
10.92 - 3.36,
which is:
7.56 pounds
USc Example: CalibratedRate =
7.56 x 10,
which is:
75.6 lbs/ac
This is higher than our target rate of:
200 Kg/ha 67.6 lbs/ac
Metric Example: TargetRate =
200
RateDifference =
200 - 217,
which is:
-17 Kg
USc Example: TargetRate =
67.6
RateDifference =
67.6 - 75.6,
which is:
-8 pounds
The calibration run metered too much. You must lower the gearbox setting to compensate.
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Great Plains Manufacturing, Inc. Contents Appendix Setting Meter Rate 11
18. Refer to the Seed Rate Chart (or Fertilizer Rate Chart for Seed or Fertilizer Rate gearbox setting values for the target rate.
19. Determine the amount of rate change for each degree of control arm rotation from the target setting.
If the calibrated rate was higher than target (as in our example), examine lower gearbox setting values.
If the calibrated rate was lower than target, examine higher gearbox setting values.
20. Adjust the control arm by the number of degrees needed to adjust for the calibration difference.
The rate of the arm adjusting crank is more than one scale degree per turn, and the crank can only be pinned at quarter turns. Pin it when the indicator is closest to the corrected setting.
21. Run the calibration again, starting at step 10, using the new Variable Rate Gearbox scale setting.
This validates the gearbox adjustment, and establishes a new, more precise Calibration Constant.
22. With the present meter satisfactorily calibrated, re­mount the final drive gear removed from the other hopper.
23. Repeat the calibration procedure for the other hopper, starting at step 1.
Metric Example: Initial Variable Rate Gearbox Setting: 62
TargetRate
183.5 59 2783
189.4 60 2787
195.4 61 2792
201.3 62 2797
207.4 63 2802
USc Example: Initial Variable Rate Gearbox Setting: 38
TargetRate
56.9 63.7 35 77538
60.4 67.6 36 77591
63.9 71.7 37 77640
67.6 75.8 38 77683
71.4 80.0 39 77723
Metric Example: USc Example: 1 degree lower reduces rate by
201.3 - 195.4, or 5.9 Kg 67.6-63.9, or 3.7 lbs
2 degrees lower reduces by
201.3 - 189.4, or 11.9 Kg 67.6-60.4, or 7.2 lbs
3 degrees lower reduces by
201.3 - 183.5, or 17.8 Kg 67.6-56.9, or 10.7 lbs
Metric Example: USc Example: The calibration difference was:
17 Kg 8 pounds.
Adjusting down 3 degrees would slightly over-correct, at a difference of 17.8 Kg
Adjusting down 2 degrees would correct by 7.2 pounds, but adjusting by 3 would over-correct to 10.7 lbs.
So adjust the gearbox setting to just under 3 degrees lower, to a final scale setting of:
So adjust the gearbox setting to just over 2 degrees lower, to a final scale setting:
slightly above 59 slightly below 36
If only planting from a single hopper, see “Single Hopper Operation” in the air cart Operator Manual for methods of disabling the meter on the hopper not in use.
24. Remove and store the calibration crank.
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12 Great Plains Manufacturing, Inc. Contents Appendix VRG Air Drills

Changing Flute Stars

Refer to Figure 12
If the target material rate is too high or too low for the standard meter flutes and standard “2 Stars” charts, it may be appropriate to use an optional flute shaft in the meter.
The Appendix provides alternate charts for some commonly requested seeds and rates.
3
“3 Stars” high rate charts provide metering rates that
are approximately 150% of standard rates.
4
“4 Stars” high rate charts provide metering rates that
are approximately 200% of standard rates.
s
“Small Seeds” charts provide metering rates that vary between 20% and 50% of standard rates, if the seeds are physically compatible with the narrower, shallower Small Seeds flute pockets.
Consult the air drill or air cart Operator Manual for ordering and installation of optional flute shafts.
If the tables do not cover your intended application, and you have optional stars, use setup data for a physically comparable seed, and calibrate.
2
s
3
4
2
Figure 12
Alternate Flute Shafts
32398
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Great Plains Manufacturing, Inc. Contents Appendix 13
h
g
D
g o
a
t
a
d

Seed Rates

Reading Seed Rate Charts

1. Find the chart for your seed.
Note: There may be more than one table for the seed.
Other tables require either a different Final Range, or different flute “stars”, or both. Higher Star count, and Small Seeds charts are in the Appendix.
2. Verify that the chart is for your star configuration (number of flutes at each meter outlet). 2 full depth stars per drop is standard.
Optional kits are available to increase to 3 or 4 deep stars or to use 2 shallow (Small Seeds) stars. See “Changing Flute Stars” on page 12.
Wheat (Triticum)
Standard Stars, High Range. Higher rate Wheat c
(Triticum)
Stars, High Range. Higher rate Wheat charts, requirin
rive Range Gears Stars Per Outlet Seed
ving; 17T Driven (standard) 61.5 p
k 97.02egn
3. Determine the Final Drive Range gearing required. See “Seed Meter Final Drive Range” on page 5.
Note: The final drive range gearing may be different for
the fertilizer hopper and the seed hopper. If applying the same material from both hoppers, set both gear sets identically.
4. Note the reference Seed Densitya used to generate the chart data. Enter this on the seed monitor only if you do not know your actual density.
5. Find your target Seed Rate.
If planting the same seed from both hoppers simultaneously, divide your target rate in half before consulting the table.
6. Set the Variable Rate Gearbox control arm to the number of degrees specified in the chart under “Gearbox Setting”.
Note: Charts begin at setting 20.
Settings below 20 are not recommended, other than zero (0), which may be used to temporarily shut off flow from that meter.
7. Enter the Calibration Constant (“Cal. Const.”) on the seed monitor. See manual 167-085B-ENG for Calibration Constants in pulses per litre.
Wheat (Triticum)
Standard Stars, High Range. Higher rate Wheat ch
Final Drive Range Gears Stars Per Ou
2egnaR hgiH
54T Driving; 17T Driven (standard)
ars Per Outlet Seed Density Rem
ertil/gk 97.0
tandard) 61.5 pounds per bushel
l.
st.*
100.2 112.3 46 77955 238.5
99 104.7 117.3 47 77990 243.7
02 109.2 122.4 48 78027 248.8
92 113.9 127.6 49 78067 253.8
68 118.5 132.9 50 78110 258.8
31 123.3 138.2 51 78159 263.6
Gearbox
Setting
Cal.
Const.*
See t
eeSetaR deeS ca/sblah/gkca/sbl
a. If your actual seed density is significantly different, see “Density Adjustment” on page 38.
In general, Calibration automatically compensates for typical differences between actual and reference (chart) seed densities.
2012-01-03 Contents Appendix 167-085B
14 Great Plains Manufacturing, Inc. Contents Appendix VRG Air Drills

Alfalfa (Medicago sativa)

Standard Stars, Low Range
Final Drive Range Gears Stars Per Outlet Seed Density Remarks:
Low Range 2 0.77 kg/litre 17T Driving; 54T Driven (standard) 60.0 pounds per bushel
See table Notes.
Seed Rate
lbs/ac kg/ha lbs/ac kg/ha lbs/ac kg/ha
Gearbox
Setting
Cal.
Const.*
Seed Rate Seed Rate
Gearbox
Setting
Cal.
Const.*
Gearbox
Setting
Const.*
0 0 0 - 8.2 9.2 46 92580 21.0 23.5 73 90713
1.4 1.6 20 86505 8.6 9.6 47 92563 21.5 24.1 74 90698
1.6 1.8 21 87027 8.9 10.0 48 92534 22.1 24.8 75 90696
1.8 2.0 22 87525 9.3 10.4 49 92494 22.7 25.5 76 90706
2.0 2.2 23 87997 9.7 10.9 50 92445 23.3 26.1 77 90729
2.2 2.4 24 88445 10.1 11.3 51 92387 23.9 26.8 78 90768
2.4 2.6 25 88867 10.5 11.8 52 92322 24.5 27.5 79 90821
2.6 2.9 26 89265 10.9 12.2 53 92249 25.1 28.1 80 90892
2.8 3.1 27 89638 11.3 12.7 54 92170 25.7 28.8 81 90979
3.0 3.4 28 89987 11.8 13.2 55 92086 26.3 29.5 82 91085
3.2 3.6 29 90311 12.2 13.7 56 91999 26.9 30.2 83 91211
3.5 3.9 30 90611 12.7 14.2 57 91907 27.5 30.9 84 91356
3.7 4.2 31 90887 13.1 14.7 58 91814 28.1 31.6 85 91523
4.0 4.4 32 91141 13.6 15.2 59 91719 28.8 32.2 86 91713
4.2 4.7 33 91371 14.1 15.8 60 91623 29.4 32.9 87 91926
4.5 5.0 34 91579 14.6 16.3 61 91528 30.0 33.6 88 92164
4.8 5.3 35 91765 15.0 16.9 62 91433 30.6 34.3 89 92429
5.0 5.6 36 91931 15.5 17.4 63 91341 31.2 34.9 90 92720
5.3 6.0 37 92075 16.1 18.0 64 91252 31.7 35.6 91 93041
5.6 6.3 38 92200 16.6 18.6 65 91166 32.3 36.2 92 93392
5.9 6.6 39 92306 17.1 19.2 66 91085 32.9 36.9 93 93775
6.2 7.0 40 92394 17.6 19.8 67 91009 33.5 37.5 94 94191
6.5 7.3 41 92464 18.2 20.4 68 90939 34.0 38.1 95 94644
6.8 7.7 42 92517 18.7 21.0 69 90877 34.6 38.7 96 95133
7.2 8.0 43 92555 19.3 21.6 70 90822 35.1 39.3 97 95662
7.5 8.4 44 92577 19.8 22.2 71 90776 35.6 39.9 98 96232
7.9 8.8 45 92585 20.4 22.9 72 90740 36.1 40.5 99 96846
Alfalfa (Low Range) * Pulses per cubic foot
Notes:
Stated seed density is measured, and not customary commodity call weight. If your seed has a significantly different density, see “Density Adjustment” on page 38.
Table rates are for application from a single hopper at a time (whether or not both are loaded with the same material). For application of the same material from both hoppers simultaneously, do not use the target rate data. First divide the target rate by two, and use the setting for that half rate. Use that target rate for calibrating each meter.
Cal.
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167-085B Contents Appendix 2012-01-03
Great Plains Manufacturing, Inc. Contents Appendix Seed Rates 15
Alfalfa
Standard Stars, High Range
Final Drive Range Gears Stars Per Outlet Seed Density Remarks:
High Range 2 0.77 kg/litre 54T Driving; 17T Driven (standard) 60.0 pounds per bushel
See table Notes.
Seed Rate
lbs/ac kg/ha lbs/ac kg/ha lbs/ac kg/ha
Gearbox
Setting
Cal.
Const.*
Seed Rate Seed Rate
Gearbox
Setting
Cal.
Const.*
Gearbox
Setting
Cal.
Const.*
0 0 0 - 82.7 92.6 46 92710 190.6 213.6 73 100158
14.2 15.9 20 92087 86.2 96.7 47 92838 194.7 218.2 74 100637
15.7 17.6 21 92029 89.9 100.7 48 92975 198.7 222.7 75 101135
17.4 19.5 22 91977 93.6 104.9 49 93121 202.7 227.2 76 101653
19.2 21.5 23 91931 97.3 109.1 50 93277 206.7 231.7 77 102191
21.1 23.6 24 91891 101.1 113.3 51 93443 210.6 236.1 78 102750
23.0 25.8 25 91856 104.9 117.6 52 93619 214.5 240.5 79 103331
25.1 28.1 26 91828 108.8 121.9 53 93805 218.4 244.8 80 103934
27.2 30.5 27 91806 112.7 126.3 54 94002 222.2 249.0 81 104561
29.4 33.0 28 91789 116.6 130.7 55 94209 225.9 253.2 82 105213
31.8 35.6 29 91780 120.6 135.2 56 94428 229.6 257.4 83 105889
34.1 38.3 30 91776 124.6 139.7 57 94658 233.2 261.4 84 106592
36.6 41.0 31 91780 128.7 144.2 58 94899 236.8 265.4 85 107322
39.2 43.9 32 91790 132.7 148.8 59 95153 240.3 269.3 86 108081
41.8 46.9 33 91806 136.8 153.4 60 95419 243.7 273.1 87 108869
44.5 49.9 34 91830 140.9 158.0 61 95697 247.0 276.8 88 109687
47.3 53.0 35 91861 145.1 162.6 62 95988 250.2 280.4 89 110538
50.2 56.3 36 91899 149.2 167.2 63 96293 253.3 284.0 90 111423
53.1 59.5 37 91945 153.3 171.9 64 96611 256.4 287.4 91 112342
56.1 62.9 38 91997 157.5 176.5 65 96943 259.3 290.7 92 113298
59.2 66.4 39 92058 161.7 181.2 66 97290 262.2 293.9 93 114292
62.4 69.9 40 92127 165.8 185.9 67 97651 264.9 296.9 94 115326
65.6 73.5 41 92203 170.0 190.5 68 98028 267.5 299.9 95 116401
68.9 77.2 42 92287 174.1 195.2 69 98421 270.0 302.7 96 117521
72.2 81.0 43 92380 178.3 199.8 70 98829 272.4 305.3 97 118687
75.7 84.8 44 92481 182.4 204.4 71 99255 274.7 307.9 98 119901
79.1 88.7 45 92591 186.5 209.1 72 99698 276.8 310.2 99 121166
Alfalfa (High Range) * Pulses per cubic foot
Notes:
Stated seed density is measured, and not customary commodity call weight. If your seed has a significantly different density, see “Density Adjustment” on page 38.
Table rates are for application from a single hopper at a time (whether or not both are loaded with the same material). For application of the same material from both hoppers simultaneously, do not use the target rate data. First divide the target rate by two, and use the setting for that half rate. Use that target rate for calibrating each meter.
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2012-01-03 Contents Appendix 167-085B
16 Great Plains Manufacturing, Inc. Contents Appendix VRG Air Drills
Barley
Standard Stars, High Range
Final Drive Range Gears Stars Per Outlet Seed Density Remarks:
High Range 2 0.68 kg/litre 54T Driving; 17T Driven (standard) 53.0 pounds per bushel
See table Notes.
Seed Rate
lbs/ac kg/ha lbs/ac kg/ha lbs/ac kg/ha
Gearbox
Setting
Cal.
Const.*
Seed Rate Seed Rate
Gearbox
Setting
Cal.
Const.*
Gearbox
Setting
Cal.
Const.*
0 0 0 - 88.9 99.7 46 90837 213.4 239.1 73 94707
14.5 16.3 20 88390 92.9 104.1 47 90908 218.3 244.7 74 94989
16.3 18.3 21 88545 96.9 108.6 48 90982 223.3 250.3 75 95286
18.2 20.4 22 88692 100.9 113.1 49 91057 228.3 255.9 76 95599
20.2 22.6 23 88832 105.1 117.8 50 91136 233.3 261.4 77 95929
22.2 24.9 24 88965 109.3 122.5 51 91217 238.2 267.0 78 96277
24.4 27.3 25 89091 113.5 127.3 52 91302 243.1 272.5 79 96643
26.6 29.8 26 89211 117.9 132.1 53 91391 248.0 277.9 80 97028
28.9 32.4 27 89325 122.2 137.0 54 91485 252.8 283.3 81 97433
31.3 35.1 28 89433 126.7 142.0 55 91583 257.6 288.7 82 97860
33.8 37.9 29 89537 131.2 147.0 56 91686 262.3 294.0 83 98308
36.4 40.8 30 89635 135.7 152.1 57 91796 267.0 299.3 84 98780
39.1 43.8 31 89729 140.3 157.3 58 91911 271.6 304.5 85 99275
41.9 46.9 32 89818 145.0 162.5 59 92033 276.2 309.6 86 99796
44.7 50.1 33 89904 149.6 167.7 60 92162 280.7 314.6 87 100344
47.6 53.4 34 89986 154.4 173.0 61 92299 285.1 319.5 88 100919
50.6 56.8 35 90065 159.1 178.4 62 92443 289.4 324.4 89 101523
53.7 60.2 36 90141 164.0 183.8 63 92596 293.6 329.1 90 102158
56.9 63.8 37 90215 168.8 189.2 64 92758 297.8 333.8 91 102824
60.1 67.4 38 90287 173.7 194.7 65 92930 301.8 338.3 92 103525
63.5 71.2 39 90357 178.6 200.2 66 93111 305.7 342.6 93 104260
66.9 75.0 40 90426 183.5 205.7 67 93303 309.5 346.9 94 105033
70.4 78.9 41 90495 188.4 211.2 68 93506 313.1 351.0 95 105845
73.9 82.9 42 90562 193.4 216.8 69 93721 316.6 354.9 96 106698
77.6 87.0 43 90630 198.4 222.4 70 93947 320.0 358.7 97 107595
81.3 91.1 44 90698 203.4 228.0 71 94187 323.2 362.3 98 108538
85.1 95.4 45 90767 208.4 233.5 72 94440 326.3 365.7 99 109529
Barley * Pulses per cubic foot
Notes:
Stated seed density is measured, and not customary commodity call weight. If your seed has a significantly different density, see “Density Adjustment” on page 38.
Table rates are for application from a single hopper at a time (whether or not both are loaded with the same material). For application of the same material from both hoppers simultaneously, do not use the target rate data. First divide the target rate by two, and use the setting for that half rate. Use that target rate for calibrating each meter.
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Great Plains Manufacturing, Inc. Contents Appendix Seed Rates 17
Canola (Brassica napus L., Brassica campestris L., Brassica Rapa var)
Standard Stars, Low Range
Final Drive Range Gears Stars Per Outlet Seed Density Remarks:
Low Range 2 0.64 kg/litre 17T Driving; 54T Driven (standard) 49.5 pounds per bushel
See table Notes.
Seed Rate
lbs/ac kg/ha lbs/ac kg/ha lbs/ac kg/ha
Gearbox
Setting
Cal.
Const.*
Seed Rate Seed Rate
Gearbox
Setting
Cal.
Const.*
Gearbox
Setting
0 0 0 - 6.5 7.3 46 95843 16.1 18.0 73 97970
1.1 1.2 20 93112 6.8 7.6 47 96011 16.6 18.6 74 97862
1.2 1.4 21 93095 7.1 7.9 48 96179 17.0 19.1 75 97736
1.4 1.5 22 93093 7.4 8.3 49 96345 17.5 19.6 76 97589
1.5 1.7 23 93105 7.7 8.6 50 96508 18.0 20.2 77 97421
1.7 1.9 24 93129 8.0 8.9 51 96668 18.5 20.7 78 97232
1.8 2.1 25 93167 8.3 9.3 52 96825 19.0 21.3 79 97022
2.0 2.2 26 93216 8.6 9.6 53 96977 19.5 21.9 80 96790
2.2 2.4 27 93277 8.9 10.0 54 97124 20.1 22.5 81 96536
2.4 2.6 28 93348 9.2 10.3 55 97265 20.6 23.1 82 96259
2.5 2.9 29 93430 9.5 10.7 56 97399 21.2 23.8 83 95960
2.7 3.1 30 93522 9.9 11.1 57 97526 21.8 24.4 84 95637
2.9 3.3 31 93622 10.2 11.4 58 97645 22.4 25.1 85 95292
3.1 3.5 32 93732 10.6 11.8 59 97755 23.0 25.8 86 94923
3.3 3.7 33 93849 10.9 12.2 60 97856 23.6 26.5 87 94530
3.6 4.0 34 93974 11.3 12.6 61 97947 24.3 27.2 88 94115
3.8 4.2 35 94105 11.6 13.0 62 98026 24.9 27.9 89 93676
4.0 4.5 36 94244 12.0 13.4 63 98094 25.6 28.7 90 93214
4.2 4.7 37 94387 12.4 13.9 64 98149 26.3 29.5 91 92729
4.5 5.0 38 94536 12.8 14.3 65 98191 27.0 30.3 92 92221
4.7 5.3 39 94690 13.1 14.7 66 98219 27.8 31.1 93 91691
4.9 5.5 40 94848 13.5 15.2 67 98233 28.5 32.0 94 91138
5.2 5.8 41 95009 13.9 15.6 68 98231 29.3 32.8 95 90563
5.4 6.1 42 95172 14.4 16.1 69 98213 30.1 33.7 96 89966
5.7 6.4 43 95338 14.8 16.6 70 98179 30.9 34.7 97 89349
6.0 6.7 44 95506 15.2 17.0 71 98127 31.8 35.6 98 88710
6.2 7.0 45 95674 15.7 17.5 72 98058 32.7 36.6 99 88052
Canola (Low Range) * Pulses per cubic foot
Notes:
Stated seed density is measured, and not customary commodity call weight. If your seed has a significantly different density, see “Density Adjustment” on page 38.
Table rates are for application from a single hopper at a time (whether or not both are loaded with the same material). For application of the same material from both hoppers simultaneously, do not use the target rate data. First divide the target rate by two, and use the setting for that half rate. Use that target rate for calibrating each meter.
Cal.
Const.*
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2012-01-03 Contents Appendix 167-085B
18 Great Plains Manufacturing, Inc. Contents Appendix VRG Air Drills
Canola
Standard Stars, High Range
Final Drive Range Gears Stars Per Outlet Seed Density Remarks:
High Range 2 0.64 kg/litre 54T Driving; 17T Driven (standard) 49.5 pounds per bushel
See table Notes.
Seed Rate
lbs/ac kg/ha lbs/ac kg/ha lbs/ac kg/ha
Gearbox
Setting
Cal.
Const.*
Seed Rate Seed Rate
Gearbox
Setting
Cal.
Const.*
Gearbox
Setting
Cal.
Const.*
0 0 0 - 68.3 76.5 46 90363 165.2 185.2 73 97912
12.9 14.4 20 88481 71.3 80.0 47 90508 169.1 189.5 74 98389
14.0 15.7 21 88510 74.5 83.5 48 90661 172.9 193.8 75 98887
15.3 17.2 22 88540 77.6 87.0 49 90821 176.8 198.1 76 99404
16.6 18.7 23 88573 80.9 90.6 50 90989 180.6 202.4 77 99942
18.1 20.3 24 88607 84.1 94.3 51 91166 184.3 206.6 78 100503
19.6 21.9 25 88644 87.5 98.0 52 91352 188.1 210.8 79 101086
21.1 23.7 26 88684 90.8 101.8 53 91547 191.8 215.0 80 101693
22.8 25.6 27 88727 94.3 105.7 54 91751 195.5 219.2 81 102324
24.5 27.5 28 88773 97.7 109.6 55 91965 199.2 223.3 82 102982
26.4 29.5 29 88822 101.3 113.5 56 92189 202.8 227.3 83 103666
28.3 31.7 30 88875 104.8 117.5 57 92423 206.4 231.3 84 104378
30.2 33.9 31 88931 108.4 121.5 58 92667 209.9 235.3 85 105120
32.3 36.2 32 88991 112.0 125.6 59 92923 213.3 239.1 86 105892
34.4 38.5 33 89056 115.7 129.7 60 93191 216.7 242.9 87 106696
36.6 41.0 34 89124 119.4 133.8 61 93470 220.1 246.7 88 107534
38.8 43.5 35 89197 123.1 138.0 62 93761 223.3 250.3 89 108406
41.2 46.2 36 89275 126.9 142.2 63 94065 226.5 253.9 90 109316
43.6 48.9 37 89358 130.6 146.4 64 94383 229.6 257.4 91 110264
46.1 51.6 38 89446 134.4 150.7 65 94713 232.6 260.7 92 111252
48.6 54.5 39 89539 138.3 155.0 66 95058 235.6 264.0 93 112282
51.2 57.4 40 89638 142.1 159.3 67 95418 238.4 267.2 94 113358
53.9 60.4 41 89743 145.9 163.6 68 95792 241.1 270.2 95 114480
56.7 63.5 42 89854 149.8 167.9 69 96183 243.7 273.2 96 115652
59.5 66.7 43 89971 153.6 172.2 70 96589 246.2 276.0 97 116876
62.4 69.9 44 90095 157.5 176.5 71 97012 248.6 278.6 98 118155
65.3 73.2 45 90225 161.4 180.9 72 97453 250.8 281.1 99 119492
Canola (High Range) * Pulses per cubic foot
Notes:
Stated seed density is measured, and not customary commodity call weight. If your seed has a significantly different density, see “Density Adjustment” on page 38.
Table rates are for application from a single hopper at a time (whether or not both are loaded with the same material). For application of the same material from both hoppers simultaneously, do not use the target rate data. First divide the target rate by two, and use the setting for that half rate. Use that target rate for calibrating each meter.
31293
167-085B Contents Appendix 2012-01-03
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