Great Plains 2510HDF Material Rate - Manual (Page 4)

288-340B 10/19/2010
2 1510HDF, 2010HDF & 2510HDF Great Plains Manufacturing, Inc.
Setting Material Rates
Material rates for each of the boxes are set independently.
Great Plains recommends calibration with your seed and fertilizer for most accurate results.
Use the settings in the Seed and Fertilizer Rate charts as
a starting point for the calibration. To reduce unnecessary wear, remove chains for any
drives not used.
Revolutions Per Acre/Ha
Calibrating any seed or fertilizer rate relies on the values
in the table below. The values are for gauge wheel tire
revolutions per acre(ac) or hectare(Ha). Whether turning the tire, or the jackshaft, count tire revo-
lutions, and use an rpm rate close to actual field rate.
Turning too slowly or too rapidly has unreliable results.
Tire rpm:
55 rpm = 5 mph = 8 kph.
Non-Standard Configurations
If you modify your row spacing by plugging seed meters,
this may alter the revolutions per acre or hectare.
Measure between the centerlines of the active end rows
(the Span). If the change was to simulated twin-row, treat
each pair as a single row, and measure to pair centerline.
The new swath is the measurement times the new row
count.
Check the Dimensions for your drill in the Appendix of
the drill Operator Manual. SpecSwath below is the fac-
tory specification), If the swath changed, adjust the revo-
lutions as follows:
If you are using markers, also re-check the marker exten-
sion. See the drill Operator manual for marker setup.
Adjustment Main Seed Box Small Seeds Attachment Fertilizer
Drive Type Controls Coarse Rate Unaffected by Drive Type Unaffected by Drive Type
Adjuster Scale Handle Controls Fine Rate Handle Controls Rate Knob Controls Rate
Meter Door Controls Rate Consistency No Adjustment Required No Adjustment Required
See... page 3 page 11 page 15
Planted Row Spacing
1510HDF Drill 2010HDF Drill 2510HDF Drill
Row Count Revolutions Row Count Revolutions Row Count Revolutions
7 1 ⁄
2
in (19.1cm) 24
365/ac
902/Ha
32
268/ac
662/Ha
40
214/ac
529/Ha
10in (25.4cm) 18
365/ac
902/Ha
24
268/ac
662/Ha
29
221/ac
546/Ha
15in (38.1cm) 20
214/ac
529/Ha
Twin Row 30in (76.2cm) 20
*
214/ac
529/Ha
* Each row of a twin-row is a pair of row units. The 2510HDF-20TR30 has 40 row units.
RowSpacing
Span
RowCount 1 –
---------------------------------- =
NewSwath RowSpacing RowCount ×
=
UseRevolutions TableRevolutions
SpecSwath
NewSwath
--------------------------- Ч
=