Indexing fine adjustment, Finger meter stagger adjustment – Great Plains 2510HDP Material Rate User Manual
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2510HDP
Great Plains Manufacturing, Inc.
118-245B
12/01/2009
Indexing Fine Adjustment
If, after indexing, twin-row side-to-side seed stagger is
substantially imbalanced, it is possible to make small
adjustments that may correct it.
The procedure is different for 6- and 12-finger meters.
If an adjustment is made, test it on one row pair before
adjusting the entire drill.
Before making any Indexing Adjustments:
• Check actual planted seed spacing. Seed Spacing is
found by measuring the distance between 25 correctly
planted seeds in one row and dividing by 24. (A visible
skip or double is counted as one seed.)
• Make sure current rear sprocket index number
matches the number in the indexing chart for actual
seed spacing being planted.
6-Finger Meter Stagger Adjustment
Find your current indexing value row in the charts.
Each (sprocket tooth) number directly above or below the
current rear meter sprocket setting in the right most col-
umn of the seed indexing chart represents a small move-
ment of the rear row seed relative to the front row seed.
Changing rear your sprocket to the next number up in the
chart retards, moving each rear row seed back a small
amount.
Changing rear sprocket to the next number down in the
chart advances, moving each rear row seed ahead a
small amount.
Example 1: The 6 Finger (Twin Row 30in) planting popu-
lation is 29900 or 14in seed spacing. The chart setting
for the rear sprocket is (15). Each rear row seed should
fall 7in behind the front row seed.
If each rear row seed measures only 6in behind the front
row seed, reset the rear meter sprocket to the next num-
ber up in the chart (12). This will move the rear seeds
back to make the stagger closer to 7in.
Example 2: The 6 Finger (Twin Row 30in) planting popu-
lation is 29900 or 14in seed spacing. The chart setting
for the rear sprocket is (15). Each rear row seed should
fall 7in behind front row seed.
If each rear row seed measures 8in behind the front row
seed, reset the rear meter sprocket to the next number
down in the chart (18). This will move the rear seeds
ahead to make the stagger closer to 7in.
28421
Front Meter
Rear Meter
Sprocket Tooth #
Sprocket Tooth #
4.2
1
4
2.2
1
7
0.5
1
10
9.0
1
13
7.7
1
16
6.7
1
19
5.7
1
3
4.8
1
6
4.0
1
9
3.3
1
12
2.7
1
15
2.1
1
18
1.6
1
2
1 1
1
5
ge
Advance
☞
Retard
☞
Current
☞