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30 inch twin row sprocket indexing – Great Plains YP2425A Material Rate User Manual

Page 29

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Great Plains Manufacturing, Inc.

Table of Contents Metric Charts

Sprocket Indexing (Stagger)

27

2012-02-29

Table of Contents Metric Charts

401-626B

30 inch Twin Row Sprocket Indexing

Note: This is NOT a seed rate chart.

This is a chart for staggering seed spacing
between rows of a twin-row planter.

Verify sprocket tooth position with the top length of chain taut.

Twin Row 30in

Set front meter to tooth “1”.

Page 2 of 2

Set rear meter to indicated Initial tooth number.
Advance or Retard to adjust - see instructions in Seed Rate Manual.

These Columns are for Fine Adjustment Only

Population

Initial Rear

20% Rear Seed Drop Adjust

40% Rear Seed Drop Adjust

Seeds/Acre

Tooth Number

Retard

Advance

Retard

Advance

31000

9

10

6

4

3

31500

17

14

1

4

18

32000

17

14

2

11

18

32500

5

14

2

8

18

33000

5

18

5

8

14

33500

2

18

17

15

14

34000

1

18

17

12

14

34500

1

3

9

12

14

35000

6

3

9

19

10

35500

6

3

13

19

10

36000

10

7

13

16

10

36500

10

7

13

4

6

37000

10

7

9

4

6

37500

14

11

17

4

1

38000

14

11

17

8

2

38500

14

11

5

8

2

39000

18

11

2

8

5

39500

18

15

2

12

17

40000

18

15

1

12

17

40500

3

15

1

12

9

41000

3

19

6

16

9

41500

3

19

6

16

13

42000

7

19

10

16

13

42500

7

4

10

16

13

43000

7

4

10

16

9

43500

11

4

14

16

17

44000

11

8

14

16

17

44500

11

8

14

16

5

45000

15

8

18

16

2

29715B

Air-Pro

®

Meter Stagger Timing Chart