Great-plains YP2425A Material Rate User Manual download pdf (Page 28)

26 YP2425A Table of Contents Metric Charts Great Plains Manufacturing, Inc.

401-626B Table of Contents Metric Charts 2012-02-29

Sprocket Indexing Charts

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 1 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

17000 7 3 4 6 16

17500 19 10 16 13 16

18000 19 10 16 13 16

18500 3 7 19 10 16

19000 4 6 19 9 12

19500 4 1 15 17 12

20000 18 11 15 14 12

20500 8 2 15 5 8

21000 8 5 11 5 8

21500 14 15 11 18 8

22000 14 15 11 18 4

22500 12 9 7 1 4

23000 10 19 7 3 4

23500 10 19 7 3 4

24000 16 13 3 10 19

24500 6 13 3 10 19

25000 6 4 3 7 19

25500 1 17 18 14 15

26000 2 17 18 14 15

26500 2 8 18 11 15

27000 5 5 18 18 11

27500 5 2 14 18 11

28000 17 12 14 15 11

28500 9 1 14 3 7

29000 9 6 10 3 7

29500 13 16 10 19 7

30000 13 16 10 19 3

30500 13 10 6 7 3

31000 9 10 6 4 3

29715A

Air-Pro

Meter Stagger Timing Chart

1 2 ... 23 24 25 26 27 28 29 30 31 32 33 ... 69 70

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Great-plains YP2425A Material Rate User Manual Page 28

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