Material Rate User Manual

70 1625AHD/AHL Table of Contents Great Plains Manufacturing, Inc.
411-020B Table of Contents 2014-03-17
Sprocket Indexing Charts
Twin Row Sprocket Indexing (1 of 6)
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 70/75/76/91 cm
Set front meter to tooth “1”. Page 1 of 3
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 Seeds/Hectare
Initial Rear 20% Rear Seed Drop Adjust 40% Rear Seed Drop Adjust
70.0 cm 75.0 cm 76.2 cm 91.4 cm
Tooth Number Retard Advance Retard Advance
45728 42680 42008 35006 734616
47073 43935 43243 36036 19 10 16 13 16
48418 45190 44479 37066 19 10 16 13 16
49763 46446 45714 38095 3 7 19 10 16
51108 47701 46950 39125 4 6 19 9 12
52453 48956 48185 40154 4 1 15 17 12
53798 50212 49421 41184 18 11 15 14 12
55143 51467 50656 42214 8 2 15 5 8
56488 52722 51892 43243 8 5 11 5 8
57833 53977 53127 44273 14 15 11 18 8
59178 55233 54363 45302 14 15 11 18 4
60523 56488 55598 46332 12 9714
61868 57743 56834 47362 10 19 7 3 4
63213 58999 58070 48391 10 19 7 3 4
64558 60254 59305 49421 16 13 3 10 19
65903 61509 60541 50450 6 13 3 10 19
67248 62765 61776 51480 643719
68593 64020 63012 52510 1 17 18 14 15
69938 65275 64247 53539 2 17 18 14 15
71283 66530 65483 54569 2 8 18 11 15
72628 67786 66718 55598 5 5 18 18 11
73972 69041 67954 56628 5 2 14 18 11
75317 70296 69189 57658 17 12 14 15 11
76662 71552 70425 58687 9 1 14 3 7
78007 72807 71660 59717 9 6 10 3 7
79352 74062 72896 60746 13 16 10 19 7
80697 75317 74131 61776 13 16 10 19 3
82042 76573 75367 62806 13 10 6 7 3
83387 77828 76602 63835 9 10 6 4 3
36076K
Air-Pro
®
Meter Stagger Timing Chart (metric)