Material Rate User Manual

72 1625AHD/AHL Table of Contents Great Plains Manufacturing, Inc.
411-020B Table of Contents 2014-03-17
Twin Row Sprocket Indexing (3 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 3 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
123736 115487 113668 94723 15 12 18 16 1
125081 116742 114904 95753 15 12 3 16 1
126426 117997 116139 96783 19 16 3 16 6
127771 119253 117375 97812 19 16 3 16 6
129116 120508 118610 98842 19 16 7 16 10
130461 121763 119846 99871 4 16 7 16 10
131805 123018 121081 100901 4 16 7 16 10
133150 124274 122317 101931 4 16 11 16 14
134495 125529 123552 102960 8 16 11 16 14
135840 126784 124788 103990 8 16 11 16 14
137185 128040 126023 105019 8 16 15 16 18
138530 129295 127259 106049 12 16 15 16 18
139875 130550 128494 107079 12 16 15 16 18
141220 131805 129730 108108 12 16 15 16 3
142565 133061 130965 109138 16 16 19 16 3
143910 134316 132201 110167 16 16 19 16 3
145255 135571 133436 111197 16 16 19 16 7
146600 136827 134672 112227 16 16 4 16 7
147945 138082 135907 113256 16 16 4 16 7
149290 139337 137143 114286 16 16 4 16 11
150635 140593 138378 115315 16 16 8 16 11
151980 141848 139614 116345 16 16 8 16 11
153325 143103 140850 117375 16 16 8 16 15
154670 144358 142085 118404 16 16 12 16 15
156015 145614 143321 119434 16 16 12 16 15
157360 146869 144556 120463 16 16 12 16 15
158705 148124 145792 121493 16 16 16 16 19
160050 149380 147027 122523 16 16 16 16 19
161394 150635 148263 123552 16 16 16 16 19
36076M
Air-Pro
®
Meter Stagger Timing Chart (metric)