Material Rate User Manual

Great Plains Manufacturing, Inc. Table of Contents Sprocket Indexing (Stagger) 75
2014-03-17 Table of Contents 411-020B
Twin Row Sprocket Indexing (6 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 30 & 36 Inch
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/Acre
Initial Rear 20% Rear Seed Drop Adjust 40% Rear Seed Drop Adjust
30 in. Twin 36 in. Twin
Tooth Number Retard Advance Retard Advance
46000 34500 15 12 18 16 1
46500 34875 15 12 3 16 1
47000 35250 19 16 3 16 6
47500 35625 19 16 3 16 6
48000 36000 19 16 7 16 10
48500 36375 4 16 7 16 10
49000 36750 4 16 7 16 10
49500 37125 4 16 11 16 14
50000 37500 8 16 11 16 14
50500 37875 8 16 11 16 14
51000 38250 8 16 15 16 18
51500 38625 12 16 15 16 18
52000 39000 12 16 15 16 18
52500 39375 12 16 15 16 3
53000 39750 16 16 19 16 3
53500 40125 16 16 19 16 3
54000 40500 16 16 19 16 7
54500 40875 16 16 4 16 7
55000 41250 16 16 4 16 7
55500 41625 16 16 4 16 11
56000 42000 16 16 8 16 11
56500 42375 16 16 8 16 11
57000 42750 16 16 8 16 15
57500 43125 16 16 12 16 15
58000 43500 16 16 12 16 15
58500 43875 16 16 12 16 15
59000 44250 16 16 16 16 19
59500 44625 16 16 16 16 19
60000 45000 16 16 16 16 19
36076J
Air-Pro
®
Meter Stagger Timing Chart (U.S. customary units)