Material Rate User Manual

Great Plains Manufacturing, Inc. Table of Contents Sprocket Indexing (Stagger) 73
2014-03-17 Table of Contents 411-020B
Twin Row Sprocket Indexing (4 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 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/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
17000 12750 7 3 4 6 16
17500 13125 19 10 16 13 16
18000 13500 19 10 16 13 16
18500 13875 3 7 19 10 16
19000 14250 4 6 19 9 12
19500 14625 4 1 15 17 12
20000 15000 18 11 15 14 12
20500 15375 8 2 15 5 8
21000 15750 8 5 11 5 8
21500 16125 14 15 11 18 8
22000 16500 14 15 11 18 4
22500 16875 12 9 7 1 4
23000 17250 10 19 7 3 4
23500 17625 10 19 7 3 4
24000 18000 16 13 3 10 19
24500 18375 6 13 3 10 19
25000 18750 6 4 3 7 19
25500 19125 1 17 18 14 15
26000 19500 2 17 18 14 15
26500 19875 2 8 18 11 15
27000 20250 5 5 18 18 11
27500 20625 5 2 14 18 11
28000 21000 17 12 14 15 11
28500 21375 9 1 14 3 7
29000 21750 9 6 10 3 7
29500 22125 13 16 10 19 7
30000 22500 13 16 10 19 3
30500 22875 13 10 6 7 3
31000 23250 9 10 6 4 3
36076D
Air-Pro
®
Meter Stagger Timing Chart (U.S. customary units)