Twin row sprocket indexing (cont.) – Great Plains YP825AR Material Rate User Manual
Page 25
Great Plains Manufacturing, Inc.
Sprocket Indexing (Stagger)
21
2013-11-11
401-923B
Twin Row Sprocket Indexing (cont.)
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
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.
75 cm
Tooth Number
Retard
Advance
Retard
Advance
46000
46736
15
12
18
16
1
46500
47244
15
12
3
16
1
47000
47752
19
16
3
16
6
47500
48260
19
16
3
16
6
48000
48768
19
16
7
16
10
48500
49276
4
16
7
16
10
49000
49784
4
16
7
16
10
49500
50292
4
16
11
16
14
50000
50800
8
16
11
16
14
50500
51308
8
16
11
16
14
51000
51816
8
16
15
16
18
51500
52324
12
16
15
16
18
52000
52832
12
16
15
16
18
52500
53340
12
16
15
16
3
53000
53848
16
16
19
16
3
53500
54356
16
16
19
16
3
54000
54864
16
16
19
16
7
54500
55372
16
16
4
16
7
55000
55880
16
16
4
16
7
55500
56388
16
16
4
16
11
56000
56896
16
16
8
16
11
56500
57404
16
16
8
16
11
57000
57912
16
16
8
16
15
57500
58420
16
16
12
16
15
58000
58928
16
16
12
16
15
58500
59436
16
16
12
16
15
59000
59944
16
16
16
16
19
59500
60452
16
16
16
16
19
60000
60960
16
16
16
16
19
36076T
Air-Pro
®
Meter Stagger Timing Chart (U.S. customary units)