Twin row sprocket indexing (cont.) – Great Plains YP825AR Material Rate User Manual
Page 24
20
YP825AR
Great Plains Manufacturing, Inc.
401-923B
2013-11-11
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 2 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
31500
32004
17
14
1
4
18
32000
32512
17
14
2
11
18
32500
33020
5
14
2
8
18
33000
33528
5
18
5
8
14
33500
34036
2
18
17
15
14
34000
34544
1
18
17
12
14
34500
35052
1
3
9
12
14
35000
35560
6
3
9
19
10
35500
36068
6
3
13
19
10
36000
36576
10
7
13
16
10
36500
37084
10
7
13
4
6
37000
37592
10
7
9
4
6
37500
38100
14
11
17
4
1
38000
38608
14
11
17
8
2
38500
39116
14
11
5
8
2
39000
39624
18
11
2
8
5
39500
40132
18
15
2
12
17
40000
40640
18
15
1
12
17
40500
41148
3
15
1
12
9
41000
41656
3
19
6
16
9
41500
42164
3
19
6
16
13
42000
42672
7
19
10
16
13
42500
43180
7
4
10
16
13
43000
43688
7
4
10
16
9
43500
44196
11
4
14
16
17
44000
44704
11
8
14
16
17
44500
45212
11
8
14
16
5
45000
45720
15
8
18
16
2
45500
46228
15
12
18
16
2
36076S
Air-Pro
®
Meter Stagger Timing Chart (U.S. customary units)