Great Plains 3S-5000HDF Operator Manual - Manual (Page 47)

Great Plains Manufacturing, Inc. Table of Contents Index Adjustments 43
2012-08-14 Table of Contents Index 195-325M
Main Box Seed Rate Handle
Refer to Figure 37
There are main box seed rate handles for each section of
the drill (3 handles total). Generally, all need to be set
identically, and you need to calibrate only one section.
The seed rate handle controls the percent engagement
of the seed sprocket in each seed cup. The initial setting
of the handle is given by the Seed Rate Chart.
You can temporarily stop seed flow to a drill section by
setting a handle to zero.
To set a handle:
1. Loosen wing nut under handle.
2. Set indicator to just past value from Seed Rate
Chart.
3. Tighten wing nut.
Position Seed Cup Doors
Refer to Figure 38,
which depicts the seed cup door handle in position
.
At each main seed box seed tube, adjust the seed cup
door handle
for the seed size.
The handle has three normal operating position detents:
Note: Handle position is used for clean-out, not
planting. If set to this position with seed loaded, it
may be difficult to reset it to a normal operating
position.
Figure 37
Seed Rate Handle
17618
2
1
1
2
(top detent) is for the smallest seeds.
Use it for wheat and similar small seeds.
(middle detent) is for larger seeds.
Use it for soybeans and similar larger seeds.
(bottom detent) is for oversize or fragile seeds.
If you experience excessive cracking with
setting
, use setting .
1
4
2
3 5
Figure 38
Seed Cup Door Handle
26211
3
4
1
2
3
2 3
5