Great Plains 3P600 Material Rate - Manual (Page 5)

Great Plains Manufacturing, Inc. Table of Contents Main Box Rates Main Box Seed Rate 3
2011-10-21 Table of Contents Main Box Rates 118-794B
Main Box Seed Rate Handle
Refer to Figure 4
There is a single main seed box rate handle for the entire
drill.
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.
Note: You can temporarily stop main seed flow (such as
for adjusting level/depth) with handle set to zero.
To set the handle:
1. Loosen wing nut under handle.
2. Move indicator from current setting to about 10
higher than the new desired value from calibration or
the Seed Rate Chart, then back to the desired value.
3. Tighten wing nut.
Position Seed Cup Doors
Refer to Figure 5,
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.
Main Seed Row Shutoff
If alternate row spacings are desired, the unused rows
can be shut off with optional plugs.
1. Clean-out seed. The seed box must be empty prior
to inserting plugs. See “Main Box Clean-Out” in
Operator manual.
Refer to Figure 6
2.
Insert one plug at each row to shut off. Verify the
seed hose path before inserting the plug, as some
hoses do not make a strictly vertical drop to their row
units.
3. Review seed rate settings prior to planting. Perform
calibration calculations with the actual active row
count.
(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 .
Figure 4
Main Box Seed Rate Handle
32792
1
2
1
2
Figure 5
Seed Cup Door Handle
26211
4
3
1
5
2
3
4
1
2
3
2 3
5
Figure 6
Seed Cup Plug
26279