
LS10 and LS12
Adjustments
Great Plains
| 117-055M | 5/6/19
13
Adjustments
Seeding Rate Adjustment
To calibrate the seeding rate, the seeder and plow must
be hooked to the tractor that will be used in the field and
the hydraulic drive must be hooked to the tractor
remotes.
Calibrate the seeding rate with a full box of seed.
1.
Find your desired seeding rate and ground speed on
the seeding rate chart, page 14. Determine how
many shaft rpms are needed for your seeding rate
and ground speed.
2.
With the tractor parked and idling in neutral, adjust
the tractor throttle up to field rpm.
3.
Engage the hydraulic drive. Count the number of
seed-cup-shaft revolutions per minute by using a
tachometer.
4.
Stop the hydraulic drive.
5.
If the shaft is turning too slowly or quickly, loosen the
black knob (1)and adjust flow control on the hydraulic
drive.
6.
Use the lever (2) to change rpms.
a.
Move down to increase rpms.
b.
Move up to reduce rpms.
7.
When satisfied with the flow-control setting, lock the
black knob.
Seed Cup Doors
For rice and other small grains, move the seed-cup-door
handles to the highest position.
For larger seeds, lower the handles to the second or third
position to reduce seed cracking.
For seed-cup clean out, move the handles to the fourth,
wide-open position.
Make sure all handles are in the same position before
seeding.
18164
1
2
Figure 9
Flow Control Dial
16491
Figure 10
Seed-Cup-Door Handle
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