Great-plains 2025P Operator Manual User Manual Page 92

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2025P, 2020P Bedded, and
2010HDP
118-928M
8/14/2006
90
Operations
Before going to the field:
1. Once calibration procedure above has been
followed, Console will store calibration and rate
information until new information has been en-
tered.
Refer to Figure 128
2. Turn on Console by pressing On/VR key.
Pressing On/VR key twice will put unit in VR
(Variable Rate) mode. Leave Console in man-
ual mode.
NOTE: For units with P/N 21567 skip step 3.
3. To double-check calibration before planting,
follow same procedure as for mechanical
ground drives as outlined in Great Plains Pre-
cision Seeding System Operator’s Manual,
with these differences:
Volumetric: use extreme caution when per-
forming this calibration to prevent injury due to
drive entanglement. Also, turn drive gauge
wheel with a consistent speed of at least 30
rpm for maximum calibration accuracy.
Singulated: Rather than calibrating from a
standing start, measure the distance as listed
in the GP manual, and set two flags. Start driv-
ing far enough in advance of the first flag that
your unit is operating at field speed (min. 3
mph) during the calibration distance.
In Field:
Refer to Figure 129
1. Turn on Controller Console by pressing On/VR
key. Green light above On/VR key will illumi-
nate when power is on. Pressing On/VR key
twice will put the unit in VR mode. VR will ap-
pear on screen along with Rate that is being
sent from the computer. Press On/VR key
again to toggle back to manual mode. (Mode
and rate changes take effect with the release of
the key.)
2. To change rates manually whether in manual
or in VR mode, simply touch Up/Down arrow
keys. This will change Controller to the rate you
select manually. To return to VR, simply touch
On/VR key to toggle back to VR mode.
3. Engage hydraulic flow by pushing FORWARD
on the tractor remote hydraulic lever. The re-
mote lever must be LOCKED OPEN in this po-
sition to provide constant flow to the drive
motor.
John Deere tractors with Sound-Gard ®
body: Use lever lock clip to lock lever forward.
See your tractor dealer for lock purchase and in-
stallation.
John Deere 7000 Series tractors: Rotate valve
detent selector to motor position to lock lever in
forward position.
John Deere 8000 Series tractors: Set timer to
continuous. Push lever forward until detent
clicks.
Case-IH Magnum tractors: Lock lever forward
in detent position. You may need to turn up de-
tent pressure to maximum setting. Do not tie hy-
draulic lever past detent position with a strap.
See your tractor dealer for details.
Other tractors: Lock lever forward in detent po-
sition. You may need to turn detent pressure to
maximum or use a mechanical detent holder to
hold lever forward. See your tractor dealer for
proper means of providing constant flow.
4. Press Engage key to activate drive. Green light
above Engage key will illuminate.
NOTE: If you do not move within 10 seconds, the
automatic disengagement feature will disengage
the drive. To begin planting again, you must
press Engage key.
Figure 128
Figure 129
22710
22734
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