Great Plains 3N-4025P Operator Manual - Manual (Page 106)

3N-4010P, 3N-4015P, 3N-4020P and
3N-4025P
196-286M 4/23/2010
104
• Other tractors: Lock lever forward in detent
position. You may need to turn detent pres-
sure 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 dis-
engage the drive. To begin planting again,
you must press the Engage key.
5. The console display shows two numbers
while operating: “set” rate is the rate you tell
the system to plant, and the “out” rate is the
calculated rate based on the actual rotations
of the drive. The “out” reading is monitoring
the drive system; it isn’t monitoring popula-
tion. It verifies that the drive system is func-
tioning properly. NOTE: The “out” readings
will normally fluctuate within 5% of the
“set” rates. This fluctuation is evidence of
the drive system compensating for minor
fluctuations in ground speed.
6. If “out” rate varies from the “set” rate by more
than 20%, an audible alarm will sound.
7. If controller is powered directly from the bat-
tery or via unswitched power port, make sure
to power console off when tractor is shut
down. This prevents tractor battery drain.