Great Plains 3N-3020 Operator Manual - Manual (Page 50)

3N-3010 and 3N-3020
196-366M 3/29/2012
48
Uneven seed spacing (cont’d) Damaged or missing seed flap. Replace seed flap.
Opener disks not turning. See “Opener disks not turning
freely” in this Troubleshooting chart.
Plugged opener seed tube. Lift up drill, expose bottom of seed
tube and clean out.
Worn/rusted sprockets and/or chain
idler. Check and replace any worn/rusted
sprockets or chain idlers.
Opener not penetrating low spots. Adjust opener, see instructions
beginning on page 34.
Drive type too slow. Use faster drive type and readjust
seed rate handle.
Seed cup flutes are open too far. Close flutes to a more narrow posi-
tion.
Uneven seed depth Excessive field speed. Reduce field speed.
Planting conditions too wet. Wait until drier weather.
Seed-Lok building up with dirt. Lock up Seed-Lok, page 43.
Damaged or missing seed flaps. Replace seed flaps.
Partially plugged opener seed tube. Lift up drill, expose bottom of seed
tube and clean out.
Opener disks not turning freely. Opener plugged with dirt. Clean opener.
Planting conditions too wet. Wait until drier weather.
Seed-Lok is plugging opener. Lock up Seed-Lok, page 43.
Failed disk bearings. Replace disk bearings.
Bent or twisted opener frame. Replace opener frame.
Partially plugged opener seed tube. Lift up drill, expose bottom of seed
tube and clean out.
Acremeter does not measure accu-
rately
NOTE: Acremeter is most accurate when
seeding back and forth with markers with
few headlands, curves and pointrows. Incorrect tire size or air pressure. Correct tire size or air pressure,
page 72.
Excessive overlap or gaps between
passes. Avoid overlap or gaps. Adjust
marker.
Soil conditions. Loose soil and slippage will cause
variations in acres registered.
Acremeter not for your width of drill. Refer to drill parts manual.
Actual field size different. Verify field size.
Press wheels not compacting the soil
as desired. Too wet or cloddy. Wait until drier weather or rework
ground.
Not enough hydraulic down pres-
sure. Increase hydraulic down pressure,
see instructions beginning on page
36.
Incorrect press wheel depth. Reset press wheel depth, page 36.
Problem Cause Solution