Great Plains 3N-3020P Operator Manual - Manual (Page 51)

4/23/2010 196-248M
49 Troubleshooting
Planting too little (cont’d) Not enough talc lubricant Add more talc lubricant, page 68 .
Build up of seed treatment in meter. Clean out seed meter, page 56. Add
more talc lubricant.
Seed flow shut off not 100% open and
pinned. Check seed flow shut off, page 38.
Plugged sliding seed tube. Clean out sliding seed tube.
Plugged opener seed tube. Lift up drill, expose bottom of seed
tube and clean out.
Seed meter wheel damaged. Replace seed meter wheel.
Obstruction in meter (foreign material
or uncleaned seed). Clean seed meter.
Thrown or worn drive chains. Check drive chains.
Worn sprockets and/or chain idlers. Replace sprockets and/or chain
idlers, page 61.
Uneven seed spacing Excessive field speed. Slow down. Check Seeding Rate
Chart for correct maximum field
speed.
Unclean seed. Use clean seed.
Lack of talc lubricant. Add talc lubricant, page 68.
Build up of seed treatment in meter. Clean out seed meter, page 56. Add
more talc lubricant.
Seed-Lok plugging. Lock up Seed-Lok, page 44.
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.
Seed meter wheel damaged or worn. Check seed meter wheel and replace.
Seed meter slide worn. Replace seed meter slide, page 57.
Plugged sliding seed tube. Clean out sliding seed tube.
Incorrect seed meter wheel for seed
size. Verify seed count on seed bag with
seed meter wheel.
Uneven seed depth Excessive field speed. Slow down. Check Seeding Rate
Chart for correct maximum field
speed.
Coulter depth adjustment Check hitch operator’s manual.
Planting conditions too wet. Wait until drier weather.
Drill frame height incorrect. Check drill frame height, page 18.
Drill not level front-to-back in field. Re-adjust hitch-height. See “Hitch
Height Adjustment,” page 18.
Problem Cause Solution