Troubleshooting - GREAT PLAINS 706NT Operator's Manual

Great Plains Manufacturing, Inc.

Troubleshooting

Problem
Uneven seed spacing or uneven
stand
Uneven seed depth
Opener disks not turning freely
Actual seeding rate different than
desired
Excessive seed cracking
Acremeter does not measure
accurately.
2018-06-07
Cause
Excessive field speed.
Feed cups plugging.
Seed tubes plugging.
Opener disks not turning freely.
Opener not penetrating low spots.
Excessive field speed.
Planting conditions too wet.
Drill not level.
Incorrect hitch height.
Trash or mud build up on disk scraper.
Scraper adjusted too tight, restricting
movement.
Failed disk bearings.
Bent or twisted opener frame.
Planting conditions too wet.
Too much opener down pressure.
Incorrect press wheel adjustment.
Improper tire size or air pressure.
Build up of seed treatment in feed cup.
Incorrect rate adjustment.
Excessive field speed.
Feed cup flutes not open enough.
Feed cup door handle not open enough.
Incorrect tire size or air pressure.
Excessive overlap or gaps between
passes.
Soil conditions.
Acremeter not for your width of drill.
Actual field size different.
Troubleshooting
Solution
Reduce field speed.
Clean out feed cups.
Clean out seed tubes.
See "Opener disks not turning freely" in
this Troubleshooting section.
Adjust opener,page 24.
Use faster drive type speed and close
feed cup flutes to a more narrow position.
Reduce field speed.
Wait until drier weather.
Readjust, page 17.
Readjust hitch height, page 14.
Adjust scraper, page 25.
Adjust scraper, page 25.
Replace disk bearings.
Replace opener frame.
Wait until drier weather.
Readjust opener down pressure, page 24.
Readjust press wheel, page 24.
Check tire size and air pressure, page 39.
Clean seed treatment from feed cups.
Check gearbox setting and seed-rate
handle setting, see the seed rate book.
Reduce field speed.
Open feed cups to a wider position.
Open feed cup door handle to a lower
position.
Correct tire size or air pressure, page 39.
Avoid overlap or gaps.
Loose soil and slippage will cause
variations in acres registered.
See the parts manual.
Verify field size.
29
150-285M