
2019-03-14
195-067M
Great Plains Manufacturing, Inc.
69
Troubleshooting
Problem
Cause
Solution
Planting too much
Incorrect seed rate or drive type.
Check seed rate information in Seed
Rate Manual.
Seed size and weight may vary.
Adjust seed rate handle.
Actual field size is different.
Verify field size.
Excessive overlap.
Irregular shaped field.
Adjust marker, page 24.
Incorrect tire size or air pressure.
Correct tire size and air pressure,
Seed cup door open too much.
Refer to Seed Rate Manual.
Planting too little
Incorrect seed rate or drive type.
Check seed rate information in Seed
Rate Manual.
Excessive field speed.
Reduce field speed.
Seed size and weight may vary.
Adjust seed rate handle.
Incorrect tire size or air pressure.
Correct tire size and air pressure,
Check seed level in seed box.
Fill seed box.
Actual field size is different.
Verify field size.
Excessive gaps between drill passes.
Adjust marker, page 24.
Build up of seed treatment in seed
cups.
Clean out seed cups.
Plugged opener seed tube.
Lift drill, expose bottom of seed tube
and clean out.
Obstruction in seed cup from foreign
matter or unclean seed.
Clean seed cup.
Thrown or worn drive chains
Check drive chains.
Worn sprockets and/or chain idlers.
Replace sprockets and/or chain idlers.
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
®
Damaged or missing seed flaps.
Replace seed flaps.
Partially plugged opener seed tube.
Lift up drill, expose bottom of seed
tube and clean out.