Great Plains 2025P Operator Manual - Manual (Page 63)

8/14/2006 118-928M
61 Troubleshooting
Uneven seed depth (cont’d) 20 or 25 Series Opener side depth
wheels are set too deep for soil condi-
tions or coulter depth. Check 20 Series Opener adjust-
ments, page 27.
Check 25 Series Opener adjust-
ments, page 29.
20 or 25 Series Opener press wheel
spring force is set too high. Check 20 Series Opener adjust-
ments, page 27.
Check 25 Series Opener adjust-
ments, page 29.
Incorrect spring pressure on openers. Correct spring pressure, page 29 or
page 30.
Seed-Lok™ building up with dirt. Lock up Seed-Lok™, page 58.
Engage Seed-Lok™ in dry conditions,
page 58.
Damaged or missing seed flaps. Replace seed flaps.
Damaged opener seed tube. Check disk spreader, page 72.
Partially plugged opener seed tube. Lift up drill, expose bottom of seed
tube and clean out.
Incorrect choice of coulter. See hitch operator’s manual.
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 58.
Drill frame height incorrect. Check drill frame height, page 37.
Drill not level front-to-back in the
field. Readjust top link to level drill.
20 or 25 Series Opener side depth
wheels not adjusted correctly.
too tight - dragging on blade
too loose - allowing dirt between
blade and wheel
Check 20 Series Opener adjust-
ments, page 27.
Check 20 Series Opener adjust-
ments, page 29.
20 or 25 Series Opener press wheel
spring force is set too high. Check 20 Series Opener adjust-
ments, page 27.
Check 20 Series Opener adjust-
ments, page 29.
Too much blade-to-blade contact. Take shims under head of bolt and
put between opener and disk bearing,
see page 72 for information.
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.
HD 10 series openers set too deep.
Soil flowing over blade contact point. Set press wheel to shallower setting.
Reduce spring pressure on opener.
See Adjustments on page 33.
Problem Cause Solution