Great Plains 2525P Operator Manual - Manual (Page 58)

2525P and 2520P
118-915M 4/23/2010
56
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 26.
Check 25 Series Opener adjust-
ments, page 28.
20 or 25 Series Opener press wheel
spring force is set too high. Check 20 Series Opener adjust-
ments, page 26.
Check 25 Series Opener adjust-
ments, page 28.
Incorrect spring pressure on openers. Correct spring pressure, page 28 or
page 29.
Seed-Lok™ building up with dirt. Lock up Seed-Lok™, page 53.
Engage Seed-Lok™ in dry conditions,
page 53.
Damaged or missing seed flaps. Replace seed flaps.
Damaged opener seed tube. Check disk spreader, page 67.
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 53.
Drill frame height incorrect. Check drill frame height, page 32.
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 26.
Check 20 Series Opener adjust-
ments, page 28.
20 or 25 Series Opener press wheel
spring force is set too high. Check 20 Series Opener adjust-
ments, page 26.
Check 20 Series Opener adjust-
ments, page 28.
Too much blade-to-blade contact. Take shims under head of bolt and
put between opener and disk bearing,
see page 67 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.
Problem Cause Solution