Great Plains 3N-4025P Operator Manual - Manual (Page 129)

Great Plains Manufacturing, Inc. Table of Contents Index Troubleshooting 125
2014-01-29 Table of Contents Index 196-538M
Uneven seed spacing Excessive field speed. Slow down.
Unclean seed. Use clean seed.
Lack of talc lubricant. Add talc lubricant, page 32.
Build up of seed treatment in meter. Clean out seed meter, page 138. Add
more talc lubricant.
Seed-Lok
®
plugging. Lock up Seed-Lok
®
, “10 Series
Seed-Lok
®
™ Lock-Up” on page 99 or
“25 Series Seed-Lok
®
Lock-Up” on
page 121.
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, “10 and 20
Series Meter Slide Maintenance” on
page 140.
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.
Coulter depth adjustment. Check Operator manual.
Planting conditions too wet. Wait until drier weather.
10 Series opener press wheel depth too
deep for soil conditions or coulter depth. See “10P Series Row Unit
Adjustments” on page 95.
20 and 25 Series opener side depth
wheels are set too deep for soil
conditions or coulter depth. See “20P Series Row-Unit Planting
Depth” on page 110 or see “25 Series
Opener Depth” on page 119.
20 and 25 Series opener press wheel
spring force is set too high. See “20P Series Row-Unit
Adjustments” on page 109 or see “25
Series Row-Unit Adjustments” on
page 115.
Incorrect spring pressure on openers. Correct spring pressure, page 96,
page 103, page 110 or page 116
Seed-Lok
®
building up with dirt. Lock up Seed-Lok
®
, “10 Series
Seed-Lok
®
™ Lock-Up” on page 99 or
“25 Series Seed-Lok
®
Lock-Up” on
page 121.
Engage Seed-Lok
®
in dry conditions.
Damaged or missing seed flaps. Replace seed flaps.
Damaged opener seed tube. Check opener maintenance, page 152 or
page 152.
Problem Cause Solution