Great Plains 3N-4025P Operator Manual - Manual (Page 67)

4/23/2010 196-286M
65 Troubleshooting
Excessive seed cracking Excessive field speed. Slow down.
Unclean seed. Use clean seed.
Incorrect seed meter wheel. Change seed meter wheel, page 48.
Incorrect seed size for seed meter
wheel. Verify seed count on seed bag with seed
meter wheel.
Build up of seed treatment in seed
meter wheel pockets. Clean seed meter wheel. Add more talc
lubricant.
Worn or damaged seed meter wheel. Replace seed meter wheel.
Worn or damaged meter slide. Replace meter slide, page 71.
Damaged, old or dry seed. Use clean, new seed.
Drill boxes do not empty evenly Meter(s) are shut off. Open meter(s).
Opener seed tube plugged. Lift up drill, expose bottom of seed tube
and clean out with wire.
Sliding seed tube plugged. Clean out sliding seed tube.
Drive chains damaged or missing. Replace drive chains.
Planting around fields vs. back-and-
forth. Correct planting operation.
Rough field conditions may move
seed in the box.
Press wheel or openers plugging Planting conditions too wet. Wait until drier weather.
Coulters not set deep enough to cut
residue. Check coulter adjustment.
Coulters set too deep, bring up
excess dirt and moisture. Check coulter adjustment.
Drill not set to run level from front to
rear, carrying enough weight on
gauge wheels to prevent “nosing
over”, or set too low on rear caster
eyebolts allowing it to run “nose
high”. Check Leveling Frame Front-to-Rear,
page 19.
Opener set too deep. Readjust, page 30.
Opener spring force too high. Readjust, page 30.
15 Series Openers press wheel spring
force too high. Readjust, page 30.
15 Series Openers 1 x 12 press wheel
stagger adjustment not correct. Correct press wheel stagger.
20 and 25 Series Openers press wheel
spring force too high. Readjust, page 38 or page 41.
20 and 25 Series Openers 1 x 12 press
wheel stagger adjustment not correct. Correct press wheel stagger.
Backed up with drill in the ground Clean out and check for damage.
Failed disk bearings Replace disk bearings.
Disk blades worn. Adjust or replace disk blades, page 13.
20 and 25 Series Opener side depth
wheels not adjusted correctly. Readjust, page 39 or page 41.
Problem Cause Solution