Great Plains 3N-3020 Operator Manual User Manual
Page 51
3/29/2012
196-366M
49
Troubleshooting
Excessive seed cracking.
Excessive field speed.
Reduce field speed.
Unclean seed.
Use clean seed.
Damaged, old or dry seed.
Use clean, new seed.
Seed cup flutes not open enough.
Open seed cup flutes.
Seed cup door handle not open
enough.
Drill boxes do not empty evenly.
Drive types not the same on all
boxes.
Correct drive types.
Opener seed tube plugged.
Lift up drill, expose bottom of seed
tube and clean out with wire.
Drive chains missing or damaged.
Replace drive chains.
Planting around fields vs. back-and-
forth.
Correct planting operation.
Rough field conditions may move
seed in the box.
N/A
Seed cup(s) are shut off.
Open seed cup(s).
Some models do not have the same
number of seed cups between each
bulkhead divider. The section with
more seed cups will empty sooner.
Verify number of seed cups in each
box.
Press wheel or openers plugging
Planting conditions too wet.
Wait until drier weather.
Too much hydraulic pressure on
openers.
Reduce hydraulic down pressure on
openers.
Backed up with drill in the ground.
Clean out and check for damage.
Failed disk bearings.
Replace disk bearings.
Disk blades worn.
Replace disk blades.
Scraper worn or damaged.
Replace scraper.
Seed cup sprockets locked up or seed
drive shaft twisted.
Foreign matter lodged in seed cup
sprockets.
Clean out seed cup sprockets.
Build-up of dried liquid insecticide in
seed cups.
Remove build-up by disassembling
each seed cup and scraping the for-
eign substance from turning sur-
faces.
Problem
Cause
Solution