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TROUBLESHOOTING GUIDE
PROBLEM
UNEVEN SEED SPACING
OPENER DISCS NOT TURNING FREELY
PRESS WHEELS NOT COMPACTING
THE SOIL AS DESIRED
PRESS WHEEL OR OPENERS
PLUGGING
Native Grass Seed Troubleshooting Guide
PROBLEM
UNEVEN SEED SPACING SEED RATE
SECTIONS PLANTING AT DIFFERENT
RATES
EXCESSIVE SEEDING
5-2
PROBABLE CAUSE
Excessive field speed
Unclean seed
Build up of seed treatment in seed cup
Seed tubes sagging
Drive type (sprocket ratio) too slow
Plugged opener seed tube
Opener plugged with mud/dirt
Scraper set too tight
Soil control strip set too tight against
opener blades
Soil strip plugged with residue
Openers set too deep
Opener down pressure set too low
Incorrect press wheel depth adjustment
Openers set too deep
Backed up with openers in the ground
Scraper worn or not adjusted correctly
Opener blades worn, pinch point too wide
Planting conditions too wet
Opener bearing failure
PROBABLE CAUSE
Sprocket rate too low
Seed tube plugged
Agitator set incorrect or not turning
Seed bridging/Not flowing
Native grass seed can vary widely in
weight, types and density. Seed
treatments, temperature and humidity can
also effect rate
Sprockets/Drive types not set the same for
all sections
Plugged seed tube(s)
Opener plugged
Broken seed meter or agitator
Sprocket ratio too high
Seed too fine/Small
SOLUTION
Reduce field speed.
Use clean seed
Clean out seed meters
Replace seed tube
Use faster drive type and readjust seed
meter opening.
Clean out bottom of seed tube.
Clean opener.
(See "Opener Scraper
Adjust scraper
Adjustment" on page 4-37.)
Adjust soil strip
Adjust soil strip closer to blade, move
metal backing strip away from edge of
(See "Opener Soil Strip
soil strip
Adjustment" on page 4-38.)
Reduce depth.
Increase spring pressure on row units
(See "Native Grass Spring
Opener" on page 4-35.)
Reset press wheel depth adjustment
"Opener – Press Wheel
Adjustment" on page 4-37.)
Reduce depth.
Clean out opener and press wheels and
check for damage.
Replace or adjust scraper
Reset pinch point, replace worn out
blades.
Wait until drier weather
Replace opener bearings
SOLUTION
Change sprockets and calibrate drill.
Clean out seed tube.
Set agitator spacing and check drive
chain.
Add seed lubricant such as graphite.
Recommended to calibrate drill for each
seed and mix.
Change to same drive sprockets/Types.
Clean out seed tube.
Clean opener.
Repair seed meter/agitator.
Change sprockets and calibrate drill
Use main seed box or small seed box for
planting fine seed.
(See
F-1058-0820
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