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Disks not revolving.
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Drill is hitched too high in front so pressure is on boot instead of disk-Single Disk Opener.
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Hitch machine properly.
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Scrapers adjusted too tight.
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Loosen scrapers so they have just sufficient pressure to clean disks. Disengage scrapers when not needed.
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Pressure not adjusted properly so furrow opener can float over high and low spots in field.
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Adjust pressure on furrow openers so the collar on pressure rod is about 38 mm (1-1/2 in.) above pressure arm swivel.
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Openers spaced too close together.
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Adjust opener spacing.
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Insufficient spacer washers on disk hubs-Double-Disk Openers.
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Add washers to hubs.
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Lack of penetration or excessive wear on bottom of boot-Single Disk Opener.
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Boot adjusted too low.
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Adjust boot.
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Clogging of grain tubes and furrow openers.
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Machine improperly hitched.
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Hitch machine properly.
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Using high residue seed or lumpy fertilizer.
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Use clean seed and dry free-flowing fertilizer.
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Stopping machine in field and letting machine roll backward, filling the bottom of boot with dirt.
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Raise furrow openers before stopping machine. Do not permit machine to roll backwards if it is necessary to stop without raising furrow openers.
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Convolute tube rib collapsed inside opener boot.
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Install tube correctly.
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Fluted-feed shifter lever difficult to shift.
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Dirt on exposed flute.
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Remove dirt.
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Pressure on feed shaft.
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Turn feed shaft back slightly with wrench to relieve pressure.
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| Symptom |
Problem |
Solution |
|
Varying quantities drilled by individual feeds.
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Seed bridging in box due to unclean seed, inoculation, treatment, or dampness.
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Use agitators.
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Feed gates not all set the same.
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Adjust gates according to instructions.
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Feed cup out of adjustment with the fluted-feed roll.
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Adjust feed.
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Section of grain box emptying unevenly.
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There are more feed cups operating in one section than the other. Sections will empty quicker. Adjust cups or feed stops.
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Quantities drilled not agreeing with seed chart.
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Feed gates improperly adjusted.
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Adjust gates according to instructions.
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Heavier or lighter than average weight seed.
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Check quantity drilled. Check seed density.
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Improper tire inflation, tire size, or tread.
|
Inflate and inspect tires.
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Feed cups not properly set.
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Check cup adjustment.
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Excessive field speed.
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Reduce ground speed.
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Excessive spring force on press wheels.
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Reduce spring force.
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Drive wheel not contacting ground.
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Add weight to machine using calcium chloride in tires or wheel weights (H93849). Also, stroke on opener can be limited if necessary.
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| Symptom |
Problem |
Solution |
|
Bunching and skipping.
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Improper adjustment of furrow openers resulting in openers not penetrating low spots or "bouncing" over rough ground.
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Prepare seedbed, adjust furrow openers and reduce operating speed.
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Improper shift lever setting procedure.
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Use correct procedure.
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Double-disk opener not turning smoothly.
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Loosen scrapers, adjust disks.
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Seed caught in tubes.
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Make sure tubes are properly installed.
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Loose or swinging drawbar on tractor.
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Lock tractor drawbar to prevent swinging.
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Stopping machine in middle of field.
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Stop only at ends of field whenever possible.
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Lack of penetration.
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Insufficient down-pressure.
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Increase down-pressure.
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Insufficient seed-bed preparation.
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See individual opener for seedbed requirements.
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Excessive field speed for field conditions.
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Reduce ground speed.
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Irregular grass seed distribution.
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Seed tubes clogged with foreign objects.
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Remove tubes and clean.
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Varying quantities between individual feeds.
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Distributing light chaffy seeds.
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Mix seed with heavier seed or other material such as cracked corn to give it weight.
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Quantities do not agree with seed chart.
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Heavier or lighter than average weight seed.
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Check quantities drilled. Check seed density.
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Irregular drilling with fertilizer.
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Drill improperly hitched.
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Hitch machine properly.
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Loose or swinging drawbar on tractor.
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Lock tractor drawbar to prevent it from swinging.
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| Symptom |
Problem |
Solution |
|
Clogging of tubes.
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Boots clogged with dirt or fertilizer.
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Do not stop or allow dirt to back up with furrow openers down.
Keep fertilizer dry.
|
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Quantities drilled not agreeing with fertilizer chart.
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Using wrong fertilizer drive.
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Check drive for proper sprocket assembly.
Use proper gear case setting.
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Quantity drilled has not been checked.
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Check quantity drilled.
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Improper tire inflation, tire size, or tread.
|
Inflate and inspect tires.
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|
Fertilizer density other than 1041 kg/m
3
(5 lb/ft
3
).
|
Set fertilizer rate for correct density.
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Feed wheel installed improperly.
|
Install traction feeds properly.
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Flow of fertilizer stops.
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Broken shear pin.
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Install new shear pin.
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Fertilizer spills out of feeds.
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Baffles installed incorrectly.
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Install baffles.
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Acremeter tallying incorrectly.
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Improper tire inflation, tire size, or tread.
|
Inflate tires.
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Double tracking, or leaving too wide a space between rows on each trip across field.
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Drive carefully; leave same space between seeded strip as the furrow opener spacer on the machine.
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Acremeter tallying incorrectly.
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Plot of land contains more or less land than assumed.
|
Re-measure land.
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Incorrect drive gear.
|
Check gear size.
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Excessive spring force on press wheel.
|
Reduce spring force.
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