| Symptom |
Problem |
Solution |
|
Poor seed spacing.
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Seed disk vacuum holes plugged.
|
Clean seed disks.
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|
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Farmer-applied seed treatment causes buildup, seeds stick.
|
Follow recommended talc usage and application procedure.
Clean meter and disks.
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|
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Worn meter brushes.
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Replace brushes.
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Low vacuum.
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See Low Vacuum under VACUUM METER in Troubleshoot section.
|
|
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Rusty planting unit or seed drive chains.
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Lubricate chains and check for freedom of movement.
|
|
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Dirt buildup on herbicide or insecticide drive.
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Clean drive.
|
|
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Worn meter seals.
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Replace seals.
|
|
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Seed disk hubs misadjusted.
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Readjust hubs.
|
|
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Incorrect vacuum for the seed being planted.
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Adjust vacuum level to recommended setting.
|
|
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Faulty vacuum gauge.
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Check air line to gauge. Clean if plugged. Replace if cut.
|
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Worn seed disks.
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Replace disks.
|
|
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Seed tubes improperly installed or worn.
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Install seed tubes correctly. Ensure that seed tube hook is properly positioned in unit shank.
|
|
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Mud inside seed tubes.
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Clean off mud with cleaning brush.
|
|
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Worn seed tube guard.
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Replace guard.
|
|
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Treated seed sticking in cell.
|
Clean disks.
|
|
|
|
Increase application rate of John Deere Talc Lubricant.
|
|
|
Seed disks have not been sprayed with Graphite Lubricant.
|
Spray seed disks with Spray on Graphite Lubricant TY25797.
|
| Symptom |
Problem |
Solution |
|
Low seed population.
|
If low population displays on monitor and field counts are accurate, sensors are dirty.
|
Clean seed tubes and sensors.
|
|
|
|
Refer to POPULATION ADJUST in SeedStar Operator's Manual for more information.
|
|
|
Seed disk vacuum holes plugged.
|
Clean seed disks.
|
|
|
|
Flat-Type Disk: Install seed knockout assembly or replace worn seed knockout assembly.
|
|
|
"Dirty" seed plugging vacuum holes.
|
Use clean seed.
|
|
|
|
Flat-Type Disk: Install seed knockout assembly or replace worn seed knockout assembly.
|
|
|
Seed disk wiper missing.
|
Replace wiper.
|
|
|
"Treated" seed sticking in cells.
|
Inspect planting unit seed meter disks; clean if buildup is present.
|
|
|
|
Add John Deere Talc Lubricant to seed hoppers.
|
|
|
Farmer-applied seed treatment causes buildup, seeds stick.
|
Discontinue use of treatments or increase use of talc.
|
|
|
Rusty planting unit chains.
|
Lubricate chains and check for freedom of movement.
|
|
|
Foreign material (chaff) built up in vacuum dome.
|
Inspect dome and clean if necessary.
|
|
|
Worn meter seals.
|
Replace seals.
|
|
|
Worn seed disks.
|
Replace seed disks.
|
|
|
Seed "bridging" in hopper.
|
Increase rate of talc used.
Clean vacuum meter and hopper.
|
| Symptom |
Problem |
Solution |
|
|
Seed "bridging" in meter.
|
Increase rate of talc used.
Clean vacuum meter and hopper.
|
|
|
Seed size not compatible with seed disks.
|
Use correct seed disks.
|
|
|
Excessive drive slippage.
|
Reduce unit down force.
Check mechanical seed transmission air bag pressure.
Check drives for binding or misalignment.
Readjust seed transmission.
|
|
|
Planting too fast for rough field conditions.
|
Plant at speed recommended in planting rate chart.
Increase vacuum.
Increase unit down force.
|
|
|
Meter brush improperly installed or worn.
|
Install brush properly or replace.
|
|
|
Using incorrect transmission sprocket combination.
|
Use sprocket combination recommended in planting rate chart or adjust upward due to excess drive slippage.
|
|
|
Incorrect drive tire or contact tire pressure.
|
Inflate to proper pressure. See CHECKING TIRE INFLATION in Prepare Machine section.
|
|
|
Double eliminator set incorrectly.
|
See USING DOUBLE ELIMINATOR in your Rate Charts and Settings Operator's Manual.
|
|
|
Vacuum manifold orifices not installed.
|
Install orifices in correct locations. See VACUUM MANIFOLD TUBE ORIFICE PLACEMENT in Service and Adjustment section.
|
| Symptom |
Problem |
Solution |
|
High seed population.
|
High vacuum.
|
Adjust vacuum setting.
|
|
|
Vacuum manifold orifices not installed.
|
See VACUUM MANIFOLD TUBE ORIFICE PLACEMENT in Service and Adjustment section.
|
|
|
Faulty vacuum gauge.
|
Check air line to gauge. Repair as needed.
|
|
|
Worn seed disks.
|
Replace seed disks.
|
|
|
Seed size not compatible with seed disks.
|
Use correct seed disks.
|
|
|
Planting too slow.
|
Plant at speed recommended in planting rate charts.
|
|
|
Meter brush improperly installed.
|
Install brush properly.
|
|
|
Seed disk hubs loose.
|
Tighten hubs.
|
|
|
Using incorrect transmission sprocket combination.
|
Use sprocket combination recommended in planting rate charts or adjust downward due to low drive wheel slippage.
|
|
|
Incorrect drive tire or contact tire pressure.
|
Inflate to proper pressure. See CHECKING TIRE INFLATION in Prepare Machine section.
|
|
|
Double eliminator set incorrectly.
|
See USING DOUBLE ELIMINATOR in your Rate Charts and Settings Operator's Manual.
|
|
Seed sensor tubes plugging.
|
Machine rolling backward when lowering.
|
Lower machine while moving forward.
|
|
|
Mud inside seed tubes.
|
Clean off mud with cleaning brush.
|
|
|
Turning tractor steering wheel when machine is down and stationary. (Four Wheel Drive or Track tractors only.)
|
Avoid turning tractor when machine is down and stationary.
|
| Symptom |
Problem |
Solution |
|
Inconsistent seed depth.
|
Planting in rough seed bed.
|
Increase row unit down force.
|
|
|
Seed tubes partially plugged or improperly installed.
|
Inspect seed tubes. Ensure that seed tubes are hooked properly in unit shank.
|
|
|
|
Clean off mud with cleaning brush.
|
|
Too many skips.
|
Low vacuum setting.
|
Increase vacuum.
|
|
|
Planting too fast.
|
Reduce planting speed.
|
|
|
Low seed level in hopper.
|
Fill hopper.
|
|
Premature blower motor seal failure.
|
Incorrect hydraulic connections.
|
Verify hydraulic connections.
|
|
|
High case drain pressure.
|
Check for 172 kPa [1.72 bar] [25 psi.]) or less back pressure at motor.
|
|
|
|
Ensure case drain line is connected and hose not kinked.
|
| Symptom |
Problem |
Solution |
|
Low vacuum.
|
Orifices installed incorrectly in manifold tube.
|
See VACUUM MANIFOLD TUBE ORIFICE PLACEMENT in Service and Adjustment section.
|
|
|
Incorrect hydraulic connections.
|
Verify hydraulic connections.
|
|
|
Planting unit vacuum hoses not connected to meter.
|
Connect vacuum hoses to meter.
|
|
|
Flow control valve misadjusted.
|
Adjust control valve knob.
|
|
|
Air manifold system clogged with dust.
|
Clean air manifold system.
|
|
|
Manifold hoses kinked or pinched.
|
Reposition hoses.
|
|
|
Blower guard clogged with dust or seed treatments.
|
Clean blower guard.
|
|
|
Vacuum dome retaining strap not engaged.
|
Attach retaining strap to vacuum dome.
|
|
|
Meter seals worn or flipped.
|
Inspect seals. Reposition or replace.
|
|
|
Air manifold system assembled without O-rings.
|
Add O-rings.
|
|
|
Foreign material (chaff) built up in vacuum dome.
|
Inspect dome and clean if necessary.
|
|
Erratic vacuum.
|
Air manifold system clogged with dust.
|
Clean air manifold system.
|
|
|
Control valve failed.
|
Replace control valve.
|
|
|
Tractor oil level low.
|
Add oil.
|
|
|
Tractor not stabilizing flow (when controlled with tractor SCV).
|
Add motor adapter to vacuum motor.
|
|
Vacuum gauge does not zero.
|
Not adjusted.
|
Zero adjustment. See ZERO VACUUM GAUGE in your Rate Charts and Settings Operator's Manual.
|