|
Poor seed spacing.
| Seed bowl vacuum holes plugged. |
Clean seed bowls.
Inspect knockout wheel
assembly.
|
| |
Farmer-applied seed treatment causes buildup, seeds
stick.
|
Follow recommended talc-graphite
usage and application procedure.
Clean meter and bowls.
|
| |
Worn meter brushes.
|
Replace brushes.
|
| |
Low vacuum.
|
See Low Vacuum under
Vacuum Meter in Troubleshoot section.
|
| |
Worn meter seals.
|
Replace seals.
|
| |
Seed bowl hubs misadjusted.
|
Readjust hubs.
|
| |
Incorrect vacuum for the seed being planted.
|
Adjust vacuum level
to recommended setting.
|
| |
Faulty vacuum sensor.
|
Check air line to sensor.
Clean if plugged. Replace if cut.
|
| |
Worn seed bowls.
|
Replace bowls.
|
| |
BrushBelt™ Cartridge is improperly installed or
worn.
|
Reinstall or replace
BrushBelt™ cartridge. Verify that cartridge hook is properly
positioned in unit shank.
|
| |
Mud inside BrushBelt™ cartridge.
|
Remove BrushBelt™,
clean, and reinstall.
|
| |
Seed sensor installed improperly.
|
Verify that tab in wear liner is properly positioned
in the seed sensor slot. (See Install and Remove BrushBelt delivery
cartridge in the Service and Adjustments section of this OM.)
|
| |
Worn cartridge guard.
|
Replace guard.
|
| |
Treated seed sticking in cell.
|
Clean bowls.
Increase application
rate of John Deere Talc-Graphite Lubricant.
|
| |
Seed bowls have not been sprayed with Graphite Lubricant.
|
Spray seed bowls with
Spray on Graphite Lubricant TY25797.
|
|
Low seed population.
| If low population displays on monitor and field counts
are accurate, sensors are dirty. |
Clean seed sensors.
|
| |
Seed bowl vacuum holes plugged.
|
Clean seed bowls.
Install knockout wheel
assembly or replace worn knockout wheel assembly.
|
| |
Vacuum holes plugged with dirty seed.
|
Use clean seed.
Install knockout wheel
assembly or replace worn knockout wheel assembly.
|
| |
Low seed level in CCS™ tank.
|
Add seed.
|
| |
Low seed level in meter.
|
See No Seed In Meter
in CCS™ Product Delivery Troubleshoot in this section.
|
| |
“Treated” seed sticking in cells.
|
Run CCS™ fan 10
minutes before planting (to warm air).
Inspect planting unit
seed meter bowls; clean if buildup is present.
Add John Deere Talc-Graphite
Lubricant to CCS™ tanks.
|
| |
Farmer-applied seed treatment causes buildup, seeds
stick.
|
Discontinue use of treatments
or increase use of talc-graphite mix.
|
| |
Low vacuum.
|
Increase vacuum level.
See Low Vacuum under
Vacuum Meter in Troubleshoot section.
|
| |
Foreign material (chaff) built up in vacuum dome.
|
Inspect and clean dome
.
|
| |
Worn meter seals.
|
Replace seals.
|
| |
Worn seed bowls.
|
Replace seed bowls.
|
| |
Seed “bridging” in hopper or meter.
|
Increase rate of talc-graphite
mix used.
Clean vacuum meter and hopper.
|
| |
Inadequate seed delivery.
|
Increase CCS™
tank pressure.
|
| |
Plugged inlet or discharge elbows.
|
Clean elbows.
|
| |
Vacuum level too low.
|
Increase vacuum level.
|
| |
Meter brush improperly installed or worn.
|
Install brush properly
or replace.
|
| |
Double eliminator set incorrectly.
|
Set inner double eliminator
brush at corn position. Lower by one notch if seed skips occur.
|
| |
Seed sensor installed improperly.
|
Verify that tab in wear liner is properly positioned
in the seed sensor slot. (See Install and Remove BrushBelt delivery
cartridge in the Service and Adjustments section of this OM.)
|
| |
Vacuum manifold orifices not installed.
|
Install orifices in
correct locations. See Vacuum Manifold Orifice Placement in Service
and Adjustments section.
|
|
High seed population.
| High vacuum. |
Adjust vacuum setting.
|
| |
Vacuum manifold orifices not installed.
|
See Vacuum Manifold
Tube Orifice Placement in Service and Adjustments section.
|
| |
Faulty vacuum sensor.
|
Check air line to sensor.
Clean if plugged. Replace if cut.
|
| |
Worn seed bowls.
|
Replace seed bowls.
|
| |
Seed size not compatible with seed bowls.
|
Use correct seed bowls.
|
| |
Meter brush improperly installed.
|
Install brush properly.
|
| |
Seed bowl hubs loose.
|
Adjust hubs. See Adjust
Meter Hub Height in Operating Machine section.
|
| |
Mini hopper screens plugged, meter overfilled.
|
Clean mini hopper screens.
|
| |
Discharge elbow holes plugged.
|
Clean elbows.
|
| |
CCS™ tanks running empty.
|
Fill or redistribute
seed in CCS™ tanks.
|
| |
Double eliminator set incorrectly.
|
See Eliminator Brush
Adjustment in Operating Machine section of this manual.
|
| |
Seed sensor installed improperly.
|
Verify that tab in wear liner is properly positioned
in the seed sensor slot. (See Install and Remove BrushBelt delivery
cartridge in the Service and Adjustments section of this OM.)
|
|
Too many skips.
| Low vacuum setting. |
Increase vacuum.
|
| |
Holes in vacuum bowl plugged with debris.
|
Remove debris. Install
knockout wheel.
|
| |
Low seed level in hopper.
|
Increase CCS™
tank pressure.
|
| |
Double eliminator setting too high.
|
Adjust double eliminator one notch lower and check results.
Repeat until results remove skips.
|
| |
Knockout wheel worn or damaged.
|
Make sure that knockout wheel is engaging in the holes
in the seed bowl by viewing from the back of the seed meter. Replace
knockout wheel as necessary.
|
|
Low vacuum.
| Orifices installed incorrectly in manifold tube.
|
See Vacuum Manifold
Tube Orifice Placement in Service and Adjustments section.
|
| |
Incorrect hydraulic connections.
|
Verify hose 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.
|
| |
Meter housing retaining strap not engaged.
|
Attach housing retaining
strap to chamber.
|
| |
Meter seals worn or flipped.
|
Inspect seals. Reposition
or replace.
|
| |
Air manifold system assembled without O-rings.
|
Add O-rings.
|
| |
Vacuum dome not closed properly.
|
Make sure vacuum dome
closes properly.
|
| |
Foreign material (chaff) built up in vacuum dome.
|
Inspect and clean dome.
|