Vacuum Meter

No seed being planted.

Hoppers empty.

Fill hoppers.

No vacuum.

See Low Vacuum under VACUUM METER in Troubleshooting section.

Seed tubes plugged or damaged.

Inspect seed tubes.

Poor seed spacing.

Seed disk vacuum holes plugged.

Clean seed disks.

Farmer-applied seed treatment causes buildup, seeds stick.

Follow recommended usage and application procedure.

Worn meter brushes.

Replace brushes.

Low vacuum.

See Low Vacuum under VACUUM METER in Troubleshooting section.

Rusty planting unit or seed drive chains.

Lubricate chains.

Dirt build-up on herbicide/insecticide drive.

Clean drive.

Worn meter seals.

Replace seals.

Seed disk hubs misadjusted.

Readjust hubs.

Incorrect vacuum.

Adjust knob on control valve.

Faulty vacuum gauge.

Check air line to gauge. Clean if plugged. Replace if cut.

Worn seed disks.

Replace disks.

Seed tubes improperly installed or worn.

Reinstall or replace seed tubes. Ensure seed tube hook is properly positioned in unit shank.

Worn seed tube guard.

Replace guard.

Treated seed sticking in cell.

Increase application rate of John Deere Talc Lubricant.

Seed disks have not been sprayed with Slip Plate.

Spray seed disks with Slip Plate TY6431.

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Low seed population.

Seed disk vacuum holes plugged.

Clean seed disks. (Sorghum/Beet only) Install knockout or replace worn knockout.

"Dirty" seed plugging vacuum holes.

Use clean seed. (Sorghum/Beet only) Install knockout or replace worn knockout.

Seed disk wiper missing.

Replace wiper.

"Treated" seed sticking in cells.

Add John Deere Talc Lubricant to seed hoppers.

Farmer-applied seed treatment causes buildup, seeds stick.

Follow recommended usage and application procedure.

Rusty planting unit chains.

Lubricate chains.

Low vacuum.

See Low Vacuum under VACUUM METER in Troubleshooting section.

Dirt build-up on herbicide/insecticide drives.

Clean drives.

Worn meter seals.

Replace seals.

Worn seed disks.

Replace seed disks.

Seed "bridging" in hopper.

Add John Deere Talc Lubricant to seed hoppers.

Clean vacuum meter and hopper.

Seed "bridging" in meter.

Open meter baffle.

Add John Deere Talc Lubricant to seed hoppers.

Clean vacuum meter and hopper.

Seed size not compatible with seed disks.

Use correct seed disks.

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Excessive drive slippage.

Reduce unit down force.

Check drives for binding or misalignment.

Readjust seed transmission.

Vacuum level too low.

Increase vacuum level.

Planting too fast for rough field conditions.

Plant at speed recommended in planting rate chart.

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.

Using incorrect double eliminator setting.

Reduce double eliminator coverage of vacuum hole.

Incorrect drive tire or contact tire pressure.

Inflate to proper pressure. See CHECKING TIRE INFLATION in Preparing the Machine section.

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High seed population.

High vacuum.

Adjust control valve.

Faulty vacuum gauge.

Check air line to gauge. Clean if plugged. Replace if cut.

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.

Using incorrect double eliminator setting.

Increase double eliminator coverage of vacuum hole.

Incorrect drive tire or contact tire pressure.

Inflate to proper pressure. See CHECKING TIRE INFLATION in Preparing the Machine section.

Seed tubes plugging.

Machine rolling backward when lowering.

Lower machine while moving forward.

Turning tractor steering wheel when machine is down and stationary. (Four Wheel Drive tractors only.)

Avoid turning tractor when machine is down and stationary.

Inconsistent seed depth.

Planting in rough seed bed.

Use down force spring attachment on planting units.

Seed tubes partially plugged or improperly installed.

Inspect seed tubes. Ensure seed tubes are hooked properly in unit shank.

Too many skips.

Planting too fast.

Reduce planting speed.

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Premature blower motor seal failure.

Incorrect hydraulic connections.

Reconnect hydraulic hoses.

Shutting off to neutral.

Shut off to "float".

SCV lever not installed (30-60 series tractors).

Install SCV lever stop in tractor console.

Low vacuum.

Incorrect hydraulic connections.

Reconnect hoses.

Planting unit vacuum hoses not connected to meter.

Connect vacuum hoses to meter.

SCV lever stop not installed (30-60 series tractors).

Install lever stop in tractor console.

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 handle not engaged.

Attach housing handle to chamber.

Meter seals worn or flipped.

Inspect seals. Reposition or replace.

Air manifold system assembled without O-rings.

Add O-rings.

SCV lever stop cut to wrong length (30-60 series tractors).

Recut lever stop.

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Erratic vacuum.

SCV lever stop not installed (30-60 series tractors).

Install lever stop.

SCV lever stop cut to wrong length (30-60 series tractors).

Recut SCV lever stop.

Tractor SCV linkage is mistimed (30-60 series tractors).

Tractor SCV linkage must be readjusted.

Air manifold system clogged with dust.

Clean air manifold system.

"Flow checking" at SCV prevents return oil flow.

Install Auxiliary Return Line Coupler Kit (BA25379).

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 ZEROING VACUUM GAUGE in Operating the Vacuum Meter section.

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