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Uneven/Inaccurate metering or product delivery.
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Product level too low for accurate metering.
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Do not run tank empty; refill sooner.
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Foreign material blocking product passages.
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Remove blockage. Use screens when filling tanks.
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Lumps in seed.
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Use clean seed. Use screens when filling tanks.
Reset agitator shaft action.
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Seed bridging in tank.
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Add John Deere talc lubricant to seed tank.
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Seed Treatment
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Increase talc use, decrease seed treatment use.
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No product delivery with drive wheel engaged.
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Meter overload; drive pin sheared.
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Replace sheared drive pin with 2.5 mm diameter cotter pin. See OPERATING MACHINE - PRODUCT METERING.
Engage meter only when fan is running to avoid overload.
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Large product bridging meter entry.
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Install agitators above active runs to keep product free flowing.
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Chain slipping on product.
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Check chains for proper tension and adjust idlers as needed.
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Meter door not firmly against meter box.
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Tighten nuts until meter door is firmly against meter box.
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Meter drive sprockets not fully engaging.
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Adjust agitator sprocket to fully contact meter sprocket.
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| Symptom |
Problem |
Solution |
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Delivery rate above or below expected rate.
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Incorrect transmission speed setting.
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Review rate chart and reset transmission.
Perform meter rate check.
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Wrong meter wheels for product in use.
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Replace meter wheels with correct segments for desired application rate.
Check transmission settings.
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Inaccurate rate check results.
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Rerun rate check.
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Plugged product passages or meter segment flutes.
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Check and remove caked product from passages and segments.
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Excessive drive slippage.
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Check drives for binding or misalignment.
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Planting too fast for rough field conditions.
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Reduce speed.
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Incorrect drive tire pressure.
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Inflate to proper pressure.
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Meter drive sprockets not fully engaging.
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Adjust agitator sprocket to fully contact meter sprocket.
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