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Wheels do not penetrate.
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Machine not level.
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Level machine from side-to-side and front-to-rear.
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Hard ground or adverse operating conditions.
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Lower mainframe to increase spring tension on wheels.
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Operating machine too slow for soil conditions.
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Increase speed.
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Machine does not tow straight when operating.
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Not leveled side-to-side.
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Level machine.
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Tire inflation pressure.
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Inflate tires evenly.
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Hydraulic wing lift does not function properly.
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Wings raise too slowly or not at all.
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Adjust metering valve to fast position.
Check tractor hydraulic pressure.
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Wings raise too fast.
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Adjust metering valve.
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Cylinder leakage.
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Repair or replace. See your John Deere dealer.
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Lift cylinder too small.
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Use correct size cylinder.
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Tractor valve leakage.
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Repair valve.
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Hydraulic hoses not connected properly.
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Connect hoses properly.
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