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Machine does not raise or lower evenly.
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Wing lock-up valve is set to "Transport", without turnbuckle installed.
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Move wing lock-up valve to "Plant" or install turnbuckle.
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Frame raises or lowers slowly.
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Tractor SCV flow control not open enough.
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Adjust SCV flow control to MAX flow (2250 psi).
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Low tractor hydraulic pressure.
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Tractor standby pressure must be a minimum of 15 513 kPa (155.1 bar) (2250 psi).
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Frame does not raise or lower level.
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Wheel cylinder seal leaking.
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Replace seal. See your John Deere Dealer.
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Check valve leaking in wing lock-up valve.
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Repair check valve.
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Wing lock-up valve is set to "Transport", without turnbuckle installed.
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Move wing lock-up valve to "Plant" or install turnbuckle.
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Air in hydraulic system.
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Hold SCV lever rearward for 5 seconds to rephase and purge air from system.
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Machine will not lower.
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Pressure and return hoses not fully engaged in tractor SCV outlets.
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Verify hoses are fully engaged into tractor SCV couplers.
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