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Suspension system gives a rough ride.
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Tire inflation incorrectly set.
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Check tire inflation (see Checking Tire Pressure in the Chassis section).
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Pressure in air springs not correctly set.
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Correctly set pressure in air springs (see Adjusting Front And Rear Suspension Assemblies in the Chassis section.)
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Proper greasing intervals have not been followed or wrong type of lubrication has been used.
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Follow correct lubrication intervals and lubrication procedures (see Lubrication And Maintenance section).
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Suspension scissors linkage is too tight.
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Properly adjust linkage or (see your John Deere dealer).
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Excessive grease leakage on the suspension.
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Over greased.
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Lubricate correctly. (See Lubricate Suspension Assemblies-Daily in the Lubrication And Maintenance section.)
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Worn or damaged seals.
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See your John Deere dealer.
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Excessive play in suspension or steering components.
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Suspension scissors pins are loose.
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Properly adjust linkage or (See your John Deere dealer.)
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Suspension scissors wear shims are worn.
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Replace shims and adjust properly. Adjust linkage.
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Suspension scissors pins or bushings are worn.
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See your John Deere dealer.
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Main suspension spindles or bushings are worn.
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See your John Deere dealer.
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Excessive movement of the entire suspension assembly relative to the mainframe.
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Loose tread adjust shims.
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Properly adjust thread adjust shims.
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