Suspension System

Symptom Problem Solution

Suspension system gives a rough ride.

Pressure in air springs not correctly set.

Correctly set pressure in air springs (See Lubrication and Maintenance section in this manual.)

Proper greasing intervals have not been followed or wrong type of lubrication has been used.

Follow correct lubrication intervals and lubrication procedures.

Tire inflation incorrectly set.

Check tire inflation (See Chassis section in this manual).

Suspension scissors linkage is too tight.

Properly adjust linkage or see your John Deere dealer.

Excessive grease leakage on the suspension.

Worn or damaged seals.

See your John Deere dealer.

Excessive play in suspension or steering components.

Main suspension spindles or bushings are worn.

See your John Deere dealer.

Suspension scissors pins or bushings are worn.

See your John Deere dealer.

Suspension scissors pins are loose.

Properly adjust linkage or see your John Deere dealer.

Suspension scissors wear shims are worn.

Replace shims and adjust properly. Adjust linkage.

Excessive movement of the entire suspension assembly relative to the mainframe.

Loose tread adjust shims.

Properly adjust thread adjust shims.

NX,OM4700,SUS -19-07AUG97-1/1