OMN405620

Symptom	Problem	Solution
Suspension system gives a rough ride.	Tire inflation incorrectly set.	Check tire inflation (see Checking Tire Pressure in the Chassis section).
	Pressure in air springs not correctly set.	Correctly set pressure in air springs (see Adjusting Front And Rear Suspension Assemblies in the Chassis section.)
	Proper greasing intervals have not been followed or wrong type of lubrication has been used.	Follow correct lubrication intervals and lubrication procedures (see Lubrication And Maintenance section).
	Suspension scissors linkage is too tight.	Properly adjust linkage or (see your John Deere dealer).

Excessive grease leakage on the suspension.	Over greased.	Lubricate correctly. (See Lubricate Suspension Assemblies—Daily in the Lubrication And Maintenance section.)
	Worn or damaged seals.	See your John Deere dealer.

Excessive play in suspension or steering components.	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.
	Suspension scissors pins or bushings are worn.	See your John Deere dealer.
	Main suspension spindles or bushings are worn.	See your John Deere dealer.

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

Loose tread adjust shims.

Properly adjust thread adjust shims.

Auto Air Bag valve leaks air continually.

Elbow installed incorrectly pushing valve stem into constant “ON” position.

Screw elbow out so three threads are showing.

One air bag lower for Auto Air system.

Bracket is not adjusted correctly.

Adjust bracket to match other air bags.

OUO6092,0000FB5-19-20070710