Steering and Ground Speed Controls

SymptomProblemSolution

Machine Will Not Steer Straight, Tends to Wander When Steering is Held Still

Inspect steering linkages for wear or looseness

Replace worn parts. (If ball joints or special bushings have 0.76 mm (0.030 in.) free play, it will affect steering control.) Tighten any loose hardware, especially ball joint cap screws and jam nuts on the ball joint rods.
 

Lack of charge pressure or flow

See DRIVE SYSTEM, “Low Charge Pressure” in this section.

Steering wheel does not turn freely during operation

binding linkage(s)

Check linkage(s) for interference or bent parts.
 

Improper steering assist relief setting

See your John Deere dealer.
 

Steering binding in steering column with tilted

See your John Deere dealer.

Windrower Moves on Flat Ground With Ground Speed Lever in Neutral and Steering Wheel Centered

Ground drive controls out of adjustment

See you John Deere dealer.

Ground Speed Control Lever Hard To Move

Control cable worn

Replace.
 

Damaged dampener

Replace.

Ground Speed Control Handle Has Excessive Free Movement

Control cable worn

Replace cable.

Internal park brakes dragging or overheating

Low charge pressure

See DRIVE SYSTEM, "Low Charge Pressure" in this section.
 

Electro-hydraulic valve malfunctioning

See your John Deere dealer.

Ground Speed Surges While Steering

Loose or worn hydro cable

Tighten cable joints or replace cable.

RC48509,00005BD-19-20120815