Toro Greensmaster 3200 Service Manual page 91

Problem
Steering wheel is hard to turn.
Regular adjustments to steering
wheel are necessary because of dif-
ficulty of driving in a straight line.
Steering wheel will not return to the
neutral position.
Steering wheel can turn on its own.
Backlash results when turning steer-
ing wheel.
Rear wheel shimmies when the
steering wheel is turned.
The steering wheel can be turned
without the rear wheel turning.
Steering response is too slow and
heavy when trying to turn quickly.
Turning steering wheel turns ma-
chine in the opposite direction.
Steering force (possibly to one side
only) is insufficient.
Greensmaster 3200/3200–D
Possible Cause
Steering control valve has insufficient oil pressure.
Emergency steering ball in steering control valve is missing or
damaged.
Leaf springs in steering control valve are worn or broken.
Gear wheel set is worn.
Steering cylinder is seized or its piston seals are worn.
Spool and sleeve are sticking to housing assembly.
Leaf springs are broken or stuck.
Spool and sleeve are sticking to housing assembly.
Cardan shaft fork is worn or broken.
Leaf springs are worn or broken.
Splines on the steering column are worn.
Air is in the steering cylinder.
Mechanical connections to the wheel or wheel bearing are worn.
Oil is needed in the hydraulic reservoir.
The steering cylinder is worn.
The gear set in the steering control valve is worn.
Oil supply to the steering control valve is insufficient.
Hoses to the steering cylinder are reversed.
Pressure to steering control valve is low.
Page 5 – 19 Hydraulic System