Toro Groundsmaster 3280-D Service Manual page 64

Problem
Cutting deck (or implement) raises,
but will not stay up
Steering inoperative or sluggish
Hydraulic System
Possible Cause
Lift cylinder leaks internally.
Lift control valve leaks.
Engine speed is too low.
Reservoir (front axle) oil level is low.
Steering components (e.g. tie rods, steering cylinder ends) worn or
binding.
Steering cylinder is binding.
Implement relief valve stuck or damaged (Note: lift circuit also af-
fected).
Steering control valve is worn or damaged.
Steering cylinder leaks internally.
Charge pump flow or pressure is low (Note: Low charge pump flow
or pressure will also affect the lift circuit).
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