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Groundsmaster 5900/5910Hydraulic System Page 4 -- 36
Steering Circuit Problems
Problem Possible Cause
Steering inoperative or sluggish. Steering components (e.g. tie rods, steering cylinder ends) are
worn or binding.
Steering cylinder is binding.
Oil level in hydraulic reservoir is low (other hydraulic systems af-
fected as well).
Steering relief valve (RV) in steering/cooling fan control valve is
stuck or damaged.
Flow divider (FD) in deck lift control valve is faulty.
Proportional valve (PV) in steering/cooling fan control valve is
faulty.
Steering cylinder leaks internally.
Steering control valve is worn or damaged.
Gear pump section (P3) is worn or damaged (NOTE: A worn or
damaged gear pump section (P3) will also affect the traction
(charge) and lift circuits).