Steering Circuit Problems - Toro Groundsmaster 4300-D Service Manual

Steering Circuit Problems

Groundsmaster ® 4300-D
16226SL Rev C
Problem
The steering is inoperative or sluggish. • The steering components (e.g., tie rods,
steering cylinder ends) are worn or binding.
• The steering cylinder is binding.
• The fluid level in the hydraulic reservoir is low
(other hydraulic systems are affected as well).
• The steering relief valve (R10) in the steering
control valve is stuck or damaged.
• The steering cylinder leaks internally.
• The steering control valve is worn or
damaged.
• The gear pump section (P3) is worn or
damaged.
Note: A worn or damaged gear pump section
(P3) will also affect the traction (charge) circuit.
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Possible Causes
Hydraulic System: Troubleshooting