What are the common faults of hydraulic steering systems?

[DeDawson]

Common faults of hydraulic steering systems include heavy steering; steering wheel deviation; self-rotation of the steering wheel, unable to return to the neutral position; severe shaking of the steering wheel; no dead point in steering wheel rotation, etc. The specific common faults of hydraulic steering systems are as follows: 1. Insufficient oil suction. Lack of oil in the tank or insufficient oil in the tank, causing the oil pump to fail to draw oil. 2. Oil pump failure. Excessive wear of the oil pump, excessive internal leakage, reduced volumetric efficiency, when the system is working, the oil supply of the oil pump is less than the nominal flow of the steering gear, making it impossible to build up system pressure. 3. The manual steering check valve is not installed, debris lifts the steel ball of the check valve, causing poor sealing between the steel ball and the valve seat; the steel ball of the check valve falls between the valve sleeve and the valve body ring groove, causing the check valve to close improperly during power steering, connecting the inlet and outlet oil L4.