Insufficient Pressure or Flow
- Check pump oil discharge and internal discharge levels.
- Verify oil level and pump suction.
- Ensure motor steering is correct.
- Inspect relief valves and flow adjustment valves.
Abnormal Actuator Operation
- Verify reversing valve and system pressure.
- Check for air mixed in the system.
- Adjust flow and pressure valves.
High Temperature & Excessive Noise
- Check for excessive pressure adjustment.
- Inspect for large oil viscosity or pump leakage.
- Ensure sufficient oil in the tank.