K5V pump details

The K5V pump is a swashplate-type axial piston pump developed by Kawasaki Heavy Industries, featuring high power density, high reliability, and multiple control functions. It is suitable for applications in construction machinery and other fields.

First, Product Features

1. High Power Density

Through optimized swashplate angle design, the K5V pump achieves higher output power within the same volume, meeting the demand for compact power in construction machinery.

2. Diverse Control Functions

• Electro-proportional displacement control: Adjusts pump output via proportional solenoid valves for linear flow response to electrical signals.

• Constant power control: Automatically reduces displacement when operating pressure rises to maintain constant power output, preventing prime mover overload.

• Pressure cut-off control: Minimizes pump displacement when system pressure reaches setpoint to prevent overpressure damage.

3. High Reliability

Utilizes wear-resistant materials and precision manufacturing processes, significantly extending key component lifespan. Withstands high-torque conditions, reducing downtime for maintenance.

4. Installation Compatibility

Identical external dimensions and mounting profiles to the K3V series facilitate equipment upgrades and minimize replacement costs for users.

Second, Application Scenarios

1. Concrete Pump Trucks

Constant power control and pressure cutoff adapt to drastic load fluctuations during pumping, ensuring stable system operation.

2. Excavators

Electro-proportional displacement control enables precise operation, enhancing work efficiency and energy savings.

3. Cranes

High output torque meets heavy-load lifting demands while pressure control ensures safety.

Third, Maintenance and Troubleshooting

1. Common Faults

• Insufficient displacement: Inspect proportional solenoid valves, pressure-reducing valves, or power control valves for sticking.

• Abnormal pressure: Check relief valve settings and pressure cutoff valve seals.

• Excessive noise: Verify suction filter element clogging and oil viscosity suitability.

2. Maintenance Procedure

• External Inspection: Check for pipe leaks, low oil levels, etc.

• Component Disassembly: Inspect plunger and distributor plate wear; replace if necessary.

• Parameter Calibration: Use specialized tools to adjust relief valve outlet pressure and electro-proportional valve voltage.

3. Precautions

Maintenance must be performed by qualified personnel to prevent secondary failures from incorrect assembly.

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Kawasaki K5V pumps

Swash K5V pumps