HYUNDAI R450-7 R500LC-7 R450LC hydraulic pump

The Hyundai R450-7, R500LC-7, and R450LC excavators commonly use the Kawasaki K5V200DTH hydraulic pump as their main hydraulic pump. This axial piston pump provides the necessary flow and pressure to power various excavator functions like

Arm and bucket movement Precise control for lifting, digging, and dumping operations.

Track drive Enables maneuvering and positioning of the excavator.

Blade control (if equipped) Allows for accurate grading and clearing.

Attachment operation (breakers, augers, etc.) Provides hydraulic power for various attachments.

Key Characteristics of the Kawasaki K5V200DTH Hydraulic Pump

Displacement 200 cubic centimeters per revolution (ccrev)

Control Type Typically Dual flow path (DTH) for independent control of two hydraulic circuits

Pressure Rating High-pressure rating (specific value might vary depending on the exact model variant)

Possible Variations

Some sources suggest that the Hyundai R450-7, R500LC-7, and R450LC excavators might also utilize other Kawasaki hydraulic pumps depending on the specific model configuration. These alternatives could include

K3V140DT-9N39 An axial piston pump suitable for excavators in the 14-ton to 16-ton size class.

Other Kawasaki models It's always best to consult your excavator's manual or contact a Hyundai dealership to confirm the exact hydraulic pump model used in your specific machine.

Maintenance and Replacement

Regular maintenance is crucial for the optimal performance and longevity of the Kawasaki K5V200DTH hydraulic pump. Refer to your operator's manual for specific maintenance intervals on oil changes, filter replacements, and fluid level checks. Here are some general maintenance tips

Use high-quality hydraulic oil The recommended type and viscosity are specified in the operator's manual.

Change the oil and filter regularly Follow the recommended intervals to maintain a clean and contaminant-free hydraulic system.

Check the fluid level regularly Ensure the hydraulic fluid level is within the appropriate range as indicated on the reservoir.

Inspect the pump for leaks and damage Regularly inspect the pump housing and surrounding components for leaks, loose connections, or visible damage. Address any issues promptly.

If the hydraulic pump needs replacement, opt for a genuine Kawasaki K5V200DTH pump or a high-quality equivalent from a reputable manufacturer. Non-genuine replacements may compromise performance, reliability, and safety. Consult a qualified technician for pump replacement, as it involves specialized tools and procedures.

Safety Precautions

Hydraulic systems operate at high pressures and can cause serious injuries if not handled properly. Always follow safety procedures when working on the hydraulic system

Depressurize the system before any maintenance or repairs.

Wear appropriate personal protective equipment (PPE) such as gloves, safety glasses, and sturdy footwear.

Consult qualified technicians for complex procedures.

By following these tips, you can maintain the hydraulic pump in your Hyundai excavator and ensure its optimal performance and longevity.

Additional Resources

Hyundai R450-7, R500LC-7, R450LC Operator's Manuals These manuals provide detailed information on the hydraulic pump, including maintenance procedures, troubleshooting steps, and safety guidelines.

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