HYUNDAI R110-7 hydraulic pump

The Hyundai R110-7 excavator  uses the Kawasaki K3V63DT-9C0S as its main hydraulic pump. This axial piston pump is a common choice for excavators in this size class due to its ability to deliver sufficient flow and pressure for various excavator functions.

Key Characteristics of the Kawasaki K3V63DT-9C0S

Displacement 63 cubic centimeters per revolution (ccrev)

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

Pressure Rating 900 bar (13,050 psi)

Functions Powered by the Hydraulic Pump

The hydraulic pump is the heart of the excavator's hydraulic system, converting engine power into high-pressure hydraulic fluid that powers various functions, including

Arm and bucket movement The pump provides the power for the hydraulic cylinders that control the arm's extension, retraction, and bucket movement.

Track drive The hydraulic fluid powers the hydraulic motors that drive the excavator's tracks.

Blade control (if equipped) The pump powers the hydraulic cylinders that control the blade's angle and depth.

Attachment operation (breakers, augers, etc.) The pump provides hydraulic flow for operating various attachments like breakers, augers, and thumbs.

Maintaining the Hydraulic Pump

Regular maintenance is crucial for optimal performance and longevity of the hydraulic pump. Refer to the operator's manual for specific 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 of hydraulic oil are specified in the operator's manual.

Change the oil and filter regularly Follow the recommended intervals for oil and filter changes to keep the hydraulic system clean and free of contaminants.

Check the fluid level regularly Check the hydraulic fluid level according to the markings on the reservoir to ensure it's within the appropriate range.

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.

Replacing the Hydraulic Pump

If the hydraulic pump needs replacement, opt for a genuine Kawasaki K3V63DT-9C0S 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 R110-7 excavator and ensure its optimal performance and longevity.

Additional Resources

Hyundai R110-7 Operator's Manual The operator's manual for your specific excavator will provide detailed information on the hydraulic pump, including maintenance procedures and troubleshooting steps.

Online Parts Suppliers You can find online retailers offering spare parts for various equipment, including hydraulic pumps. Ensure you source from reputable suppliers.

I hope this information is helpful. Please let me know if you have any other questions.

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