31N8-10050 hydraulic pump

The 31N8-10050 is an axial piston hydraulic pump manufactured by Kawasaki Heavy Industries. It is a common choice for main hydraulic pumps in excavators in the 20-ton to 25-ton size class, providing the power for various excavator functions like arm and bucket movement, track drive, blade control, and attachment operation.

Key Characteristics

Displacement 100 cubic centimeters per revolution (ccrev)

Control Type Single flow path (S) for a single hydraulic circuit

Pressure Rating 900 bar (13,050 psi)

Applications

Excavators The 31N8-10050 is frequently used in excavators in the 20-ton to 25-ton size class, such as

Hyundai R210LC-7

Komatsu PC220LC-8

Doosan DX220LC-5

Hitachi ZX220-5

Other Hydraulic Machinery While primarily used in excavators, this pump may also be compatible with other hydraulically powered machinery like skid steers, wheel loaders, and mining equipment.

Maintenance

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.

Replacement

If the hydraulic pump needs replacement, opt for a genuine Kawasaki 31N8-10050 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 31N8-10050 hydraulic pump in your equipment and ensure its optimal performance and longevity.

Additional Resources

Hyundai R210LC-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.

Elephant Fluid Power Co.,Ltd  Manufacture Excavator main pumps K3V, K5V,K7V Series as high quality and advantage price.

Such as JCB, Case, Caterpillar, Doosan, Daewoo, Volvo, Kobelco, Komatsu, Hyundai, Hitachi ,John Deere Excavators.

If need other model hydraulic pumpsmotors, please send to me.

www.heavyequipmentmaintain.com