PC200-8 / PC210-8 Swing Assembly

5 month ago

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4 year

Product details

I. Application Models

The KMF-125 Swing Assembly is a core hydraulic component for Komatsu PC200-8 and PC210-8 excavators, responsible for driving the upper rotating platform to achieve a 360-degree swing motion. This assembly adopts a piston-type design and utilizes a hydraulic system pressure-driven gear transmission mechanism to enable flexible steering of the excavator's working device.

II. Technical Characteristics

1. Hydraulic System Compatibility:

• Deeply integrated with Komatsu's Closed-Center Load Sensing (CLSS) hydraulic system, it achieves smooth start-stop and speed regulation of swing motions through coordinated control between the variable displacement pump and swing motor.

• With a maximum operating pressure of up to 37.2 MPa, it ensures reliable swing performance even under heavy-duty working conditions.

2. Structural Composition:

• Includes key safety devices such as relief valves and parking brakes to prevent overloading and accidental slippage.

• Adopts high-precision bearings and sealing components to effectively prevent hydraulic oil leakage and extend service life.

3. Performance Parameters:

• Suitable for PC200-8 (engine power: 110 kW) and PC210-8 (engine power: 125 kW) models, meeting different power requirements.

• Swing speed dynamically matches engine speed and hydraulic pump displacement to achieve efficient operation.

III. Maintenance Points

1. Regular Inspections:

• Hydraulic Oil Cleanliness: Check the oil contamination level every 500 operating hours to prevent impurities from entering the swing assembly.

• Seal Condition: Inspect all connections for oil leaks and promptly replace aging seal rings.

2. Lubrication Maintenance:

• Follow the maintenance manual to regularly change hydraulic oil and filters, ensuring proper system lubrication.

• Lubricate the swing bearing raceway regularly to reduce wear.

3. Troubleshooting:

• Common faults include weak swing, abnormal noise, or jamming, often caused by abnormal hydraulic system pressure or mechanical component wear.

• Diagnose fault codes using professional testing equipment and replace damaged components accordingly.

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

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4 year

Main Product: hydraulic motor , gear box, hydraulic pump, hydraulic valve , hydraulic winch, hydraulic system

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