Komatsu Excavator Parts hydraulic filter 21W-60-41121

Komatsu Excavator Parts hydraulic filter 21W-60-41121

Hydraulic Filters are essential components in an excavator’s hydraulic system, ensuring the cleanliness of the hydraulic fluid. Clean hydraulic fluid is crucial for maintaining the performance and longevity of hydraulic components like pumps, valves, and cylinders. Here’s a detailed look at hydraulic filters in the context of excavators:

Key Functions of Hydraulic Filters

1. Contaminant Removal: Filters remove contaminants such as dirt, metal particles, and other debris from the hydraulic fluid.
2. System Protection: By keeping the hydraulic fluid clean, filters protect sensitive components from wear and damage.
3. Performance Maintenance: Ensuring clean fluid helps maintain the efficiency and performance of the hydraulic system.
4. Extended Component Life: Clean hydraulic fluid reduces wear and tear on components, extending their operational life.

Types of Hydraulic Filters

1. Suction Filters: Located in the hydraulic reservoir, these filters clean the fluid before it enters the pump.
2. Pressure Filters: Positioned downstream of the pump, they filter fluid at system pressure, protecting components like valves and actuators.
3. Return Line Filters: Installed in the return line, these filters clean the fluid before it returns to the reservoir.
4. Breather Filters: Mounted on the reservoir, these filters prevent contaminants from entering the system through the air intake.

Components of Hydraulic Filters

• Filter Element: The core part of the filter that traps contaminants. It can be made of various materials like paper, metal mesh, or synthetic fibers.
• Filter Housing: Encases the filter element and directs the flow of hydraulic fluid.
• Bypass Valve: Allows fluid to bypass the filter element if it becomes clogged, ensuring continuous fluid flow to the system.
• Indicator: Some filters have indicators to signal when the filter needs to be replaced.

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