Excavator Hydraulic Return Filter (30.5T - 40T Series)
High-Efficiency Contamination Control for Hydraulic Circuits
The high-efficiency hydraulic return filter is engineered for XCMG XE-series excavators in the 30.5 to 40-ton range. Installed on the return line before hydraulic fluid enters the reservoir, this filter is responsible for capturing metallic wear particles, dirt, and debris generated by actuators, control valves, and hydraulic motors during operation. By ensuring that fluid returned to the tank is clean, this filter prevents the circulation of contaminants, significantly extending the life of your hydraulic components and maintaining optimal system pressure.
1. Technical Specifications
| Parameter | Detail |
|---|---|
| Component Type | Hydraulic Return Filter Element |
| Primary Function | Filters hydraulic fluid as it returns to the reservoir, removing generated wear particles and contaminants to maintain system cleanliness |
| Compatibility (30.5T - 40T) | XE305D, XE310DA, XE335DK, XE370D, XE370DK, XE380DK, XE400DK |
2. Operational Importance
While the suction filter protects the pump from large debris, the return filter is responsible for the overall cleanliness of the hydraulic fluid circulating through the entire machine. On heavy-tonnage excavators (30.5T–40T), the high flow rates and rapid cycling of attachments generate significant microscopic wear debris. A clogged or damaged return filter allows this debris to recirculate, acting as an abrasive paste that damages seals, valves, and sensitive control components. Maintaining this filter is the most effective way to ensure smooth, responsive hydraulic performance.
3. Maintenance Protocols
Replacement Cycle: Recommended every 1,000 – 2,000 operating hours or during scheduled hydraulic fluid service. In high-cycle applications, replace according to the machine's maintenance indicator.
Maintenance Tips: Always clean the filter housing and surrounding area before removal to prevent external contaminants from dropping into the reservoir. Use only high-quality replacement elements to ensure the micron rating matches the hydraulic system requirements. Dispose of used filters responsibly and verify that no O-rings remain in the housing before installing the new element.
4. Technical Support & Logistics
Supplier: Xuzhou Sinoswift Import & Export Co., Ltd.
WhatsApp: +86 13701956981
Email: [email protected]