Excavator Inner Air Filter Element (20T - 31T Series)
High-Efficiency Secondary-Stage Engine Protection
The high-efficiency inner air filter element is specifically engineered for XCMG XE-series excavators in the 20T to 31T range. Functioning as the vital secondary stage of the engine air intake system, this filter acts as a safety barrier to ensure that only ultra-clean air enters the combustion chamber. By providing an additional layer of protection against fine dust and particulate matter that may bypass the primary outer filter, this element is essential for preventing internal cylinder wear and preserving the power, fuel efficiency, and long-term mechanical integrity of the diesel engine.
1. Technical Specifications
| Parameter | Detail |
|---|---|
| Component Type | Secondary (Inner) Engine Air Filter Element |
| Primary Function | Fine-particle filtration; provides secondary protection against dust and contaminants to prevent engine damage |
| Compatibility (20T - 31T) | XE200D, XE200DA, XE205D, XE205DA, XE210WD, XE215D, XE215DA, XE245DK, XE305D, XE310DA |
2. Operational Importance
The engine’s air intake is its most vulnerable point. While the outer primary filter handles the bulk of environmental debris, the inner filter serves as the last line of defense. In construction environments, fine dust can cause exponential wear on cylinder walls and piston rings if allowed to enter the combustion chamber. This secondary element ensures the engine internals remain protected even under demanding conditions, maintaining the manufacturer's performance standards throughout the machine's life.
3. Maintenance Protocols
Replacement Cycle: Recommended every 1,000 – 2,000 operating hours or every second to third primary outer filter change. Always replace if the primary filter has been compromised or if any bypass is detected.
Maintenance Tips: Never attempt to clean or reuse the inner filter element; it must be replaced to ensure system-wide air purity. Ensure the intake housing is completely free of dust before removing the inner filter to prevent loose contaminants from falling directly into the intake tract. Ensure the element is seated firmly to provide an airtight seal; an improper fit defeats the purpose of the secondary filtration stage.
4. Technical Support & Logistics
Supplier: Xuzhou Sinoswift Import & Export Co., Ltd.
WhatsApp: +86 13701956981
Email: [email protected]