Excavator Diesel Fine Fuel Filter (20T - 31T Series)
Precision Filtration for High-Pressure Injection Systems
The diesel fine fuel filter is a precision filtration component designed to protect the high-pressure fuel injection system of your XCMG excavators. Installed as the secondary stage of fuel filtration, this element captures microscopic particles that bypass the primary fuel-water separator. By ensuring the fuel entering the high-pressure common rail is ultra-clean, this filter prevents scoring of injector needles and erosion of pump plungers, which are critical to maintaining engine power, fuel economy, and clean exhaust emissions.
1. Technical Specifications
| Parameter | Detail |
|---|---|
| Component Type | Secondary (Fine) Diesel Fuel Filter Element |
| Primary Function | Filters out fine particulate matter (sub-micron level) to protect sensitive high-pressure fuel injection components |
| Compatibility (20T - 31T) | XE200D, XE200DA, XE205D, XE205DA, XE210WD, XE215D, XE215DA, XE240D, XE245DK, XE265D, XE270D, XE270DK, XE305D, XE310DA |
2. Operational Importance
Modern diesel engines utilize high-pressure common rail (HPCR) technology, which operates under extreme pressures. Because the internal tolerances of fuel injectors are measured in microns, even minute amounts of debris can lead to injector failure, engine misfire, or limp mode activation. This fine filter is the primary safeguard against these costly failures, ensuring consistent fuel pressure and optimal combustion efficiency.
3. Maintenance Protocols
Replacement Cycle: Replace every 500 operating hours or according to your maintenance manual. It is highly recommended to change both the primary fuel-water separator and the fine filter simultaneously to ensure complete system protection.
Installation Advice: Clean the housing exterior thoroughly before removing the old filter to prevent dirt from falling into the fuel line. Do not pre-fill the fine filter with unfiltered fuel before installation; always use the hand primer pump (if equipped) to fill the filter with clean, filtered fuel. Air pockets in the fuel system can cause hard starting or engine stalling; ensure all lines are properly bled after installation.
4. Technical Support & Logistics
Supplier: Xuzhou Sinoswift Import & Export Co., Ltd.
WhatsApp: +86 13701956981
Email: [email protected]