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High Pressure Hydraulic Filter 803409669 PLF-C80×10P FOR XCMG Wheel Loader
FUNCTION
1. High-Pressure Line Filtration: Installed within the high-pressure oil circuit (pressure line) of a hydraulic system, it serves to filter out mechanical impurities, metal particles, colloidal substances, contaminants, and moisture present in the hydraulic fluid.
2. Protection of Precision Hydraulic Components: It effectively removes fine contaminants from the hydraulic fluid (typically with a filtration precision of 10μm), thereby preventing these impurities from entering and damaging high-precision components such as hydraulic pumps, hydraulic valves (including directional control valves and control valves), hydraulic cylinders, and hydraulic motors.
3. Maintenance of System Cleanliness: It maintains a high level of cleanliness in the hydraulic fluid, thereby reducing system wear, sticking, external leakage, internal leakage, and the frequency of malfunctions, ultimately ensuring the stable and efficient operation of the entire hydraulic system.
Working Principle
1. Hydraulic oil flows out from the hydraulic pump outlet and enters the high-pressure filter.
2. The filter element utilizes high-precision filtration media; contaminants are trapped on either the outer surface or within the interior of the element.
3. The filtered, clean hydraulic oil continues flowing toward the actuators (boom, bucket, travel system, etc.).
4. When the filter element becomes clogged, the bypass valve or differential pressure indicator on the filter signals that a replacement is required, thereby preventing excessive system pressure.
Advantages
| No. | Performance Advantage Category | Specific Advantage Description |
|---|---|---|
| 1 | Filtration Accuracy & Efficiency | Filtration accuracy of 10μm (10P), using chemical fiber or glass fiber filter media with filtration efficiency ≥99.5%. Effectively removes fine metal particles, colloids, and contaminants, keeping hydraulic oil highly clean. |
| 2 | High Pressure Resistance | Specifically designed for high-pressure lines, capable of withstanding high working pressure. Suitable for the high-pressure section of engineering machinery hydraulic systems (from pump outlet to multi-way valve). Robust structure, resistant to deformation or rupture. |
| 3 | High Dirt-Holding Capacity | Large dirt-holding capacity and sufficient filtration area, maintaining low pressure differential for a longer time, extending filter element service life and reducing replacement frequency. |
| 4 | Low Pressure Drop & High Flow Rate | Minimal initial pressure loss and large oil flow capacity. Does not affect system flow or response speed, ensuring sensitive and efficient machine operation. |
Interfacing Relationships
Positioned downstream of the hydraulic pump's outlet, this component functions as a pressure line filter.
On equipment models such as XCMG skid steer loaders, it is typically installed within the high-pressure lines of either the travel hydraulic system or the work hydraulic system, situated in close proximity to the hydraulic pump or the hydraulic valve block.
The filter housing is connected via hydraulic lines, and the filter element is housed within the casing.
DETAILS
| DESCRIPTION | Clutch Booster Cylinder | PART NUMBER | DZ93189230183 |
| WEIGHT |
2KG |
VOLUME |
300 × 130 × 130 mm |
| TRUCK MOLDE | SINOTRUK | QUALITY | Copy,High Copy, OEM,Original |
| MOQ | 1 | WARRANTY | 1 year |
| PAYMENT | TT/WESTEN UNION | SHIPMENT | by air/sea/railway |
| BRAND | SINOSACHS | PLACE OF ORIGIN | JINAN CITY,CHINA |
| STOCK | IN STOCK | APPLICABLE SITE | CLUTCH |
| PACKAGE | Carton/Woodenbox | PORT OF LANDING | Qingdao Port,China |
Daily Maintenance Suggestions
| Item | Maintenance Interval | Specific Operations |
|---|---|---|
| Check Differential Pressure Indicator / Clogging Indicator | Every day before operation or every 50 hours | Check the differential pressure indicator on the filter (if equipped). If the pointer enters the red zone or alarms, prepare to replace the filter element immediately. |
| Check Hydraulic Oil Level and Appearance | Every 50–100 hours | Check if the hydraulic oil tank level is normal. Observe whether the hydraulic oil has changed color, emulsified, or has abnormal odor. |
| Check Filter and Pipeline for Leaks | Every 100–250 hours | Inspect the filter housing, pipe joints for oil seepage or leakage. Tighten threaded connections if necessary. |
| Check Hydraulic System Temperature and Pressure | Every 250 hours | Monitor hydraulic oil temperature during operation (normal ≤80°C) and check if pressure is abnormal. |
| Check Hydraulic Oil Cleanliness | Every 500 hours | Take a sample to check the contamination level of the hydraulic oil. Replace the filter element in advance if necessary. |
| Overall Hydraulic System Inspection | Every 500–1,000 hours | During machine maintenance, check if the high-pressure filter mounting bracket is loose and if pipelines show signs of aging. |
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