| Hydraulic Filter 474-00055 HF28910 14509379 KRJ15830 Parameter: | |
| Part Number | 474-00055 HF28910 14509379 KRJ15830 |
| Brand | Tamfiney |
| Weight | 2536g |
| Height | 450 mm |
| Outer Diameter | 150 mm |
| Inner Diameter/ Thread Size | 110 mm |
| Minimum Order | 100 PCS |
| Place of Region: | Zhejiang, China |
| Payment Terms: | T/T |
| Price Terms: | FOB |
| Lead Time: | 30 to 50 days based on order quantities |
| Market Type: | After Market |
| Current Export Market: | Southeast Asian,North America, South America, Western Europe, Eastern Europe, Africa, Oceania |
Applications:
SUMITOMO SC 400SH 200SH 200SH 200SH 200-2SH 200-3SH 200 LPC-3SH 220SH 220SH 220SH 220-2SH 220-3SH 225 X-3SH 240-3SH 290-3SH 300-3SH 330-3SH 350 HD-3
VOLVO EC 240 LCEC 290 LC
DOOSAN DAEWOO DH 450SOLAR 015 PLUSSOLAR 015 SUPER
Professional Doosan 474-00055 Hydraulic Filter HF28910 14509379 KRJ15830
Q: When should I change a Doosan hydraulic filter?
1. Fixed Maintenance Cycle Reference
Replace Doosan hydraulic filters every 250 working hours for regular earthwork operation scenarios. Shorten the cycle to under 180 hours in heavy dust conditions to stop particles from wearing pumps and valves. Doosan’s official rule says swap full filters every 500 hours, and change all hydraulic oil at the same time in this step.
2. Status-Triggered Replacement Alerts
The red differential pressure indicator means full filter clog, and you must replace this filter right away without extra delay. Watch for Doosan H-series fault codes on the dashboard, H023 signals low pressure, H012 points to overheated oil. Replace the filter if clog causes these confirmed issues, swap it when system moves slow, or bucket lifts with lag.
3. Mandatory Replacement Rules
Throw away filters with heavy deposits, holes or soft shapes, do this no matter how many hours the part has run. Swap the filter if suction pressure drops below -0.2Mpa, replace it when the oil pump makes sharp hissing noises. Change all filters when oil has gum or metal debris inside, do this at the same time you pour in brand new oil.
4. Key Operation Tips
Do not only follow the fixed time schedule blindly, check the filter’s dirt holding capacity on a regular basis. Stop impurities from getting into the whole hydraulic system, this avoids abnormal wear on valves and main pumps. It also prevents huge, unnecessary repair costs later, and keeps your Doosan machine running in stable good condition.
6. Exclusive precautions for Doosan equipment
The hydraulic filter compatible with the Doosan series excavator should be a qualified product that matches the original factory interface. Poor quality filter elements may fail prematurely and may also cause hydraulic pump wear, slow operation, oil temperature rise, and other faults.
Doosan equipment that operates in high-temperature environments for a long time can shorten the replacement cycle by 10% -20% appropriately, ensuring stable operating temperature of the hydraulic system and reducing the probability of overheating alarms.
Q: How many hours does a hydraulic filter last?
The service life of hydraulic filters is not uniformly fixed in hours, and there are clear reference standards for the service life of different types of hydraulic filters under normal working conditions. At the same time, significant fluctuations may occur due to factors such as working conditions and materials
Conventional hourly life of different types of hydraulic filters
- Suction Strainer filter: The service life under normal working conditions is 2000 working hours, and some high-quality fiberglass filter elements can be extended to 3000 hours under clean working conditions.
- Return hydraulic filter: The service life of the first use is 250 working hours, and after replacing the new filter element, it needs to be replaced every 500 working hours.
- High pressure/pilot hydraulic filter: The service life under normal operating conditions is 1000-2000 working hours, and special models adapted to high-pressure hydraulic systems can reach more than 2000 hours.
