Servo-controlled orifices in piston pumps are critical to maintaining proper pressure control and smooth operation. Here are some simple maintenance steps to ensure these orifices are functioning effectively: 1. Regular inspection: Regularly check whether there is blockage or sundries in the steering gear control damping hole. Look for signs of contamination such as dirt, debris, or excess oil buildup around the holes. If a blockage is detected, it needs to be removed to restore normal flow. 2. Clean the orifice: Use an appropriate cleaning solution or solvent to clean the orifice. Use a soft brush or lint-free cloth to gently remove dirt or debris from the holes. Make sure no residue or cleaning agents are left as they will interfere with the damping function. 3. Compressed air: If the orifice is clogged and simple cleaning doesn't fix the problem, you can use compressed air to blow out any obstructions. Make sure the compressed air is clean and dry to avoid introducing additional contaminants into the system. Be careful not to use excessive air pressure as it may damage the displacement pump or its components. 4. Flushing the system: In some cases, if the orifice is still clogged or heavily contaminated, it may be necessary to flush the system. This includes draining hydraulic fluid from the system and replacing it with fresh, clean fluid. The flushing process helps remove any accumulated contaminants and keeps the orifice clean. JR-L-S60B-RP-28-20-NN-N-3-S1N9-A2N-NNN-JJJ-NNN JRLS60BRP2820NNN3S1N9A2NNNNJJJNNN JR-L-S60B-RP-28-20-NN-N-3-S1NZ-A2N-FFF-JJJ-NNN JRLS60BRP2820NNN3S1NZA2NFFFJJJNNN JR-L-S60B-SC-25-NN-NN-R-E-S1CE-A2N-NNN-JJJ-NNN JRLS60BSC25NNNNRES1CEA2NNNNJJJNNN JR-L-S60B-SD-31-NN-NN-R-E-S1AF-A2N-FFF-JJJ-NNN JRLS60BSD31NNNNRES1AFA2NFFFJJJNNN JR-L-S60B-SF-20-NN-NN-R-E-S1N9-A2N-NNN-JJJ-NNN JRLS60BSF20NNNNRES1N9A2NNNNJJJNNN JR-L-S65C-AL-15-15-NN-E-3-C3NE-A8N-NNN-JJJ-NNN JRLS65CAL1515NNE3C3NEA8NNNNJJJNNN JR-L-S65C-AR-15-20-NN-F-3-S1NE-A2N-NNN-JJJ-NNN JRLS65CAR1520NNF3S1NEA2NNNNJJJNNN JR-L-S65C-AR-20-20-NN-F-3-S1RF-A2N-FFF-JJJ-NNN JRLS65CAR2020NNF3S1RFA2NFFFJJJNNN JR-L-S65C-AR-21-20-NN-N-3-C3NE-A8N-NNN-JJJ-NNN JRLS65CAR2120NNN3C3NEA8NNNNJJJNNN JR-L-S65C-AR-25-14-NN-N-3-S1NE-A2N-NNN-JJJ-NNN JRLS65CAR2514NNN3S1NEA2NNNNJJJNNN JR-L-S65C-AT-18-20-NN-N-3-C2N9-A8N-NNN-JJJ-NNN JRLS65CAT1820NNN3C2N9A8NNNNJJJNNN JR-L-S65C-AY-25-10-NN-N-3-C2N9-A2N-NNN-JJJ-NNN JRLS65CAY2510NNN3C2N9A2NNNNJJJNNN JR-L-S65C-AY-25-10-NN-N-3-S1N9-A2N-NNN-JJJ-NNN JRLS65CAY2510NNN3S1N9A2NNNNJJJNNN JR-L-S65C-CR-21-20-NN-N-3-S1CE-A2N-NNN-JJJ-NNN JRLS65CCR2120NNN3S1CEA2NNNNJJJNNN JR-L-S65C-CR-25-10-NN-N-3-S1NE-A2N-NNN-JJJ-NNN JRLS65CCR2510NNN3S1NEA2NNNNJJJNNN JR-L-S65C-CR-25-18-NN-N-3-S1RF-A2N-FFF-JJJ-NNN JRLS65CCR2518NNN3S1RFA2NFFFJJJNNN JR-L-S65C-LB-21-17-NN-N-3-S1NE-A2N-NNN-JJJ-NNN JRLS65CLB2117NNN3S1NEA2NNNNJJJNNN JR-L-S65C-LB-21-30-NN-N-3-K4N9-A2N-NNN-JJJ-NNN JRLS65CLB2130NNN3K4N9A2NNNNJJJNNN JR-L-S65C-LB-21-30-NN-N-3-S1N9-A2N-NNN-JJJ-NNN JRLS65CLB2130NNN3S1N9A2NNNNJJJNNN JR-L-S65C-LB-25-14-NN-E-3-C3VE-A8N-NNN-JJJ-NNN JRLS65CLB2514NNE3C3VEA8NNNNJJJNNN 5. Filter maintenance: regular inspection and maintenance of hydraulic filters. A dirty or clogged filter can lead to fouling and clogging of the orifice. Follow the manufacturer's guidelines and clean or replace the filter as recommended. 6. Preventive measures: implement preventive measures to minimize the risk of contamination. This includes proper filtration, regular fluid analysis, and maintaining a clean environment around the displacement pump. Helps prevent orifice blockage by reducing the ingress of dust, debris and other contaminants. 7. O-ring inspection: O-rings or seals associated with servo-controlled orifices are inspected as part of routine maintenance. Check for signs of wear, cracks or deterioration. Damaged O-rings can cause leaks and compromise the effectiveness of the damping system. Replace any worn or damaged O-rings to ensure proper sealing. 8. Lubrication: When reassembling after maintenance, apply a small amount of appropriate lubricant to the O-ring or seal. This helps achieve a proper seal and prolongs the life of the O-ring. 9. Documentation and Records: Keep a log or record of maintenance activities performed on the piston pump, including inspection and cleaning of the servo-controlled orifice. This documentation can help track maintenance history, identify recurring issues, and plan regular maintenance. JR-L-S65C-LB-25-14-NN-N-3-C3RF-A8N-FFF-JJJ-NNN JRLS65CLB2514NNN3C3RFA8NFFFJJJNNN JR-L-S65C-LS-10-20-NN-N-3-K4NE-A2N-NNN-JJJ-NNN JRLS65CLS1020NNN3K4NEA2NNNNJJJNNN JR-L-S65C-LS-14-20-NN-N-3-C2N9-A8N-NNN-JJJ-NNN JRLS65CLS1420NNN3C2N9A8NNNNJJJNNN JR-L-S65C-LS-15-12-NN-N-3-K4N9-A9N-NNN-JJJ-NNN JRLS65CLS1512NNN3K4N9A9NNNNJJJNNN JR-L-S65C-LS-15-25-NN-N-3-S1N9-A9N-NNN-JJJ-NNN JRLS65CLS1525NNN3S1N9A9NNNNJJJNNN JR-L-S65C-LS-16-20-NN-N-3-C2AX-A8N-NNN-JJJ-NNN JRLS65CLS1620NNN3C2AXA8NNNNJJJNNN JR-L-S65C-LS-16-20-NN-N-3-C3VM-A8N-NNN-JJJ-NNN JRLS65CLS1620NNN3C3VMA8NNNNJJJNNN JR-L-S65C-LS-16-20-NN-N-3-S1VM-A2N-NNN-JJJ-NNN JRLS65CLS1620NNN3S1VMA2NNNNJJJNNN JR-L-S65C-LS-17-20-NN-N-3-S1BE-A2N-NNN-JJJ-NNN JRLS65CLS1720NNN3S1BEA2NNNNJJJNNN JR-L-S65C-LS-17-20-NN-N-3-S1NE-A2N-NNN-JJJ-NNN JRLS65CLS1720NNN3S1NEA2NNNNJJJNNN JR-L-S65C-LS-17-24-NN-N-3-C2NE-A8N-NNN-JJJ-NNN JRLS65CLS1724NNN3C2NEA8NNNNJJJNNN JR-L-S65C-LS-17-28-NN-N-3-S1NE-A2N-NNN-JJJ-NNN JRLS65CLS1728NNN3S1NEA2NNNNJJJNNN JR-L-S65C-LS-19-20-NN-N-3-C3BF-A8N-FFF-JJJ-NNN JRLS65CLS1920NNN3C3BFA8NFFFJJJNNN JR-L-S65C-LS-19-20-NN-N-3-C3NE-A8N-NNN-JJJ-NNN JRLS65CLS1920NNN3C3NEA8NNNNJJJNNN JR-L-S65C-LS-19-20-NN-N-3-S1BE-A2N-NNN-JJJ-NNN JRLS65CLS1920NNN3S1BEA2NNNNJJJNNN JR-L-S65C-LS-19-32-NN-N-3-S1NE-A2N-NNN-JJJ-NNN JRLS65CLS1932NNN3S1NEA2NNNNJJJNNN JR-L-S65C-LS-20-20-NN-N-3-C2AE-A8N-NNN-JJJ-NNN JRLS65CLS2020NNN3C2AEA8NNNNJJJNNN JR-L-S65C-LS-20-20-NN-N-3-C2BF-A8N-FFF-JJJ-NNN JRLS65CLS2020NNN3C2BFA8NFFFJJJNNN JR-L-S65C-LS-20-20-NN-N-3-C2N9-A8N-NNN-JJJ-NNN JRLS65CLS2020NNN3C2N9A8NNNNJJJNNN JR-L-S65C-LS-20-20-NN-N-3-C2NE-A8N-NNN-JJJ-NNN JRLS65CLS2020NNN3C2NEA8NNNNJJJNNN 10. Training and expertise: Ensure that personnel responsible for maintaining the plunger pump and its components are adequately trained and have the necessary expertise. Proper training helps to understand the specific maintenance requirements and procedures for servo-controlled orifices, reducing the risk of errors or damage during maintenance activities. 11. Manufacturer's Guide: Always refer to the Manufacturer's Guide, Maintenance Manual and Technical Documentation specific to your displacement pump model. These resources provide detailed instructions for servo-controlled orifices, maintenance intervals, and any unique considerations. Following the manufacturer's recommendations will ensure that maintenance is performed correctly and within equipment specifications. 12. System flushing: In addition to cleaning the orifice, periodically flushing the entire hydraulic system can help remove any accumulated debris or contamination. Flushing a system involves circulating a cleaning fluid or flushing agent through the system to remove contaminants. Follow the manufacturer's recommendations and guidelines for proper flushing procedures. 13. Sealing cover inspection: Some plunger pumps have a sealing cover or plug to cover the servo control damping hole. Check the tightness and integrity of these caps or stoppers. Make sure they are seated correctly and not damaged or leaking. Replace any defective or worn seal caps to maintain the integrity of the damping system. 14. Professional maintenance: While simple maintenance tasks can be performed by trained personnel, more complex maintenance or repair tasks should be handled by experienced professionals or authorized service technicians. If you experience a major problem or maintenance requirements beyond your expertise, it is recommended to seek professional help to avoid potential damage or safety hazards. JR-L-S65C-LS-20-20-NN-N-3-C2RF-A8N-FFF-JJJ-NNN JRLS65CLS2020NNN3C2RFA8NFFFJJJNNN JR-L-S65C-LS-20-20-NN-N-3-C3BE-A8N-NNN-JJJ-NNN JRLS65CLS2020NNN3C3BEA8NNNNJJJNNN JR-L-S65C-LS-20-20-NN-N-3-K4NE-A2N-NNN-JJJ-NNN JRLS65CLS2020NNN3K4NEA2NNNNJJJNNN JR-L-S65C-LS-20-20-NN-N-3-K4NZ-A2N-FFF-JJJ-NNN JRLS65CLS2020NNN3K4NZA2NFFFJJJNNN JR-L-S65C-LS-20-20-NN-N-3-S1N9-A2N-NNN-JJJ-NNN JRLS65CLS2020NNN3S1N9A2NNNNJJJNNN JR-L-S65C-LS-20-20-NN-N-3-S1NE-A2N-NNN-JJJ-NNN JRLS65CLS2020NNN3S1NEA2NNNNJJJNNN JR-L-S65C-LS-20-20-NN-N-3-S1NE-A9N-NNN-JJJ-NNN JRLS65CLS2020NNN3S1NEA9NNNNJJJNNN JR-L-S65C-LS-20-20-NN-N-3-S1NZ-A2N-FFF-JJJ-NNN JRLS65CLS2020NNN3S1NZA2NFFFJJJNNN JR-L-S65C-LS-20-20-NN-N-3-S1RE-A2N-NNN-JJJ-NNN JRLS65CLS2020NNN3S1REA2NNNNJJJNNN JR-L-S65C-LS-20-20-NN-N-3-S1RF-A9N-FFF-JJJ-NNN JRLS65CLS2020NNN3S1RFA9NFFFJJJNNN JR-L-S65C-LS-20-20-NN-N-3-S1VE-A2N-NNN-JJJ-NNN JRLS65CLS2020NNN3S1VEA2NNNNJJJNNN JR-L-S65C-LS-20-24-NN-N-3-C2NE-A8N-NNN-JJJ-NNN JRLS65CLS2024NNN3C2NEA8NNNNJJJNNN JR-L-S65C-LS-20-24-NN-N-3-S1RF-A2N-FFF-JJJ-NNN JRLS65CLS2024NNN3S1RFA2NFFFJJJNNN JR-L-S65C-LS-21-15-NN-N-3-C3BE-A8N-NNN-JJJ-NNN JRLS65CLS2115NNN3C3BEA8NNNNJJJNNN JR-L-S65C-LS-21-17-NN-N-3-S1NE-A2N-NNN-JJJ-NNN JRLS65CLS2117NNN3S1NEA2NNNNJJJNNN JR-L-S65C-LS-21-20-NN-N-3-C2N9-A8N-NNN-JJJ-NNN JRLS65CLS2120NNN3C2N9A8NNNNJJJNNN JR-L-S65C-LS-21-20-NN-N-3-C2NE-A8N-NNN-JJJ-NNN JRLS65CLS2120NNN3C2NEA8NNNNJJJNNN JR-L-S65C-LS-21-20-NN-N-3-C3NE-A8N-NNN-JJJ-NNN JRLS65CLS2120NNN3C3NEA8NNNNJJJNNN JR-L-S65C-LS-21-20-NN-N-3-C3NH-A8N-NNN-JJJ-NNN JRLS65CLS2120NNN3C3NHA8NNNNJJJNNN JR-L-S65C-LS-21-20-NN-N-3-K4BE-A2N-NNN-JJJ-NNN JRLS65CLS2120NNN3K4BEA2NNNNJJJNNN 15. Regular monitoring: monitor the performance of the plunger pump, and pay attention to whether there is abnormal vibration, noise or pressure fluctuation. These signs may indicate a problem with the servo-controlled orifice or the pump system as a whole. Promptly resolve any anomalies or problems with maintenance or repair actions. 16. Calibration and adjustment: If the servo-controlled orifice is part of the pressure control system, it may require periodic calibration and adjustment. This ensures that the pump maintains the required pressure and performance levels. Refer to the manufacturer's guide or consult a qualified technician for calibration procedures and frequency. Remember that regular and proactive maintenance is the key to ensuring optimum performance and longevity of your piston pump with a servo-controlled orifice. Following a recommended maintenance schedule, following proper cleaning procedures and seeking professional help when needed will help keep your orifice in good condition and maintain the overall efficiency of your pump system.