In the operation of industrial equipment, the lube oil pump is the core component to ensure the stability of the system, and its performance directly affects the efficiency and life of the equipment. When the oil output of the bidirectional lube oil pump SNBY 2.5/0.5 is halved, it may not only cause insufficient lubrication and cause equipment wear, but also trigger the shutdown protection mechanism due to insufficient oil supply, affecting production continuity. In response to this problem, a systematic analysis is required from the equipment principle, fault diagnosis to specific dredging measures to ensure that the lube oil pump can quickly restore its function and extend its service life.
1. Common reasons for the halving of the oil output of the lube oil pump
During the operation of the lube oil pump, the halving of the oil output is usually related to multiple links. First, the flow channel or filter inside the pump body may be blocked by impurities, resulting in obstruction of the flow of lubricating oil. Secondly, aging or wear of the pump seal may cause internal leakage, reducing the actual output flow. In addition, abnormal speed of the drive device (such as a motor or reducer) may also cause a decrease in the pump’s oil supply capacity. For the SNBY 2.5/0.5 bidirectional lube oil pump, although its dual-channel design improves the reliability of oil supply, if one channel cannot work normally due to blockage or seal failure, the overall oil output may still be significantly reduced.
In actual operation, the oil supply capacity of the lube oil pump is closely related to the system pressure. If the system pressure rises or falls abnormally, it may affect the pump output through the feedback mechanism. For example, when the pressure regulating valve is stuck or the relief valve setting value is offset, the lube oil pump may be forced to enter the protection state and actively reduce the oil supply to prevent overload. In addition, temperature fluctuations of the lubricating oil or oil deterioration may also cause the delivery efficiency of the oil pump SNBY 2.5/0.5 to decrease, which is manifested as a halving of the oil output.
2. Quick diagnosis and unblocking measures
For the problem of halving the oil output, it is necessary to clarify the root cause through step-by-step investigation. First, the inlet and outlet pressure gauges of the lube oil pump SNBY 2.5/0.5 should be checked to observe whether there is a pressure imbalance. If the pressure gauge reading is abnormal, it can be preliminarily judged that the pump body is blocked or the seal fails. At this time, it is necessary to disassemble the pump housing and check whether the filter is covered by metal debris, sludge or other impurities. For the SNBY 2.5/0.5 oil pump, the filter design is usually a double-layer structure, and the damaged filter element needs to be cleaned layer by layer and replaced to ensure the purity of the lubricating oil.
If the filter is not obviously blocked, it is necessary to further check the status of the pump seal. The shaft seal or end face seal of the lube oil pump SNBY 2.5/0.5 may leak due to wear or aging during long-term operation, thereby reducing the effective oil supply. At this time, special tools can be used to disassemble the pump seal assembly to check the flatness and elasticity of the sealing surface. If the seal is found to be deformed or hardened, it is necessary to replace the original seal to avoid secondary leakage due to material differences.
After eliminating the internal faults of the pump body, it is also necessary to pay attention to the integrity of the external pipeline system. For example, whether the thread sealant at the pipe joint is ineffective, and whether there are cracks or corrosion at the elbow. For a bidirectional lube oil pump, if the dual-channel distributor valve is stuck or poorly sealed, the lubricating oil may flow to a single channel, causing the oil supply to be halved. At this time, the distributor valve position can be manually adjusted to observe whether the oil output is restored to balance. If the adjustment is ineffective, the distributor needs to be disassembled for deep cleaning or replacement of the faulty parts.
3. Preventive maintenance and optimization plan
In order to avoid the frequent problem of halving the oil output of the lube oil pump SNBY 2.5/0.5, a systematic preventive maintenance mechanism needs to be established. First, the filter of the lube oil pump should be cleaned or replaced regularly, especially in high dust or high impurity environments, and it is recommended to shorten the replacement cycle. In addition, regular inspection and replacement of lubricating oil is also crucial. By analyzing the viscosity, acid value and water content of the oil, signs of oil quality deterioration can be detected in time and remedial measures can be taken.
In equipment operation management, the stability of the drive device of the lube oil pump cannot be ignored. If the speed is abnormal due to bearing wear or poor gear meshing, it may indirectly affect the oil supply capacity of the pump. Therefore, it is necessary to regularly check the lubrication status and operating noise of the reducer, and perform bearing grease or gear repair when necessary. For the SNBY 2.5/0.5 bidirectional lubrication pump, its dual-channel design needs to ensure the synchronization of the two oil supply systems, which can be balanced by calibrating the pressure regulating valve or replacing the worn parts.
As the core of the reducer lubrication system, the performance of the SNBY 2.5/0.5 lube oil pump is directly related to the operating safety and production efficiency of the equipment. When the oil output is halved, it is necessary to quickly locate the root cause through a systematic diagnostic process and take targeted unblocking measures. By optimizing the maintenance strategy, the failure rate can be effectively reduced and the service life of the lube oil pump can be extended.
When looking for high-quality, reliable lube oil pumps, YOYIK is undoubtedly a choice worth considering. The company specializes in providing a variety of power equipment including steam turbine accessories, and has won wide acclaim for its high-quality products and services. For more information or inquiries, please contact the customer service below:
E-mail: sales@yoyik.com
Tel: +86-838-2226655
Whatsapp: +86-13618105229
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Post time: Jun-16-2025