Hydraulic systems are crucial for many industrial operations, but they can experience failures due to various reasons. Understanding these common issues can help in preventing costly downtime and ensuring smooth operations.
What are the 7 Common Failures in Hydraulic Systems?
1. Old or Contaminated Hydraulic Fluid
Using old or contaminated hydraulic fluid can damage various components of the hydraulic system, such as valves and pumps. Regular maintenance and using high-quality hydraulic fluid can help prevent this failure.
2. Blocking the Pump Discharge Outlet
Blocking the pump discharge outlet can create back pressure on the pump, reducing its efficiency and potentially causing internal damage. It is important to ensure that the pump discharge outlet is never blocked and to use recommended oil mist filters.
3. Leaks in the System
Leaks in the hydraulic system, including equipment and related accessories such as pipes, can lead to failures. Regular inspections should be conducted to identify and fix any leaks in the system.
4. Non-Starting Pump
A pump that does not start could be due to improper connections or a motor protection switch issue. It is important to check the motor's operating voltage and replace it if necessary. Additionally, low oil temperature can also prevent the pump from starting, so heating the pump or using a different oil grade may help.
5. Failure to Reach Optimal Pressure
Several factors can contribute to a pump not reaching optimal pressure. These can include having the wrong gauge, external leaks from loose-fitting pipes, improperly closing float valves, dirty or clogged filters, contaminated oil, or the need for line changes.
6. Low Speed
Low speed in a hydraulic system can be caused by trapped dirt in the intake, a clogged exhaust filter, long or narrow connecting lines, or an anti-suck-back valve with an incorrect spring length.
7. Pressure Rises Too Fast
If the pressure rises too fast when the pump is switched off under vacuum, there may be a leak in the system or a malfunctioning anti-suck-back valve that needs to be replaced.
Continue exploring, consult our experts
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