SERA
Hydraulic Pressure Low – Troubleshooting Guide
Low hydraulic pressure can affect one function or the entire machine. This page outlines common symptoms, possible causes and practical inspection steps.
Typical Symptoms
You may notice weak boom lift, slow arm movement, poor travel force, weak attachments, delayed response or overheating under load.
Possible Causes
Low pressure may be caused by low hydraulic oil level, restricted filters, pump wear, internal leakage, relief valve problems or contamination in the system.
Where to Start
Begin with fluid level and condition, then inspect filters, visible leaks and whether the issue affects all hydraulic functions or only one. That helps isolate whether the fault is central or circuit-specific.
FAQ
Can a clogged hydraulic filter reduce pressure?
Yes. A clogged filter can restrict flow, increase system stress and contribute to poor hydraulic performance.
Can one faulty valve cause weak machine movement?
Yes. Depending on the circuit, a faulty relief or control valve can affect one or several machine functions.
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