Hydraulic Oil Analysis
Quick definition
Hydraulic oil analysis examines a fluid sample for information about fluid condition, contamination and possible equipment wear as part of condition monitoring.
What a sample can contribute
Fluid analysis provides evidence that can support maintenance review. Interpreting results requires knowing the fluid, machine, sampling conditions and prior results. A single result is not automatically a complete diagnosis of a hydraulic fault.
Use a repeatable sampling process
Follow the laboratory and manufacturer instructions for sampling and identifying the machine and fluid. Record relevant service, oil changes and operating conditions so trends can be interpreted. Use the report with inspections and other machine observations.
What to verify
Sampling errors or contamination can affect results. Obtain qualified interpretation and follow manufacturer guidance; this page does not prescribe action thresholds or replace a diagnostic procedure.
Key facts
- Focus
- Fluid condition monitoring
- Important distinction
- Evidence versus complete diagnosis
Related terms
Sources
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More Glossary terms
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