| 摘要 |
A method for detection of a malfunction related to a fluid affected compo nent of a piston machine (1), where the method includes: - attaching a vibra tion sensor to or near at least one valve block (14', 14", 14'''), of the pi ston machine (1); - measuring the vibrations from the valve block (14', 14", 14'''); - presenting the obtained vibration signal from the vibration senso r (16', 16", 16''') for analysis by a human or a computer; and - analyzing t he signal with respect to revealing a malfunction related to a fluid affecte d component of the piston machine (1).
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