| 摘要 |
For monitoring a plurality of variables (brake lining wear, brake fluid level, state of the handbrake) by means of one single monitoring device, various measuring lines (15, 22, 28), fed with pressure medium, lead to a common pressure chamber (4) of a pressure switch (5), which in the event of significant pressure variations in at least one of the measuring lines (15, 22, 28) closes a contact arrangement (11, 12) in a signal circuit (13) by means of a diaphragm (9). <IMAGE>
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