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1.1.7.5. Tachometer

Fig. 1.53. Tachometer


The tachometer shows the frequency of rotation of a bent shaft of the engine in terms of 1000 min.-1 (fig. 1.53).

ATTENTION
It is forbidden to exceed admissible turns of a bent shaft of the engine: the arrow of a tachometer should not come into the RED ZONE of a scale. It can lead to an engine exit out of operation.