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Tachometer
The tachometer shows number of revolutions per minute of the crankshaft of the engine. For this purpose he receives the ignition impulses transferred from the control unit of system of ignition/injection of fuel. They are summarized by electronics of the device and in the processed look are transferred to the measuring device of the analog indicator.
At malfunctions it is necessary to check the corresponding safety locks (the head the Electrotechnical equipment) and wires. Defect can be also in an electrotechnical payment of the combined device.
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