11-5-3-3-ehkonomajjzer-prinuditelnogo-kholostogo-khoda-ehpkhkh.html

11.5.3.3. Economizer of Compulsory Idling (ECI)

EPHH control system on the engine of fashion. 2106 contains the EPHH control unit, the microswitch, the electromagnetic valve and connecting wires.

Profitability of operation of the engine, and also level of toxicity of its fulfilled gases depend on operability of a control system of EPHH. When checking system to pay attention to a condition of contact connections, in particular, of connectors (sockets) of the control unit, microswitch and electromagnetic valve. Violation of contact connections of system can cause interruptions in operation of the engine.

The principle of work of EPHH is that on the modes of compulsory idling supply of fuel in the engine is turned off (when the pedal of management of a butterfly valve is released, and the frequency of rotation of a bent shaft is increased in comparison with value on the idling mode).

Shutdown of supply of fuel makes EPHH pneumatic valve which is a part of the carburetor. Control of a pneumatic valve is exercised by the electromagnetic valve which the control unit and the microswitch influence.