7.7. Check of functioning of spark plugs
Connect a spark plug to a high-voltage wire. Holding a spark plug special passatizha with the isolated handles, connect the candle case to the mass of the car.
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Do not concern a car body during performance of the following operations. |
The assistant has to turn a bent shaft of the engine a starter, at the same time between electrodes of a candle steady strong sparking has to be observed.
In the absence of a spark of ignition or an ignition spark weak check a state and correct the following defects:
– in the presence of a deposit clear or replace a spark plug;
– at pollution by oil clear or replace a spark plug;
– at wear or burning out of electrodes replace a spark plug;
– at destruction of the ceramic insulator replace a spark plug;
– at damage of a ring of a spark plug replace a spark plug;
– at violation of an interelectrode gap in a spark plug, adjust a gap.