4-3-25-zamena-i-obsluzhivanie-svechejj-zazhiganiya.html
4.3.25. Replacement and service of spark plugsThe special key on 21 for a reversing of spark plugs (with the rubber plug for candle keeping) is required to you.
On engines of cars Chevrolet Lanos apply spark plugs Champion RN9YC or NGK BPR6ES, a backlash between electrodes of candles of 0,7-0,8 mm.
1. Remove a tip of a high-voltage wire from a replaced candle.
2. Blow candle wells the compressed air to avoid dirt hit in the engine cylinder at a candle reversing.
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3. Turn out a candle …
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4. … also take it from a candle well.
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THE NOTE
Examine a candle and estimate its condition on appearance (Diagnostics of a condition of the engine on appearance of spark plugs see).
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5. Check up round щупом a backlash between candle electrodes. The backlash should make 0,7–0,8 mm.
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6. If the backlash differs from the specified value, adjust it, turning in a lateral electrode.
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THE PREVENTION
Regulate a backlash only подгибанием a lateral electrode. Any bend of the central electrode will lead to breakage of an insulator of a candle.
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7. At installation of spark plugs screw them at first a hand (without воротка), and then tighten a key the moment 25 Нм.
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