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4-3-25-zamena-i-obsluzhivanie-svechejj-zazhiganiya.html
4.3.25. Replacement and service of spark plugsYou will need a special key "on 21" for a reversing of spark plugs (with the rubber plug for keeping of a candle).
On engines of the Chevrolet Lanos cars apply the Champion RN9YC or NGK BPR6ES spark plugs, a gap between electrodes of candles of 0,7-0,8 mm.
1. Remove a tip of a high-voltage wire from the replaced candle.
2. Blow candle wells compressed air to avoid hit of dirt 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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NOTE
Examine a candle and estimate its condition on appearance (see. "Diagnostics of a condition of the engine on appearance of spark plugs").
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5. Check the round probe a gap between candle electrodes. The gap has to make 0,7–0,8 mm.
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6. If the gap differs from the specified value, adjust it, turning in a side electrode.
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PREVENTION
Regulate a gap only a podgibaniye of a side electrode. Any bend of the central electrode will lead to breakage of the insulator of a candle.
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7. At installation of spark plugs screw them at first a hand (without neck), and then tighten a key the moment 25 N · m.
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