1. Unscrew a connecting cable and the current carrying tire.
2. Turn out a glow plug.
After easing carefully take out a glow plug a hand as a ceramic part very fragile. You watch that the candle did not fall. If the candle dropped out, it cannot be used more.
3. Check a glow plug for externally visible damages.
1. Carefully screw a candle a hand and tighten with effort 15–20 N. of m.
The moment of an inhaling should not is exceeded, otherwise the candle core will be damaged, and it will prematurely fail. You watch that on a candle oil or fuel did not get. At the burned tip observe recommendations.
2. Slightly screw the current carrying tire and an electric wire, previously establish spring and pro-masonry washers on a candle.