2. Check the spark plugs for mechanical damage - replace if necessary.
3. Checking the performance of a glow plug can be done by applying a voltage of 12 V to it - a serviceable candle should heat up in a timely manner (be careful not to burn yourself):
- a) The power supply must be equipped with a fuse for short circuit protection;
- b) Clamp the candle in a vise with soft sponges - do not forget that its working element is red-hot;
- c) After checking, let the candle cool for a few minutes so as not to burn yourself.
4. The working element of a serviceable candle should be red-hot no later than after 5 seconds. If it takes noticeably longer to warm up the candle, or if the tip only glows in the middle, the candle must be replaced.
5. For a more thorough check of candles, special equipment is used, which is available at almost any service station.
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