| 1. Open a cowl and establish it on an emphasis. |
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2. Turn a cartridge of a lamp counter-clockwise and take out it from a nest. |
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3. Press a lamp partially to drown it, turn counter-clockwise and take out from the boss. |
| 4. Insert a new lamp into a cartridge and turn it clockwise, having at the same time pressed a lamp. |
| 5. Insert into a nest a cartridge with a lamp and turn it clockwise. |
