| 1. Turn away two fixing screws and remove the lantern case. |
| 2. Take out a cartridge with a lamp from the lantern case, having turned it counter-clockwise. |
| 3. Take out a lamp from a cartridge. |
| 4. Insert into a cartridge a new lamp. |
| 5. Establish a cartridge with a lamp in the case of a lantern and turn a cartridge clockwise. |
| 6. Wrap two fixing screws. |
