8.2 INSTALLATION AND REPLACING OF FIREPROOF PARTS
If you want to exchange or check the fireproof parts, do as follows:
1. Start up the fan
2. Clean the boiler of burning leftovers, ash, dust and tars
3. Take out the vitreous sealing cords as shown in the picture
4. Take out the nozzle
5. After removing the nozzle, it is possible to take out the ashtray (see picture)
6. Take out the rear fireproof part (see picture)
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