COD. 79101EN.00 11/201337Fig. 1These actions can ONLY be done when the boiler is off and cold.8.7 SMOKE CHAMBER CLEANINGUsually once a year (preferably at the beginning of the season), the extraordinary cleaning of the smoke chambermust be performed to allow a correct operation of the boiler. The frequency of this operation depends on the type offuel used and the frequency of use. To perform this cleaning it is advisable to contact a Technical AssistanceCenter.8.8 UNLOAD INSTALLATION CLEANINGIt is recommended to proceed with this maintenance in the extraordinary cleaning phase. We suggest doing thiscleaning at least monthly removing the plug connector and cleaning the ducts. It is necessary that at least the firsttime this is carried out by qualified staff.8.9 PEEPHOLE GLASS BREAKAGEThe boiler is provided with a 4 mm thick ceramic glass resistant to a thermal shock of 750 ° C. The glass can onlybreak due to a strong impact or misuse. Do not shake the door or hit the glass. If the glass breaks, avoid turning onthe boiler and replace the glass only with an original spare. For replacement, contact a Technical AssistanceCenter.8.10 ORDINARY AND EXTRAORDINARY MAINTENANCE- Precise cleaning of the combustion chamber.- Remove the refractory walls placed inside the combustion chamber.- With an ash vacuum cleaner, vacuum the remains deposited on the walls.- Reassemble all components of the combustion chamber and place them into their original position.- Precise cleaning of the heat exchanger.- Fume motor, disassembly and cleaning of the exhaust duct, new silicone where necessary.- Inspection and testing of the sealing of the gaskets, replace them and apply silicone where necessary.- Control of the electrical part and electronic components.- Cleaning and control of the pipe.- Control and possible replacement of parts subject to war: brazier, resistor, ash pan, etc.