8. GENERAL MAINTENANCE INSTRUCTIONS
In conformity with DIN 4575 and 4756 regulations the periodic cleaning (even daily if it’s
necessary) of the boiler, must be performed by a qualified personnel to ensure an economic and
ecologic running.
The boiler needs a maintenance operation to be done at the end of the winter season. Special
care should be given to cleaning of the smoke tubes, to avoid the laying of carbon which can
damage them.
If a correct maintenance is not performed, then problems will arise such as:
Performance dropping
Increased fuel consumption
Increasing temperature of exhausts
Carbon layers
Reduced draught
Maintenance instructions
Disassemble the burner (if necessary).
Open the doors.
Disassemble the turbulators from the fire tubes and clean them with a special brush.
Clean the walls of the combustion chamber with a special crowbar.
Empty the ash tray.
Check the insulation bands and the glass fiber braids and replace them in case of
deterioration.
Check the refractory material on the door.
The safety valves and the temperature/pressure relief valve must be checked and
replaced in case of malfunction.
Check the water connections.
Check the draught regulator .
Check the filter from the water supply.
Check the eye slit thermoresistant glass.
