BIEMMEDUE SD 70 Manual De Instrucciones página 14

Warning
Before any maintenance:
• stop the heater following instruction "STOPPING
THE HEATER";
• unplug the heater;
• wait until combustion chamber has been
completely cooled off.
EN
Every 50 hours of operation: wash the filter with clean oil, or, if
very dirty, replace it, remove upper body parts and clean inside
and ventilator with compressed air, check correct attachment of
H.T. connectors to the electrodes and check H.T. cables, remove
burner assembly, clean and check electrode settings, adjust
according to Fig.2.
Fig. 2
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