114
ENG
Maintenance
g0300122EN rel. 1.0 - 01.12.2021
17.2
C
leaning the burner
The burner must be checked by authorised and qualifi ed personnel once or twice a year, according to use.
Before performing any maintenance on the burner, check its general condition, carrying out the operations listed below:
• remove the burner head (Fig. 17.c) as described previously;
• using a brush, clean the inside of the burner head; make sure not to crush the metal mesh (Fig. 17.e);
• detach all gas and electrical connections from the burner assembly;
• check for dust deposits on the fan and if necessary remove the parts required to clean it (Fig. 17.f ).
• clean the fan using a brush (Fig. 17.g).
IMPORTANT:
to avoid damaging the fan, never use a jet of compressed air when cleaning it.
When reassembling the parts, check:
• the condition of the gaskets (replace if necessary);
• that the position of the electrodes corresponds to the fi gure.
Fig. 17.e
Fig. 17.f
3
-
4
mm
1
Fig. 17.g
Fig. 17.h