Opening The Burner; Closing The Burner - Riello DB 3 SE FGR Installation, Use And Maintenance Instructions

6.3

Opening the burner

Turn off the burner's power supply using the main
system switch.
DANGER
Access to head internal part
In order to reach inside the combustion head proceed as follows:
 disconnect the flame sensor;
 remove the cover 1)(Fig. 30) of the air conveyor;
 remove the electrical wirings 3) of the electrodes;
2
6.4

Closing the burner

Refit following the steps described but in reverse order; refit all
burner components as they were originally assembled.
20162773
Maintenance
1
20162830
27
Turn off the fuel interception tap.
DANGER
Wait for the components in contact with heat
sources to cool down completely.
 unscrew the locking screw 4) of the head 6) and screw the
control wheel 5);
 remove the head 6).
4
After carrying out maintenance, cleaning or
checking operations, reassemble the cover and
all the safety and protection devices of the burner.
GB
6
5 3
Fig. 30