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7.3
Opening the burner
Disconnect the electrical supply from the burner
by means of the main system switch.
DANGER
Close the fuel shut-off valve.
DANGER
Wait for the components in contact with heat
sources to cool down completely.
Proceed as follows (Fig. 37):
cut off the voltage.
remove the screw (1) and pull out the hood (2).
Disengage the articulated coupling (3) from the graduated
sector (4).
Remove screw (5) and pull the burner back by about 100
mm on the slide bars (6).
Disconnect the probe and electrode leads and then pull the
burner fully back.
Now extract the gas distributor (7) after having removed the
screw (8).
7.4
Closing the burner
Proceed as follows (Fig. 37):
push the burner up to approximately 100 mm from the pipe
coupling.
Reconnect the leads and slide in the burner until it comes to
a stop.
Replace the screw (5) and carefully pull the probe and
electrode cables outwards until they are slightly taut.
Re-couple the articulated coupling (3) to the graduated
sector (4).
In the long head models, unscrew the extensions and
reposition them in the appropriate space; tighten the screws
to the guides 2)(Fig. 10 on page 16).
Reposition the hood (2) and fix with the screw (1).
After carrying out maintenance, cleaning or
checking operations, reassemble the cover and
all the safety and protection devices of the burner.
20159324
Maintenance
Remove the screws 2)(Fig. 10 on page 16) and tighten the two
extensions 25)(Fig. 4 on page 12) supplied with the burner.
Retighten the two screws 2)(Fig. 10 on page 16) on the terminal
of the extensions.
Proceed with the assembly of the inner part of the
combustion head, tightening the screw 8)
(Fig. 37) with a tightening torque of 4 ÷ 6 Nm.
ATTENTION
34
GB
D3846
Fig. 37
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