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5.7
Securing the burner to the boiler
Provide an adequate lifting system of the burner.
Separate the combustion head from the rest of the burner, as in
Fig. 17; proceed as follows:
loosen the 4 screws 3) and remove the cover 1);
remove the screws 2) from the two guides 5);
disconnect the socket from the maximum gas pressure
switch;
disconnect the pilot tube 6) and the hoses 7);
remove the two screws 4);
20168262
Installation
1
2
5
20
GB
pull back the burner on the guides 5) by about 100 mm;
disconnect the electrode leads, then unthread the burner
completely from the guides;
fix the flange 9) to the boiler plate, interposing the insulating
gasket 8) supplied;
use the 4 screws supplied, with a tightening torque of 35 - 40
Nm, after protecting their thread with anti-seize products.
The seal between burner and boiler must be air-
tight; after the start-up, check there is no leakage
of flue gases into the external environment.
WARNING
WARNING
9
3
20113660
12
13
11
10
L
8
13
3
4
Fig. 17
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