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5.6
Mounting the burner on the boiler
Provide an adequate lifting system (Fig. 11).
Lift the burner by means of the hooks to fix it to the
boiler without separating it from the combustion
head.
Be careful as some drops of fuel may leak out
during this phase.
To detach the burner from the combustion head, proceed as
follows:
remove the cover from bracket 1)(Fig. 11), pin 2), stops 4)
and screws 3);
detach hoses 6);
release the tie-rod on the gas butterfly, removing screw 11);
remove screw and plate 12), pins 13) and 14) and slide out
lever 15);
slide the burner out of the combustion head by about 100-
120 mm, and release the drive fork 7) by removing
screws 10);
remove the two electrical wires from the terminal strip 18);
it's now possible to slide the burner fully out on pins 5);
5.7
Positioning the electrode
Position
the
dimensions shown in Fig. 12.
ATTENTION
Installation
S7963
electrode
according
to
secure the tube to the boiler, inserting the insulating
screen 9);
Slide the burner in on pins 5), leaving it open by about 100-
120 mm;
refit the two electrical wires into the terminal strip 18);
refit fork 7), securing it with screws 10);
completely close the burner, securing it with screws 3), fit
stops 4), pin with cotter 2), gas butterfly tie-rod 11) and
hoses 6);
slide in lever 15), securing it to tie-rod 16), replace pins 13)
and 14) and re-close the hole with plate and screw 12);
when the burner is open, it is possible to detach gas sleeve
8) from the tube.
Before fitting the burner on the boiler it is advised
to fit the nozzle as specified later.
ATTENTION
The seal between burner and boiler must be
airtight.
ATTENTION
100 ÷ 120 mm
5 ± 0,2 mm
the
17
GB
Fig. 11
S7974
5 ± 0,2 mm
Fig. 12
20176605
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