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USE AND MAINTENANCE
4. 1
DISASSEMBLY
OF OUTER CASING (fig. 16)
The shell can be completely disassem-
bled for an easy maintenance of the
boiler as shown in fig. 16.
4.2
DISASSEMBLY
OF EXPANSION VESSEL
The heating expansion tank is disas-
sembled in the following manner:
– Make sure that the boiler has been
emptied of water.
Codice/Code 8103051
Modello/Model SOLO 25 BF TSE
SOLO 25 TSE (España)
Matricola/Serial n. 9999999999
PAR 2 = 5
Codice/Code 8103252
Modello/Model DUETTO 25 BF TSE
DUETTO 25 TSE (España)
Matricola/Serial n. 9999999999
PAR 2 = 1
– Unscrew the union which connects
the expansion tank.
– Remove the expansion tank.
Before filling up the system make sure
that the expansion tank is reloaded at
the pressure of 0.8 ÷ 1 bar.
4.3
BURNER MAINTENANCE
(fig. 17 - fig. 17/a - fig. 17/b)
– To dismantle the burner from the
boiler door, remove the nut (fig. 17).
– To access the internal part of the
burner, remove the air lock unit
held in place by two screws to the
sides and remove the right hand
shell, which is held in place by four
screws, taking care not to damage
the O-ring seal. OR.
– To dismantle the nozzle holder and
heater unit, proceed as follows:
– open the cover, which is held in
place by a screw, and remove the
heater cables (1 fig. 17/a) pro-
tected by a heat resistant sheath;
remove the fairlead and pass the
cables through the hole.
– remove the two cables from the
Fig. 16
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