Sime AQUA 25 BF TS Manual De Instrucciones página 71

4.4 DISASSEMBLY
OF OUTER CASING
The shell can be completely disassem-
bled for an easy maintenance of the
boiler by following the numeric steps
shown in fig. 13.
5
6
4.5 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.
7
– 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.
3
8
4
1
2
Fig. 13
71