M039150CF
38
Gas filter maintenance
To clean or remove the filter, proceed as follows:
1
remove the cap unscrewing the fixing screws (A);
2
remove the filtering cartridge (B), clean it using water and soap, blow it with compressed air(or replace it, if necessary)
3
replace the cartridge in its proper position taking care to place it inbetween the guides as not to hamper the cap replacement;
4
be sure to replace the “O” ring into its place (C) and replace the cover fastening by the proper screws (A).
Removing the combustion head
1
Remove the top
H
.
2
Disconnect the electrode cables
CE
.
3
Remove the
UV
detector out of its housing: disconnect electrode cables and the light oil flexible hoses.
4
Unscrew screws
S that fasten VR group:
unscrew
VR
until the threaded rod is free.
5
Loosen the screws
V
holding the gas manifold
G
, loosen the two connectors
E
and remove the assembly as shown.
Note:
to replace the combustion head, reverse the operations described above.
6
Clean the combustion head by means of a vacuum cleaner; scrape off the scale by means of a metallic brush.
ATTENTION:
Before opening the filter, close the manual cutoff valve downstream the filter and bleed the gas; check that
inside the filter there is no pressurised gas.
A
B
C
H
E
V
E
CE
UV
G
H
G
