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PART IV: MAINTENANCE
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).
WARNING: 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.
Removing the combustion head
Remove the burner cover C.
Unscrew the screws V holding in position the
manifold G and pull out the complete group as
shown in the picture.
Note: for the subsequent assembly carry out the
above described operations in the reverse order,
checking the correct position of the OR ring.
A
AR
V
G
VRT
OR
40
B
C
C
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