6
Maintenance
6.1
Notes on safety for the maintenance
The periodic maintenance is essential for the good operation,
safety, yield and duration of the gas train.
It allows you to reduce consumption and polluting emissions and
to keep the product in a reliable state over time.
The maintenance interventions and the calibration
must only be carried out by qualified, authorised
personnel, in accordance with the contents of this
manual and in compliance with the standards and
DANGER
regulations of current laws.
Before carrying out any maintenance, cleaning or checking oper-
ations:
6.2
Maintenance programme
6.2.1
Maintenance frequency
The gas combustion system should be checked at
least once a year by a representative of the man-
ufacturer or another specialised technician.
6.2.2
Checking and cleaning
The operator must use the required equipment
during maintenance.
6.2.3
Filter maintenance
Check the filter at least once a year!
Where the filter is being replaced regularly it is ad-
visable to replace the fixing screws.
WARNING
Replace the filtering element if the p between the pressure test
points 1) and 2)(Fig. 11) is greater than 10 mbar.
To replace it:
loosen the screws of the cover 3)(Fig. 11) and carefully
clean the filter compartment;
replace the old filtering element with the new one;
replace the cover, then tighten the screws;
perform a leak detection check on the filter cover.
20020313
Maintenance
Disconnect the electrical power using the main
switch.
DANGER
Close the fuel interception tap.
DANGER
Wait for the components in contact with heat
sources to cool down completely.
S8550
1
6.2.4
Oil seal check
Check at least once a year!
WARNING
Remove the cover 7)(Fig. 9, page 11) and check for any traces of
oil in the valve body.
If there are any small traces of oil, clean the com-
partment thoroughly; reposition the cover, fasten-
ing it with the 4 screws.
CAUTION
If traces of oil are visible, replace the entire com-
ponent.
WARNING
13
GB
3
2
Fig. 11