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8
Maintenance
8.1
Notes on safety for the maintenance
The periodic maintenance is essential for the good operation,
safety, yield and duration of the burner.
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
of the burner must only be carried out by qualified,
authorised personnel, in accordance with the con-
DANGER
tents of this manual and in compliance with the
standards and regulations of current laws.
8.2
Maintenance programme
8.2.1
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.
8.2.2
Checking and cleaning
The operator must use the required equipment
during maintenance.
Combustion head
Open the burner and make sure that all components of the com-
bustion head are in good condition, not deformed by the high
temperatures, free of impurities from the surroundings and cor-
rectly positioned.
Boiler
Clean the boiler as indicated in its accompanying instructions in
order to maintain all the original combustion characteristics in-
tact, especially the flue gas temperature and combustion cham-
ber pressure.
Pump
If the pressure is unstable, or the pump runs noisily, the flexible
hose must be detached from the line filter and the fuel must be
sucked from a tank located near the burner. This measure per-
mits the cause of the anomaly to be traced to either the suction
piping or the pump.
If the problem lies in the suction line, check the filter is clean and
that air is not entering the piping.
Maintenance
Before carrying out any maintenance, cleaning or checking oper-
ations:
Disconnect the electrical supply from the burner
by means of the main system switch.
DANGER
Close the fuel interception tap.
DANGER
Wait for the components in contact with heat
sources to cool down completely.
Nozzles
It is advisable to replace nozzles once a year during periodical
maintenance.
Do not clean the nozzle openings.
Filters
Check the filtering baskets on line and at nozzle present in the
system.
Clean or replace if necessary.
If rust or other impurities are observed inside the pump, use a
separate pump to lift any water and other impurities that may
have deposited on the bottom of the tank.
Hoses
Check periodically the flexible pipes conditions. They have
to be replaced at least every 2 years.
In case of use of gas oil and biofuel
blends, it is strongly recommended to inspect even more
frequently the hoses and replace them where contamination
has occurred.
Check to make sure that the hoses are still in good condi-
tion.
The hoses supplied with this burner are not
suitable for use with light oil containing a bio
blend.
In case of use with light oil containing up to 30%
WARNING
bio blend, it will be essential to use flexible oil lines
suitable for biofuel use.
Please contact the manufacturer for further
information.
Fuel tank
If water or contamination is present within the fuel tank, it is es-
sential that this is removed before the equipment is to be used.
This is extremely important when light oil containing biofuel is in
use. If in doubt about how to achieve this then please contact the
fuel or oil tank supplier.
21
GB
20139038
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