46
COMMISSIONING AND MAINTENANCE
CLEANING THE FAN
9
Clean the inside and the rotor blades of the fan unit to re-
move any build-up of dust. Accumulated dust reduces the
air flow and therefore reduces combustion efficiency, lead-
ing to increased emissions.
9
Take care not to damage or block the fan while performing
cleaning or maintenance.
Proceed as follows
− Unscrew the screws (1) and remove the air damper (2);
− Unscrew the screws (3) and remove the suction cover (4);
− Clean the fan and the inside of the suction cover using a
suitable brush and compressed air.
4
2
1
3
− Reverse the above steps to reassemble. Take care to re-
place all burner parts in their original positions.
3.7.2
Cleaning the heat exchanger
Proceed as follows to access the internal parts of the boiler:
− Remove the front panel (1);
GITRÈ
GITRÈ B/100
1
− Remove the burner;
− Remove the 2 bottom cover fixing nuts (2);
− Remove the 2 top cover fixing nuts (2);
2
− Release the cover (3) of the heat exchanger, pulling it to-
wards you;
− Remove the cover (3) and remove the turbulators (if fit-
ted) from the flue gas pipes;
− Use a flue brush (4) or other suitable tool to clean inside
the combustion chamber and the flue gas pipes;
4
3
− Remove any dislodged soot.
On completion of cleaning, replace the turbulators inside the
flue gas pipes, and reverse the steps given above to replace all
other components.
Fit a new fibreglass seal when fitting the cover on the flue gas
box.
