Maintenance - Ferroli SUN G 20 Notice D'installation Et D'entretien

MAINTENANCE

WARNING. All operations should be performed with the electrical supply disconnected.
After removing the casing, it is possible to clean the photo resistance, inspect the motor, the
electromagnetic valve, the transformer and the air intake control.To reach the fan and butter-
fly valve, the over-head plate and component mount must be removed.This will be attached
in the standard service position.This operation will also make the combustion head easy to
remove.
To clean and inspect the choke-electrode, normally, one should extract the head group by
moving the overhead plate.
PHOTORESISTOR
Remove and clean the sensor carefully. Use a clean, dry cloth. When replaced make sure it
is properly attached.
FUEL PUMP FILTER
Close the fuel aspiration gate, remove the pump cover, take out the mesh cartridge, wash it
with petrol and re-assemble carefully.
It is sufficient of take off the cover in order to reach the main components.
Maintenance of the combustion headshould be carried out as follows:
- Take out the screws and take off the cover.
- Unscrew and take out the over-head plate and place it in service position.
- In order to reach the fan, remove the screws from the lower plate to unhook the electrical
coupling.
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