Cleaning And Maintenance - Sime SOLO 20 Instrucciones Para El Instalador

place with a faston.
– loosen the union (2 fig. 13/a) and
remove the four screws which fas-
ten the collar (3 fig. 13/a) to the
burner.
– To dismantle the eater or thermo-
stat, refer to figure 13/b.
1 2
1
2
72
4.7 CLEANING
AND MAINTENANCE
Preventive maintenance and checking
of the efficient operation of the equip-
ment and safety devices must be car-
ried out at the end of each heating
3
KEY
1 Control bow cables
2 Connection
3 Collar
KEY
1 Heater stat
2 Cap
3 Heater
3
A
2 - 2,5 mm
season exclusively by the authorised
technical staff.
4.7. 1 Cleaning smoke ducts
Use an adequate swab for cleaning
the smoke ducts of the boiler. After
cleaning, position the circulators in
their original position (fig. 14).
Fig. 13/a
4.7.2 Cleaning combustion head
The combustion head is cleaned in the
following manner (fig. 15) :
– Disconnect the high tension cables
from the electrodes.
– Unscrew the fixture screws of the
circulator support and remove it.
– Brush the propeller delicately (tur-
bulence disc).
– Carefully clean the photo-resistance
of eventual deposits of dirt deposit-
ed on its surface.
– Clean the remaining components of
Fig. 13/b
the combustion head of eventual
deposits.
– Upon completion re-assemble the
unit in t he opposit e way as
described above taking care to
respect the indicated measure-
ments.
4.7.3 Substitution of nozzle
The nozzle should be substituted at
the beginning of every heating system
for guaranteeing the correct fuel flow
and a good spray efficiency.
The nozzle is substituted in the follow-
ing manner:
– Disconnect the high tension cables
Fig. 15
from the electrodes.
Fig. 14