Riello RL 190/M Instrucciones De Instalación, Funcionamiento Y Mantenimiento página 29

Photoresistor (Fig. 32)
Clean the glass cover from any dust that may have accumulated.
Photocell 1) can be removed by pulling it outward forcefully.
D1254
Flame inspection window (Fig. 33)
Clean the glass.
Flexible hoses
Check to make sure that the flexible hoses are still in good con-
dition.
Fuel tank
Approximately every 5 years, or whenever necessary, suck any
water or other impurities present on the bottom of the tank using
a separate pump.
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 chamber pressure.
Maintenance
Fig. 32
D709
Fig. 33
27 GB
To open the burner (Fig. 34)
Switch off the electrical power
Loosen screws 1) and withdraw the cover 2)
Unscrew screws 3)
Fit the two extensions 4) supplied with the burner onto the slide
bars 5)
Pull part A backward keeping it slightly raised to avoid damaging
the disk 6) on blast tube 7).
D1980
Fig. 34
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