5.2.4 Annual inspection
Cleaning the flue gas temperature sensor
1. Remove the insulating cover
2.
Release the retaining screw and remove the flue gas temperature sensor from the
flue gas pipe
3. Wipe the flue gas temperature sensor with a clean cloth
4. Push in the flue gas temperature sensor until about 20 mm of the sensor remains
protruding from the bushing and secure with fixing screw
Cleaning the carbonisation gas duct
❒ Open the insulated door and the fuel loading chamber door
❒
Switch off the induced draught fan
➥ This prevents damage to the fan from the cleaning brush
❒ Clean the carbonisation gas duct with a small brush
Boiler Servicing
5
Inspection and cleaning
Operating Instructions S3 Turbo | B0610717_en 37