5 | Servicing the system
60
B1510622_en | Operating instructions Firewood boiler S4 Turbo
Cleaning the flue gas temperature sensor
S4 Turbo 22-40:
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Remove the insulating cover and thermal insulation
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Release the retaining screw and remove the flue gas temperature sensor from the flue
gas pipe
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Wipe the flue gas temperature sensor with a clean cloth
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Push in the flue gas temperature sensor until about 20 mm of the sensor remains
protruding from the bushing and secure with fixing screw
S4 Turbo 50-60:
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Remove the cover behind the flue gas pipe nozzles and induced draught cover plates
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Undo the screws on the top and pull the housing backwards to remove