EUROM Fireball 20T Manuel D'utilisation page 54

Spark plug
Clean the sparkplug with a wire brush and adjust it, or replace it, after a maximum of
600 operational hours; the opening must be 3.5 mm.
Photo-electric cell
Clean the photoelectric cell as
often as required but at least
once a year.
Clean the lens with a cotton
swab, possibly dampened with
a little water or alcohol. See
the diagram for the correct
photo cell position.
Fuel filter
Your heater contains one fuel filter in the fuel tank.
You should clean or replace the filter at least twice per season and more often, if
necessary. Using dirty fuel or diesel fuel may necessitate immediate cleaning and/or
replacement. Rinse the filter with clean fuel to clean them.
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