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Much soot accumulated inside the boiler will
reduce the life and eciency.
At least once a year, clean the boiler inside.
Cleaning the boiler
In case that the oil lter gets dirty, stop
operating, lock the oil valve, and remove dust
or rust accumulated below the oil cup.
Detach the oil cup by rotating right and left.
Pull down the lter.
Cleaning the oil filter
Wash the lter and the inside of the oil cup
with clean heating oil (light oil)
Water may get mired in during feeding oil or
get accusmulated naturally during the long
period in the oil tank. In this case, drain water
o through the drain
plug in the oil tank, and
when oil starts to get out, lock it.
Cleaning the oil tank