WILMS 1221135, Руководство по эксплуатации

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4. Cleaning
The heater should be cleaned minimum once a year including combustion chamber
and burner head. Also the fuel filter should be cleaned minimum once a year or even
be changed depending on contamination level.
Cleaning of the fuel tank
If the heater has not been used for a longer period of time and also after each heating
period clean the fuel tank by removing the drain plug on the bottom of the tank.
Collect the dirty fuel in an external container.
Rinse the fuel tank several times with clean fuel, no dirt particle should remain in the
tank. Check the gasket of the drain plug and replace it if necessary, then install the
drain plug again.
Fill the tank with the clean fuel (Heizöl) and let the heater burn for 3 minutes, and the
pump will be protected against corrosion.
Before repairing or servicing the heater pull the main plug!
Repair or service of electrical components may only be made by authorized
specialists!!!