Smeg HB933R500 Quick Manual

Continuous, self-cleaning, enamel liners are fitted as standard on some models and on
request on others. (See figure on last page).
HOW AN OVEN GETS DIRTY
The composition of oven stains is extremely varied (fats, albumins, sugars, starches,
mixed sauces). They are caused by splashes and overspills.
Splashes occur mainly when cooking roast meats and are almost always made up of fats
that deposit all over the oven walls.
Overspills are caused by using receptacles that are too small or by not judging the
increase in volume during cooking properly; formed principally of starches and sugars,
they attack the bottom of the oven in particular.
HOW THE SELF-CLEANING OVEN WORKS
The continuous self-cleaning oven consists of liners coated in a special enamel, which
gives it its self-cleaning properties.
During the course of its production, this enamel acquires a rough structure with a vast
contact surface that helps to retain the oxygen necessary for eliminating smoke and
splashes of fat. From the moment they appear, the stains extend and spread right out
across the microporous contact surface, they are oxidized on the two side liners and
steadily disappear.
This oxidation occurs at the normal cooking temperature, between 200 and 300°C,
breaking the stains up into a gas that is expelled towards the outside of the oven and into
a fine powder which should be dusted away regularly with a damp cloth so that the
enamel remains fully efficient. This self-cleaning enamel works best against fats and so it
is most efficient against splashes. Getting rid of overspill stains made up of starches and
sugars takes longer.
PRECAUTIONS TO TAKE
The self-cleaning enamel will always remain clean unless you allow stains to build up
before getting rid of them.
If you allow stains to build up, the cleaning process will be insufficient and in the long-
term, heavy incrustation with large drip stains will form, making the self-cleaning
ineffective.
After cooking something that stains the oven heavily (for example a duck) the heating
must remain on, with the oven empty, at the maximum temperature so that it cleans itself.
Cooking dough and pastries does not cause splashes, so this could provide the chance
for self-cleaning.
Do not cook anything else that could stain the oven until all the splashes from the previous
cooking have been eliminated.