12. Maintenance and Care 197
Do not pour any corrosive substances down the drains.
Donotpourboilingwaterdownthedrains.Corrosive
substances and boiling water damage drain pipes and
syphons.
The following applies for the sink and the cooker
• Cleanstainlesssteelpartswithnormalhouseholdcleaners
or special stainless steel cleansing agents.
•The rubber seals of the toilet should be cleaned regularly
with plain water and a lubricant for seals (not Vaseline or
any other vegetable fats) should be applied. Applying this
regularly to the washer of the valve and other seals in the
toiletwillensurethattheystayexibleandfunctionlonger.
The following applies for built-in equipment
• Theglycolmixtureinthehot-waterheating* system
should be replaced every two years, because certain pro-
perties such as protection against corrosion deteriorate.
• Thespacebehindtherefrigeratorshouldbehooveredand
cleaned regularly. The ventilation grille should also be kept
clean. The door seal should be rubbed once a year with
talcum power to keep it supple and the expandable fold
should be checked for tears.
• Thelterinthefumehood
*
must be cleaned occasionally,
because cooking fat collects there. We recommend that you
use warm water with a bit of dishwashing liquid to clean it.
Remove all spray cans with cleaners and polishes from
thevehicleafternishingtheupkeep!Otherwise,thereisa
dangerofexplosionattemperaturesover50°C!
Accessories
• If necessary, lubricate leveling supports*.