Kärcher WD 4 Premium Operating Instructions Manual page 7

WARNING
Certain materials may produce
explosive vapours or mixtures
when agitated by the suction air!
Never vacuum up the following
materials:
Explosive or combustible
–
gases, liquids and dust parti-
cles (reactive dust particles)
Reactive metal dust particles
–
(such as aluminium, magne-
sium, zinc) in combination
with highly alkaline or acidic
detergents
Undiluted, strong acids and
–
alkalies
Organic solvents (such as
–
petrol, paint thinners, ace-
tone, heating oil).
In addition, these substances
may cause the appliance materi-
als to corrode.
Symbols in the operating
DANGER
Immediate danger that can
cause severe injury or even
death.
WARNING
Possible hazardous situation
that could lead to severe injury
or even death.
CAUTION
Possible hazardous situation
that could lead to mild injury to
persons or damage to property.
– 7
EN
instructions
7