Safety Instructions; Safety Devices; Power Switch; Overflow Valve - Kärcher HD 7.9/72 Ec Manual Del Usuario

Keep from freezing
A protéger contre le gel
WARNING
Observe regulations of water supplier.
According to applicable regula-
tions, the appliance must never be
used on the drinking water net
without a system separator. A suit-
able system separator by KÄRCHER or al-
ternatively a system separator according to
EN 12729 type BA must be used.
Water that was flowing through a system
separator is considered non-drinkable.
CAUTION
Always connect the system separator to the
water supply, never directly to the appliance!

Safety instructions

Hazard levels
DANGER
Pointer to immediate danger, which leads
to severe injuries or death.
WARNING
Pointer to a possibly dangerous situation,
which can lead to severe injuries or death.
CAUTION
Pointer to a possibly dangerous situation,
which can lead to minor injuries.
ATTENTION
Pointer to a possibly dangerous situation,
which can lead to property damage.
6
Risk of burns on account
of hot surfaces!
Beware of dangerous
electrical current!
Protect the appliance and
its accessories against
frost.
High pressure hose
DANGER
Risk of injury!
– Only use original high-pressure hoses.
– The high-pressure hose and the injec-
tion system must be suitable for the
maximum operating pressure given in
the Technical Data.
– Avoid contact with chemicals.
– Check the high pressure hose daily.
Do not use hoses with kinks.
Stop using the high pressure hose if the
external wire layer is visible.
– Do not use the high-pressure hose any-
more if the winding is damaged.
– Lay the high-pressure hoses in such a
way that no vehicle can drive over it.
– Do not use high-pressure hoses that
have been driven over, kinked, pressed
or bent even if there is no externally vis-
ible damage.
– Store the high-pressure hoses in such a
way that they are not subject to any me-
chanical load.
– Maximum tightening torque of the
screwed connections of the high-pres-
sure hose; 20 Nm.

Safety Devices

Safety devices serve to protect the user
and must not be rendered in operational or
their functions bypassed.
The switch prevents unintented starting of
the appliance. Stop the appliance during
breaks or after operation.
The safety catch on the handgun prevents
the handgun from being released uninten-
tionally.
– only for Classic variant
– If the hand spray gun is closed, the
overflow valve opens and the entire wa-
– 4
EN

Power switch

Safety catch

Overflow valve