Start Up; Operation - Kärcher HD 10/21-4 S Original Instructions Manual

WARNING
Risk of injury! Appliance, accessories, sup-
ply lines and connections must be in fault-
free condition. If they are not in a perfect
state then the appliance must not be used.
Electrical connection
DANGER
Danger of injury by electric shock.
– It is imperative to connect the appliance
to the electric mains by means of a plug.
It is forbidden to permanently connect
the appliance to the power supply. The
plug serves for the disconnection from
the mains.
– The appliance may only be connected
to alternating current.
– Minimum fuse strength of the socket
(see Technical Data).
– The highest allowed net impedance at
the electrical connection point (refer to
technical data) is not to be exceeded. In
case of confusion regarding the power
impedance present on your connection,
please contact your utilities provider.
– Use the extension cord that has an ad-
equate cross-section (see "Technical
Data") and unwind it fully from the cable
drum.
For connection values, see type plate/tech-
nical data.
 Unwind the mains cable and place it on
the floor.
 Insert the mains plug into a socket.
Water connection
Connection to the water supply
WARNING
Observe regulations of water supplier.
For connection values refer to technical
specifications
 Connect the supply hose (minimum
length 7.5 m, minimum diameter 3/4") to
the water connection point of the ma-
chine and at the water supply point (for
e.g. a tap).
18

Start up

Note:
The supply hose is not included.
 Open the water supply.
Drawing in water from open reservoirs
 Screw the suction hose with filter (order
no. 4.440-238.0) to the water connection.
 Deaerate the appliance:
Unscrew the nozzle.
Switch on the appliance and let it run
until the water exiting is bubble-free.
At the end let the appliance run for ap-
prox. 10 seconds - then switch off. Re-
peat the procedure for a couple of
times.
 Switch off the appliance and fit the noz-
zle again.
DANGER
Risk of explosion!
Do not spray flammable liquids.
If the appliance is used in hazardous areas
(e.g. filling stations) the corresponding
safety regulations must be observed.
Risk of injury! Hold the hand spray gun and
the spray pipe firmly with both hands.
Risk of injury! The trigger and safety lever
may not be locked during the operation.
Risk of injury! Contact Customer Service if
the safety lever is damaged.
Risk of injury from high-pressure water jet.
Slide the safety catch on the trigger gun for-
ward before performing any work with the
appliance.
CAUTION
Clean engines only at places with corre-
sponding oil separators (environmental
safety).
ATTENTION
Risk of blocking. Place the nozzles in the
accessory compartment with their joint
pointing upward.
Opening/closing the trigger gun
 To open the trigger gun: Actuate the
safety lever and trigger.
 To close the hand spray gun: Release
the safety lever and trigger.
– 4
EN

Operation