Electrical Connection; Water Connection; Operation; Automatic Hose Reel - Kärcher HD 9/20-4 S Bedienungsanleitung

For devices without a hose reel:
4. Connect the high-pressure hose to the high-pres-
sure gun and high-pressure connection of the de-
vice and tighten hand-tight (EASY!Lock).
For devices with a hose reel:
5. Connect the high-pressure hose to the high-pres-
sure gun and hand-tighten (EASY!Lock).

Electrical connection

DANGER
Risk of injury from electric shock
Use a plug to connect the device to the mains grid. Per-
manent connection to the mains grid is prohibited. The
plug is used for mains isolation.
Only connect the device to an AC power source.
Use an extension cable with sufficient diameter (see
"Technical data").
Unwind the extension cable completely from the cable
drum.
1. Unwind the mains cable and place on the ground.
2. Plug the mains plug into the socket.

Water connection

Connection to a water line
WARNING
Return flow of dirty water into the drinking water
network
Health risk
Observe the regulations of your water supply company.
According to applicable regulations, the device must
never be used with the drinking water network without a
system separator. Use a system separator from
KÄRCHER or a system separator as per EN 12729
Type BA. Water that has flowed through a system sep-
arator is classified as undrinkable. Always connect the
system separator to the water supply and never directly
to the water connection on the device.
1. Check the supply pressure, supply temperature and
supply volume of the water supply (see chapter
Technical data).
2. Connect the system separator to the water connec-
tion of the device using a water supply hose (for the
requirements placed on the water supply hose see
chapter Technical data).
3. Open the water inlet.
Sucking water from a container
1. Screw the suction hose with filter onto the water
connection (for the order number see chapter Tech-
nical data).
2. Vent the device (see chapter Vent the device).
Vent the device
1. Unscrew the high-pressure nozzle from the spray
lance.
2. Allow the device to run until the escaping water is
free of air bubbles.
3. In the case of venting problems, allow the device to
run for 10 seconds and then switch it off. Repeat the
procedure several times.
4. Switch off the device.
5. Screw the high-pressure nozzle onto the spray
lance.
18
DANGER
Risk of injury
The high-pressure jet can cause injuries.
Never fasten the trigger and safety lever in the actuated
position.
Do not use the high-pressure gun when the safety lever
is damaged.
If the safety lever is defective, contact the Customer
Service.
Push the safety latch of the high-pressure gun forwards
every time before starting work with the device.
Never operate the device without the spray lance in-
stalled. Check the spray lance for tight fit. The spray
lance must be hand-tight.
Hold the high-pressure gun and spray lance with both
hands.
Check that the device, accessories, supply lines and
connections for damage. Only use the device when in a
correct operating condition.

Automatic hose reel

The device is equipped with an automatic hose reel.
Unwinding the hose
1. Pull out the hose.
2. The hose reel locks during the release.
DANGER
Risk of injury
If the high-pressure hose is released during rewinding,
it can make uncontrolled movements and bump and
fling objects around.
Hold the high-pressure hose firmly and guide the hose
during the rewinding process.
Do not reach into the hose reel.
1. Pull out the hose slightly and then release it.
The hose reel coils the hose automatically.
2. Regulate the reeling speed during coiling by guiding
the hose.
Opening/closing the high-pressure gun
1. Actuate the safety lever and trigger.
The high-pressure gun opens.
2. Release the safety lever and trigger.
The high-pressure gun closes.
High-pressure operation
Note
The device is equipped with a pressure switch. The mo-
tor only starts up when the high-pressure gun is open.
1. For devices with a hose reel: Completely unroll the
high-pressure hose from the hose reel.
2. Set the trigger to "I".
For HD 10/25...and 13/18...: Indicator light lights up
green.
3. Unlock the high-pressure gun by pushing the high-
pressure gun safety latch to the rear.
4. Open the high-pressure gun.
DANGER
Risk of injury
The water jet coming out of the pressure control/flow
control can cause injuries.
Make sure that the connection between the pressure
control/flow control and the steel pipe does not come
loose.
English

Operation

Coiling the hose