Manual Hose Reel; Automatic Hose Reel; Operation - Kärcher HD 9/20-4 S Manual

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.

Manual hose reel

The device is equipped with a manual hose reel (HD 9/
20-4 SX Plus and HD10/21-4 SX Plus).
Unrolling the hose
1. Turn the crank of the hose reel anti-clockwise.
2. Unroll the hose completely.
Rolling up the hose
1. Empty the hose completely.
2. Turn the crank of the hose reel clockwise.
3. Roll up the hose completely.

Automatic hose reel

The device is equipped with an automatic hose reel (on
unit models HD...SXA).
Unwinding the hose
1. Pull out the hose.
2. The hose reel locks during the release.
Coiling the hose
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.

Operation

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.
5. Set the working pressure and water quantity by turn-
ing the pressure control/flow control.
Note
At the lowest flow rate, the waste heat from the motor
heats the water to approx. 15 °C.
Operation with detergent
WARNING
Incorrect handling of detergents
Health risk
Adhere to the safety instructions stated on the detergent
packaging.
ATTENTION
Unsuitable detergents
Damage to the device and the objects to be cleaned
Use only detergents approved by KÄRCHER.
Observe the dosing recommendations and notes pro-
vided with the detergent.
Use detergents sparingly to help conserve the environ-
ment.
Note
KÄRCHER detergents ensure fault-free operation. Ask
us for a consultation, request our catalogue or our de-
tergent information sheets.
Note
A cup foam lance (optional)is needed for operating with
detergent.
1. Unscrew the container.
Illustration G
Container
1
Foam nozzle
2
High-pressure gun
3
Suction hose
4
Gate
5
Detergent mixing: 3=high, 2=medium, 1=low
2. Plug the desired gate into the suction hose.
3. Fill the detergent into the container.
4. Screw the container onto the foam nozzle.
5. Disconnect the spray lance from the high-pressure
gun.
6. Connect the cup foam lance to the high-pressure
gun and hand-tighten.
7. Start up the high-pressure cleaner.
Recommended cleaning method
1. Spray the detergent sparingly on the dry surface and
let it work for a while (do not let it dry).
2. Rinse off the loosened dirt with the high-pressure
jet.
After operating with detergent
The cup foam lance must be flushed after use to prevent
the formation of detergent deposits.
1. Unscrew the container.
2. Pour the remaining detergent back into the original
packaging.
3. Fill the container with clear water.
English 19