Karcher HD 1050 B - Manual (Page 16)

– 5
ƽ
Danger
Switch the appliance off prior to replacing
nozzle and activate hand spray gun until
device is pressureless.
 Open the water supply.
 Start the engine according to the oper-
ating instructions of the engine manu-
facturer.
 Press the lever on the hand spray gun.
Select round or flat spray using touch-less
switching:

Close the hand spray gun.
 Turn the spray pipe towards the left or
right to select the desired spray type.
Note: To prevent damage due to too much
pressure, always position high pressure ray
first from a greater distance towards object
to be cleaned.
 Set (+/-) the working pressure and
quantity by turning the pressure/ quan-
tity regulation mechanism at the hand
spray gun.
ƽ
Danger
When adjusting the pressure/quantity regu-
lation, make sure that the screw connection
of the spray lance does not become loose.
ṇ
Warning
Unsuitable detergents can cause damage
to the appliance and to the object to be
cleaned. Use only those detergents that
have been approved by Kärcher. Observe
the dosage and other instructions provided
with these detergents. For considerate
treatment of the environment use detergent
economically.
Follow the safety instructions for using de-
tergents.
Kärcher detergents ensure smooth func-
tioning. Please consult us or ask for our cat-
alogue or our detergent information sheets.

Suspend end of suction hose in a con-
tainer filled with detergent.
 Set nozzle to "CHEM".
 Set dosing value for detergent to the
desired concentration.
– Loosen the dirt:
Spray detergent economically and let it
work for 1...5 minutes but do not let it
dry up.
– Remove the dirt:
Spray off loosened dirt with the high
pressure jet.
 Set dosing value for detergent to "0".
 Open the hand spray gun and rinse the
appliance for at least 1 minute.
 Release the lever on the trigger gun.
Note:When the lever of the hand spray gun
is released, the engine continues to run at
zero speed.

In case of extended interruptions (sev-
eral minutes), switch off the engine.
After operating the water using saline water
(sea water), open the hand spray gun and
rinse the appliance for at least 2 - 3 minutes
using tap water.
Replace the nozzle
Turning on the Appliance
Triple nozzle
Meaning of the symbols
High pressure circular spray
(0°) for specially stubborn dirt
High pressure flat spray (25°)
for large dirt areas
Flat low pressure spray
(CHEM) for operating using de-
tergents or cleaning at low
pressure.
Set working pressure and flow rate
Operation with detergent
Recommended cleaning method
After operation with detergent
Interrupting operation
Turn off the appliance
16 EN