Kärcher K 3.77 M Betriebsanleitung Seite 12

the high-pressure connection without bub-
bles.
Turn off the appliance "0/OFF".
Caution
Dry runs lasting longer than two minutes lead
to damages to the high pressure pump. If the
appliance does not build up pressure within
two minutes, switch it off and proceed as in-
structed in the Chapter "Help with faults".
Illustration
Connect the high pressure hose to the
high pressure connection of the appli-
ance.
Illustration
Push the spray lance into the trigger gun
and fasten it by turning it through 90°.
Completely open the water tap.
Insert the mains plug into the socket.
Turn on the appliance "I/ON".
Danger
The trigger gun is subjected to a recoil force
when the water jet is discharged. Make sure
that you have a firm footing and are also hold-
ing the trigger gun and spray lance firmly.
Unlock the lever on the trigger gun.
Pull on the lever of the trigger gun; the de-
vice will switch on.
Note: Release the lever of the trigger gun; the
device will switch off again. High pressure re-
mains in the system.
Spray lance with pressure regulation
Carrying out the most common cleaning
tasks. The work pressure can be stagelessly
regulated between "Min" and "Max".
Release the lever on the trigger gun.
Turn the spray lance to the desired posi-
tion.
Washing brush
Suitable for use with detergents.
Working with detergent
Please use exclusively KÄRCHER detergents
and care products to carry out the respective
cleaning task, as these were specifically de-
velopped for your appliance. The use of other
detergents and care products may lead to
premature wear and can invalidate your war-
12 English
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Deutsch
Start up
Operation
ranty claims. Please obtain information at
your local dealer or request information direct-
ly from KÄRCHER.
Pull detergent suction hose as far as is re-
quired out of the housing.
Suspend end of detergent suction hose in
a container filled with detergent.
Use spray lance with pressure regulation
(Vario Power).
Turn the spray lance to "Mix" position.
Note: This will mix the detergent with the
water stream.
Recommended cleaning method
Spray the detergent sparingly on the dry
surface and allow it to react, but not to dry.
Spray off loosened dirt with the high-pres-
sure jet.
Interrupting operation
Release the lever on the trigger gun.
Lock the lever on the trigger gun.
During longer breaks (more than 5 min-
utes), also turn the appliance off using the
"0/OFF" switch.
Finish operation
Caution
Only separate the high-pressure hose from
the trigger gun or the appliance while there is
no pressure in the system.
After working with detergent, suspend de-
tergent suction hose in a container filled
with clear water, switch the appliance on
for around 1 minute once the spray lance
has been removed and rinse until water
runs clear.
Release the lever on the trigger gun.
Turn off the appliance "0/OFF".
Turn off tap.
Press the lever on the trigger gun to re-
lease any remaining pressure in the sys-
tem.
Lock the lever on the trigger gun.
Pull out the mains plug.
Detach the appliance from the water sup-
ply.
Stow away the mains cable, the high-
pressure hose and accessory at the appli-
ance.