Spray Lance With Pressure Regulation; Spray Lance With Dirtblaster; Interrupting Operation - Kärcher K 3.97 M Originalbetriebsanleitung

 Separate the high pressure hose from
the high pressure connection of the ap-
pliance.
 Switch the appliance on (I/ON) for a
max. of 2 minutes and wait until the wa-
ter exits the high-pressure connection
without bubbles.
 Turn off the appliance "0/OFF".
Start up
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 instructed in the Chapter
"Troubleshooting".
 Connect the high pressure hose to the
high pressure connection of the appli-
ance.
 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".
Operation
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 holding the trigger gun and spray lance
firmly.
Caution
Prior to cleaning, make sure that the high
pressure is placed safely on level ground.
Wear protective goggles and protective
clothing during the cleaning process.
 Unlock the lever on the trigger gun.
 Pull on the lever of the trigger gun; the
device will switch on.
Note: Release the lever of the trigger gun;
the device will switch off again. High pres-
sure remains in the system.
All manuals and user guides at all-guides.com

Spray lance with pressure regulation

Carrying out the most common cleaning
tasks. The work pressure can be stageless-
ly regulated between "Min" and "Max".
 Release the lever on the trigger gun.
 Turn the spray lance to the desired po-

Spray lance with Dirtblaster

For particularly dirty items or areas.
Not suitable for use with detergents.
Please use exclusively KÄRCHER deter-
gents and care products to carry out the re-
spective cleaning task, as these were
specifically developped for your appliance.
The use of other detergents and care prod-
ucts may lead to premature wear and can
invalidate your warranty claims. Please ob-
tain information at your local dealer or re-
quest information directly from KÄRCHER.
 Pull detergent suction hose as far as is
 Suspend end of detergent suction hose
 Use spray lance with pressure regula-
 Turn the spray lance to "Mix" position.
Recommended cleaning method
 Spray the detergent sparingly on the
 Spray off loosened dirt with the high-
 Release the lever on the trigger gun.
 Lock the lever on the trigger gun.
 During longer breaks (more than 5 min-
 Insert the trigger gun in its holder.
- 5
EN
sition.
Working with detergent
required out of the housing.
in a container filled with detergent.
tion (Vario Power).
Note: This will mix the detergent with
the water stream.
dry surface and allow it to react, but not
to dry.
pressure jet.

Interrupting operation

utes), also turn the appliance off using
the "0/OFF" switch.
15