Kärcher K 3.540 Operation Manual page 7

Install the dosage regulator for de-
tergent
STEP 3:

Insert detergent suction tube onto
the hose fitting.
Install the dosage regulator and
connect using 2 screws.
Note: During installation you must
make sure that the tongues of the
dosage regulator match up with the
intended recesses in the casing.
Connect the high pressure hose to
the hand spray gun
STEP 4:

Push the high pressure hose into
the trigger gun until it locks audibly.
Note: Make sure the connection
nipple is aligned correctly.
Check the secure connection by
pulling on the high pressure hose.
Disconnect:
Press the disconnect key on the

trigger gun and remove the high
pressure hose from the trigger gun.
7
English