Refill fuel
DANGER
Danger of explosion! Only refill diesel oil or
light fuel oil. Inappropriate fuels, e.g. petrol,
must not be used.
ATTENTION
Risk of damage to the fuel pump on account
of dry running. Fill up the fuel tank even dur-
ing cold water operations to such a level that
the indicator lamp for fuel goes off.
Refill fuel.
Close tank lock.
Wipe off spilled fuel.
Refill liquid softener
Note: A sample bundle of li uid softener is
included in the delivery.
Remove spring (c) from the lid support
(b) of the softener tank (a).
Fill the tank with Kaercher softener li -
uid RM 110 (Order no. 2.780-001).
– The li uid softener prevents the calcifi-
cation of the heating spiral while operat-
ing with calciferous tap water It is dosed
into the supply drop by drop
– The metering is set to medium water ri-
gidity by the manufacturer
Adjust dosing of liquid softener
DANGER
Dangerous electrical voltage! Setting may
only be done by an electrician.
Determining the hardness of tap water:
– through the public water supply works,
– using a hardness tester (order no.
6.768-004)
Open the electrical box.
24
Set the speed potentiometer (a) accord-
ing to the water hardness. You can refer
to the correct setting in the table.
E ample:
For a water hardness of 15 °dH, set 7 on
the value scale of the speed potentiometer.
Water hardness
(°dH)
5
10
15
20
25
30
Battery
Safety notes regarding the battery
Please observe the following warning notes
when handling batteries:
Observe the notes on the bat-
tery and in the operating in-
structions!
Wear an eye shield!
Keep away children from acid
and batteries!
Risk of explosion!
EN
– 5
Scale on the speed
potentiometer
10
8
7
6.5
6
5.5