Kärcher HDS 13/24 PE Original Instructions Manual page 25

Refill fuel
Caution
Risk of damage to the fuel pump on ac-
count of dry running. Fill up the fuel tank
even during cold water operations to such
a level that the indicator lamp for fuel goes
off.
Danger
Risk of explosion! Only refill diesel oil or
light fuel oil. Unsuitable fuels, e.g. petrol,
are not to be used.
 Refill fuel.
 Close tank lock.
 Wipe off spilled fuel.
Refill liquid softener
Note: A sample bundle of liquid 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 liq-
uid RM 110 (Order no. 2.780-001).
The liquid softener prevents the calcifica-
tion of the heating spiral while operating
with calciferous tap water It is dosed into
the supply drop by drop
The metering is set to medium water rigidity
by the manufacturer
Adjust dosing of liquid softener
Danger
Risk of 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.
 Set the speed potentiometer (a) accord-
ing to the water hardness. You can refer
to the correct setting in the table.
Example:
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
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!
– 5
EN
Scale on the speed
potentiometer
10
8
7
6,5
6
5,5
Battery
25