Karcher HDS 13-20-4 SX - Manual (Page 27)

– 5
 Determining the hardness of tap water:
– through the public water supply works,
– using a hardness tester (order no.
6.768-004)
 Set the service switch according to the
water hardness in the table.
Note: Observe the following when using
system care Advance 2 RM 111:
– Calcification protection: See table
– Pump care and black water protection:
Set the service switch to at least setting 3.
ƽ
Danger
Risk of explosion! Only refill diesel oil or
light fuel oil. Unsuitable fuels, e.g. petrol,
are not to be used.
Caution
Never operate device with empty fuel tank
The fuel pump will otherwise be destroyed.

Refill fuel.
 Close tank lock.
 Wipe off spilled fuel.
Caution
Risk of injury!
– Use Kärcher products only.
– Under no circumstances fill solvents
(petrol, aceton, diluting agent etc.)
– Avoid eye and skin contact.
– Observe safety and handling instruc-
tions by the detergent manufacturer.
Kärcher offers an individual cleaning
and care appliances program.
Your dealer will consult you gladly.

Refill detergent.
Figure 4

Connect ray tube with hand spray gun
 Tighten the screw connection of the
spray lance finger tight.
 Insert high pressure nozzle into cover-
ing nut
 Install covering nut and tighten firmly
– Appliance without hose drum:
 Connect the high pressure hose to the
high pressure connection point of the
machine.
– Device with hose drum:
 Connect the high pressure hose to the
hand-spray gun.
Caution
Always unwind high pressure hose com-
pletely
Figure 5
Figure 6

Completely roll off the high-pressure
hose from the hose drum.
 Rotate the hose drum until the screwed-
on semi bowl is pointing toward the top.
Loosen all three screws and remove the
loosened semi bowl.
Figure 7

Unlatch the fastening clamp for the
high-pressure hose and pull the hose
out.
Adjusting the dosage of the system
care Advance RM 110/RM 111
Water hard-
ness (°dH) Scale on the service switch
<3 OFF (no dosing)
3...7 1
7...14 2
14...21 3
>21 4
Refill fuel
Refill detergent
Install the hand-spray gun, the jet
pipe, the nozzle and the high
pressure hose
Installing the replacement
high-pressure hose (appliances
without hose drum)
Installing the replacement
high-pressure hose (appliances
with hose drum)
27 EN