Kärcher HDS 9/14-4 ST Manual Original página 36

Measures to be taken before start-up
DANGER
Risk of explosion! Only refill diesel oil or light fuel oil. Unsuitable
fuels, e.g. petrol, are not to be used.
 Refill fuel tank.
ATTENTION
Hot water operations without fuel will cause damage to the fuel
pump. Ensure adequate fuel supply before starting hot water op-
erations.
Figure 3 - Pos. 14
Note: The EASY!Lock system joins components with a quick-fas-
ten thread solidly and securely with just one turn.
 Connect the high pressure hose with the hand-spray gun and
the spray pipe and connect it to the high pressure outlet of the
appliance or the high pressure pipe network.
a
 Fasten the nozzle mouth-piece (b) with the union nut (a) on
the spray pipe (d). Please ensure that the sealing ring (c) is
cleanly positioned in the nut.
Anti-calcification measures
b
c
a
 Remove spring (c) from the lid support (b) of the softener tank
(a).
 Fill the tank with Kaercher softener liquid RM 110 (Order no.
2.780-001).
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)
 Remove the appliance cover.
 Open the switch box at the operating panel.
36
b c d
 Set the speed potentiometer (a) according to the water hard-
ness. You can refer to the correct setting in the table.
Example:
For a water hardness of 15 °dH, set 6 on the value scale of the
speed potentiometer. This results in a pause of 31 seconds, i.e.
the solenoid valve will open briefly every 31 seconds.
Water hardness (°dH)
Scale on the speed potenti-
ometer
Pause (in seconds)
Adjusting the operations stand-by time
The operations stand-by time is set on the larger plate on the left
side-wall of the electrical cabinet.
The operations stand-by time is set in the factory to a minimum
time of 2 minutes and can be increased to a maximum time of 8
minutes.
15
-
EN
5 10 15
8 7 6
50 40 31
S2
8 7 6 5 4 3 2 1
min. max.
a
20 25
5 4.5
22 16