Karcher HDS 8-18-4 C - Manual (Page 32)

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We recommend the following cleaning tem-
peratures:
– Light contaminations
30-50 °C
– Contaminations containing protein, i.e.
in the food processing industry
max. 60 °C
– Vehicle cleaning, machine cleaning
60-90 °C
– De-preserve, contaminations contain-
ing strong fat contents
100-110 °C
– De-frosting of surcharge substances,
partially facade cleaning
up to 140 °C
ƽ
Danger
Scalding danger!

Set device switch to desired tempera-
ture.
ƽ
Danger
Scalding danger! The operating pressure
must not exceed 3,2 MPa (32 bar) when
operating with temperatures above 98 °C.
Therefore the following measures must
definitely be performed:
ƽ
 Replace high pressure nozzle (stain-
less steel) with steam nozzle (brass,
order see specification).
 Open up the pressure/ quantity regula-
tor on the hand spray gun completely,
direction + until stop.
 Set the operating pressure on the pump
unit to the minimum value.
 Set device switch to min. 100 °C.
 Set dosing value for detergent to "0".
 Set the appliance switch to "1" (opera-
tion with cold water).
 Open the hand spray gun and rinse the
appliance for at least 1 minute.
ƽ
Danger
Danger of scalding by hot water. After the
operation with hot water or steam, the de-
vice must be operated with openend gun
with cold water for at least two minutes.

Set the appliance switch to "0/OFF“.
 Shut off water supply.
 Open the hand spray gun.
 Turn on pump shortly (appr. 5 seconds)
with device switch.
 Pull main plug out of socket with dry
hands only.
 Remove water connection.
 Activate hand spray gun until device is
pressure less.
 Lock the trigger gun.
 Lock in the steel pipe into the holder of
the appliance hood.
 Roll up high pressure hose and electri-
cal conduit and hang them into the re-
spective holders.
Device with hose drum:

Before rolling up, stretch out the high
pressure hose.
 Turn the hand crank clockwise (Direc-
tion of the arrow).
Note: Do not twist high pressure hose and
electrical conduit.
Caution
Frost will destroy the not completely water
drained device.

Store in a frost free area.
If the device is connected to a chimney, the
following must be observed:
Caution
Threat of damage by penetrating cold air
through the chimney.

Disconnect device from chimney when
outside temperature drops below 0 °C.
If it is not possible to store frost free, shut
down device.
Operating with hot water/steam
Operating with hot water
Operating with steam
After operation with detergent
Turn off the appliance
Storing the Appliance
Frost protection
32 EN