Kärcher HDS 7/9-4 M/MX, Instructions Manual

Page: 33 / 516

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 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,
dir until stop.
 Set the operating pressure on the pump
unit to the minimum value.
 Set temperature regulator 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.
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Danger
Danger of scalding by hot water. After the
operation with hot water or steam, the de-
vice must be operated with opened 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.
For longer work breaks or if a frost free stor-
age is not possible:
 Drain water.
 Flush device with anti-freeze agent.
 Empty detergent tank.
 Screw off water supply hose and high
pressure hose.

Screw off supply hose at boiler bottom
and drain heating spiral empty.
 Operate device for max. 1 minute until
the pump and conduits are empty.
After operation with detergent
Turn off the appliance
Storing the Appliance
Frost protection
Shutdown
Dump water
33 EN