Vacuuming Operations - Kärcher HDS 7/12 M Service Manual

6.30 Vacuuming operations

Note
If the appliance is used for vacuuming, the rinse hose of
the detergent dosing valve must be plugged onto the re-
spective plug to prevent erroneous air suction.
Furthermore, the fine filter must be uninstalled and the wa-
ter supply hose must be connected directly to the high
pressure pump.
Note
The conversion to vacuuming operations requires bypass-
ing of the float container.
 Remove the liquid softener bottle and turn it over imme-
diately to avoid spills.
 Open the device hood.
 Unscrew the water filter from the high-pressure pump
inlet.
 Unscrew the water hose from the float valve and screw
it onto the high-pressure pump inlet.
 Pull the rinse hose off the connection on the float con-
tainer output and plug it onto the stopper.
CAUTION
When replacing the liquid softener reservoir, make sure
that the cables from the solenoid valve and level sensor
are not crushed.
 Place the liquid softener tank onto the swimmer reser-
voir.
Until the pump has sucked in water
 Set the pressure/quantity regulation at the pump unit to
maximum quantity.
 Close the dosing valve for the detergent.
Note
The suction hose with filter (accessory) must have a mini-
mum diameter of 3/4".
The suction height is max. 0.5 m.
62
English 5.906-432.0 Rev. 00 (06/15)
1 Slot vacuum operation (plug)
2 Slot pressure water operation (connection)