Kärcher HD 7/12-4 M Bedienungsanleitung Seite 19

Safety Devices
Overflow valve with pressure switch
While reducing the water supply/quantity
regulation at the pump head, the overflow
valve opens and part of the water flows
back to the pump suck side.
If the lever on the trigger gun is released
the pressure switch turns off the pump, the
high-pressure jet ist stopped. If the lever is
pulled the pump is turned on again.
Safety valve
The safety valve opens when the permissi-
ble operating pressure is exceeded; water
flows back to the suction side of the pump.
The overflow valve, pressure switch and
safety valve are set and sealed at the fac-
tory.
Setting only by customer service.
Environmental protection
The packaging material can be
recycled. Please do not place
the packaging into the ordinary
refuse for disposal, but ar-
range for the proper recycling.
Old appliances contain valua-
ble materials that can be recy-
cled. Please arrange for the
proper recycling of old appli-
ances. Batteries, oil, and simi-
lar substances must not enter
the environment. Please dis-
pose of your old appliances us-
ing appropriate collection
systems.
Before Startup
Unpacking
– Check the contents of the pack before
unpacking.
– In case of transport damage inform ven-
dor immediately
Check oil level
Read the oil level display when the de-
vice is not running. The oil level must be
above the two pointers.
Activate deaeration of oil container
Unscrew the fastening screws of the
device hood; remove the device hood.
Cut off tip of oil container cover
Fasten the device hood.
Attaching the Accessories
Mount the nozzle on the spray pipe
(markings on the adjustment ring at the
top).
Install spray pipe on the hand-spray
gun with pressure and volume regula-
tion.
Note
Only with HD 7/10 CXF:
When space is limited, the enclosed adapt-
er with nozzle can be mounted directly to
the hand spray gun.
In devices without hose drum:
Fasten the high pressure hose to the
high pressure connection.
In devices without hose drum:
Insert the crank in the hose drum shaft
and lock it in.
Before rolling up, stretch out the high
pressure hose.
Wind the high pressure hose in uniform
layers on the hose drum by rotating the
crank. Select the rotation direction in
such a way that the high pressure hose
does not get bent.
Start up
Electrical connection
Warning
The appliance may only be connected to al-
ternating current.
19
English