Karcher HD 3-0-20- 4M Ea - Manual (Page 7)

– 5
If the lever on the trigger gun is re-
leased the pressure switch turns off the
pump, the high-pressure jet is stopped.
If the lever is pulled the pump is turned
on again.
The safety valve opens when the per-
missible operating pressure is exceed-
ed; water flows back to the suction side
of the pump.
The overflow valve, pressure switch
and safety valve are set and sealed at
the factory.
Setting only by customer service.
Notes about the ingredients
(REACH)
You will find current information about
the ingredients at:
www.kaercher.com/REACH
–
Check the contents of the pack be-
fore unpacking.
–
In case of transport damage inform
vendor immediately
 Read the oil level display when the
device is not running. The oil level
must be above the two pointers.
 Unscrew the fastening screws of
the device hood; remove the device
hood.
 Cut off tip of oil container cover
 Fasten the device hood.
 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 reg-
ulation.
 Fasten the high pressure hose to
the high pressure connection.
ṇ Danger
Danger of injury by electric shock.
The appliance may only be connected
to an electrical supply which has been
installed in accordance with IEC
60364.
The voltage indicated on the type plate
must correspond to the voltage of the
electrical source.
Safety valve
Environmental protection
The packaging material can
be recycled. Please do not
throw the packaging materi-
al into household waste;
please send it for recycling.
Old appliances contain
valuable materials that can
be recycled; these should
be sent for recycling. Batter-
ies, oil, and similar sub-
stances must not enter the
environment. Please dis-
pose of your old appliances
using appropriate collection
systems.
Please do not release engine oil, fuel
oil, diesel and petrol into the environ-
ment Protect the ground and dispose
of used oil in an environmentally-
clean manner.
Before Startup
Unpacking
Check oil level
Activate deaeration of oil con-
tainer
Attaching the Accessories
Start up
Electrical connection
7 EN