Karcher HD 9-50 Pe - Manual (Page 18)

– 4
– If the hand spray gun is closed, the
overflow valve opens and the entire wa-
ter volume will flow back to the pump
suction side.
The overflow valve and pressure switch are
set and sealed at the factory. Setting only
by customer service.
The safety valve opens when the overflow
valve is defective.
The safety valve is set by the manufacturer
and sealed. Setting only by customer ser-
vice.
The thermal valve protects the high-pres-
sure pump from unacceptable heating dur-
ing circuit operation.
The lack of water fuse shuts off the engine
when the water supply is scarce (water
pressure too low).
ṇ
Danger
Risk of injury! Device, tubes, high pressure
hose and connections must be in faultless
condition. Otherwise, the appliance must
not be used.
 Cut off tip of oil container cover
 Check oil level of the high pressure
pump.
The oil level must be at the centre of the
oil level display.
 Add oil if required (see technical speci-
fications).
 The oil level must be at the centre of the
oil level display.
 Add oil if required (see technical speci-
fications).
Follow the instructions given in the sec-
tion "Safety Notes"!

Read the operating instructions of the
engine manufacturer before start-up
and follow the safety instructions care-
fully.
 Check air filter.
 Fill the fuel tank with unleaded petrol.
Do not use 2-speed mixture.
 Check oil level of the engine.
Do not operate the appliance if the oil level
has fallen below "MIN".

If required, top up oil carefully.
Please observe the following warning notes
when handling batteries:
Safety valve
Thermostat valve
Attachment set lack of water fuse
(option)
Start up
Check oil level of the high pressure
pump
Check oil level in the gears.
Motor
Battery
Safety notes regarding the battery
Observe the directions on the
battery, in the instructions for
use and in the vehicle operat-
ing instructions!
Wear an eye shield!
Keep away children from acid
and batteries!
Risk of explosion!
Fire, sparks, open light, and
smoking not allowed!
Danger of causticization!
18 EN