Safety Valve; Water Connection - Kärcher HD 830 BS Manual

Safety Devices
Safety devices serve for the protection of
the user and must not be put out of opera-
tion or bypassed with respect to their func-
tion.

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 safety valve is set by the manufacturer
and sealed. Setting only by customer ser-
vice.
Thermo-valve at the pump
The thermo-valve opens when the permis-
sible water temperature is exceeded and
lets out the hot water into the open.
The thermostat valve prevents the pump
from over-heating.
Start up
Danger
Risk of injury! Device, tubes, high pressure
hose and connections must be in faultless
condition. Otherwise, the appliance must
not be used.
Check oil level of the high pressure
 Check oil level of the high pressure
pump at the oil sight glass.
Do not operate the appliance if the oil level
has fallen below "MIN".
 Add oil if required (see technical speci-
fications).
14
pump
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.
 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.
Install hand spray gun
 Connect high pressure hose and spray
pipe to the hand spray gun.
 Install the nozzle on the spray pipe in such
a way that the marking is on the top.
 Tighten covering nut firmly.
 Connect the high pressure hose to the
high pressure connection point of the
machine.

Water connection

For connection values refer to technical
–
specifications
Warning
Observe regulations of water supplier.
According to the applicable regula-
tions, the appliance must never be
used on the drinking water supply
without a system separator. Use a
suitable system separator manufactured by
KÄRCHER; or, as an alternative, a system
separator as per EN 12729 Type BA. Water
flowing through a system separator is con-
sidered non-drinkable.
Caution
Always connect the system separator to
the water supply, never directly to the appli-
ance!
 Connect the supply hose to the water
connection point of the machine and at
the water supply point (for e.g. a tap).
 Open the water supply.
– 3
EN
Motor