Start Up; Safety Valve; Water Connection - Kärcher HD 901 B Manual

Safety valve

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.
Safety thermostat at the pump
The safety thermostat switches off the mo-
tor when the maximum permissible temper-
ature has been exceeded.

Start up

 In case of transport damage inform ven-
dor immediately
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).
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.
14
pump
Motor
 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

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!
For connection values refer to technical
–
specifications
 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.
Note
The supply hose is not included.
Suck in water from vessel
Danger
Never suck in water from a drinking water
container. Never suck in liquids which con-
tain solvents like lacquer thinner, petrol, oil
or unfiltered water. The sealings within the
device are not solvent resistant. The spray
mist of solvents is highly inflammable, ex-
plosive and poisonous.
 Connect suction hose (minimum diame-
ter 3/4") with filter (accessory) to the
water connection point.
 Set dosing value for detergent to "0".
 Remove air from appliance before oper-
ation.
– 3
EN