Karcher HD 3-5-30-4 S Ea - Manual (Page 8)

– 6
ƽ Danger
Risk of explosion!
Do not spray flammable liquids.
If the appliance is used in hazardous
areas (e.g. filling stations) all of the
safety provisions and operating in-
structions detailed in this manual must
be observed.
Caution
Clean engines only at places with cor-
responding oil separators (environ-
mental safety).
Note
The appliance is equipped with a pres-
sure switch. The motor starts up only
when the lever of the pistol is pulled.
 Set the appliance switch to "I".
The indicator lamp glows green.
 Unlock the hand-spray gun and pull
the lever of the gun.
 Set working pressure and water
quantity by turning (rungless) at the
pressure and quantity regulation (+/
-).
For transporting small quantities, the
engine heat ensures that water is heat-
ed up to approx. 15 °C.
 Close the hand spray gun.
 Turn the casing of the nozzle till the
desired symbol matches the mark-
ing.
 Select round or flat spray using
touch-less switching:
Turn the spray-pipe that is inclined
about 45° downward to the left or
the right.
ṇ
Warning
Unsuitable detergents can cause dam-
age to the appliance and to the object
to be cleaned. Use only those deter-
gents that have been approved by
Kärcher. Observe the dosage and oth-
er instructions provided with these de-
tergents. For considerate treatment of
the environment use detergent eco-
nomically.
Follow the safety instructions for using
detergents.
Kärcher detergents ensure smooth
functioning. Please consult us or ask
for our catalogue or our detergent in-
formation sheets.
 Fill detergent tank.
 Set nozzle to "CHEM".
 Set dosing value for detergent to
the desired concentration.
 Spray the detergent sparingly on
the dry surface and allow it to react,
but not to dry.
Operation
High pressure operation
Select spray type
Meaning of the symbols
High pressure flat spray
(25°) for large dirt areas
High pressure circular
spray (0°) for specially
stubborn dirt
Flat low pressure spray
(CHEM) for operating us-
ing detergents or clean-
ing at low pressure.
Operation with detergent
Position of the dosing
valve 1 3 5 7
Detergent concentra-
tion [%]
(for max. flow quantity) 0,5 2,5 5,0 7,0
Recommended cleaning method
8 EN