Safety Instructions; Proper Use; Safety Devices - Kärcher HD 3.0/20-4 M Ea Operating Manual

19 Lever for hand spray gun
20 High pressure hose
21 Push handle
22 Cable clamp
23 Dosage valve for detergent
24 Detergent suction hose with deter-
gent filter and cover
25 Detergent bottle holder
Colour coding
The operating elements for the
–
cleaning process are yellow.
The controls for the maintenance
–
and service are light gray.

Safety instructions

Before first start-up it is definitely
–
necessary to read the operating in-
structions and safety indications Nr.
5.951-949!
Please follow the national rules and
–
regulations for fuel spray jets of the
respective country.
Please follow the national rules and
–
regulations for accident prevention
of the respective country. Fuel
spray jets must be tested regularly
and the results of these tests must
be documented in writing.
Symbols in the operating in-
structions
Danger
Immediate danger that can cause se-
vere injury or even death.
Warning
Possible hazardous situation that
could lead to severe injury or even
death.
Caution
Possible hazardous situation that
could lead to mild injury to persons or
damage to property.
6
Symbols on the machine
High-pressure jets can be
dangerous if improperly
used. The jet may not be di-
rected at persons, animals, live electri-
cal equipment or at the appliance itself.
According to the applicable
regulations, the appliance
must never be used on the
drinking water net without a system
separator. Use a suitable system sep-
arator manufactured by Kärcher; or, as
an alternative, a system separator as
per EN 12729 Type BA.
Water flowing through a system sepa-
rator is considered non-drinkable.
Use this high pressure cleaner exclu-
sively for
Cleaning using low pressure jet and
–
detergent (for e.g. for cleaning ma-
chines, cars, buildings, tools),
For cleaning using high pressure jet
–
without detergent (for e.g. for clean-
ing facades, terraces, garden appli-
ances).
For stubborn dirt, we recommend the
use of the dirt blaster as a special ac-
cessory.

Safety Devices

Safety devices serve for the protection
of the user and must not be put out of
operation or bypassed with respect to
their function.
Overflow valve with pressure
While reducing the water supply/quan-
tity regulation at the pump head, the
overflow valve opens and part of the
water flows back to the pump suck
side.
– 4
EN

Proper use

switch