Proper Use; Safety Instructions; Safety Devices - Kärcher HDS 6/10-4 C/CX Basic Instruction Manual

Proper use

Cleaning of: Machines, Vehicles, Struc-
tures, Tools, Facades, Terraces, Garden-
ing tools, etc.
DANGER
Risk of injury! Follow the respective safety
regulations upon employment at gas sta-
tions or other dangerous areas.
Please do not let mineral oil contaminated
waste water reach soil, water or the sew-
age system. Perform engine cleaning and
bottom cleaning therefore only on speci-
fied places with an oil trap.
Quality requirements for water:
ATTENTION
Only clean water may be used as high
pressure medium. Impurities will lead to in-
creased wear and tear or formation of de-
posits in the appliance.
If recycled water is used, the following limit
values must not be exceeded.
pH value
electrical conductivity *
settleable solids **
total suspended solids *** < 50 mg/l
Hydrocarbons
Chloride
Sulphate
Calcium
Total hardness
Iron
Manganese
Copper
Active chloride
free of bad odours
* Maximum total 2000 μS/cm
** Test volume 1 l, settling time 30 min
*** no abrasive substances
22
All manuals and user guides at all-guides.com
– Please follow the national rules and
– Please follow the national rules and
– The heating appliance of the machine is
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.
6,5...9,5
Conductivity
– When the water supply at the pump
fresh water
+1200 μS/cm
< 0,5 mg/l
– If the hand-spray gun is closed, so that
< 20 mg/l
< 300 mg/l
< 240 mg/l
– If the hand spray gun is opened, the
< 200 mg/l
< 28 °dH
The overflow valve is set by the manufac-
< 50 °TH
turer and sealed. Setting only by customer
< 500 ppm (mg
service.
CaCO /l)
3
< 0,5 mg/l
< 0,05 mg/l
– The safety valve opens, when the over-
< 2 mg/l
< 0,3 mg/l
The safety valve is set by the manufacturer
and sealed. Setting only by customer ser-
vice.
– 3
EN

Safety instructions

regulations for fluid spray jets of the re-
spective country.
regulations for accident prevention of
the respective country. Fluid spray jets
must be tested regularly and the results
of these tests must be documented in
writing.
an ignition plant. All national laws and
regulations about heating systems must
also be followed.

Safety Devices

Overflow valve with two pressure
switches
head is reduced, the overflow valve
opens and part of the water flows back
to the suction side of the pump.
the whole water flows back to the pump
suck side, the pressure switch at the
overflow valve shuts down the pump.
pressure switch on the cylinder head
turns the pump back on.
Safety valve
flow valve resp. the pressure switch is
broken.