Safety Instructions; Safety Devices; Overflow Valve; Safety Valve - Kärcher HD 7/15 G Manual De Instrucciones

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

Safety instructions

 Please follow the national rules and
regulations for fluid spray jets of the re-
spective country.
 Please follow the national rules and
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.
DANGER
– Do not use high pressure cleaners
when there has been an oil spill; move
the appliance to another spot and avoid
any sort of spark formation.
– Do not store, spill or use fuel in the vi-
cinity of open flames or appliances such
as ovens, boilers, water heaters, etc.
that have an ignition flame or can gen-
erate sparks.
– Keep even mildly inflammable objects
and materials away from the muffler (at
least 2 m).
18
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– Do not start the engine without the muf-
6,5...9,5
Conductivity
fresh water
– Do not use the engine in forest, bushes
+1200 μS/cm
< 0,5 mg/l
– Except for setting jobs, do not run the
< 20 mg/l
< 300 mg/l
< 240 mg/l
– Do not make any adjustments to the
< 200 mg/l
< 28 °dH
< 50 °TH
< 500 ppm
– Risk of burns! Do not touch hot muf-
(mg CaCO /l)
3
< 0,5 mg/l
– Do not put hands or feet close to mov-
< 0,05 mg/l
– Risk of poisoning! The appliance should
< 2 mg/l
< 0,3 mg/l
– Do not use unsuitable fuels, as they
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.
– If the hand spray gun is closed, the
– The overflow valve is set by the manu-
The safety valve opens when the permissi-
ble operating pressure is exceeded (see
Technical Data); water flows outside.
The safety valve is set by the manufacturer
and sealed. Setting only by customer ser-
vice.
– 3
EN
fler; check, clean and replace, if re-
quired, the muffler at regular intervals.
or grassy areas without fitting a spark
receiver at the exhaust
engine when the air filter is removed or
there is no cover over the suction sup-
port.
regulator springs, regulator bars or oth-
er parts that can bring forth an increase
in the engine speed.
flers, cylinders or radiator ribs.
ing or rotating parts.
not be operated in closed rooms.
may be dangerous.

Safety Devices

Overflow valve

overflow valve opens and the high pres-
sure pump diverts the water back to the
pump suction side. Thus the permissi-
ble working pressure is not exceeded.
facturer and sealed. Setting only by
customer service.

Safety valve