Proper Use; Safety Devices - Kärcher HD 7/11-4 Cage Bedienungsanleitung

Transport
The engine is to be brought to a standstill
and the appliance is to be fastened properly
during transportation.
Maintenance
– Switch off the appliance and, in case of
appliances connected to the mains, pull
out the power cord before cleaning and
performing any maintenance tasks on
the machine.
– Relieve the high pressure system of all
pressure prior to all work on the appli-
ance and the accessories.
– Maintenance work may only be carried out
by approved customer service outlets or ex-
perts in this field who are familiar with the re-
spective safety regulations.
– Mobile industrial apliances are subject
to safety inspections according to the
local regulations (for e.g. the following
are applicable in Germany: VDE 0701).
Accessories and Spare Parts
– To avoid risks, all repairs and replace-
ment of spare parts may only be carried
out by the authorised customer service
personnel.
– Only use accessories and spare parts
which have been approved by the man-
ufacturer. The exclusive use of original
accessories and original spare parts
ensures that the appliance can be oper-
ated safely and trouble free.

Proper use

Use this high pressure cleaner exclusively for
– cleaning with a high pressure jet without
detergent (e.g. cleaning of facades, ter-
races, garden appliances, vehicles and
similar objects).
For stubborn dirt, we recommend the use of
the dirt blaster as a special accessory.
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

Safety Devices

Safety devices serve to protect the user
and must not be rendered in operational or
their functions bypassed.
The trigger safety on the trigger gun pre-
vents accidental switch-on of the appli-
ance.
– While reducing the water supply/quanti-
ty regulation at the pump head, the
overflow valve opens and part of the
water flows back to the pump suck side.
– If the hand spray gun is closed, the
overflow valve opens and the entire wa-
ter volume will flow back to the pump
suction side.
The overflow valve is set by the manufac-
turer and sealed. Setting only by customer
service.
– 4
EN
6,5...9,5
Conductivity
fresh water
+1200 µS/cm
< 0,5 mg/l
< 20 mg/l
< 300 mg/l
< 240 mg/l
< 200 mg/l
< 28 °dH
< 50 °TH
< 500 ppm
(mg CaCO
< 0,5 mg/l
< 0,05 mg/l
< 2 mg/l
< 0,3 mg/l
Trigger safety
Overflow valve
/l)
3
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