Kärcher 570 - High-Pressure Cleaning Without Detergent; Low-Pressure Cleaning with Detergent

Operation with detergent Karcher 570
Injector connection Detergent suction hose
1. High - pressure cleaning without
2. Low - pressure cleaning with deter -
detergent gent
The water is pumped through the injector to
With the 2
- way nozzle switchedto low-pres-
the 2 - way nozzle. The pressure at which the
sure (large nozzle bore), the water passes
water leaves the nozzle depends on the size
at high speed through the injector and this
of nozzle bore, the larger the bore, the lower
results in a reduction in pressure (vacuum)
the jet pressure and vice
- versa.
at the injectorconnection. Such
avacuum is
only generated if the bore
of the nozzle is
larger than the bore of the injector.
The vacuum thus generated causes deter
-
gent to be drawn through the detergent non
return valve and detergent metering valve,
to be mixed with the water delivered by the
Pump.