Kärcher 570 - Basic Cleaner Settings; Checking the Pump Delivery

Karcher 570
Basic cleaner settings
1. Checking the pump delivery
Fit the
HP outlet with the shutoff valve
(special
too1)connectthe HP hose (without
hand gun and spray lance), start the clea
-
ner. Close the shutoff valve as far as neces -
sary to bring the cleaner up to working
pressure (see Technical Data) and
rneasu-
re the quantity of water delivered into a
suitable container in litres, or
gallones per
minute.
If the quantity of water delivered is too
low, this indicates leakage within the
Pump.
2. Checking the pressure at which the
relief
vaGe opens
Fit the shutoff valve(special tool) to the
HP outlet and start the cleaner. Slowly close
the shutoff valve and note when the needle
of the pressure gauge indicates that the
relief valve has switched to circulation
(approx. 10 bar).
The switchover must take place on rea
-
ching a pressure of approx. 120 bar.
ADJUSTMENT
IS NOT POSSIBLE, THE
PRESSURE DEPENDS ON THE DESIGN