22
Small repairs - do it yourself!
The pressure gauge shows full pressure although the trigger gun with
safety catch has been closed. The pressure switch valve switches constantly.
Possible cause no.1: Leakage
Having closed th trigger gun with safety
catch, the HP cleaner must shut down and
the pressure gauge must show „0“ bar.
If the pressure gauge shows full pressure
but the motor constantly switches on and
off, a leakage at the pump, at the high-
pressure hose, at the trigger gun or at the
lance can be the reason.
Proceeding:
Check connections from the HP cleaner to
the high-pressure hose and from the hose
to the trigger gun and also the connection
between lance and trigger gun for tight-
ness.
Switch off the cleaner. Shortly press the
trigger of the trigger gun with safety catch
to decrease the pressure.
Unscrew HP hose, trigger gun with safety
catch and lance and check the O-rings.
If the O-rings are damaged they have to
be replaced.
In case of a leakage there is no guarantee for possible
consequential damages.
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