74 English 5.906-432.0 Rev. 00 (06/15)
1 Turning handle
Screw in the twist grip of the pressure and volume reg-
ulation on the pump all the way to the stop (towards
"+").
Pull off the rotary handle.
1 Adjusting screw
2 Counter-nut
Loosen counter-nut.
Completely screw in the adjustment screw.
Install the stop valve on the high-pressure connection.
Turning on the appliance.
1 Safety block
2 Safety valve
3 Adjustment screw, safety valve
Slowly close the stop valve.
Observe at what pressure water is tripping.
(Nominal value: 20 bar above max. working pressure, see
technical data)
If the pressure is too high, turn the adjustment screw on
the safety valve to the left (relax the pressure spring).
If the pressure is too low, turn the adjustment screw on
the safety valve to the right (tension the pressure
spring).
Seal the adjustment screw.
Adjust the pressure/ volume regulation.
7.3 Adjust safety valve
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