The switch allows the operator to select the unloading/stopping pressure (see Regulating system).
Adjustment can only be carried out when the pressure switch is pressurised.
The loading/starting pressure is controlled by adjusting knob (2). Remove blocking device (3) and turn the
knob clockwise to raise the pressure, anti-clockwise to lower it. See also below drawing.
The pressure difference between unloading and loading is adjusted by means of the same knob. Push down
the knob and turn it clockwise to reduce the pressure difference, counter-clockwise to increase it.
Instruction book
58 2920 7054 00
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