English 5.906-432.0 Rev. 00 (06/15) 1151 Adjustment screw, high pressure2 Lock nut, adjustment screw, high pressure3 Spindle, pressure and quantity regulation4 Adjustment screw, low pressure5 Lock nut, adjustment screw, low pressure6 Housing, overflow valve Fasten the test manometer to the high-pressure con-nection. Connect high-pressure hose with standard gun to thetest pressure gauge. Install the new high pressure nozzle. Open standard gun. Turning on the appliance. 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. Loosen the locknut of the adjustment screw for highpressure. Turn the adjustment screw high pressure in a way thatthe opening pressure of the overflow valve is reachedon the test manometer.NoteIf this screw is turned clockwise, the pressure is increased;and if it is turned counter-clockwise, the pressure is de-creased. Secure the adjustment screw for high pressure by tight-ening the locknut. Check the working pressure, feed volume and switchpoints of the pressure switches. Then seal this setting.NoteThe maximum working pressure is set with the standardgun without control knob.7.50 Setting the working pressure with standard gun without rotary knob7.50.1 Setting the maximum working pressure
