[. . . ] ACCIDENT HAZARD DISCHARGE residual pressure before disconnecting the unit hose. INJURY HAZARD Before using the appliance, CHECK every time that the screws are fully tightened and that there are no broken or worn parts. ACCIDENT HAZARD ONLY USE detergents which will not corrode the coating materials of the high pressure hose/electrical cable. [. . . ] All installation and assembly operations must be performed with the appliance disconnected from the mains power supply. 1 Symbols E2 symbol – Indicates that the appliance is intended for professional use, i. E3 symbol – Indicates that the appliance is intended for non-professional (domestic) use. 2 Assembling the rotating nozzle (For models with this feature) The rotating nozzle kit delivers greater washing power. Use of the rotating nozzle may cause of reduction in pressure of 25% compared to the pressure obtained with the adjustable nozzle. However, the rotating nozzle kit delivers greater washing power due to the rotation of the water jet. Vehicle engines may be washed only if the dirty water is disposed of as per regulations in force. Check that the electrical supply voltage and frequency (V-Hz) correspond to those specified on the appliance data plate (fig. The appliance should only be connected to a mains power supply equipped with an adequate earth connection and a differential security breaker (30 mA) to cut off the electricity supply in the instance of a short circuit. The cross-section of the extension cable should be proportionate to its length; the longer it is, the greater its cross-section should be. 3 Operator The symbol on the front cover identifies the appliance’s intended operator (professional or non-professional). The delivery of the water intake tap should be equal to that of pump capacity. Improper use Use by unskilled persons or those who have not read and understood the instructions in the manual is forbidden. The introduction of inflammable, explosive and toxic liquids into the appliance is prohibited. Use of the appliance in a potentially inflammable or explosive atmosphere is forbidden. The use of non-original spare parts and any other spare parts not specifically intended for the model in question is prohibited. Make sure that the hose is at least Ø 13 mm and that it is reinforced. 1 English Adjusting the spray nozzle (for models with this feature) Water flow is adjusted by regulating the nozzle (E). [. . . ] 6 Refilling and using detergent When using detergent, the adjustable nozzle must be set on " " (on models with this feature). 5) Turn on water supply tap fully Check tightness of hose fittings Switch off the appliance and keep depressing and releasing the gun trigger until the water comes out in a steady flow. 3) Wait for correct water temperature to be restored Connect appliance to the mains water supply Reduce temperature Clean nozzle (fig. [. . . ]