User manual MAKITA MS250.4

[. . . ] cONTAMINATION HAZARD Maintenance and/or repair of electrical components MUST be carried out by qualified staff. 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. [. . . ] - Safety valve and/or pressure limiting valve. The safety valve is also a pressure limiting valve. When the gun trigger is released, the valve opens and the water recirculates through the pump inlet. 4 Safety signs Comply with the instructions provided by the safety signs fitted to the appliance. Check that they are present and legible; otherwise, fit replacements in the original positions. E1 sign – Indicates that the appliance must not be disposed of as municipal waste; it may be handed in to the dealer on purchase of a new appliance. The appliance's electrical and electronic parts must not be reused for improper uses since they contain substances which constitute health hazards. 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. When dealing with vertical surfaces work from the bottom upwards. Leave the detergent to act for 1-2 minutes but do not allow the surface to dry. Starting from the bottom, use the high pressure jet at a minimum distance of 30 cm. Do not allow the rinse water to run onto unwashed surfaces. In some cases, scrubbing with brushes is needed to remove dirt. The finest adjustable nozzle jet setting or the rotating nozzle should not be used on delicate or painted parts, or on pressurised components (e. Effective washing depends on both the pressure and volume of the water used, to the same degree. Adjusting the detergent pressure Set the adjustable nozzle (E) on " " to deliver detergent at the correct pressure (on models with this feature). Adjusting the pressure (on models with this feature) The regulator (G) is used to adjust the working pressure. The pressure is shown on the pressure gauge (where fitted). Set the starter device switch on (OFF/0) to shut down the appliance. [. . . ] 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. turn the adjustable nozzle (E) (+) (fig. 3) Wait for correct water temperature to be restored Connect appliance to the mains water supply Reduce temperature Clean nozzle (fig. [. . . ]