5Operation with high pressure• The appliance is equipped with apressure-operated switch. The motorstarts only if the lever of the gun ispulled.• The safety ratchet does not lock thetrigger of the gun during operation butonly prevents it from opening uninten-tionally.• To avoid any risk of damage to the sur-face beeing cleaned, when the machi-ne is in use, it is recommended that aminimum distance of 300 mm be keptbetween the surface and the spraynozzle.The machine should not be used toclean surfaces that are already dama-ged or worn e.g. flaking or scratchedpaintwork, crumbling brickwork orconcrete etc.