Mark with a water-soluble marker on the glass the upper boundary of the liquid splash zone: dimension -a- = 420±50 mm. The setting dimension is measured from the nozzle.
Adjust the height of the spray area at the front of the nozzle -arrow-. Its spray zone does not correspond to the specified one, which means that the nozzle is dirty and needs to be cleaned.
Nozzle cleaning
Remove nozzle. Rinse the nozzle with clean water in the opposite direction. To remove residual dirt, the nozzle may only be blown in the opposite direction to spraying. If the spray area still does not correspond to the specified one, replace the nozzle.
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