Low Pressure Operation With Brush - Kärcher B 402 User Manual

4.3 Low Pressure Operation with Brush

When cleaning surfaces with a grease contamination - typically car
paintwork that always has a greasy traffic film covering. Follow the
procedure of:
• Washing loose dirt away with the clean water high pressure spray.
• Apply the detergent in low pressure mode by removing the bayonet fit
spray lance and fitting the Rotating Wash Brush to the Spray Gun.
• Leave for 2-4 minutes for the detergent to have maximum effect.
• With or without the pressure washer switched on, brush down the
surface being cleaned, this physical agitation removes all trace of
traffic film. Finally revert to the high pressure operation with the Spray
Lance and complete the wash down.
We recommend the following cleaning method:
Step 1:
Remove loose dirt by washing over the surface to be cleaned with the
high pressure jet.
Step 2:
Spray on the detergent and leave for 1-4 minutes, so assisting the easy
removal of fine dirt and associated greasy adhesions.
Step 3:
Finally, spray off the loosened dirt with the high pressure spray.
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