High Pressure Operation - Kärcher 397 M plus Operating Instructions Manual

4.1 High Pressure Operation

• Ensure the Spray Lance with Vario Power Nozzle (No. 6) or the Spray
Lance with Dirt Blaster (No. 12) are attached securely to the Spray Gun
(No. 8).
• Set vario power nozzle to high pressure mode
"+".
• Aim the lance towards the object to be cleaned making sure the
recommended working distance is used for reference (See Page 9).
Release the safety ratchet on the Spray Gun and squeeze the trigger.
• Switch on the pressure washer (No. 2)
The pressurised water jet alone is capable of fulfilling most
cleaning tasks around the garden or on building work but
detergent and wash brush are advantageous when cleaning
vehicles or other paint finishes.
4.2 Low Pressure Operation
• Dilute the detergent in a suitable container to the required concentra-
tion before using. (The correct dilution is dependent on the degree of
soiling of surface and is best determined by experience).
• Hang the Detergent Suction Tube (No. 1) in the
Detergent Container.
• Set Vario Power Nozzle to low pressure mode "–".
Note: No detergent in high pressure mode
Note: the Dirt Blaster (No. 12) is not for use in low pressure operati-
on.
• Aim the Spray Gun towards the object to be cleaned, release the
Safety Ratchet on the Spray Gun and squeeze the trigger to apply
the detergent to the working area.
• Switch on the pressure washer (No. 2)
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