Karcher K 3.97 M - Manual (Page 4)

4
Water Supply (Cold Water Only)
• Water hose must be at least 3/4 inch in
diameter.
• Flow rate of water supply must not fall
below 2.5 GPM (gallons per minute).
• Flow rate can be determined by running
the water for one minute into an empty“
5-gallon container.
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IMPORTANT PRECAUTIONS – continued
PRECAUTIONS
• The water supply temperature must not
exceed 104°F/40°C.
• Never use the pressure washer to draw
in water contaminated with solvents, e.g.
paint thinners, gasoline, oil, etc.
• Always prevent debris from being drawn
into the unit by using a clean water source.
• Save these instructions!
ASSEMBLY INSTRUCTIONS
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