Karcher K 2.90 M - Manual (Page 7)

7
For best results see Cleaning Tips on pages 9 & 10 for specific information on
how to clean different surfaces.
Always Use Karcher Detergents for Best Results.
Karcher biodegradable detergents are specially formulated to protect the environment and your
pressure washer. Our special formula won’t clog the suction tube filter and will protect the internal
parts of the pressure washer for a longer life. For Karcher Detergents, check your retailer or call:
WORKING WITH DETERGENTS
Karcher pressure washers operate only at two pressures. The high pressure setting is used
for cleaning, you cannot apply detergents when working at high pressure. To apply detergents
the washer must be operating at low pressure (Min).
Step 3 Turn on the pressure washer.
Pull trigger to operate unit: Liquid detergent
is drawn into the unit and mixed with water.
Apply detergent to work area. Do not allow
detergent to dry on surface.
Step 2
Fill a container with Kärcher
detergent. Place the filter end of detergent
suction tube into the container.
Caution
Never use:
• Bleach, Chlorine products and other
corrosive chemicals
• Liquids containing solvents
(i.e., paint thinner, gasoline, oils)
• Trisodium phosphate products
• Ammonia products
• Acid-based products
These chemicals will harm the unit and
will damage the surface being cleaned.
The following Karcher detergents are
available:
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One Gallon ready to use
• Vehicle Wash • Degreaser
• All Purpose Cleaner • House Wash
• Deck Wash
-------------------------------------------------
Detergent Concentrate Tablets:
(10 Pack; makes 1 1/4 gallon RTU product)
• All Purpose • Degreaser
• Deck and patio • Windows and Siding
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In USA call:
800-537-4129
or visit our website:
www.karcher-usa.com
Step 1
Install the Wash Brush or Vario spray wand. Set the Vario spray wand to
the low pressure setting (Min) by turning the wand collar. The wand must be set in
the low pressure position to apply detergents.