Kärcher K 3.99 M User Manual
7
Step 1
Step 1
Step 1
Step 1
Step 1
Install the Vario spray wand. Set
the Vario spray wand to the low pressure
setting (–) by turning the wand collar. The
wand must be set in the low pressure (–)
position to apply detergents.
setting (–) by turning the wand collar. The
wand must be set in the low pressure (–)
position to apply detergents.
Step 2
Step 2
Step 2
Step 2
Step 2
Fill the detergent reservoir with
Kärcher detergent. Place the filter end of
detergent suction tube into the detergent
reservoir
detergent suction tube into the detergent
reservoir
Step 3
Step 3
Step 3
Step 3
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
is drawn into the unit and mixed with water.
Apply detergent to work area. Do not allow
detergent to dry on surface
Caution
Never use:
• Bleach, Chlorine products and other
corrosive chemicals
• Liquids containing solvents
(i.e., paint thinners, gasoline, oils)
• Tri-sodium phosphate products
• Ammonia products
• Acid-based products
These chemicals will harm the unit and will
damage the surface being cleaned.
damage the surface being cleaned.
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 you
must be operating at low pressure (–).
cleaning, you cannot apply detergents when working at high pressure. To apply detergents you
must be operating at low pressure (–).
For best
results see
Cleaning Tips
on pages 9 & 10
for specific
information on how to
clean different
surfaces.
results see
Cleaning Tips
on pages 9 & 10
for specific
information on how to
clean different
surfaces.
Always Use Karcher
Detergents for Best Results.
Detergents for Best Results.
Karcher biodegradable detergents
are“specially formulated to protect the
environment and your pressure washer.
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:
are“specially formulated to protect the
environment and your pressure washer.
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:
In USA Call:
1-800-537-4129
or visit our website:
www.karcher-usa.com
The following Karcher detergents are
available:
available:
One Gallon ready to use
One Gallon ready to use
One Gallon ready to use
One Gallon ready to use
One Gallon ready to use
• Vehicle Wash
• Vehicle Wash
• Degreaser
• All Purpose Cleaner • House Wash
• Deck Wash
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D e t e r g e n t C o n c e n t r a t e T a b l e t s
• Deck Wash
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D e t e r g e n t C o n c e n t r a t e T a b l e t s
D e t e r g e n t C o n c e n t r a t e T a b l e t s
D e t e r g e n t C o n c e n t r a t e T a b l e t s
D e t e r g e n t C o n c e n t r a t e T a b l e t s
D e t e r g e n t C o n c e n t r a t e T a b l e t s
(10 Pack; makes 1 1/4 gallon RTU product)
• All Purpose
(10 Pack; makes 1 1/4 gallon RTU product)
• All Purpose
• Degreaser
• Deck and patio
• Windows and Siding
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