Kärcher K12 User manual

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-2
Assembly Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Operating Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Normal Operating Settings . . . . . . . . . . . . . . . . . . . . . . . .5
Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
K12 Surface Cleaner
High Pressure Washer Accessory
In USA Call:
1-800-537-4129
or visit our website:
www.karcher-usa.com
Part No. 2.640-238.0

1
NEVER!
K12 SURFACE CLEANER OVERVIEW
Item Description
1. Housing
2. Pressure nozzles (gray) from 1200 - 1600 PSI
3. Pressure nozzles (yellow) from 1700 - 2300 PSI
4. Handle (2 piece)
5. Hand grip
6. Nozzle height adjustment
7. Air flow control (hovering effect)
2
1
4
6
Never point nozzle at people or animals.
Never drink alcohol or use drugs while operating this equipment.
Never spray electrical connections, electrical outlets or fixtures.
Never touch hot surfaces or allow accessories to contact hot surfaces.
Never operate pressure washer without the water turned on.
Never use hot water.
7
3
5
2
IMPORTANT PRECAUTIONS – Read First!
Safety Warnings
When using this product, basic
precautions should always be followed:
• Read all the instructions before using
the product.
• High pressure jets can be dangerous
if subject to misuse. The jet must not
be directed at persons, animals,
electrical devices, or the machine itself.
• Wear safety goggles.
• Keep hands away
from moving parts.
• Do not use acids, alkalines, solvents, or
any flammable material in this product.
These products can cause physical
injuries to the operator and irreversible
damage to the machine.
• Stay alert — watch what you are doing.
• Do not operate the product when
fatigued or under the influence of
alcohol or drugs.
• Do not stand on unstable surfaces. Stand
with both feet balanced at all times.
• The Gun Safety Lock PREVENTS
the trigger from accidentally being
engaged. This safety feature DOES
NOT lock trigger in the on position.
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.
•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.
CAUTION
• Follow the
maintenance
instructions
specified in
the manual.
• This machine has
been designed for
use with cleaning
detergents supplied
or recommended by
the manufacturer. The
use of other cleaning
detergents may affect
the operation of the
machine and void the
warranty.
• Keep hands away from
moving parts
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.
Please Note:
•For optimum setting
test the spray power
in an unseen area.
•Never operate in the
same area for more
than 2 seconds,
damage may occur
•Do not use on
windows..
WARNING
TO AVOID SERIOUS INJURY,
NEVER POINT SPRAY NOZZLE
AT YOURSELF, OTHER PER-
SONS OR ANIMALS.
In USA Call:
1-800-537-4129
or visit our website: www.karcher-usa.com
GRAY YELLOW

ASSEMBLY INSTRUCTIONS OPERATION CONTROLS
Spray Power Adjust height of propeller spray
head. Clockwise for wood surfaces counter clockwise
for stone, concrete and tile.
Air Flow Control Adjust the hover effect of the K12
Surface Cleaner by pushing the Air Flow Control into one of
the positions from 0 –1. The lowest position is 0 and the high-
est position is 1.
3
Step 2 Insert the 2
matching pressure nozzles
in the slots on the propeller.
Step 7 Turn locking
collar clock-wise over
pressure washer wand until
tight.
Step 4 Insert lower handle
into main housing. Push down
and turn clockwise 90°to lock
in lower handle.
Step 5 Tighten lock
collar to assemble by twist-
ing counter clockwise.
Step 6 Insert pressure
washer wand into upper
|handle. Push wand down
over upper handle and twist
clock-wise 1/4 turn into
locked position.
Step 3 Insert upper
handle into the lower
handle by twisting
together.
Step1 Determine the PSI of your pressure washer.
1200 –1600 PSI, Select the gray nozzles
1700 –2300 PSI, Select the yellow nozzles.
3
GRAY YELLOW
Please Note:
•For optimum setting test the spray power in an unseen area.
•Never operate in the same area for more than 2 seconds, damage may occur
•Do not use on windows..

PARTS LIST
5
In USA Call:
1-800-537-4129
or visit our website: www.karcher-usa.com
NORMAL OPERATION SETTINGS
6
Horizontal Wood and Decks
Adjust height of the spray head clockwise. Open (0) the air flow vents.
Vertical Wood, Siding and Facades
Adjust height of the spray head clockwise. Close (1) the air flow vents. Do not use on windows.
Horizontal Tile, Concrete and Stone
Adjust height of the spray head counter clockwise. Open (0) the air flow vents.
Vertical Tile, Concrete and Stone
Adjust height of the spray head Counter clockwise. Close (1) the air flow vents.
6.362-577.0
4.760-495.0 2.883-111.0
4.760-494.0
5.310-129.0
6.321-160.0
5.332-464.0
2.883-111.0
5.311-212.0
7.303-092.0
5.321-696.0
2.883-963.0
6.369-738.0
2.683-965.0
6.621-160.0
5.394-661.0
4.764-152.0
GRAY
4.764-152.0
YELLOW
2.883-963.0
2.883-963.0
7.343-206.0