K 2.7
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2
17
33
5.961-627.0 04/05
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MODEL OVERVIEW
1 On/OFF switch
12 Power cord with Ground Fault Circuit
Interrupter (GFCI)
13 Rack and hose hanger
ƽ CAUTION
This unit has been designed for use with
cleaning detergents recommended by
the manufacturer. The use of other
cleaning detergents may affect the op-
eration of the machine and void the war-
ranty.
2 Connector for detergent suction tube
3 High pressure outlet
4 Water inlet with garden hose
connector
5 Detergent suction tube with filter
6 Dirtblaster® (Rotating spray wand)
7 Vario Spray wand
8 Wash brush
9 Trigger gun
10 Trigger gun safety lock
11 High pressure hose
For household use only!
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IMPORTANT SAFETY INSTRUCTIONS
physical injuries to the operator and
ƽ WARNING
irreversible damage to the machine.
! To reduce the risk of electrocution,
keep all connections dry and off the
ground. Do not touch plug with wet
hands.
When using this product basic precau-
tions should always be followed, includ-
ing the following:
! Read all the instructions before us-
ing the product.
! The Trigger Gun Safety Lock PRE-
VENTS the trigger from accidentally
being engaged. This safety feature
DOES NOT lock trigger in the ON
position.
! To reduce the risk of injury, close su-
pervision is necessary when a prod-
uct is used near children.
! Know how to stop the product and
bleed pressures quickly. Be thor-
oughly familiar with the controls.
! Stay alert – watch what you are do-
ing.
! Do not use extension cord with this
unit.
SAVE THESE INSTRUCTIONS
! Do not operate the product when fa-
tigued or under the influence of alco-
hol or drugs.
! Keep operating area clear of all per-
sons.
! Do not overreach or stand on unsta-
ble support. Keep good footing and
balance at all times.
! Follow the maintenance instructions
specified in the manual.
! This Product Is Provided With A
Ground Fault Circuit Interrupter Built
Into The Power Cord Plug. If Re-
placement Of The Plug Or Cord Is
Needed, Use Only Identical Re-
placement Parts.
! Risk of Injection or Injury – Do Not
Direct Discharge Stream At Per-
sons.
! High pressure jets can be dangerous
if misused. The jet must not be di-
rected at persons, animals, electrical
devices, or the machine itself.
! Wear safety goggles.
! Do not use acids and solvents in this
product. These products can cause
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GROUND FAULT CIRCUIT
INTERRUPTER PROTECTION
WATER SUPPLY
(Cold Water Only)
This product is supplied with a Ground
Fault Circuit Interrupter (GFCI) built into
the power cord plug. This device pro-
vides additional protection from the risk
of electric shock. If power is interrupted
in the line, the GFCI will automatically
re-close the circuit to the load after pow-
er is restored. Depending on the GFCI
model, it may be necessary to manually
operate the reset button to restore pow-
er to the GFCI load circuit. If replace-
ment of the plug or cord is needed use
identical replacement parts.
ƽ CAUTION
When connecting the water inlet to the
water supply mains, local regulations of
your water company must be observed.
In some areas the unit must not be con-
nected directly to the public drinking wa-
ter supply. This is to ensure that there is
no feedback of chemicals into the water
supply. Direct connection via a receiver
tank or backflow preventer, for example,
is permitted.
Dirt in the feed water will damage the
unit. To avoid this risk, we recommend
fitting a water filter.
! Water hose must be at least 5/8 inch
in diameter.
SERVICING OF A DOUBLE-
INSULATED PRODUCT
In a double-insulated product, two sys-
tems of insulation are provided instead
of grounding. No grounding means is
provided on a double-insulated product,
nor should a means for grounding be
added to the product. Servicing a dou-
ble-insulated product requires extreme
care and knowledge of the system, and
should be done only by qualified service
personnel. Replacement parts for a
double-insulated product must be iden-
tical to the parts they replace. A double-
insulated product is marked with the
words “double-insulatIon” or “double-in-
sulated”. The symbol “®” may also be
marked on the product.
! Flow rate of water supply must not
fall below 2 GPM (gallons per minu-
te).
! Flow rate can be determined by run-
ning 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 sol-
vents, e.g. paint thinners, gasoline,
oil, etc.
! Always prevent debris from being
drawn into the unit by using a clean
water source.
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ASSEMBLY INSTRUCTIONS
" STEP 1, 2:
" STEP 3, 4:
" STEP 5, 6:
" STEP 7, 8:
" STEP 9:
" STEP 10:
Attach the high pressure hose to the
trigger gun. Pull out the locking slide
from the right side of the trigger gun
handle (A), and insert the small end
of the high pressure hose into place
(B). Push the locking slide back into
the trigger gun (C) to lock the hose in
position (D).
" STEP 11:
Connect the detergent suction tube
to the pressure washer.
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OPERATING INSTRUCTIONS
" STEP 1:
Connect the high pressure hose to
the unit’s high pressure outlet.
" STEP 4:
Connect garden hose to the cold wa-
ter source and turn water on comple-
tely. Plug the power cord into the
power outlet.
" STEP 2:
Insert the spray wand of your choice
to the trigger gun. Press in against
the spring tension and twist into
locked position.
" STEP 5:
Unlock the Safety lock. Trigger the
gun to eliminate trapped air, wait for
a steady flow of water to emerge
from the spray nozzle.
" STEP 3:
Connect garden hose to unit’s water
inlet.
" STEP 6:
Turn on the high pressure washer
(I).
The motor starts only if the trigger
of the gun is pulled and shuts off
when the trigger is released.
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GFCI INSTRUCTIONS
" STEP 1: Plug the Ground Fault Cir-
cuit Interrupter (GFCI) into a working
outlet.
" STEP 2: Press ’’TEST’’, then press
’’RESET’’ to assure proper connec-
tion to power.
2
1
Note: The actual appearance of the
GFCI may be different from this illus-
tration.
USING THE ACCESSORIES
ƽ WARNING
Dirtblaster®
To avoid serious injury never point
spray nozzle at yourself, other per-
sons or animals.
! This nozzle features a 0º pencil jet
which rotates 360º for maximum dirt
cutting action, effectively increasing
cleaning performance up to 50%.
This nozzle combines the cleaning
performance of a 0º pencil jet with
the surface coverage of a wide angle
nozzle.
Vario Power Spray Wand
! The Vario Power Spray Wand allows
you to adjust the cleaning pressure.
To clean at maximum pressure, the
wand must be positioned to the high
pressure setting (Max).
Not recommended for soft materi-
als, siding, painted surfaces,
decks or autos.
For lower pressure turn the wand
collar in the minus (Min) direction.
To apply detergent, the wand must
be positioned to the lower pressure
setting (Min).
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WORKING WITH DETERGENTS
Detergents can only be applied at
low pressure (Min.).
" STEP 1:
For best results see Cleaning Tips
for specific information on how to
clean different surfaces.
Install the vario power spray wand.
Set the spray wand to the low pres-
sure setting (Min.).
Always Use Kärcher Detergent for
Best Results
Kärcher biodegradable detergents are
specially formulated to protect the envi-
ronment and your pressure washer. The
special formula won’t clog the suction
tube filter and will protect the internal
parts of the pressure washer for a long-
er life. For Kärcher Detergents, check
your retailer or visit our website:
" STEP 2:
The following Kärcher detergents are
available:
Fill a container with Kärcher deter-
gent. Place the filter end of detergent
suction tube into the container.
One Gallon ready to use
! All Purpose & Vehicle Cleaner
! Deck Wash
! Heavy Duty Degreaser
! House Wash
ƽ 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.
" STEP 3:
Turn on the pressure washer (I).
Pull trigger to operate unit:
Liquid detergent is drawn into the
unit and mixed with water. Apply de-
tergent to work area. Do not allow
detergent to dry on surface.
" STEP 4:
Always draw fresh water through the
detergent suction tube when done,
to rinse/flush any remaining deter-
gents from the injection system.
English 9
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SHUTTING DOWN & CLEAN-UP
" STEP 1:
Turn the switch to OFF (0) position
and unplug cord from outlet.
" STEP 5:
Disconnect the high pressure hose
from the high pressure outlet.
" STEP 2:
Turn off the water source.
" STEP 3:
Press trigger to release water pres-
sure.
" STEP 6:
Release trigger and engage gun
safety lock.
" STEP 4:
Disconnect the garden hose from
the water inlet on the unit.
TAKING A BREAK ..five minutes or more
" STEP 1:
Release trigger and engage gun
safety lock.
" STEP 2:
Turn pressure washer to OFF (O)
position.
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WINTERIZING AND LONG-TERM STORAGE
" 1: Disconnect all water connections.
ƽ CAUTION
" 2: Turn on the machine for a few
seconds, until the water which had
remained in the pump exits, turn off
immediately.
" 3: Do not allow high pressure hose
to become kinked.
" 4: Store the machine and accesso-
ries in a room which does not reach
freezing temperatures. DO NOT
store near furnace or other sources
of heat as it may dry out the pump
seals.
Failure to follow the above directions
will result in damage to the pump as-
sembly and accessories.
Kärcher also recommends the regular
practice of using a pump protector like
“Kärcher Pump Protector” to help during
storage in the winter months.
CARE AND MAINTENANCE INSTRUCTIONS
Cleaning the water inlet filter
Cleaning the detergent inlet filter
Pull out the water inlet filter with flat-
nose pliers and rinse out in warm water.
Pull it out and rinse out in warm water.
Maintenance
The unit is maintenance-free.
CLEANING TIPS
gent to dry on surface. Rinse at high
pressure in a long sweeping motion
Deck Cleaning
(with or without detergent). Pre-rinse keeping the spray nozzle approximately
deck and surrounding area with fresh 3-6 inches from the cleaning surface.
water. If using Kärcher Deck Wash, ap- Always clean from top to bottom and
ply to surface at low pressure. For best from left to right. When moving on to a
results, limit your work area to smaller
sections of approximately 25 square
new section of the cleaning surface, be
sure to overlap the previous section to
feet. Allow Deck Wash to remain on sur- eliminate stop marks and ensure a more
face 1-3 minutes. Do not allow deter- even cleaning result.
English 11
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sults, clean one side of vehicle at a time
and always apply detergent from bottom
House Siding
(with or without detergent). Pre-rinse to top, do not allow detergent to dry on
cleaning surface with fresh water. If us- surface. If needed, use special wash
ing Kärcher Pressure Wash, apply to
surface at low pressure (for best results, move stubborn dirt. Rinse at high pres-
limit your work area to sections of ap- sure in a sweeping motion keeping the
proximately 6 feet and always apply de- spray nozzle approximately 6-8 inches
tergent from bottom to top). Allow from the cleaning surface (distance
brush attachment (not included) to re-
Pressure Wash to remain on surface 1- should increase when rinsing pin-strip-
3 minutes. Do not allow detergent to dry ing or other sensitive surfaces). Always
on surface, if surface appears to be dry- clean from top to bottom and from left to
ing, simply wet down surface with fresh right. For best results, wipe surface dry
water. If needed, use special wash
brush attachment (not included) to re-
move stubborn dirt. Rinse at high pres-
sure from top to bottom in an even
sweeping motion keeping the spray
nozzle approximately 6 inches from the
cleaning surface.
with a chamois or soft dry cloth.
Barbecue Grills, Outdoor Power
Equipment & Gardening Tools
(with or without detergent). Pre-rinse
cleaning surface with fresh water. If us-
ing Kärcher Pressure Wash or Degreas-
er, apply detergent at low pressure.
Allow Pressure Wash to remain on sur-
face 1-3 minutes.Do not allow detergent
to dry on surface. Rinse at high pres-
sure keeping the spray nozzle approxi-
mately 3-6 inches from the cleaning
surface. For removing extremely stub-
born dirt, it may be necessary to move
the spray nozzle even closer to the sur-
face for greater dirt cutting action.
Cement Patios, Brick and Stone
(with or without detergent). Pre-rinse
cleaning surface with fresh water. If us-
ing Kärcher Pressure Wash or Degreas-
er, apply to surface at low pressure. For
best results, limit your work area to
smaller sections of approximately 25
square feet. Allow Pressure Wash or
Degreaser to remain on surface 1-3
minutes. Do not allow detergent to dry
on surface. Rinse at high pressure in a
sweeping motion keeping the spray
nozzle approximately 3-6 inches from
the cleaning surface. Always clean from
top to bottom and from left to right. For
removing extremely stubborn stains,
use the Dirtblaster Nozzle.
Patio & Lawn Furniture
(with or without detergent). Pre-rinse
furniture and surrounding area with
fresh water. If using Pressure Wash, ap-
ply to surface at low pressure. Allow
Pressure Wash to remain on surface 1-
3 minutes. Do not allow detergent to dry
on surface. If needed use special Wash
Brush Attachment (not included) to re-
move stubborn dirt. Rinse at high pres-
sure in a sweeping motion keeping the
spray nozzle approximately 3-6 inches
from the cleaning surface. For best re-
Cars, Boats & Motorcycles
(with or without detergent). Pre-rinse
vehicle with fresh water. If using Kärch-
er Touchless Vehicle Wash, apply to
surface at low pressure. For best re-
12 English
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sults, clean from top to bottom and from ! If painted surfaces are peeling or
left to right.
chipping, use extreme caution as
pressure washer may remove the
loose paint from the surface.
Recommendations
! Before cleaning any surface an in-
conspicuous area should be cleaned
to test spray pattern and distance for
maximum cleaning results.
! When using on surfaces which might
come in contact with food, flush sur-
faces with plenty of drinking water.
! For additional cleaning tips, visit our
OPTIONAL CLEANING ACCESSORIES
Optional accessories are available to
equipment hose and machine up to
further enhance your cleaning capabili- 2500 psi.
ties. These accessories are accurate as Part No. 2.640-850.0
of the printing date of this manual. Plea-
66" Extension Wand (Four piece)
usa.com for pricing and up-to-date infor- Need to clean second story windows or
mation.
other high areas? Increase the reach of
your pressure washer by up to 66" with
this extension kit. Includes 4 aluminum
sections for variable length. 66" fully as-
Pump Guard
Specially formulated to protect your
pressure washer from freezing, corrosi- sembled. Fits most Karcher pressure
on and premature wear. The Pump
Guard also adds lubrication to valves
and seals to prevent sticking. Highly re-
commended for all Karcher pressure
washers!
washers up to 2300 PSI. (bayonet)
Part No. 2.640-746.0
Rotating Wash Brush (bayonet)
For more effortless cleaning of all
smooth surfaces (painted, glass and
plastic) try Karcher's Rotating Wash
Brush. Use it on your automobile, house
siding or windows. The water pressure
Part No. 9.558-998.0
Water Pumping Kit
Attach this accessory to your pressure
washer to quickly pump large quantities from your pressure washer causes the
of water out of a standing source, such inner brushes to gently spin, making
as a barrel or bucket. Fits most Karcher your cleaning job much easier. The ang-
pressure washers up to 2300 PSI.
Part No. 2.637-214.0
le of brush head is adjustable to help
you reach difficult areas. Excellent for
the application of detergent. A must-
have accessory designed for Karcher
pressure washers up to 2300 PSI.
(bayonet)
25 Ft. Extension /Replacement
High-Pressure Hose
Replacement hose fits Kärcher pressu-
re washer with screw-on type gun con-
nections from 2400psi to 2500psi,
Extension Hose for all Kärcher high
pressure washers between the original
Part No. 2.640-743.0
English 13
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rectly to the trigger gun. Fits most Kar-
cher pressure washers up to 2300 PSI.
Soft Clean Washing Brush
Made with soft bristles that will not harm (bayonet)
painted surfaces. Easily attaches direct- Part No. 6.964-507.0
ly to the trigger gun. Ideal for stubborn
T-Racer Wide Area Surface Clea-
dirt on cars, boats, patio furniture and
other surfaces. Great for applying deter-
gent. Fits most Karcher pressure was-
hers up to 2300 PSI. (bayonet)
Part No. 2.640-740.0
ner
For cleaning surfaces such as patios,
terraces and driveways without splash-
back, there is no better solution than
Karcher's T-Racer. It saves time by cle-
aning a 12" wide area gently as it ho-
vers, providing consistent, streak-free
cleaning. When you finish cleaning the
patio and driveway, remove the wand
and use the handle to clean garage
doors and other vertical surfaces. Inclu-
des two height-adjustable nozzles
which spin at high speed for optimum
results. Our top selling accessory for
Karcher pressure washers up to 2300
PSI. (bayonet)
25 ft. Pipe Cleaning Kit (bayonet)
Need to clean blocked pipes, drains or
downspouts? Karcher's pipe cleaning
kit is the answer! The pipe cleaner pro-
pels itself forward while simultaneously
flushing out debris. For example, insert
the cleaning nozzle in the base of a
downspout, pull the trigger on the pres-
sure washer gun and watch as the
nozzle shoots out leaves and other de-
bris while climbing upward. Connects
directly to the trigger gun of most Kar-
cher pressure washers up to 2300 PSI.
(bayonet)
Part No. 2.640-508.0
Kärcher Customer Support USA
Part No. 2.640-747.0
Call: 1-800-537-4129 for help or visit
our website: www.karcher-usa.com
Wet Sandblasting Kit (bayonet)
Why spend hours stripping old paint and
rust by hand using harsh chemicals?
Let Karcher's Wet Sandblasting Kit do
the work! Attach the kit to your pressure
washer, add abrasive material and at-
tack the rust and paint with our eco-fri-
endly alternative. Fits most Karcher
pressure washers up to 2300 PSI.
(bayonet)
Part No. 2.638-792.0
Detergent Foamer Attachment
Ideal for applications which require a
thick foam. Simply fill the resevoir cup
with liquid pressure washer detergent to
generate a foam spray. Connects di-
14 English
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TROUBLESHOOTING
ƽ CAUTION
Disconnect the machine from the power
source before making any repair.
Symptom
Motor will not start On/Off switch is in the “OFF” Turn switch to the “ON” (I)
(O) position. position
Power cord is not plugged in. Plug in power cord.
Cause
Solution
Electrical outlet does not
supply adequate power.
Try a different outlet.
Tripped circuit breaker.
Switch off pressure washer.
GFCI will reset once the tem-
perature of the unit drops.
Unit does not reach Diameter of garden hose is Replace with a 5/8 inch gar-
high pressure.
too small.
den hose.
Water supply is restricted.
Check garden hose for
kinks, leaks and blockage.
Not enough inlet water sup- Open water source full force.
ply.
Water inlet filter is clogged. Remove filter and rinse out
in warm water.
Spray wand is on low pres- Turn spray wand to high
sure position.
pressure position.
Output pressure
Not enough inlet water sup- Turn water on full force.
varies high and low. ply.
Check garden hose for
kinks, leaks or blockage.
Pump is sucking air.
Check that hoses and fittings
are air tight. Turn off ma-
chine and purge pump by
squeezing trigger gun until a
steady flow of water emerg-
es through the nozzle.
Water inlet filter is clogged. Remove filter and rinse out
in warm water.
Discharge nozzle is obstruct- Blow out or remove debris
ed.
Calcified gun, hose or spray Run distilled vinegar through
wand. detergent suction tube.
with a fine needle.
English 15
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Symptom
Cause
Solution
No detergent.
Detergent suction tube not
properly connected to the
machine.
Check connection.
Detergent is too thick.
Dilute detergent, for best re-
sults use Kärcher detergent.
Filter on detergent suction
tube is clogged.
Run warm water through fil-
ter to remove debris.
Damaged or clogged deter- Remove obstruction or re-
gent suction tube. place detergent suction tube.
Spray wand is in high pres- Turn spray wand tip to low
sure position. pressure position.
Discharge nozzle is obstruc- Blow out or remove debris
ted.
with fine needle.
Garden hose con- Loose fittings.
Tighten fittings.
nection leaks.
Missing/worn rubber washer. Insert new washer.
Spray wand leaks. Spray wand not properly at- Insert the spray wand into
tached.
the trigger gun. Carefully
press in against the spring
tension and twist into the lok-
ked position.
Broken o-ring or plastic in-
sert.
Call Customer Support
Pump is noisy.
Pump is sucking air.
Check that hoses and fittings
are air tight. Turn off machi-
ne and purge pump by
squeezing trigger gun until a
steady flow of water emer-
ges through the nozzle.
Water leaks from
pump (up to 10
drops per minute is
permissible).
Loose fittings.
Check that all fittings are
tight.
Water seals are damaged or Call Customer Support
worn.
Oil Drip.
Oil seals are damaged or
worn.
Call Customer Support
Kärcher Customer Support USA
Call: 1-800-537-4129 for help or visit
our website: www.karcher-usa.com
If you encounter any additional difficul-
ties not listed, please call for help.
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