Karcher Pressure Washer K 27 User Manual

K 2.7  
English  
Español  
Français  
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  
4 English  
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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.  
English 7  
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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  
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-  
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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  
If you encounter any additional difficul-  
ties not listed, please call for help.  
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