Kärcher K 3.540 Manuel utilisateur

English 3

Français 21

Español 42

59642330 (03/11)

K 3.540

HIGH PRESSURE WASHER - OPERATOR MANUAL

NETTOYEUR HAUTE PRESSION - MANUEL D'UTILISATION

MANUAL DE USUARIO DEL LIMPIADOR DE ALTA PRESIÓN

2 English

DANGER

indicates “an imminently hazardous sit-

uation which, if not avoided, will result

in death or serious injury.”

WARNING

indicates “a potentially hazardous situ-

ation which, if not avoided, could result

in death or injury.”

CAUTION

indicates “a potentially hazardous situ-

ation which, if not avoided, may result

in minor or moderate injury or in prop-

erty damage incidents.”

For household use only!

The owner and/or user must have an

understanding of the manufacturer’s

operating instructions and warnings

before using this pressure washer.

Warning information should be empha-

sized and understood.

If the operator is not fluent in English,

the manufacturer’s instructions and

warnings shall be read to and dis-

cussed with the operator in the opera-

tor’s native language by the purchaser/

owner, making sure that the operator

comprehends its contents.

Owner and/or user must study and

maintain for future reference the man-

ufacturers’ instructions.

In the U.S. or Canada, please call

1-800-537-4129 for warranty issues

and visit www.karcher-help.com for

technical support and product assis-

tance.

Please take a moment to register your

pressure washer online at

www.karcher-register.com. Be sure

to save your purchase receipt, it will be

required for repairs covered by warranty.

Call: 01-800-024-13-13 for help or visit

our website: www.karcher.com.mx

HIGH PRESSURE WASHER OPERATOR MANUAL

MODEL OVERVIEW . . . . . . . . . .3

IMPORTANT SAFETY INSTRUC-

TIONS . . . . . . . . . . . . . . . . . . . . . .4

ASSEMBLY INSTRUCTIONS . . .6

OPERATING INSTRUCTIONS . . .8

USING THE ACCESSORIES . .10

WORKING WITH DETERGENTS . .11

TAKING A BREAK ..five minutes or

more. . . . . . . . . . . . . . . . . . . . . . .12

SHUTTING DOWN & CLEAN-UP . .13

WINTERIZING AND LONG-TERM

STORAGE . . . . . . . . . . . . . . . . .14

CARE AND MAINTENANCE IN-

STRUCTIONS . . . . . . . . . . . . . .14

CLEANING TIPS . . . . . . . . . . . .15

OPTIONAL CLEANING ACCESSO-

RIES . . . . . . . . . . . . . . . . . . . . . .17

TROUBLESHOOTING . . . . . . .19

Safety Alert Symbols

Specifications

Max. Pressure 1800 PSI

Max. Water Flow 1.5 GPM

Amp draw 13 AMPS

Voltage 120 V

Part No. 1.603-100.0

Serial no.

Owner/User Responsibility

Customer Support

USA and Canada

Customer Support

Mexico

English 3

1 Garden hose connector (female)

2 Quick coupling for high pressure

hose

3 High pressure hose

4 Water inlet with connector

5 ON/OFF switch

6 Dosage regulator for detergent

7 Transport handle

8 Screws (Philips style)

9 Storage for high-pressure hose

10 Detergent suction tube with filter

and cap

11 Detergent tank

12 Storage hook for mains connection

cable

13 Accessory storage

14 Power cord with Ground Fault Cir-

cuit Interrupter (GFCI)

15 Wheels

16 Trigger gun

17 Lock trigger gun

18 Key to detach the high pressure

hose from the trigger gun

19 Dirtblaster ® (Rotary spray wand)

20 Vario Power Spray wand

MODEL OVERVIEW

4 English

WARNING

When using this product basic precau-

tions should always be followed, in-

cluding the following:

To reduce the risk of injury, close

supervision is necessary when a

product 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 operate the product when fa-

tigued or under the influence of al-

cohol 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 instruc-

tions 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 replace-

ment parts.

WARNING

Risk of Injection or Injury – Do Not

Direct Discharge Stream At Per-

sons.

High pressure jets can be danger-

ous if misused. The jet must not be

directed at persons, animals, elec-

trical devices, or the unit itself.

Wear safety goggles.

WARNING

Risk Of Explosion – Do not spray

flammable liquids.

Do not use acids, alkaline, solvents,

or any flammable material in this

product. These products can cause

physical injuries to the operator and

irreversible damage to the machine.

CAUTION

Gun Kicks Back – Hold with both

hands.

The Trigger Gun Safety Lock pre-

vents the trigger from accidentally

being engaged. This safety feature

DOES NOT lock trigger in the ON

position.

WARNING – Risk of Electrocu-

tion

Inspect cord before using – Do not

use if cord is damaged.

Keep all connections dry and off the

ground.

Do not touch plug with wet hands.

Do not use extension cord with this

product.

Connect to individual branch circuit

only.

CAUTION

This unit has been designed for use

with cleaning detergents recommend-

ed by the manufacturer. The use of

other cleaning detergents may affect

the operation of the machine and void

the warranty.

WARNING

Do not spray electrical apparatus and

wiring.

Do not use with flammable liquids and

toxic chemicals.

Injection hazard: equipment can cause

serious injury if the spray penetrates

IMPORTANT SAFETY INSTRUCTIONS

English 5

the skin. do not point the gun at anyone

or any part of the body. In case of pen-

etration seek medical aid immediately.

This system is capable of producing

12400 kPa /1800 PSI to avoid rupture

and injury, do not operate this pump

with components rated less than

12400 kPa /1800 PSI working pres-

sure (including but not limited to spray

guns, hose and hose connections).

Before servicing, cleaning or removing

any parts, shut off power and relieve

pressure.

This product must be grounded. If it

should malfunction or breakdown,

grounding provides a path of least re-

sistance for electric current to reduce

the risk of electric shock. This product

is equipped with a cord having an

equipment-grounding conductor and a

grounding plug. The plug must be

plugged into an appropriate outlet that

is properly installed and grounded in

accordance with all local codes and or-

dinances.

DANGER

Improper connection of the equipment-

grounding conductor can result in a

risk of electrocution. Check with a qual-

ified electrician or service personnel if

you are in doubt as to whether the out-

let is properly grounded. Do not modify

the plug provided with the product - if it

will not fit the outlet, have a proper out-

let installed by a qualified electrician.

Do not use any type of adapter with this

product.

This pressure washer is provided with

a ground-fault circuit-interrupter (GF-

CI) built into the plug of the power-sup-

ply cord. This device provides

additional protection from the risk of

electric shock. Should replacement of

the plug or cord become necessary,

use only identical replacement parts

that include GFCI protection.

CAUTION

When connecting the water inlet to the

water supply mains, local regulations

of your water company must be ob-

served. In some areas the unit must

not be connected directly to the public

drinking water supply. This is to ensure

that there is no feedback of chemicals

into the water supply. Direct connec-

tion via a receiver tank or backflow pre-

venter, for example, is permitted.

Dirt in the feed water will damage the

unit. To avoid this risk, we recommend

fitting a water filter.

Garden hose must be at least 1/2

inch or 5/8 inch in diameter.

Flow rate of water supply must not

fall below 2 GPM (gallons per min-

ute).

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, gaso-

line, oil, etc.

Always prevent debris from being

drawn into the unit by using a clean

water source.

GROUNDING INSTRUCTIONS

GROUND FAULT CIRCUIT IN-

TERRUPTER PROTECTION

WATER SUPPLY

(Cold Water Only)

6 English

For more detailed information on

how to assemble this pressure

washer, please visit

www.karcherresidential.com/as-

sembly

APhilips Screwdriver, medium

size (not supplied)

for final assembly

Mount loose parts delivered with appli-

ance prior to start-up.

STEP 1:

Insert the wheel into the body, rotat-

ing the wheel as you push it into

place. You should hear a click when

the wheel is completely inserted.

Secure with the enclosed plug,

watch for positioning of plug..

Before assembling the handle you

need to place the tubes of the deter-

gent regulator between handle and

machine body.

STEP 2:

Attach detergent hose to the fitting,

as indicated below.

Slide the transport handle into the

guide and secure it with 2 screws.

ASSEMBLY INSTRUCTIONS

Required tools

Assembly

Install wheels

Install the transport handle

English 7

STEP 3:

Insert detergent suction tube onto

the hose fitting.

Install the dosage regulator and

connect using 2 screws.

Note: During installation you must

make sure that the tongues of the

dosage regulator match up with the

intended recesses in the casing.

STEP 4:

Push the high pressure hose into

the trigger gun until it locks audibly.

Note: Make sure the connection

nipple is aligned correctly.

Check the secure connection by

pulling on the high pressure hose.

Disconnect:

Press the disconnect key on the

trigger gun and remove the high

pressure hose from the trigger gun.

Install the dosage regulator for de-

tergent

Connect the high pressure hose to

the hand spray gun

8 English

This pressure washer has been tested

by Kärcher's quality assurance team. A

small amount of water may be present

in the water inlet or outlet. This is nor-

mal and will not affect the performance

of the pressure washer.

STEP 1:

Insert the spray wand of your

choice into the trigger gun. Press in

against the spring tension and twist

into locked position.

STEP 2:

Insert the high pressure hose tightly

into the quick coupling on the appli-

ance, it will lock in audibly.

Note: Make sure the connection

nipple is aligned correctly.

Check the secure connection by

pulling on the high pressure hose.

Disconnect:

Push the casing of the quick cou-

pling for the high pressure hose to-

ward the rear and disconnect the

high pressure hose from the appli-

ance.

STEP 3:

Install the supplied connector to the

unit’s water inlet.

Note: Never attach the garden

hose connector to the unit’s water

inlet!

STEP 4:

Screw the supplied garden hose

connector on to the end of your gar-

den hose. Push the garden hose

connector on to the water inlet con-

nector and make sure you hear it

click into place before proceeding.

OPERATING INSTRUCTIONS

English 9

STEP 5:

Connect garden hose to the cold

water source and turn water on

completely.

STEP 6:

Plug the Ground Fault Circuit Inter-

rupter (GFCI) into a receptacle.

Press RESET button, indicator

should be “ON”.

Press TEST button, indicator

should be “OFF”.

Press RESET button for use.

We recommend that you test the

GFCI as part of your startup proce-

dure each time you use your pres-

sure washer. To learn how to

peform this test on your unit, visit

http://www.karcherresidential.com/

gfci_test.php for detailed instruc-

tions for your type of GFCI.

WARNING

Do not use if above test fails.

STEP 7:

Unlock the trigger gun safety lock.

Trigger the gun to eliminate trapped

air, wait for a steady flow of water to

emerge from the spray nozzle.

STEP 8:

Turn on the high pressure washer

(I/ON).

The motor starts only if the trig-

ger of the gun is pulled and shuts

off when the trigger is released.

10 English

WARNING

To avoid serious injury never point

spray nozzle at yourself, other per-

sons or animals.

Always test an inconspicuous area

before cleaning with high pressure.

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).

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 (Mix).

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 an-

gle nozzle.

Not recommended for soft mate-

rials, siding, painted surfaces,

decks or autos.

Before cleaning any surface an in-

conspicuous area should be

cleaned to test spray pattern and

distance for maximum cleaning re-

sults.

USING THE ACCESSORIES

Vario Power Spray Wand

Dirtblaster ®

English 11

Detergents can only be applied at

low pressure setting (Mix).

STEP 1:

Install the Vario Power Spray

Wand. Set the spray wand to the

low pressure setting (Mix).

STEP 2:

Fill the detergent tank with Karcher

detergent and position the tank into

its storage area. Insert the suction

tube with filter into the tank and

close it with the cap.

STEP 3:

Adjust the suction volume of the de-

tergent solution by means of the

dosage regulator for detergents.

STEP 4:

Turn on the pressure washer (I).

Pull trigger to operate unit. Liquid

detergent is drawn into the unit and

mixed with water. Apply detergent

to work area. Do not allow deter-

gent to dry on surface.

STEP 5:

To rinse, move the VPS out of „Mix“

position and pull trigger to operate

unit.

STEP 6:

Cleaning up: Always draw fresh

water through the detergent tank or

siphon tube when done to flush any

remaining detergents from the in-

jection system.

For best results see Cleaning Tips

for specific information on how to

clean different surfaces.

Always Use Kärcher ® Detergent for

Best Results

Kärcher ® biodegradable detergents

are specially formulated to protect the

environment and your pressure wash-

er. The special formula won’t clog the

suction tube filter and will protect the

internal parts of the pressure washer

for a longer life. For Kärcher ® Deter-

gents, check your retailer or visit our

website:

www.buykarcher.com

WORKING WITH DETERGENTS

12 English

CAUTION

Never use:

–Bleach, Chlorine products and oth-

er 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.

Use of these items will void the war-

ranty.

STEP 1:

Release trigger and engage gun

safety lock.

STEP 2:

Turn pressure washer to OFF (0)

position.

TAKING A BREAK ..five minutes or more

English 13

STEP 1:

Turn the switch to OFF (0) position

and unplug cord from outlet.

STEP 2:

Turn off the water source.

STEP 3:

Press trigger to release water pres-

sure.

STEP 4:

Release trigger and engage gun

safety lock.

STEP 5:

Disconnect the garden hose from

the water inlet on the unit.

Caution: When disconnecting the

supply or high pressure hose, warm

water may leak from the connec-

tions after operation.

SHUTTING DOWN & CLEAN-UP

14 English

1: Disconnect all water connec-

tions.

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.

CAUTION

Failure to follow the above directions

will result in damage to the pump as-

sembly and accessories and will void

the warranty.

Kärcher

® also recommends the regular

practice of using a pump protector like

“Kärcher

® Pump Guard” to prevent

cold weather damage during storage in

the winter months.

STEP 1:

Pull out water inlet filter with flat-

nose pliers.

STEP 2:

Rinse out water inlet filter in warm

water.

STEP 3:

Reinsert water inlet filter.

The unit is maintenance-free.

WINTERIZING AND LONG-TERM STORAGE

CARE AND MAINTENANCE INSTRUCTIONS

Cleaning the water inlet filter

Maintenance

English 15

CAUTION

Before cleaning any surface an in-

conspicuous area should be

cleaned to test spray pattern and

distance for maximum cleaning re-

sults.

If painted surfaces are peeling or

chipping, use extreme caution as

pressure washer may remove the

loose paint from the surface.

When using on surfaces which

might come in contact with food,

flush surfaces with plenty of drink-

ing water.

For additional cleaning tips and a

complete video library, visit our

website:

www.karcherresidential.com

(with or without detergent). Pre-rinse

deck and surrounding area with fresh

water. If using detergent, apply to sur-

face at low pressure. For best results,

limit your work area to smaller sections

of approximately 25 square feet. Allow

detergent to remain on surface 1-3

minutes. Do not allow detergent to dry

on surface. Rinse at high pressure in a

long 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. When moving on to a new sec-

tion of the cleaning surface, be sure to

overlap the previous section to elimi-

nate stop marks and ensure a more

even cleaning result.

(with or without detergent). Pre-rinse

cleaning surface with fresh water. If us-

ing detergent, apply to surface at low

pressure (for best results, limit your

work area to sections of approximately

6 feet and always apply detergent from

bottom to top). Allow detergent to re-

main on surface 1-3 minutes. Do not

allow detergent to dry on surface, if

surface appears to be drying, simply

wet down surface with fresh water. If

needed, use special wash brush at-

tachment (not included) to remove

stubborn dirt. Rinse at high pressure

from top to bottom in an even sweep-

ing motion keeping the spray nozzle

approximately 6 inches from the clean-

ing surface.

(with or without detergent). Pre-rinse

cleaning surface with fresh water. If us-

ing detergent or Degreaser, apply to

surface at low pressure. For best re-

sults, limit your work area to smaller

sections of approximately 25 square

feet. Allow detergent 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 ap-

proximately 3-6 inches from the clean-

ing surface. Always clean from top to

bottom and from left to right. For re-

moving extremely stubborn stains, use

the Dirtblaster ® Nozzle.

CLEANING TIPS

Deck Cleaning

House Siding

Cement Patios, Brick and Stone

16 English

(with or without detergent). Pre-rinse

vehicle with fresh water. If using deter-

gent, apply to surface at low pressure.

For best results, clean one side of ve-

hicle at a time and always apply deter-

gent from bottom to top, do not allow

detergent to dry on surface. If needed,

use special wash brush attachment

(not included) to remove stubborn dirt.

Rinse at high pressure in a sweeping

motion keeping the spray nozzle ap-

proximately 6-8 inches from the clean-

ing surface (distance should increase

when rinsing pin-striping or other sen-

sitive surfaces). Always clean from top

to bottom and from left to right. For best

results, wipe surface dry with a cham-

ois or soft dry cloth.

(with or without detergent). Pre-rinse

cleaning surface with fresh water. If us-

ing detergent or Degreaser, apply de-

tergent at low pressure. Allow

detergent to remain on surface 1-3

minutes. Do not allow detergent to dry

on surface. Rinse at high pressure

keeping the spray nozzle approximate-

ly 3-6 inches from the cleaning surface.

For removing extremely stubborn dirt,

it may be necessary to move the spray

nozzle even closer to the surface for

greater dirt cutting action.

(with or without detergent). Pre-rinse

furniture and surrounding area with

fresh water. If using detergent, apply to

surface at low pressure. Allow deter-

gent to remain on surface 1-3 minutes.

Do not allow detergent to dry on sur-

face. 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-

sults, clean from top to bottom and

from left to right.

Cars, Boats & Motorcycles

Barbecue Grills, Outdoor Power

Equipment & Gardening Tools

Patio & Lawn Furniture

English 17

Optional accessories are available to

further enhance your cleaning capabil-

ities. These accessories are accurate

as of the printing date of this manual.

Please check our website for pricing

and up-to-date information.

Specially formulated to protect your

pressure washer from freezing, corro-

sion and premature wear. The Pump

Guard also adds lubrication to valves

and seals to prevent sticking. Highly

recommended for all Kärcher ® pres-

sure washers!

Part No. 9.558-998.0

Extension Hose for all Kärcher ® high

pressure washers between the original

equipment hose and gun up to

2000 PSI.

Part No. 2.642-588.0

Need to clean second story windows or

other high areas? Increase the reach

of your pressure washer by up to 66"

with this extension kit. Includes 4 alu-

minum sections for variable length. 66"

fully assembled. Fits most Kärcher ®

pressure washers up to 2300 PSI.

(bayonet)

Part No. 2.640-746.0

For more effortless cleaning of all smooth

surfaces (painted, glass and plastic) try

the Kärcher ® Rotating Wash Brush. Use it

on your automobile, house siding or win-

dows. The water pressure from your pres-

sure washer causes the inner brushes to

gently spin, making your cleaning job

much easier. The angle of brush head is

adjustable to help you reach difficult ar-

eas. Excellent for the application of deter-

gent. A must-have accessory designed

for Kärcher ® pressure washers up to

2300 PSI. (bayonet)

Part No. 2.640-743.0

Made with soft bristles that will not

harm painted surfaces. Easily attaches

directly to the trigger gun. Ideal for

stubborn dirt on cars, boats, patio furni-

ture and other surfaces. Great for ap-

plying detergent. Fits most Kärcher ®

pressure washers up to 2300 PSI.

(bayonet)

Part No. 2.640-740.0

Need to clean blocked pipes, drains or

downspouts? The Kärcher ® pipe

cleaning kit is the answer! The pipe

cleaner propels itself forward while si-

multaneously flushing out debris. For

example, insert the cleaning nozzle in

the base of a downspout, pull the trig-

ger on the pressure washer gun and

watch as the nozzle shoots out leaves

and other debris while climbing up-

ward. Connects directly to the trigger

gun of most Kärcher ® pressure wash-

ers up to 2300 PSI. (bayonet)

Part No. 2.640-747.0

OPTIONAL CLEANING ACCESSORIES

Pump Guard

25 Ft. Extension High-Pressure

Hose

66" Extension Wand (Four piece)

Rotating Wash Brush (bayonet)

Soft Clean Washing Brush

25 ft. Pipe Cleaning Kit (bayonet)

18 English

Why spend hours stripping old paint

and rust by hand using harsh chemi-

cals? Let the Kärcher ® Wet Sandblast-

ing Kit do the work! Attach the kit to

your pressure washer, add abrasive

material and attack the rust and paint

with our eco-friendly alternative. Fits

most Kärcher ® pressure washers up to

2300 PSI. (bayonet)

Part No. 2.638-792.0

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-

rectly to the trigger gun. Fits most

Kärcher ® pressure washers up to

2300 PSI. (bayonet)

Part No. 6.964-507.0

For cleaning surfaces such as patios,

terraces and driveways without splash-

back, there is no better solution than

the Kärcher ® T 200. It saves time by

cleaning a one foot wide area gently as

it hovers, providing consistent, streak-

free cleaning. When you finish clean-

ing the patio and driveway, remove the

wand and use the handle to clean ga-

rage doors and other vertical surfaces.

Includes two nozzles which spin at

high speed for optimum results. Our

top selling accessory for Kärcher ®

pressure washers up to 2300 PSI.

(bayonet)

Part No. 2.642-188.0

Wet Sandblasting Kit (bayonet)

Detergent Foamer Attachment

T 200 Wide Area Surface Cleaner

English 19

CAUTION Disconnect the machine from the pow-

er source before making any repair.

TROUBLESHOOTING

Symptom Cause Solution

Motor will not start On/Off switch is in the “OFF”

(0) position.

Turn switch to the “ON” (I) po-

sition

Power cord is not plugged in. Plug in power cord.

Electrical outlet does not sup-

ply adequate power.

Try a different outlet.

Tripped GFCI plug. Press “RESET” button on

GFCI plug.

Tripped circuit breaker. Switch off pressure washer.

The reset comes automatically

once the temperature of the

unit drops.

Unit does not

reach high pres-

sure.

Diameter of garden hose is

too small.

Replace with a 5/8 inch or larg-

er garden hose.

Water supply is restricted. Check garden hose for kinks,

leaks and blockage.

Not enough inlet water sup-

ply.

Open water source full force.

Water inlet filter is clogged. Remove filter and rinse out in

warm water.

Spray wand is on low pres-

sure position.

Turn spray wand to high pres-

sure position.

Output pressure

varies high and

low.

Not enough inlet water sup-

ply.

Turn water on full force. Check

garden hose for kinks, leaks or

blockage.

Pump is sucking air. Check that hoses and fittings

are air tight. Turn off machine

and purge pump by squeezing

trigger gun until a steady flow

of water emerges through the

nozzle.

Water inlet filter is clogged. Remove filter and rinse out in

warm water.

Discharge nozzle is obstruct-

ed.

Blow out or remove debris with

a fine needle.

Calcified gun, hose or spray

wand.

Run distilled vinegar through

detergent suction tube.

20 English

If you encounter any additional difficul-

ties not listed, please visit our website.

USA / Canada:

www.karcher-help.com

México:

www.karcher.com.mx

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 filter

to remove debris.

Damaged or clogged deter-

gent suction tube.

Remove obstruction or replace

detergent suction tube.

Spray wand is in high pres-

sure position.

Turn spray wand tip to low

pressure position.

Discharge nozzle is obstruct-

ed.

Blow out or remove debris with

fine needle.

Garden hose con-

nection leaks.

Loose fittings. Tighten fittings.

Missing/worn rubber washer. Insert new washer.

Spray wand leaks. Spray wand not properly at-

tached.

Insert the spray wand into the

trigger gun. Carefully press in

against the spring tension and

twist into the locked 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 machine

and purge pump by squeezing

trigger gun until a steady flow

of water emerges 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

worn.

Call Customer Support

Oil Drip. Oil seals are damaged or

worn.

Call Customer Support

Symptom Cause Solution

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Kärcher K 3.540 Manuel utilisateur

Kärcher K 3.540 Manuel utilisateur

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