Kärcher K 3.540 Manuel utilisateur

English 2

Français 21

Español 42

59639240 09/10

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 situa-

tion which, if not avoided, could result in

death or injury.”

CAUTION

indicates “a potentially hazardous situa-

tion which, if not avoided, may result in

minor or moderate injury or in property

damage incidents.”

For household use only!

The owner and/or user must have an

understanding of the manufacturer’s

operating instructions and warnings be-

fore 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 discussed

with the operator in the operator’s native

language by the purchaser/owner, mak-

ing sure that the operator comprehends

its contents.

Owner and/or user must study and

maintain for future reference the manu-

facturers’ 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 warran-

ty.

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 Instructions 4

Assembly Instructions 6

Operating Instructions 8

Using the Accessories 10

Working with Detergents 11

Taking a Break 12

Shutting Down & Clean-Up 13

Winterizing and Long-Term Storage 14

Maintenance Instructions 14

Cleaning Tips 15

Optional Cleaning Accessories 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 Circuit

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, includ-

ing the following:

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 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 replace-

ment of the plug or cord is needed,

use only identical replacement parts.

WARNING

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 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 Electrocution

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 recommended by

the manufacturer. The use of other

cleaning detergents may affect the op-

eration of the machine and void the war-

ranty.

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 the

skin. do not point the gun at anyone or

IMPORTANT SAFETY INSTRUCTIONS

English 5

any part of the body. In case of penetra-

tion 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 pressure

(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 resis-

tance for electric current to reduce the

risk of electric shock. This product is

equipped with a cord having an equip-

ment-grounding conductor and a

grounding plug. The plug must be

plugged into an appropriate outlet that is

properly installed and grounded in ac-

cordance with all local codes and ordi-

nances.

DANGER

Improper connection of the equipment-

grounding conductor can result in a risk

of electrocution. Check with a qualified

electrician or service personnel if you

are in doubt as to whether the outlet is

properly grounded. Do not modify the

plug provided with the product - if it will

not fit the outlet, have a proper outlet in-

stalled by a qualified electrician. Do not

use any type of adapter with this prod-

uct.

This pressure washer is provided with a

ground-fault circuit-interrupter (GFCI)

built into the plug of the power-supply

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 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.

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

minute).

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.

GROUNDING INSTRUCTIONS

GROUND FAULT CIRCUIT INTER-

RUPTER PROTECTION

WATER SUPPLY

(Cold Water Only)

6 English

For more detailed information on

how to assemble this pressure

washer, please visit

www.karcherresidential.com/assembly

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 detergent reg-

ulator 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 con-

nect 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 nip-

ple is aligned correctly.

Check the secure connection by

pulling on the high pressure hose.

Disconnect:

Press the disconnect key on the trig-

ger gun and remove the high pres-

sure hose from the trigger gun.

Install the dosage regulator for detergent

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 normal

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 nip-

ple 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 wa-

ter source and turn water on com-

pletely.

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 procedure each

time you use your pressure washer. To

learn how to peform this test on your unit,

visit http://www.karcherresidential.com/

gfci_test.php for detailed instructions 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 trigger

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 angle

nozzle.

Not recommended for soft materi-

als, 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 results.

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 pres-

sure 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 deter-

gent is drawn into the unit and mixed

with water. Apply detergent to work

area. Do not allow detergent 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 wa-

ter through the detergent tank or si-

phon tube when done to flush any

remaining detergents from the injec-

tion 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 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:

www.buykarcher.com

WORKING WITH DETERGENTS

12 English

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.

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) po-

sition.

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 connections

after operation.

SHUTTING DOWN & CLEAN-UP

14 English

1: Disconnect all water connections.

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 results.

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 sur-

faces with plenty of drinking water.

For additional cleaning tips and a

complete video library, visit our web-

site:

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 min-

utes. 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 section of the

cleaning surface, be sure to overlap the

previous section to eliminate 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 al-

low detergent to dry on surface, if

surface appears to be drying, simply

wet down surface with fresh water. If

needed, use special wash brush attach-

ment (not included) to remove stubborn

dirt. Rinse at high pressure from top to

bottom in an even sweeping motion

keeping the spray nozzle approximately

6 inches from the cleaning 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 re-

main on surface 1-3 minutes. Do not al-

low 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 extreme-

ly 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 vehi-

cle at a time and always apply detergent

from bottom to top, do not allow deter-

gent to dry on surface. If needed, use

special wash brush attachment (not in-

cluded) to remove stubborn dirt. Rinse

at high pressure in a sweeping motion

keeping the spray nozzle approximately

6-8 inches from the cleaning surface

(distance should increase when rinsing

pin-striping or other sensitive surfaces).

Always clean from top to bottom and

from left to right. For best results, wipe

surface dry with a chamois or soft dry

cloth.

(with or without detergent). Pre-rinse

cleaning surface with fresh water. If us-

ing detergent or Degreaser, apply deter-

gent 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 noz-

zle approximately 3-6 inches from the

cleaning surface. For removing ex-

tremely stubborn dirt, it may be neces-

sary to move the spray nozzle even

closer to the surface for greater dirt cut-

ting action.

(with or without detergent). Pre-rinse

furniture and surrounding area with

fresh water. If using detergent, apply to

surface at low pressure. Allow detergent

to remain on surface 1-3 minutes. Do

not allow detergent to dry on surface. If

needed use special Wash Brush Attach-

ment (not included) to remove stubborn

dirt. Rinse at high pressure in a sweep-

ing motion keeping the spray nozzle ap-

proximately 3-6 inches from the

cleaning surface. For best results, 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 capabili-

ties. 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® pressure

washers!

Part No. 9.558-998.0

Replacement hose fits Kärcher® pres-

sure washer with screw-on type gun

connections from 2400 PSI to

2500 PSI, Extension Hose for all

Kärcher® high pressure washers be-

tween the original equipment hose and

machine up to 2500 PSI.

Part No. 2.640-850.0

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 aluminum

sections for variable length. 66" fully as-

sembled. 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 windows. The water pressure

from your pressure washer causes the

inner brushes to gently spin, making

your cleaning job much easier. The an-

gle of brush head is adjustable to help

you reach difficult areas. Excellent for

the application of detergent. A must-

have accessory designed for Kärcher®

pressure washers up to 2300 PSI. (bay-

onet)

Part No. 2.640-743.0

Made with soft bristles that will not harm

painted surfaces. Easily attaches direct-

ly to the trigger gun. Ideal for stubborn

dirt on cars, boats, patio furniture and

other surfaces. Great for applying deter-

gent. 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 clean-

ing kit is the answer! The pipe cleaner

propels itself forward while simulta-

neously flushing out debris. For exam-

ple, insert the cleaning nozzle in the

base of a downspout, pull the trigger on

the pressure washer gun and watch as

the nozzle shoots out leaves and other

debris while climbing upward. Connects

directly to the trigger gun of most

Kärcher® pressure washers up to

2300 PSI. (bayonet)

Part No. 2.640-747.0

OPTIONAL CLEANING ACCESSORIES

Pump Guard

25 Ft. Extension /Replacement

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 chemicals?

Let the Kärcher® Wet Sandblasting Kit

do the work! Attach the kit to your pres-

sure washer, add abrasive material and

attack the rust and paint with our eco-

friendly alternative. Fits most Kärcher®

pressure washers up to 2300 PSI. (bay-

onet)

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 100. It saves time by clean-

ing a one foot wide area gently as it hov-

ers, 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. In-

cludes two nozzles which spin at high

speed for optimum results. Our top sell-

ing accessory for Kärcher® pressure

washers up to 2300 PSI. (bayonet)

Part No. 2.640-959.0

Wet Sandblasting Kit (bayonet)

Detergent Foamer Attachment

T 100 Wide Area Surface Cleaner

English 19

CAUTION Disconnect the machine from the power

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) posi-

tion

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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