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1 800-537-4129   page 1

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TROUBLESHOOTING 

– continued

Symptom Cause 

Solution

No detergent.

Garden hose 
connection leaks.

Pump is noisy.

Water leaks from
pump (up to 10 drops
per minute 
is permissible).

Oil Drip.

Detergent is too thick.

Dilute detergent, for best results
use Kärcher detergent.

Filter on detergent suction
tube is clogged.

Run warm water through filter to
remove debris.

Damaged or clogged
detergent suction tube.

Remove obstruction or replace
detergent suction tube.

Soap nozzle not installed

Attach soap nozzle to  spray wand
extension.

Discharge nozzle is
obstructed.

Blow out or remove debris with fine
needle.

Loose fittings.

Tighten fittings.

Missing/worn rubber washer. Insert new washer.

Spray wand extension not
properly attached.

Broken o-ring or plastic
insert.

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.

Loose fittings.

Check that all fittings are tight.

Call service center.

Water seals are damaged
or worn.

Call Kärcher customer service 
hotline and order repair kit 
(part no. 2.883-111.0).

Pump is sucking air.

Oil seals are damaged or
worn.

Call service center.

Spray wand or Spray
wand 
extension leaks.

Spray wand not properly
attached.

Insert the spray wand into the spray
wand extension. Carefully press in
against the spring tension and twist
into the locked position.

Slide the spray wand extension into
the gun. Turn the wand collar clock-
wise onto the gun threads until tight.

Detergent suction tube not
properly connected to the
machine.

Check connection.

If you encounter any additional 
difficulties not listed, please call 
our service center for help.

Summary of Contents for K 240

Page 1: ...ents 6 Shut Down and Clean Up 7 Taking a Break 7 Winterizing and Long Term Storage 7 Cleaning Tips 8 9 Optional Cleaning Accessories 9 Troubleshooting 10 11 Model K 240 Part No 1 189 107 0 High Pressu...

Page 2: ...n tube not pictured 9 Detergent filter not pictured 10 High pressure outlet 11 Water inlet 2 1 5 3 6 7 11 Never point nozzle at people or animals Never drink alcohol or use drugs while operating this...

Page 3: ...ace if damaged Do not abuse extension cord and do not yank on any cord to discon nect Keep cord away from heat and sharp edges Always disconnect the extension cord from the receptacle before disconnec...

Page 4: ...h in diameter Flow rate of water supply must not fall below 2 5 GPM gallons per minute Flow rate can be determined by running the water for one minute into an empty 5 gallon container IMPORTANT PRECAU...

Page 5: ...ater on completely Step 2 Plug the power cord into the power outlet Trigger the gun to eliminate trapped air wait for a steady flow of water to emerge from the spray nozzle Step 3 Turn on the pressure...

Page 6: ...re fan spray pattern High low spray wand High 15 Low 40 This nozzle attaches directly to the spray wand extension and is used to apply deter gents to the work area Soap Nozzle WARNING TO AVOID SERIOUS...

Page 7: ...iner Step 3 Turn on the pressure washer Pull trigger to operate unit Liquid detergent is drawn into the unit and mixed with water Apply detergent to work area Do not allow detergent to dry on surface...

Page 8: ...l result in damage to the pump assembly and accessories TAKING A BREAK five minutes or more Step 1 Remove de tergent suction tube from container and insert into 1 gallon of fresh water Siphon water at...

Page 9: ...om in an even sweeping motion keeping the spray nozzle approximately 6 inches from the cleaning surface Caution Do not use rotating nozzle spray wand on siding as it may cause damage Cement Patios Bri...

Page 10: ...K rcher Pressure Wash place detergent suction tube directly into cleaning solution and apply to surface at low pressure Allow K rcher Pressure Wash to remain on surface 1 3 minutes Do not allow deterg...

Page 11: ...ckage Not enough inlet water supply Open water source full force Water inlet filter is clogged Remove filter and rinse out in warm water Not enough inlet water supply Turn water on full force Check ga...

Page 12: ...Broken o ring or plastic insert 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 Loose fitti...

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