Karcher K 370 M specifications Troubleshooting, Wand extension leaks

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TROUBLESHOOTING – continued

Symptom

Cause

Solution

 

 

 

No detergent.

Detergent suction tube not properly

Check connection.

 

connected to the machine.

 

 

 

 

 

Detergent is too thick.

Dilute detergent.

 

 

 

 

Filter on detergent suction tube is

Run warm water through filter to

 

clogged.

remove debris.

 

 

 

 

Damaged or clogged detergent

Remove obstruction or replace

 

suction tube.

detergent suction tube.

 

 

 

 

Spray wand is in high pressure

Turn spray wand tip to low

 

position.

pressure position.

 

 

 

 

Discharge nozzle is obstructed.

Blow out or remove debris with a

 

 

fine needle.

 

 

 

Garden hose

Loose fittings.

Tighten fittings.

connection leaks.

 

 

Missing/worn rubber washer.

Insert new washer.

 

 

 

 

Spray wand or Spray

Spray wand not properly attached.

Insert the spray wand into the

wand extension leaks.

 

spray wand extension. Carefully

 

 

press in against the spring tension

 

 

and twist into the locked position.

 

 

 

 

Spray wand extension not properly

Slide the spray wand extension

 

attached.

into the gun. Turn the wand

 

 

collar clockwise onto the gun

 

 

threads until tight.

 

 

 

 

Broken o-ring or plastic insert.

Call service center and order

 

 

repair kit.

 

 

 

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

Loose fittings.

Check that all fittings are tight.

(up to 10 drops per minute

 

 

Water seals are damaged or worn.

Call service center.

is permissible).

 

 

 

Oil Drips.

Oil seals are damaged or worn.

Call service center.

 

 

 

If you encounter any additional difficulties not listed, please call our service center at 1-800-465-4980 for help.

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Contents Model K 370 M Overview High Pressure Washer NeverImportant Precautions Read First Extension CordsThis Product is double insulated Important Precautions Assembly InstructionsWater Supply Cold Water Only Operating Instructions Using the Accessories High/low pressure nozzleWorking with Detergents Always Use Karcher Detergents for Best ResultsShutting Down & CLEAN-UP Winterizing and LONG-TERM StorageCleaning Tips Deck CleaningHouse Siding Cement Patios Brick and StoneCleaning Tips Optional CleaningKarcher 2 Year Warranty Troubleshooting Troubleshooting Wand extension leaks