Karcher K 3.97M specifications TROUBLESHOOTING - continued, Blow out or remove debris with a

Models: K 3.97M

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TROUBLESHOOTING – continued

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TROUBLESHOOTING – continued

Symptom

Cause

Solution

 

 

 

No detergent.

Detergent is too thick.

Dilute detergent.

 

 

 

 

Quattro nozzle is in high pressure

Turn quattro nozzle tip to low

 

position.

pressure position.

 

 

 

 

Discharge nozzle is obstructed.

Blow out or remove debris with a

 

 

fine needle.

 

 

 

Quattro nozzle leaks.

Quattro nozzle not properly

Insert the quattro nozzle into the

 

attached.

trigger gun. Carefully press in

 

 

against the spring tension and

 

 

twist into the locked position.

 

 

 

 

Broken o-ring or plastic insert.

Call Customer Service.

 

 

 

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 is permissible).

 

 

Water seals are damaged or worn.

Call Customer Service.

 

 

 

 

Oil Drips.

Oil seals are damaged or worn.

Call Customer Service.

 

 

 

If you encounter any additional difficulties not listed, please call our Customer Service at 1-800-465-4980for help, or visit www.karcher.ca

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Karcher K 3.97M TROUBLESHOOTING - continued, Blow out or remove debris with a, Check that hoses and fittings are