Karcher K 3.97M - Manual (Page 12)

12
TROUBLESHOOTING – continued
Solution
Dilute detergent.
Turn quattro nozzle tip to low
pressure position.
Blow out or remove debris with a
fine needle.
Insert the quattro nozzle into the
trigger gun. Carefully press in
against the spring tension and
twist into the locked position.
Call Customer Service.
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.
Check that all fittings are tight.
Call Customer Service.
Call Customer Service.
1-800-537-4129
Symptom
No detergent.
Quattro nozzle leaks.
Pump is noisy.
Water leaks from pump
(up to 10 drops per
minute is permissible).
Oil Drips.
Cause
Detergent is too thick.
Quattro nozzle is in high pressure
position.
Discharge nozzle is obstructed.
Quattro nozzle not properly
attached.
Broken o-ring or plastic insert.
Pump is sucking air.
Loose fittings.
Water seals are damaged or worn.
Oil seals are damaged or worn.
If you encounter any additional difficulties not listed, please call our Customer
Service at 1-800-465-4980 for help, or visit www.karcher.ca