12TROUBLESHOOTING – continuedSolutionDilute detergent.Run warm water through filter toremove debris.Remove obstruction or replacedetergent suction tube.Turn quatro tip to low pressureposition.Blow out or remove debris with afine needle.Tighten fittings.Insert new washer.Insert the Quatro nozzle into thetrigger gun. Carefully press inagainst the spring tension andtwist into the locked position.Call Customer Service.Check that hoses and fittings areair tight. Turn off machine andpurge pump by squeezing triggergun until a steady flow of wateremerges through the nozzle.Check that all fittings are tight.Call Customer Service.Call Customer Service.SymptomNo detergent.Garden hoseconnection leaks.Quatro nozzle leaks.Pump is noisy.Water leaks from pump (upto 10 drops per minute ispermissible).Oil Drip.CauseDetergent is too thick.Filter on detergent suction tube isclogged.Damaged or clogged detergentsuction tube.Quatro nozzle is in high pressureposition.Discharge nozzle is obstructed.Loose fittings.Missing/worn rubber washer.Quatro nozzle not properlyattached.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 callCustomer Service at 1-800-465-4980 for help, or visit www.karcher.ca