Kärcher BD-405039E Service Manual

Contents

Kärcher BD-405039E Service Manual Manual pdf 26 page image

9.800-414.0 • Rev. 11/09PRESSuRE WASHER Troubleshooting Guide26TrOUbLESHOOTiNgprObLEM pOSSibLE cAUSE SOLUTiONENgiNE OpErATESfOr 15 MiN. THENSTOpSNot enough gas or engine oil Fill tank with gas. Check oil level.Vapor lock developed by heat ofdayKeep gas tank full to avoid vapor locking.Obstruction in fuel filter Clean or replace fuel filter.ENgiNE LAckSpOwErDirty air filter Replace air filter.ENgiNE fALTErS Choke is opened too soon Move choke to halfway position until engineruns smoothly.wATEr DrippiNgfrOMUNDEr pUMpPiston packing worn Contact local dealer or technical support.O-Ring plunger retainer worn Contact local dealer or technical support.Cracked piston Contact local dealer or technical support.OiL DrippiNg Oil seal worn or damaged Contact local deale or technical support r.wATEr LEAkiNgfrOM pUMp prOTEc-TOrSpray gun closed with machinerunning 5 minutes or longerOpen spray gun or turn off machine.Excess water supply pressure Place a pressure regulator at end of 50'garden hose.NO DETErgENT Detergent suction tube not prop-erly connected to machineCheck connection.Detergent is too thick Dilute detergent. For best results, use ourdetergent.Detergent filter valve is at lowestsettingSet detergent filter valve to a higher setting.Filter on detergent suction tube iscloggedRun warm water through filter to removedebris.Damaged or clogged detergentsuction tubeRemove obstruction or replace detergentsuction tube.a high pressure nozzle is at-tached.Replace with black detergent nozzle.Discharge nozzle is obstructed Blow out or remove debris with fine needle.gArDEN HOSEcONNEcTiON LEAkSLoose fittings Tighten fittings.Missing/worn rubber washer Insert new washer.SprAY wAND LEAkS Spray wand not properly attached Slide the spray wand into the gun. Turn thewand collar clockwise onto the spray gunthreads until tight.Broken o-ring Contact local dealer to order an o-ring.pUMp iS NOiSY Pump is sucking air Check that hoses and fittings are air tight.Turn off machine and purge pump bysqueezing trigger gun until a steady flow ofwater emerges through nozzle.

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