Landa XPERT-HD 3.8/35 P Service Manual

Contents

Landa XPERT-HD 3.8/35 P Service Manual Manual pdf 12 page image

8.780-001.0 • Xpert HD-DD-PD-DA-RG • Rev. 07/13PRESSURE WASHER Troubleshooting Guide12TROUBLESHOOTINGPROBLEM POSSIBLE CAUSE SOLUTIONLOW OPERATINGPRESSUREInsuffi cient water supply. Closedfaucet. Inlet hose kinkedUse larger garden hose; clean inlet waterscreen. Open faucet.Clogged inlet hose strainer Check plumbing system for leaks. Retapeleaks with tefl on tape.Faulty or mis-adjusted unloadervalveAdjust unloader for proper pressure. Installrepair kit when needed. Call local distributor.Worn packing in pump Call Dealer Customer Support.Machine has been stored in freez-ing temperaturesThaw out machine completely, includinghose, spray gun and wand.Slow engine RPM Call local distributor.FLUCTUATINGPRESSUREWorn or dirty pump valves Call local distributor.Nozzle is obstructed Blow out or remove debris with fi ne needle.Pump sucking air, inlet hoseleakingCheck that all hoses and fittings are airtight.Turn off machine and trigger spray gun untila steady flow of water emerges through thenozzle.Insuffi cient water supply Turn water on full force. Check garden hosefor kinks, leaks or blockage.PRESSURE LOWAFTER PERIOD OFNORMAL USENozzle worn Replace nozzle.Unloader valve worn Replace unloader valve.ENGINE WILL NOTSTART OR STOPSWHILE OPERATINGLow oil shutdown Fill engine with oil.Out of gas Fill fuel tank.Water in gasoline Drain gas tank; fi ll with clean fuel.ENGINE ISOVERLOADEDNozzle partially blocked Clean nozzle.Excessive pressure from highengine RPMAdjust engine throttle to lower RPM.WATER OR OILLEAKING FROMBOTTOM OF PUMPA small amount of leaking isnormalIf excessive leaking occurs, Call localdistributor.PRESENCE OFWATER IN PUMP OILWater sprayed at machine Change oil. Direct spray away from machine.High humidity in air Check and change oil twice as often.Piston packing worn. Oil seal worn. Call local distributor.