Landa SLT/SLX Kubota Diesel Operator Manual • 9.807-540.0 • Rev. 6/13OPERATOR’S MANUAL PRESSURE WASHER16POSSIBLE CAUSESSYMPTOMLow fuel level X X XFuel supply/return lines clogged X X X XClogged fuel tank vent X XFuel pump faulty X X XFuel entrained with air X X X XUnit injector(s) faulty/worn X X X X X X XUnit injector settings incorrect X X X X X X XInjection pump rack sticking X X XOil level too high X X X X X X XImproper oil viscosity X X XOil diluted by fuel X X X X XOil pressure relief valve faulty XOil pick-up tube clogged XOil pump air entrained at pick-up tube XGlow plugs faulty X XGlow plug controller faulty XGlow plug relay inoperable XStarter defective XBattery voltage too low XBattery-cable connections corroded XKey switch defective XAir filter clogged X X X X X X XExcessive idle/light load operation X X X XIncomplete engine run-in X X XEngine overload X X X X X X XExcessive parasitic load X X XValve lash insufficient/excessive X X X XInjection timing out of spec-advanced X X X X XInjection timing out of spec-retarded X X XGovernor linkage adjustment incorrect X X X XGovernor spring fatigued or defective X X XIdle rpm too low X XPiston rings worn or stuck X X X X XPiston worn or damaged X X X X X X XCylinders worn or damaged X X X X X X XValve(s) guide(s) worn X X X X XValves sticking X X X X X X XBearings (main/road) worn X X XGovernor linkage malfunction X X X X XCylinder head gasket damaged X X XThermostat stuck or malfunctioning XEngine seized XRadiator clogged (external or internal) XCoolant pump faulty XTurbocharger faulty X X X X X X XEngine does not startEngine starts but stopsPoor accelerationUnsteady RPMBlack smokeWhite smokeBlue smokeLow oil pressureOil level risingExcessive oilconsumptionWet exhaustOverheatingEngine knocksENGINE TROUBLESHOOTING