WESTERBEKE GASOLINE GENERATOR

ENGINE TROUBLESHOOTINGThe following troubleshooting tables are based upon certainengine problem indicators and the most likely causes of theproblems.When troubleshooting indicates an electrical problem, see theDC Electrical System Wiring Diagram and Schematic, asthey may reveal other possible causes of problems not listedbelow.PROBLEMPROBABLE CAUSEPROBLEMPROBABLE CAUSEEngine does notcrank.Engine cranks butfails to start.1. Voltage drop at starter solenoidterminal.2. Engine 20A circuit breaker hastripped.3. Battery is low or dead.4. Loose battery connections.5. Faulty wire connection.6. Faulty start switch.7. Faulty start relay (K1).8. Faulty starter solenoid.9. Raw water filled cylinders.1. Out of fuel.2. Engine is flooded.a. Carburetor float needle valve openor damaged. Clean or replace theneedle valve.b. Float in carburetor is leaking.Repair or replace float.c. Float chamber gasket damaged orsecuring screws are loose. Replacegasket and/or tighten screws.3. Fuel pump inoperative.4. Worn or faulty spark plugs.5. High tension wires grounding (wetsystem).6. Faulty ignition coil.7. Faulty distributor.8. Faulty wire connection.9. Faulty overspeed circuit board.Replace.10. Faulty run relay (K2).11. Timing belt.12. No engine compression.13. Faulty idle adjustment.Engine starts, runsand then shutsdown.Engine starts, runsbut does not comeup to speed.Engine hunts.1. Faulty shutdown switch,(oil pressure, water or exhausttemperature).2. High engine water or exhausttemperature.3. Dirty fuel/water separator filter.4. Mechanical check valve at the fuelsupply faulty.5. Low oil level in sump.6. Faulty fuel pump.7. Faulty engine temperaturesensor.1. Fuel line restriction.2. Mechanical check valve at thefuel supply is faulty.3. Throttle plate binding.4. Faulty fuel pump.5. Faulty wire connection.6. Faulty engine temperaturesensor.7. AC generator overload.8. High exhaust pressure.1. Low battery voltage.2. Generator is overloaded.3. Cracked distributor cap.4. Faulty high tension wires.5. Faulty fuel pump.6. High exhaust back-pressure.7. Valves are out of adjustment.Engines & Generators29