Yanmar 1GM10 Operation Manual
Also see for 1GM10: Shop ManualShop ManualUser manualOperation manualOperation manual
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Contents
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TROUBLESHOOTINGGM Series Operation Manual 6712/05TROUBLESHOOTING CHARTSymptom Probable Cause Measure ReferenceIndicators light on theinstrument panel andalarm sounds duringoperation.Shift to low speed operation immediately, and check which indicator has come on.Stop the engine and inspect. If no abnormality is identified and there is no problemwith operation, return to port at lowest speed and consult authorized YanmarMarine dealer or distributor.• Engine oil low pressurealarm indicator lightsEngine oil level is low. Check engine oil level. Add orreplace.See Checking theEngine Oil onpage 30.Engine oil filter is clogged. Replace engine oil filter.Replace engine oil.See Replacing theEngine Oil FilterElement on page 55.• Water in sail-drive sealindicator lightsRubber sail-drive seal isbroken.Consult authorized YanmarMarine dealer or distributor. —Coolant High TemperatureAlarm lightsInsufficient seawaterdischarge causingtemperature to riseCheck seawater system.—Contamination insidecooling systemConsult authorized YanmarMarine dealer or distributor. —Faulty warning devices Do not operate the engine if alarm devices are not repaired. Serious accidents mayresult if abnormalities are not identified because of faulty indicators or alarm.Indicators Do Not Light• The tachometer doesnot turn on, eventhough the powerswitch is turned onNo electrical currentavailable.The battery switch is turnedoff, the fuse (3 A) on theinstrument panel is burnedout or the circuit is broken.Consult authorized YanmarMarine dealer or distributor.—One of the indicators doesnot go out.Sensor switch is faulty. Consult authorized YanmarMarine dealer or distributor. —Battery low chargeindicator does not go outduring operation.V-belt is loose or broken. Replace V-belt or adjusttension.See Checking andAdjusting theAlternator V-BeltTension on page 56.Battery is defective. Check battery fluid level andspecific gravity, or replacebattery.See Inspecting theBattery ElectrolyteLevel (ServiceableBatteries Only) onpage 58.Alternator power generationfailure.Consult authorized YanmarMarine dealer or distributor. — |
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