Yanmar 2YM15 Operation Manual
Also see for 2YM15: Operation manualOperation manualOperation manualOperation manualService manual
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Contents
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Cleaning or Replacing theExhaust / Water Mixing ElbowThere are two types of mixing elbows, theL-type and the U-type. The mixing elbow isattached to the exhaust manifold. Theexhaust gas is mixed with seawater in themixing elbow.1. Remove the mixing elbow.2. Clean dirt and scale out of the exhaustand seawater passages.3. If the mixing elbow is damaged, repairor replace it. See your authorizedYanmar Marine dealer or distributor.4. Inspect the gasket and replace ifnecessary.Replace the mixing elbow with a new oneevery 500 hours or two years, whichevercomes first, even if no damage is found.See your authorized Yanmar Marine dealeror distributor.Adjusting the Alternator V-BeltTensionSee Checking and Adjusting the AlternatorV-Belt Tension on page 54.Cleaning the Breather PipeSee your authorized Yanmar Marine dealeror distributor.Checking the Wiring ConnectorsSee your authorized Yanmar Marine dealeror distributor.Every 1000 Hours of OperationPerform the following maintenance every1000 hours or 4 years of operation,whichever comes first.• Checking the Fuel Injection Timing• Checking the Fuel Injector SprayPattern• Replacing the Seawater PumpImpeller• Cleaning and Checking the SeawaterPassages• Checking Diaphragm Assembly• Replacing the Alternator V-Belt• Adjusting Intake / Exhaust ValveClearance• Checking and Adjusting the RemoteControl Cables• Adjusting the Propeller ShaftAlignment• Tightening All Major Nuts and BoltsChecking the Fuel Injection TimingSee your authorized Yanmar Marine dealeror distributor.Checking the Fuel Injector SprayPatternSee your authorized Yanmar Marine dealeror distributor.Replacing the Seawater PumpImpellerThe seawater impeller must be replacedevery 1000 hours or every 4 years even if itis not damaged.See Checking or Replacing the SeawaterPump Impeller on page 60.PERIODIC MAINTENANCE62 YM Series Operation Manual© 2007 Yanmar Marine International |
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