Yanmar 6CXM-GTE2 Operation Manual

Also see for 6CXM-GTE2: Service manual

Always be on the lookout for problems during engineoperation. Pay particular attention to the following:(1) Is sufficient water being discharged fromthe seawater outlet pipe?If the discharge is small, stop the engine immediately,identify the cause and repair.(2) Is the exhaust color normal?The continuous emission of black exhaust gas showsthat the is engine overloading. This shortens theengine’s life and should be avoided.(3) Are there abnormal vibrations or noise?Do not operate at speeds, which produce violentvibrations.Depending on the hull structure, engine and hullresonance may suddenly become great at a certainengine speed range, causing heavy vibrations. Avoidoperation in this speed range. If you hear any abnormalsounds, stop the engine and inspect.(4) Alarm buzzer sounds during operation.If the alarm buzzer sounds during operation, lower theengine speed immediately, check the alarm lamps,and stop the engine for repairs.(5) Is there water, oil, or gas leakage, or arethere any loose bolts?Check the engine room periodically for any problems.(6) Is there sufficient oil in the fuel tank?Replenish fuel oil in advance to avoid running out offuel during operation.(7) When operating the engine at low speed for longperiods of time, race the engine once every 2 hours.Racing the Engine• Remote Control HandlePull out the handle lever and shift the engine speedfrom high to low several times.Racing the engine removes carbon built up in thecombustion chamber and around the fuel injectionvalve.Neglecting to race the engine will cause the exhaust toturn black and lower the efficiency of the engine.Never turn offthe battery switch or sparkthe battery cable duringoperation. Damage to partsin the electric system willresult.How to Operate429 | MARINE DIESEL ENGINE 6CXM-GTE2>4.5 Check During Operation��