Yanmar 6LY3-STP, Service Manual

Page 1: ...M2215 04E150 6LY3 ETP STP UTP 6LY3 ETP STP UTP...

Page 2: ...04E150 History of Revision Manual Name Service Manual for Marine Diesel Engine Engine Model 6LY3 ETP STP UTP Number of revision Date of revision Reason for correction Outline of correction Correction...

Page 3: ...antial effect on the performance of the engine and the vessel Moreover when the engine runs unevenly or when trouble occurs it is essential to check a wide range of operating conditions such as instal...

Page 4: ...6 2 2 1 Check before starting 16 2 2 2 Inspection after initial 50 hours or one month operation 20 2 2 3 Inspection every 50 hours or monthly 22 2 2 4 Inspection on initial 250 hours or one year 27 2...

Page 5: ...icing of basic engine parts 103 5 1 Cylinder block 103 5 1 1 Inspection of parts 103 5 1 2 Cleaning of oil holes 103 5 1 3 Color check procedure 104 5 1 4 Replacement of plugs 105 5 1 5 Cylinder bore...

Page 6: ...3 5 8 3 Position of top dead center 143 6 Fuel injection equipment 144 6 1 Fuel Injection pump governor timer 144 6 1 1 Fuel system diagram 144 6 1 2 Fuel injection pump specifications 145 6 1 3 Remov...

Page 7: ...ter replacement 175 8 4 Lube oil cooler 176 8 4 1 Lube oil cooler construction 176 8 4 2 Inspecting the lube oil cooler 176 8 5 Rotary waste oil pump Optional 177 9 Cooling water system 178 9 1 Coolin...

Page 8: ...tion 191 9 6 3 Characteristics of thermostat 192 9 6 4 Thermostat inspection 192 9 6 5 Testing the thermostat 192 9 7 Seacock Optional 193 9 8 Bilge pump and bilge strainer Optional 194 9 8 1 Introduc...

Page 9: ...gas 224 10 8 3 Too early oil shortage 225 10 8 4 Output drop 225 10 8 5 Poor follow up of supercharger 225 10 8 6 Unusual sound or vibration 225 11 Reduction and reversing gear 226 12 Remote control...

Page 10: ...tion 247 13 5 Warning devices 248 13 5 1 Sensor installation position 248 13 5 2 Lube oil pressure sensor and boost sensor 250 13 5 3 Temperature sensor for water lube oil and fuel 251 14 Service stan...

Page 11: ...ce in the manual Sufficient consideration for safety is required in addition to the matters marked Especially for safety precautions in a repair or maintenance job not described in this manual receive...

Page 12: ...l type accidents Clean orderly arranged place No dust mud oil or parts should be left on the floor surface Failure to Observe An unexpected accident may be caused Bright Safely Illuminated Area The wo...

Page 13: ...p as an attaching device Do not use rope serious injury may result To hold or support an engine secure the engine to a support stand test bed or test cart designed to carry the weight of the engine Do...

Page 14: ...f ignition away Explosion may occur causing severe personal injury Battery Electrolyte Batteries contain sulfuric acid Do NOT allow it to come in contact with clothing skin and or eyes severe burns wi...

Page 15: ...mage to the engine and or severe personal injury Preventing burns from scalding 1 Never open the filler cap shortly after shutting the engine down Steam and hot water will spurt out and seriously burn...

Page 16: ...attached Their location is shown below and they should always be visible Please replace if damaged or lost Warning Labels No Part Code No A 128296 07300 B 120324 07240 C 128296 07260 D 128296 07350 E...

Page 17: ...d check the part installed state deformation damage roughening surface defect etc Arrange the removed parts orderly with clear distinction between those to be replaced and those to be used again Parts...

Page 18: ...manifold Dip stick Fresh water cooler Seawater pump Alternator V belt Fresh water pump Non operation side 005033 01E Turbocharger Lube oil filter Air silencer Filler cap Intercooler Fuel injection pum...

Page 19: ...254 345 3198 Fuel stop power Note 1 Output at crankshaft Engine speed kW HP min 1 353 480 3300 at Fuel inlet temp 40 C 324 440 3300 at Fuel inlet temp 40 C 279 380 3300 at Fuel inlet temp 40 C High id...

Page 20: ...the fuel It should not exceed 0 5 by volume Preferably it should be below 0 05 Water and sediment in the fuel oil should not exceed 0 05 by volume Ash should not exceed 0 01 by mass 10 Carbon residue...