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Troubleshooting
Related Manuals for Yanmar 3JH2 Series
Summary of Contents for Yanmar 3JH2 Series
- Page 1 0000A0A1015-9112 SERVICE MANUAL MARINE DIESEL ENGINE 3JH2 Series 2000. 3. 10...
- Page 2 series...
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Page 3: Exterior Views
Publication No. A0A1015 History of Revision Page No Manual Name Service Manual for Marine Diesel Engine 3JH2 series Engine Model : Correction item Number of Date of Reason for Outline of correction Corrected by revision revision correction No. (page) Apr. 2001... -
Page 5: Table Of Contents
CHAPTER 7 REDUCTION AND REVERSING GEAR CHAPTER 1 GENERAL KM3A 1.Exterior Views ......1-1 1.Construction . -
Page 9: Sea Water Pump
Fuel injection pump Mist separator Fuel filter Air intake manifold KM3P3 Torque limiter Dipstic (clutch side) Lube filter Fuel priming pump Dipstic (engine side) Fresh water tank Exhaust manifold Pressure cap Mixing elbow Alternator Fresh water pump Seawater pump Starting motor Clutch handle Printed in Japan Printed in Japan... -
Page 10: Fresh Water Pump
Fuel injection pump Mist separator Fuel filter Air intake manifold KM3P1 KM35P1 Dipstic (clutch side) Lube filter Fuel priming pump Dipstic (engine side) Fresh water tank Exhaust manifold Pressure cap Mixing elbow Alternator Fresh water pump Seawater pump Starting motor Clutch handle Printed in Japan Printed in Japan... -
Page 12: Lubrication System
Model Unit 3JH25A 3JH30A Type Vertical 4-cycle water cooled diesel engine Direct injection Combustion system Normal aspiration Aspiration Number of cylinders Bore stroke Displ acement 1.303 20. 2 / 3300 24. 3 / 3000 Output/crankshaft speed kW(PS)/rpm (27.5 / 3300) (33.0 / 3000) One hour rating output... - Page 14 Model KM3P1 KM3P3 KM35P1 Clutch Type Cone clutch Reduction ratio 2.36 / 3.1 6 (Forward/Reverse) Direction of rotation(Forward) Clock wise viewed from stern marine gear system Lubricating oil capacity 0.3 / 0.35 0.45 / 0.5 min/max SAE #30 Lubricating oil API CC or CD Torque limiter Not Eqipped...
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Page 19: Mixing Elbow
4 - 11 4- 10.5 (VIEW FROM ARROW B) 4- 16.5 (OUTPUT SHAFT COUPLING) (PROPELLER SHAFT COUPLING) 237.3 4-M8 TAPPEDHOLES (DEPTH 12) 190.5 MIXING ELBOW PT 11/4 SEA WATER INLET 26 JOINT 8 FOR FO RETURN ASTERN JOINT 8 FOR FO INLET AHEAD 183.8 28.8... - Page 23 3JH25A Performance Curve Propeller curve curve 2100 1500 1700 1900 2300 2500 2700 2900 3100 3300 Crankshaft speed (min Specific fuel consumption 1500 1700 1900 2100 2300 2500 2700 2900 3100 3300 Crankshaft speed (min Exhaust Gas Temp. 2100 1500 1700 1900 2300...
- Page 24 3JH30A Performance Curve Propeller curve curve 1500 1700 1900 2100 2300 2500 2700 2900 3100 Crankshaft speed (min Specific fuel consumption 1500 1700 1900 2100 2300 2500 2700 2900 3100 Crankshaft speed (min Exhaust Gas Temp. 1500 1700 1900 2100 2300 2500 2700...
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Page 28: Fuel Feed Pump
A WATER PT1 1/4 FUEL FEED PUMP FUEL OVERFLOW FUEL INJECTION PUMP FUEL OIL INLET 4.76 0.7 STS 3 RH LUB. OIL FILTER (CARTRIDGE TYPE) 3 RH 3 RH 3 RH 3 RH PRESSURE CONTROL VALVE 2 RH FUEL OIL FILTER DETAIL OF PART 6.35 2.275 ST9... - Page 61 Engine 3JH25A 3JH30A Item Part No 729198-51300 729198-51320 Assemble code I.D. mark B450 B451 Engine spec. Cal. Spec. Engine spec. Cal. Spec. Adjustment specs Nozzle type I.D. mark 150P244HCO DN-12SD12 150P244HCO DN-12SD12 Injection starting pressure (kg / cm 200 210 165 175 200 210 165 175...
- Page 101 3JH25A / 30A Intake system Intake air silencer Exhaust system Mixing elbow Printed in Japan Printed in Japan 4-1-1 A0A1015-0302 A0A1015-0302...
- Page 121 3JH25A / 30A Lubricating oil filter Oil return piper Fuel injection pump lubricating pipe Fuel injection pump Oil pan Printed in Japan 5-2-1 Printed in Japan A0A1015-0302 A0A1015-0302...
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Page 126: Cylinderblock
3JH25A / 30A Filter bracket Cylinder block Oil pressure regulator valve Lubricating oil filter Oil return pipe Oil pan Printed in Japan Printed in Japan 5-6-1 A0A1015-0302 A0A1015-0302... -
Page 136: Heat Exchanger
3JH25A / 30A Mixing elbow Heat exchanger Kingston cock Sea water pump Printed in Japan Printed in Japan 6-3-1 A0A1015-0302 A0A1015-0302... -
Page 181: Construction
for Engine Models 3JH25A / 3JH30A It is also anticorrosive against seawater. 1-1. Construction As the damper disc is fitted to the input shaft, power can These clutches are a cone-type, mechanically operated be transmitted smoothly. clutch. There is small clearance between the dipstick and the When the drive cone (which is connected to the output inside of the dipstick tube. -
Page 182: Specifications
1.2 Specifications Mode KM3P1 KM3P3 KM35P1 3JH25A 3JH30A 2.36 2.61 2.36 2.61 3.16 3.16 3.16 3.16 (min 1356 1226 1229 1111 (kg) Note: Torque limiter should be installed on KM3P3 No torque limiter installed on KM3P1 & KM35P1 (mm) Printed in Japan Printed in Japan 7-30 A0A1015-0302... - Page 183 1-3 Power transmission system 1-3.1 Arrangement of shafts and gears Forward small gear of input shaft Idle gear Reverse small gear of input shaft input shaft Large gear of output shaft Intermediate shaft Forward small gear Output shaft with input shaft Reverse small gear with input shaft Shaft arrangement...
- Page 193 Printed in Japan Printed in Japan 7-41 A0A1015-0302 A0A1015-0302...
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Page 221: Battery
Battery Battery Switch Battery S or C Starter Air heater Battery Switch Earth bolt Eng. Oil Pressure C.W.Temp Alternator switch switch Buzzer Illumination Tacho sensor stop switch Tacho with Buzzer Hour meter G r B Fuse 3A Starte switch Charge Eng.