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Yanmar 3JH2E 3JH2TE Marine Diesel Engine Workshop Service Repair Manual PDF Download
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Yanmar 3JH2E 3JH2TE Marine Diesel Engine Workshop Service Repair Manual PDF Download

Inboard Engines Yanmar
SKU: ZC-279866

YANMAR 3JH2 SERIES MARINE DIESEL ENGINE WORKSHOP SERVICE MANUAL (PDF FORMAT) 3JH2E 3JH2-TE CONTENTS CHAPTER 1 GENERAL 1.Exterior Views . . . . . . . . . . . . . . . . . . . . . . . . . . ....

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YANMAR 3JH2 SERIES MARINE DIESEL ENGINE WORKSHOP SERVICE MANUAL

(PDF FORMAT)



3JH2E

3JH2-TE




CONTENTS

CHAPTER 1 GENERAL

1.Exterior Views . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

2.Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

3.Engine Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5

4.Performance Curves . . . . . . . . . . . . . . . . . . . . . . . 1-10

5.Piping Diagrams. . . . . . . . . . . . . . . . . . . . . . . . . . . 1-12

CHAPTER 2 BASIC ENGINE PARTS

1.CylinderBlock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

2.Cylinder Head . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4

3.Piston and Piston Pins . . . . . . . . . . . . . . . . . . . . . . 2-11

4.Connecting Rod . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15

5.Crankshaft and Main Bearing . . . . . . . . . . . . . . . . 2-18

6.Camshaft and Tappets. . . . . . . . . . . . . . . . . . . . . . 2-21

7.Timing Gear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-24

8.Flywheel and Housing . . . . . . . . . . . . . . . . . . . . . . 2-26

CHAPTER 3 FUEL INJECTION EQUIPMENT

1.Fuel Injection Pump Service Data . . . . . . . . . . . . . . 3-1

2.Governor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

3.Disassembly Reassembly and Inspection of Fuel

Injection Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11

4.Adjustment of Fuel Injection Pump and Governor . . 3-21

5.Fuel Feed Pump. . . . . . . . . . . . . . . . . . . . . . . . . . . 3-27

6.FuelInjection Nozzle . . . . . . . . . . . . . . . . . . . . . . . 3-29

7.Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-33

8.Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-35

9.Fuel Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-37

10.Fuel Tank (Optional). . . . . . . . . . . . . . . . . . . . . . . . 3-38

CHAPTER 4 INTAKE AND EXHAUST SYSTEM

1.Intake and Exhaust System . . . . . . . . . . . . . . . . . . 4-1

2.Turbocharger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3

3.Mixing Elbow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-17

CHAPTER 5 LUBRICATION SYSTEM

1. Lubrication System . . . . . . . . . . . . . . . . . . . . . . . . . 5-1

2.Lube Oil Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3

3.Lube Oil Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6

4.Oil Pressure Control Valve . . . . . . . . . . . . . . . . . . . 5-8

5.Lube Oil Cooler . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-9

6.Piston Cooling Nozzle . . . . . . . . . . . . . . . . . . . . . . 5-10

7.Rotary Waste Oil Pump (Optional). . . . . . . . . . . . . 5-11

CHAPTER 6 COOLING WATER SYSTEM

1.Cooling Water System . . . . . . . . . . . . . . . . . . . . . . 6-1

2.Sea Water Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4

3.Fresh Water Pump . . . . . . . . . . . . . . . . . . . . . . . . . 6-7

4.Heat Exchanger . . . . . . . . . . . . . . . . . . . . . . . . . . 6-10

5.Pressure Cap and Sub Tank . . . . . . . . . . . . . . . . . 6-12

6.Thermostat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-14

7.Kingston Cock (Optional) . . . . . . . . . . . . . . . . . . . 6-16

8.Sea Water Filter (Optional) . . . . . . . . . . . . . . . . . . 6-17

9.Bilge Pump and Bilge Strainer (Optional) . . . . . . . 6-18

CHAPTER 7 REDUCTION AND REVERSING GEAR

KM3A

1.Construction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1

2.Shifting Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-7

3.Inspection And Servicing . . . . . . . . . . . . . . . . . . . . 7-12

4.Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-22

5.Reassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-25

KM3P1,KM3P3,KM35P1

1.Construction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-29

2.Shifting Device . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-35

3.Inspection And Servicing . . . . . . . . . . . . . . . . . . . . 7-40

4.Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-48

5.Reassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-53

CHAPTER 8 REMOTE CONTROL

1.Remote Control System . . . . . . . . . . . . . . . . . . . . . . 8-1

2.Remote Control Installation . . . . . . . . . . . . . . . . . . . 8-2

3.Remote Control Inspection . . . . . . . . . . . . . . . . . . . 8-5

4.Remote Control ADJUSTMENT. . . . . . . . . . . . . . . . 8-6

5.Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-13

CHAPTER 9 ELECTRICAL SYSTEM

1.Electrical System . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1

2.Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-5

3.Starter Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-8

4.Alternator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-24

5.Instrument Panel . . . . . . . . . . . . . . . . . . . . . . . . . . 9-34

6.Warning Devices . . . . . . . . . . . . . . . . . . . . . . . . . . 9-36

7.Air Heater (Optional) . . . . . . . . . . . . . . . . . . . . . . . 9-39

8.Electric Type Engine Stop Device (Optional) . . . . . 9-40

9.Tachometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-42

10.AIternator 12V/80A(Optional) . . . . . . . . . . . . . . . . . 9-45

CHAPTER 10 DISASSEMBLY AND REASSEMBLY

1.Disassembly and Reassembly Precautions . . . . . . 10-1

2.Disassembly and Reassembly Tools . . . . . . . . . . . 10-2

3.Disassembly and Reassembly . . . . . . . . . . . . . . . . 10-9

4.Bolt/nut Tightening Torque. . . . . . . . . . . . . . . . . . 10-32

5.Test Running . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-33

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