Yanmar 4JHBE, Service Manual

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Models
4JH(B)E · 4JH-T(B)E
4JH-HT(B)E · 4JH-DT(B)E
CHAPTER 1 GENERAL
1. Exterior Views 1-1
2. Specifications 1-4
3. Construction 1-5
4. Performance Curves 1-6
5. Engine Cross Section 1-10
6. Dimmensions 1-11
7. Piping Diagrams 1-15
8. Parts Interchangeability 1-18
CHAPTER 2 BASIC ENGINE PARTS
1. Cylinder Block 2-1
2. Cylinder Liners 2-4
3. Cylinder Head 2-6
4. Piston and Piston Pins 2-13
5. Connecting Rod 2-17
6. Crankshaft and Main Bearing 2-20
7. Camshaft and Tappets 2-23
8. Tming Gear 2-26
9. Flywheel and Housing 2-28
CHAPTER 3 FUEL INJECTION EQUIPMENT
1. Fuel Supply System 3-1
2. Dissassembly, Reassembly and Inspection of Governor 3-9
3. Dissassembly, Reassembly and Inspection of Fuel Injection Pump 3-18
4. Adjustment of Fuel Injection Pump and Governor 3-28
5. Automatic Advancing Timer 3-34
6. Fuel Feed Pump 3-36
7. Fuel Injection Nozzle 3-38
8. Troubleshooting 3-42
9. Fuel Injection Pump Service Data 3-44
10. Tools 3-45
11. Fuel Filter 3-47
12. Fuel Tank (Optional) 3-48
13. Design Change of Fuel Piping Line 3-49
CHAPTER 4 INTAKE AND EXHAUST SYSTEM
1. Intake and Exhaust System 4-1
2. Intake Silencer 4-4
3. Intake Manifold 4-5
4. Turbocharger 4-6
5. Mixing Elbow 4-21
6. Breather 4-22
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 5-11
7. Rotary Waste Oil Pump (Optional) 5-12
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 Excharger 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 7a REDUCTION AND REVERSING GEAR
(Marine gear model KBW 20 and 21)
1. Construction 7-1
2. Installation 7-6
3. Inspecting and Servicing 7-7
4. Operation and Servicing 7-8
5. Disassembly 7-13
6. Reassembly 7-17
7. Special Tools 7-23
CHAPTER 7b REDUCTION AND REVERSING GEAR
(Marine gear model KM4A, Angle drive)
1. Construction 7-24
2. Shifting Device 7-28
3. Inspecting and Servicing 7-33
4. Special Tools 7-43
5. Disassembly 7-45
6. 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
CHAPTER 9 ELECTRICAL SYSTEM
1. Electrical System 9-1
2. Battery 9-6
3. Starter Motor 9-9
4. Alternator 9-20
5. Instrument Panel and Wiring Codes 9-30
6. Warning Devices 9-35
7. Air Heater (Optional) 9-38
8. Electric Type Stop Device (Optional) 9-39
9. Tachometer 9-41
10. Alternator 12V/80A (Optional) 9-44
CHAPTER 10 DISASSEMBLY AND REASSAMBLY
1. Disassembly and Reassambly Precautions 10-1
2. Disassembly and Reassambly Tools 10-2
3. Disassembly and Reassambly 10-9
4. Bolt/nut Tightening Torque 10-32
5. Test Running 10-33