This manual covers the YANMAR JH3 Series marine diesel engines, including the 3JH3, 4JH3E, 4JH3-T(B)E, 4JH3-HTBE, 4JH3(B)(C)E(A), 3JH3(B)(C)E(A), and 4JH3CE1 models. These engines range from 40 to 125 horsepower and are engineered for robust performance and reliability in demanding marine applications. Their advanced design and quality construction ensure efficient operation and longevity, making them a trusted choice for various workboat and recreational vessel requirements.
This comprehensive workshop repair and factory service manual provides detailed information essential for the maintenance, diagnosis, and repair of the JH3 Series engines and associated marine gear models KBW 20, 21, and KM4A. It includes in-depth coverage of general information, engine parts, fuel injection, intake and exhaust systems, lubrication, cooling, reduction and reversing gears, remote control, electrical systems, and disassembly/reassembly procedures. This manual is an indispensable resource for owners, technicians, and mechanics seeking to ensure optimal performance and longevity of their YANMAR marine diesel engines.
YANMAR JH3 3JH3 4JH3 E TE HTE DTE B C 4JH3CE1 MARINE DIESEL WORKSHOP REPAIR FACTORY SERVICE MANUAL
(PDF FORMAT)
JH3 Series
3JH3/4JH3E 40-125 HP
4JH3-T(B)E 75 HP
4JH3-HTBE 100 HP
4JH3(B)(C)E(A)
3JH3(B)(C)E(A)
4JH3CE1
CONTENTS
CHAPTER 1 GENERAL
CHAPTER 2 BASIC ENGINE PARTS
CHAPTER 3 FUEL INJECTION EQUIPMENT
CHAPTER 4 INTAKE AND EXHAUST SYSTEM
CHAPTER 5 LUBRICATION SYSTEM
CHAPTER 6 COOLING WATER SYSTEM
CHAPTER 7a REDUCTION AND REVERSING GEAR
(Marine gear model KBW 20 and 21)
CHAPTER 7b REDUCTION AND REVERSING GEAR
(Marine gear model KM4A, Angle drive)
CHAPTER 8 REMOTE CONTROL
CHAPTER 9 ELECTRICAL SYSTEM
CHAPTER 10 DISASSEMBLY AND REASSAMBLY
YANMAR JH3 3JH3 4JH3 E TE HTE DTE B C 4JH3CE1 MARINE DIESEL WORKSHOP REPAIR FACTORY SERVICE MANUAL
(PDF FORMAT)
JH3 Series
3JH3/4JH3E 40-125 HP
4JH3-T(B)E 75 HP
4JH3-HTBE 100 HP
4JH3(B)(C)E(A)
3JH3(B)(C)E(A)
4JH3CE1
CONTENTS
CHAPTER 1 GENERAL
CHAPTER 2 BASIC ENGINE PARTS
CHAPTER 3 FUEL INJECTION EQUIPMENT
CHAPTER 4 INTAKE AND EXHAUST SYSTEM
CHAPTER 5 LUBRICATION SYSTEM
CHAPTER 6 COOLING WATER SYSTEM
CHAPTER 7a REDUCTION AND REVERSING GEAR
(Marine gear model KBW 20 and 21)
CHAPTER 7b REDUCTION AND REVERSING GEAR
(Marine gear model KM4A, Angle drive)
CHAPTER 8 REMOTE CONTROL
CHAPTER 9 ELECTRICAL SYSTEM
CHAPTER 10 DISASSEMBLY AND REASSAMBLY
