This service manual covers the YANMAR 2QM20(H) and 3QM30(H) Marine Diesel Engines. These naturally aspirated, water-cooled engines utilize compression ignition and an indirect injection fuel system, featuring a mechanical governor for precise control. The 2QM20(H) model offers 20 PS at 2400 RPM with a displacement of 1.341 L, while the 3QM30(H) provides 30 PS at 2400 RPM from its 2.012 L displacement. Both engines share a bore of 76 mm and a stroke of 73 mm. These engines are engineered for reliability and performance in marine applications, incorporating robust construction and proven diesel technology.
This comprehensive service repair manual, presented in English, provides essential information for maintaining and repairing your YANMAR marine diesel engine. It includes detailed procedures for servicing, technical maintenance, and troubleshooting, supported by extensive illustrations, exploded diagrams, drawings, and photos. The manual is designed to be searchable and bookmarkable, ensuring efficient access to critical data. Owners, mechanics, and technicians will find the technical specifications and step-by-step guidance invaluable for ensuring the optimal performance and longevity of the 2QM20(H) and 3QM30(H) models.
This is the COMPLETE Official Service Repair Manual for the YANMAR 2QM20(H), 3QM30(H) MARINE DIESEL ENGINE. This manual contains service, repair procedures, assembling, disassembling, wiring diagrams and everything you need to know.
Models Covered:
=========
Yanmar Marine Diesel Engine 2QM20(H), 3QM30(H)
The Service Manual contains detailed information, electrical and hydraulic diagrams, actual real photo illustrations and schemes, which give you complete step-by-step operations on repair, servicing, technical maintenance & troubleshooting procedures for your machine. this manual offers full information you need for repair your machine. the information in this manual will enable you to find trouble and to understand how to repair and maintain your machine without going into service. all pages are printable, so run off what you need and take it with you into the garage or workshop.
TABLE OF CONTENTS:
=========
CHAPTER 1. GENERAL
CHAPTER 2. BASIC ENGINE
CHAPTER 3. FUEL SYSTEM
CHAPTER 4. GOVERNOR
CHAPTER 5. INTAKE AND EXHAUST SYSTEM
CHAPTER 6. LUBRICATION SYSTEM
CHAPTER 7. COOLING SYSTEM
CHAPTER 8. CHAIN-OVERDRIVE HAND-OPERATED SYSTEM
CHAPTER 9. REDUCTION AND REVERSING GEAR
CHAPTER 10. REMOTE CONTROL SYSTEM
CHAPTER 11. ELECTRICAL SYSTEM
CHAPTER 12. INSTALLATION AND FITTING
CHAPTER 13. OPERATING INSTRUCTIONS
CHAPTER 14. DISASSEMBLY AND REASSEMBLY
CHAPTER 15. INSPECTION AND SERVICING
===========
** Model Specification: YANMAR 2QM20(H), 3QM30(H) MARINE DIESEL ENGINE
** Language: English
** Total Pages: 349
** File Format: PDF
** Requirements: Adobe PDF Reader
** ZOOM IN/OUT: YES
** INSTANT DELIVERY: YES
** Specifications: FULLY PRINTABLE & BOOKMARKED
** Compatible: All Versions of Windows & Mac, APP ISO, Iphone, Ipod, Android etc
===========
This QUALITY manual is 100 percents COMPLETE and INTACT, no MISSING/CORRUPT pages/sections to freak you out!
This PDF file is Bookmarked and SEARCHABLE to make what you need easy to find.
Detailed illustrations, exploded diagrams, drawings and photos guide you through every service repair procedure.
This manual can be viewed on any computer, as well as zoomed and printed.
Complete download comes in PDF format which can work under all PC based Windows operating system and Mac also. It saves to your hard-drive and can be burned to CD-ROM.
INSTANT DOWNLOAD MEANS THERE WILL BE NO SHIPPING COSTS OR WAITING FOR A PAPER OR CD MANUAL TO ARRIVE IN THE MAIL. YOU WILL RECEIVE THIS MANUAL TODAY VIA INSTANT DOWNLOAD ON COMPLETION OF PAYMENT VIA OUR SECURE PAYMENT PROCESSOR.
WE ACCEPT ALL MAJOR CREDIT/DEBIT CARDS AND PAYPAL.
YOU CAN DO THE REPAIRS YOURSELF AND SAVE MONEY $$$$$$$
BUY FROM US AND I GUARANTEE YOU'LL BE A SATISFIED CUSTOMER AND CONTACT US IF YOU HAVE ANY QUESTIONS.
Looking for some other Service Repair Manual, please check:
This is the COMPLETE Official Service Repair Manual for the YANMAR 2QM20(H), 3QM30(H) MARINE DIESEL ENGINE. This manual contains service, repair procedures, assembling, disassembling, wiring diagrams and everything you need to know.
Models Covered:
=========
Yanmar Marine Diesel Engine 2QM20(H), 3QM30(H)
The Service Manual contains detailed information, electrical and hydraulic diagrams, actual real photo illustrations and schemes, which give you complete step-by-step operations on repair, servicing, technical maintenance & troubleshooting procedures for your machine. this manual offers full information you need for repair your machine. the information in this manual will enable you to find trouble and to understand how to repair and maintain your machine without going into service. all pages are printable, so run off what you need and take it with you into the garage or workshop.
TABLE OF CONTENTS:
=========
CHAPTER 1. GENERAL
CHAPTER 2. BASIC ENGINE
CHAPTER 3. FUEL SYSTEM
CHAPTER 4. GOVERNOR
CHAPTER 5. INTAKE AND EXHAUST SYSTEM
CHAPTER 6. LUBRICATION SYSTEM
CHAPTER 7. COOLING SYSTEM
CHAPTER 8. CHAIN-OVERDRIVE HAND-OPERATED SYSTEM
CHAPTER 9. REDUCTION AND REVERSING GEAR
CHAPTER 10. REMOTE CONTROL SYSTEM
CHAPTER 11. ELECTRICAL SYSTEM
CHAPTER 12. INSTALLATION AND FITTING
CHAPTER 13. OPERATING INSTRUCTIONS
CHAPTER 14. DISASSEMBLY AND REASSEMBLY
CHAPTER 15. INSPECTION AND SERVICING
===========
** Model Specification: YANMAR 2QM20(H), 3QM30(H) MARINE DIESEL ENGINE
** Language: English
** Total Pages: 349
** File Format: PDF
** Requirements: Adobe PDF Reader
** ZOOM IN/OUT: YES
** INSTANT DELIVERY: YES
** Specifications: FULLY PRINTABLE & BOOKMARKED
** Compatible: All Versions of Windows & Mac, APP ISO, Iphone, Ipod, Android etc
===========
This QUALITY manual is 100 percents COMPLETE and INTACT, no MISSING/CORRUPT pages/sections to freak you out!
This PDF file is Bookmarked and SEARCHABLE to make what you need easy to find.
Detailed illustrations, exploded diagrams, drawings and photos guide you through every service repair procedure.
This manual can be viewed on any computer, as well as zoomed and printed.
Complete download comes in PDF format which can work under all PC based Windows operating system and Mac also. It saves to your hard-drive and can be burned to CD-ROM.
INSTANT DOWNLOAD MEANS THERE WILL BE NO SHIPPING COSTS OR WAITING FOR A PAPER OR CD MANUAL TO ARRIVE IN THE MAIL. YOU WILL RECEIVE THIS MANUAL TODAY VIA INSTANT DOWNLOAD ON COMPLETION OF PAYMENT VIA OUR SECURE PAYMENT PROCESSOR.
WE ACCEPT ALL MAJOR CREDIT/DEBIT CARDS AND PAYPAL.
YOU CAN DO THE REPAIRS YOURSELF AND SAVE MONEY $$$$$$$
BUY FROM US AND I GUARANTEE YOU'LL BE A SATISFIED CUSTOMER AND CONTACT US IF YOU HAVE ANY QUESTIONS.
Looking for some other Service Repair Manual, please check:
