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General| Number of Cylinders | 4 |
|---|---|
| Displacement | 2.19 L |
| Aspiration | Naturally aspirated |
| Combustion System | Direct injection |
| Cooling System | Fresh water cooling with heat exchanger |
| Alternator | 12V - 125A |
| Engine Type | 4-stroke, water-cooled diesel |
| Rated Output | 41.9 kW @ 3000 rpm |
| Starting System | Electric start |
| Lubrication System | Forced lubrication |
Section to record engine model, serial number, purchase date, and dealer information.
Covers general safety, before operation, during operation, and hazard warnings.
Illustrates the location of safety decals on 3JH40, 4JH45/57, and 4JH80/110 engines.
Describes features and applications of the 3JH40 common rail engine series.
Procedures for the first 50 hours of operation to ensure proper piston ring break-in.
Identifies engine components and explains nameplate information for various models.
Explains the function of major components like filters, pumps, and coolers.
Explains the electronic control system, its components, and features.
Covers instrument panels, meters, indicators, alarms, and LCD control functions.
Details on starting, station protection, and system settings for VC10/VC20.
Procedures for operating switch panels, remote controls, and system setup.
Introduces the section's content and stresses the importance of reviewing safety precautions.
Details diesel fuel specifications, safe handling, filling, and bleeding procedures.
Covers engine oil specifications, handling, checking, adding, and viscosity charts.
Provides specifications and procedures for checking and adding marine gear oil.
Details engine coolant specifications and procedures for checking and adding coolant.
Introduces engine operation topics and emphasizes safety review before proceeding.
Detailed steps for starting the engine using the B25/C35 instrument panel.
Procedures for checking the engine after starting and operating the remote control handle.
Detailed steps for normal engine shutdown and emergency stop procedures.
Operation of VC10 and VC20 systems, including starting, station protection, and E-key.
Details on warm-up mode, speed limits, and backup panel controls.
Guidance on engine starting failures, fuel system bleeding, and low-temperature operation.
Stresses the importance of periodic maintenance and reviews safety precautions.
General advice on parts, tools, and seeking professional help for maintenance.
Torque values for standard bolts, taper plugs, and pipe joint bolts.
Outlines EPA requirements and environmental conditions for engine performance.
Guidelines for inspection, maintenance schedules, and exhaust sampling port installation.
Detailed list of maintenance tasks at intervals of daily, 50, 250, 500, and 1000 hours.
Safety precautions and initial checks for troubleshooting engine issues.
Troubleshooting common operational issues and gathering necessary information for dealers.
Detailed chart mapping symptoms to probable causes and recommended measures.
Lists diagnostic trouble codes (DTCs), their descriptions, and corresponding failsafe actions.
Procedures for preparing the engine for long-term storage, including cleaning and protection.
Steps to drain seawater from the cooling system to prevent freeze damage.
Steps to prepare the engine for operation after it has been stored.
Key technical specifications for the YANMAR JH series engines, including dimensions and power.
Technical specifications for the 3JH40 engine and its associated marine gears or sail drives.
Technical specifications for the 4JH45 engine and its associated marine gears or sail drives.
Technical specifications for the 4JH57 engine and its associated marine gears or sail drives.
Technical specifications for the 4JH80 engine and its associated marine gears or sail drives.
Technical specifications for the 4JH110 engine and its associated marine gears or sail drives.
Explains the notation used to represent various components and connections in piping diagrams.
Piping diagrams illustrating the fuel, oil, and coolant systems for 3JH40 engines.
Piping diagrams for 4JH45/4JH57 engines with KM35P, KM35A2, or SD60-5 marine gears.
Piping diagrams for 4JH45/4JH57 engines with ZF30M marine gears.
Piping diagrams for 4JH80/4JH110 engines with ZF25A or FZ25 marine gears.
Piping diagrams for 4JH80/4JH110 engines with KM4A2 or KMH50V-2 marine gears.
Piping diagrams for 4JH80/4JH110 engines with ZF30M marine gears.
Information on the limited emission control system warranty for YANMAR engines in the USA.
Displays EPA and ARB emission control labels for 3JH40, 4JH45, 4JH57, 4JH80, and 4JH110 engines.
Details owner's rights, obligations, warranty coverage period, and transferability.
Lists warranted components, warranty exclusions, and provides a maintenance log template.
Outlines owner's maintenance responsibilities and provides customer assistance contact details.
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