What to do if my Yanmar 3JH4CE suddenly stops?
If your Yanmar Engine suddenly stops, the possible causes and solutions include: adding fuel oil and priming (I-1) if the fuel oil supply is cut off; bleeding air (I-2); removing water from the drain and fuel oil system and priming (I-3); checking and making necessary repairs (I-4); cleaning (I-5); replacing (I-6); checking and making necessary repairs (I-7).
Introduction to the service manual, emphasizing engine construction and functions.
Outlines safety marks, work area rules, and operational precautions.
Details safety and procedural guidelines for performing service tasks.
Illustrates external views of the engine with component labels.
Provides detailed technical specifications for different engine models.
Shows dimensional drawings and outlines of the engine.
Illustrates the piping configurations for various systems.
Covers emission regulations and engine identification.
Outlines the schedule for routine engine inspections and maintenance.
Details procedures for daily, 50-hour, 250-hour, and 1000-hour inspections.
Explains how to adjust engine idle and maximum speeds.
Covers inspection procedures for oil pressure and thermo switches.
Details how to inspect and test the engine thermostat.
Provides steps for performing post-maintenance engine adjustments and test runs.
Offers instructions for properly storing the engine for extended periods.
Outlines steps for preparing to diagnose engine problems.
Provides a guide for quickly identifying and resolving common engine issues.
Addresses common malfunctions related to the engine and fuel injection system.
Explains how to diagnose issues by measuring engine compression pressure.
Emphasizes careful disassembly and part management.
Lists all necessary tools, including general, special, and measuring instruments.
Offers detailed, step-by-step instructions for disassembling the engine.
Provides detailed, step-by-step instructions for reassembling the engine.
Covers inspection, cleaning, and replacement of cylinder block parts.
Details inspection and servicing procedures for the cylinder head assembly.
Explains inspection and servicing of pistons, pins, and rings.
Covers inspection and servicing of connecting rods and crank pin metals.
Details inspection and servicing of the crankshaft and main bearings.
Covers inspection and servicing of the camshaft, tappets, and push rods.
Provides inspection procedures for timing gears and backlash measurement.
Covers inspection of the flywheel, housing, and damper disc.
Details the fuel injection pump and governor system.
Explains the construction, specifications, and inspection of the fuel feed pump.
Covers the specifications and inspection of the fuel filter.
Explains the indirect seawater/fresh water cooling system.
Details the specifications, disassembly, inspection, and reassembly of the seawater pump.
Covers the construction, specifications, and inspection of the fresh water pump.
Explains the construction, specifications, and servicing of the heat exchanger.
Details the construction and function of the pressure cap and coolant recovery tank.
Covers the function, construction, and testing of the thermostat.
Provides an overview of the engine's electrical system and wiring diagrams.
Covers battery capacity, cable specifications, and maintenance.
Details the starting motor's specifications, characteristics, and structure.
Lists specifications and inspection procedures for the 12V/60A alternator.
Explains oil pressure and cooling water temperature alarms and sender units.
Lists standard specifications for engine tuning parameters like valve clearance and pressures.
Provides standard measurements for cylinder head, camshaft, and crankshaft components.
Lists tightening torques for major engine bolts and nuts.
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