What to do if there is insufficient fuel supply to fuel injection pump in Yanmar 4TNV84 Engine?
If there's insufficient fuel supply to the fuel injection pump in your Yanmar Engine, check the fuel tank cock, fuel filter, fuel pipe, and fuel feed pump.
What to do if water enters fuel system in Yanmar 4TNV84 Engine?
If water has entered the fuel system in your Yanmar Engine, drain it from the fuel filter.
How to increase lubricating oil level in Yanmar 4TNV84?
If the lubricating oil level is insufficient in your Yanmar Engine, add the proper lubricating oil.
What to do if lubricating oil filter is clogged in Yanmar 4TNV84?
If the lubricating oil filter in your Yanmar Engine is clogged, clean or replace it.
What to do if there is leakage from lubricating oil piping system in Yanmar Engine?
If there's leakage from the lubricating oil piping system in your Yanmar Engine, repair it.
How to fix defective pressure regulating valve in Yanmar 4TNV84 Engine?
If the pressure regulating valve is defective in your Yanmar Engine, clean, adjust, or replace it.
What to do if fuel pipe is clogged or cracked in Yanmar 4TNV84?
If the fuel pipe is clogged or cracked in your Yanmar Engine, clean or replace it.
Why is there insufficient cooling effect of radiator in Yanmar 4TNV84 Engine?
If there is insufficient cooling effect of radiator in your Yanmar Engine, it may be due to a defective thermostat (kept opened) or a slipping fan belt.
Why is there excessive cooling effect of radiator in Yanmar 4TNV84 Engine?
If there is an excessive cooling effect of the radiator in your Yanmar Engine, it may be due to a defective thermostat (kept closed).
General| Engine Model | 4TNV84 |
|---|---|
| Manufacturer | Yanmar |
| Number of Cylinders | 4 |
| Aspiration | Naturally aspirated |
| Bore x Stroke | 84 mm x 90 mm |
| Fuel System | Direct injection |
| Cooling System | Water-cooled |
| Starting System | Electric starter |
| Engine Type | Vertical, water-cooled 4-cycle diesel |
| Displacement | 1.995 L |
| Lubrication System | Forced lubrication |
| Rotation | Counterclockwise (viewed from flywheel) |
Overview of the service manual and its purpose for TNV series direct injection engines.
Details Yanmar's limited warranty, coverage, limitations, and owner's responsibilities.
Covers safety statements, including danger, warning, and caution levels for engine operation.
Provides information on component identification, specifications, and general service data.
Details the schedule and procedures for routine maintenance of the engine.
Covers engine disassembly, inspection, and reassembly procedures for various components.
Describes procedures for servicing the fuel injection pump, injectors, and related system components.
Covers safety precautions, system checks for leakage, and component identification.
Details the servicing procedures for the trochoid oil pump and engine oil specifications.
Covers turbocharger service information, troubleshooting, component functions, and washing procedures.
Provides information on starter motor specifications, troubleshooting, components, and servicing procedures.
Lists standard and optional dynamo and alternator models with their specifications and ratings.
Describes engines with electronic control, safety precautions, and system features like speed control and starting aid.
Highlights crucial safety precautions for electrical wiring to prevent component failure and warranty issues.
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