What to do if there is insufficient fuel supply to fuel injection pump in Yanmar 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 4TNV84T 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 4TNV84T?
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 4TNV84T Engine?
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 4TNV84T?
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 4TNV84T 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 4TNV84T Engine?
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 4TNV84T?
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.
General| Engine Model | 4TNV84T |
|---|---|
| Aspiration | Turbocharged |
| Cooling System | Water-cooled |
| Fuel System | Direct injection |
| Number of Cylinders | 4 |
| Starting System | Electric starter |
| Displacement | 1.995 L |
| Bore x Stroke | 84 mm x 90 mm |
| Max. Torque | 142 Nm at 1600 rpm |
| Lubrication System | Forced lubrication |
| Engine Type | Water-cooled, 4-cycle diesel |
Identifies the manual's application for industrial engines.
Details standard warranty coverage, duration, owner responsibilities, and limitations.
Explains the specific warranty for emission control systems in the USA.
Defines safety alert symbols (DANGER, WARNING, CAUTION) and their meanings.
Lists critical safety warnings related to hazards like scald, explosion, fire, entanglement, and exposure.
Covers model numbers, speed, general specs, and component identification.
Details emission control regulations (EPA/ARB, 97/68/EC) and engine family information.
Explains the purpose and function of key engine components and systems.
Provides specifications for diesel fuel, engine oil, and engine coolant.
Covers engine inspection standards, tightening torques, abbreviations, and unit conversions.
Essential safety precautions and preparation steps before performing maintenance.
Outlines maintenance intervals and detailed procedures for various service tasks.
Safety guidelines specific to engine servicing and disassembly.
Details specifications and procedures for cylinder heads (2-valve and 4-valve).
Covers specifications and service for crankshaft, piston, connecting rod, and camshaft.
Lists special service tools, measuring instruments, and engine standards.
Step-by-step guide for measuring and adjusting valve clearance.
Critical safety warnings before servicing the fuel system.
Explains MP fuel injection pump, its components, removal, installation, and timing.
Covers fuel injector removal, testing, disassembly, adjustment, and installation.
Essential safety warnings before servicing the cooling system.
Includes cooling system diagram, component identification, and leak checks.
Procedures for removing, disassembling, inspecting, and installing the coolant pump.
Safety precautions and lubrication system diagram.
Covers engine oil pressure and oil pump dimensions.
Detailed steps for oil pump disassembly, cleaning, inspection, and reassembly.
Safety warnings and general information about turbocharger servicing.
Lists turbocharger specs and common troubleshooting issues.
Identifies turbocharger parts and explains its theory of operation.
Covers washing, periodic inspection, rotor play, and waste gate tests.
Step-by-step guide for installing the turbocharger.
Critical safety warnings before servicing the starter motor.
Details starter motor models, specifications, and troubleshooting.
Identifies starter motor parts and outlines disassembly steps.
Covers cleaning, testing, and reassembly procedures for starter motor components.
Steps for reinstalling the starter motor onto the engine.
Safety warnings before servicing alternators and dynamos.
Lists models, specifications, and optional dynamos/alternators.
Covers troubleshooting, wiring diagrams, and standard output.
Details removal, disassembly, reassembly, and installation of the alternator.
Outlines testing and service procedures for the dynamo.
Safety warnings related to E-ECU, fuel injection pump, and engine modifications.
Describes system features, models, and harness connections.
Safety guidelines for electrical wiring and battery connections.
Provides tables for wire resistance, voltage drop, and AWG to European standards conversion.
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