Part of the Yanmar Parts Manuals.
From the cylinder block and gear housing out to the fuel injection pump internals and the governor, every assembly on the Yanmar 3TNV82A-M5FA gets its own exploded illustration here, keyed to a parts list on the following page. It is Yanmar publication Y00V9010, the parts catalog for 3TNV82A-M5FA engines manufactured since October 2003, whatever the engine happens to be bolted into.
Anyone who has guessed at a bush or oil seal from a worn casting knows how that ends: a week of waiting and the wrong part on the bench. With this catalog open you can match every bearing metal, gasket, and O-ring to its exact Yanmar number before you order, right down to the M22 sump drain plug.
The PDF runs 21 bookmarked pages at under half a megabyte, quick to load and clean to print. Write the engine model and serial number on your order sheet, as the preface asks, and the right parts arrive the first time.
What's Inside This Yanmar 3TNV82A-M5FA Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Cylinder Block | 3 | Block Assy, Cylinder, Plug, Bush, Camshaft, Metal, Main, Bearing |
| Gear Housing | 4 | Housing Assy, Gear, Seal, Oil, Cover Assy, Pump, Valve, Relief |
| Flywheel Housing & Oil Sump | 5 | Housing, Flywheel, Cap, Flywheel Cover, Oil Sump, Drain Plug, Case Assy, Oil Seal |
| Cylinder Head & Bonnet | 6 | Lifter, Engine, Shaft Assy, Rocker, Head Assy, Cylinder, Valve, Intake |
| Suction Manifold & Air Cleaner | 7 | Manifold, Intake, Gasket, Int. Manifold, Cleaner Assy, Air, Element, Outer |
| Exhaust Manifold & Silencer | 8 | Manifold, Exhaust, Gasket, Exh. Manifold, Silencer, Stay, Clamp |
| Camshaft & Driving Gear | 9 | Tappet, Camshft Assy, Gear, Camshaft, Shaft, Idle Gear, Gear Assy, Idle |
| Crankshaft & Piston | 10 | Crankshaft Assy, Gear, Crankshaft, V-Pulley, Piston Wiring, Ring Set, Piston |
| Lub.Oil System | 11 | Dipstick, Oil Inlet, Oil Cooler, Oil Filter, Drain Plug, Cooler Pipes |
| Cooling Water System | 12 | Water Pump, Thermostat, Fan, V-Belt, V-Pulley, Cooling Pipes |
| Fuel Injection Pump | 13 | Pump Assy, Delivery Valve, Lifter, Timer Set, Feed Pump |
| Fuel Injection Valve | 14 | Fuel Injector, Nozzle, Holder, Nozzle Spring, Shim Pack, Injection Pipe |
| Fuel Line | 15 | Fuel Filter, Fuel Pipe, Fuel Pump, Fuel Separator |
| Starting Motor | 16 | Starter, Magnetic Switch, Armature, Brush Holder, Planet Gear, Pinion |
| Generator | 17 | Rotor, Pulley, Regulator, Brush, Adjuster Belt |
| Gasket Set | 18 | Gasket, O-Ring, Seal, Wrench, Driver, Flex Horn |
| Fuel Injection Pump (Inner Parts) | 19-20 | Valve Assy, Dilevery, Timer Set, Piston, Damper Assy, Pump Assy, Feed, Seal Washer |
| Governor (Inner Parts) | 21 | Lever, Regulator, Bolt, Idle Limit, Retainer, Shaft, Solenoid, Stop |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Parallel Pin | 8x16mm | p. 5 |
| Drain Plug | M22 | p. 5 |
| Spring Pin | 6x12mm | p. 6 |
| L.O. Switch Pressure | 0.5KG | p. 11 |
| Key | 7x14mm | p. 9 |
| Woodruff Key | 4x16mm | p. 19 |
Yanmar 3TNV82A-M5FA Common Problems This Manual Covers
Cranks but will not fire
Water in the fuel or a plugged filter is the usual reason this engine cranks with white puffs and never lights. The Fuel Line section itemizes the fuel filter, separator, fuel pump, and pipes so you can renew the whole supply run in one order.
Manual Section: Fuel Line p. 15White smoke and rough injection
Nozzles that dribble instead of atomizing show up as white smoke and uneven running. The Fuel Injection Valve section breaks out the injector, nozzle, holder, nozzle spring, shim pack, and injection pipes so each unit can be rebuilt or replaced with the correct numbers.
Manual Section: Fuel Injection Valve p. 14Coolant leaks at the water pump
Seepage around the pump housing with a noisy bearing means the pump is on its way out. The Cooling Water System page lists the water pump, thermostat, fan, V-belt, and cooling pipes together, so one order fixes the leak and refreshes the drive.
Manual Section: Cooling Water System p. 12Oil burning after high hours
Worn rings announce themselves as blue smoke and a dipstick that drops between changes. The Crankshaft & Piston section lists the piston and ring set alongside the crankshaft components you will want to inspect while the bottom end is open.
Manual Section: Crankshaft & Piston p. 10Low oil pressure at idle
A flickering oil lamp at hot idle sends you to the Lub.Oil System page, which covers the oil filter, oil cooler and its pipes, dipstick, and the pressure switch itself, so you can rule out the sender before condemning the bearings.
Manual Section: Lub.Oil System p. 11Starter clicks but will not spin
Worn brushes or a tired magnetic switch leave you with a click and nothing else. The Starting Motor section exposes the armature, brush holder, planet gear, and pinion, so you can rebuild the starter instead of swapping it whole.
Manual Section: Starting Motor p. 16RPM droop above idle
An engine that idles fine but stumbles at half throttle often traces to worn delivery valves or a weak feed pump. Fuel Injection Pump (Inner Parts) itemizes the delivery valve assemblies, feed pump, and timer set for a proper pump rebuild.
Manual Section: Fuel Injection Pump (Inner Parts) p. 19Frequently Asked Questions
Which engines does this parts catalog cover?
It covers the Yanmar 3TNV82A-M5FA diesel engine, all units manufactured since October 2003, under Yanmar publication Y00V9010. Coverage is the engine itself, whatever machine, genset, or vessel it happens to be installed in. p. 1
Does it include Yanmar part numbers for ordering?
Yes. Every system gets an exploded illustration keyed to a parts list with Yanmar part numbers, and the How To Read This Parts Catalog section explains the change, interchangeability, and remarks marks so you can tell superseded numbers from current ones. p. 2
Are the injection pump internals broken out?
Yes. Fuel Injection Pump (Inner Parts) on pages 19 and 20 itemizes the delivery valve assemblies, feed pump, timer set, and seal washers, and Governor (Inner Parts) on page 21 covers the regulator levers, idle limit hardware, and stop solenoid. p. 19
How quickly can I access this manual after buying?
Immediate download of the complete 21-page searchable Parts Catalog. Access it on any device, from a laptop at your desk to a phone in the field.
Can I print this manual?
Yes, print as many copies as you want, and there are no restrictions. Many mechanics print the section they need and bring it to the shop floor.
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