Part of the Yanmar Repair Manuals.
Looking for the exact factory procedures to rebuild your Yanmar TNV series industrial engine? All 392 pages of this Yanmar 3TNV88-U service manual PDF (OEM #0BTNV-G00101) focus entirely on bringing your 3TNV82A, 3TNV84, 4TNV88, and other variants back to factory condition. Inside, you get complete electrical wiring diagrams, extensive troubleshooting charts mapped by compression pressure, and step-by-step teardown instructions for the fuel injection pump. Open the engine section to find massive torque charts and clearance specifications for every rotating assembly. Set intake and exhaust valve clearance to 0.006 - 0.010 inches (0.15 - 0.25 mm) for most models, or 0.010 - 0.014 inches (0.25 - 0.35 mm) for 4TNV106 and 4TNV106T models, and torque the cylinder head bolts to the model-specific spec in the engine section. Stop rebuilding blocks on guesswork and outdated forum advice. Download this cleanly bookmarked file, pull it up on your shop tablet, and get the job done right.
What's Inside This Yanmar TNV Series Manual
| System | Pages | Key Topics |
|---|---|---|
| Introduction | 7-8 | |
| Yanmar Warranties | 9-16 | Yanmar Limited Warranty, Emission System Warranty |
| Safety | 17-40 | |
| General Service Information | 41-90 | Diesel Fuel, Engine Oil, Engine Coolant, Specifications |
| Periodic Maintenance | 91-132 | Before You Begin Servicing, Periodic Maintenance Schedule, Periodic Maintenance Procedures |
| Engine | 133-240 | Before You Begin Servicing, Cylinder Head Specifications, Camshaft and Timing Gear Train Specifications, Crankshaft and Piston Specifications, Special Torque Chart |
| Fuel System | 241-284 | Before You Begin Servicing, Fuel System Components, Fuel Injection Pump, Fuel Injectors |
| Cooling System | 285-298 | Before You Begin Servicing, Engine Coolant Pump |
| Lubrication System | 299-318 | Oil Pump Service Information, Trochoid Oil Pump |
| Turbocharger | 319-334 | Periodic Inspection |
| Starter Motor | 335-354 | Removal of Starter Motor, Disassembly of Starter Motor, Cleaning and Inspection, Reassembly of Starter Motor, Check Pinion Projection Length, No-Load Test |
| Alternator | 355-376 | Before You Begin Servicing, Dynamo |
| Troubleshooting | 377-388 | Troubleshooting by Measuring Compression Pressure, Quick Reference Table for Troubleshooting |
| Electric Wiring | 389-392 |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| 3TNV82A, 3TNV84, 3TNV84T, 3TNV88, 4TNV84, 4TNV84T, 4TNV88 | ||
| Cylinder Head Bolt Torque | 63 - 67 ft·lb (85.3 - 91.1 N·m; 8.7 - 9.3 kgf·m) | p. 157 |
| All Models | ||
| Fuel Injector Retainer Bolt Torque | 29 ft·lb (39.2 N·m; 4 kgf·m) | p. 251 |
| Normal Oil Pressure at Low Idle Speed | 0.06MPa (0.6kgf/cm2) or greater | p. 303 |
| Fuel Injection Pump Mounting Nuts Torque | 17 - 21 ft·lb (23 - 28 N·m; 2.3 - 2.9 kgf·m) | p. 251 |
| Engine Coolant Pump Replacement | Replace as an assembly if abnormal noise, sticking, excessive play, or water leakage are present. | p. 292 |
| Thermostat Valve Opening Temperature (Standard) | 157°F - 163°F (70°C - 73°C) | p. 85 |
| 4TNV106, 4TNV106T | ||
| Intake/Exhaust Valve Clearance | 0.010 - 0.014 in. (0.25 - 0.35 mm) | p. 138 |
| Intake / Exhaust Valve Clearance (4TNV106, 4TNV106T) | 0.25 - 0.35 mm | p. 85 |
| 3TNV82A-B, 3TNV88-B,-U, 4TNV88-B,-U | ||
| Glow Plug Torque | 133 - 177 in·lb (15 - 20 N·m; 1.53 - 2.04 kgf·m) | p. 159 |
| 3TNV82A(-B) | ||
| Engine Oil Capacity (Upper Limit) | 5.5 L | p. 57 |
| Engine Coolant Capacity | 1.8 L | p. 60 |
| All models except 4TNV106, 4TNV106T | ||
| Intake / Exhaust Valve Clearance (All models except 4TNV106, 4TNV106T) | 0.15 - 0.25 mm | p. 85 |
