Part of the Yanmar Repair Manuals.
Deep into a cylinder head job on a 3TNV70, the work stalls for want of one number: the head bolt torque. Yanmar publication 0BTNV0-U0100 has it. This is the factory-issued service manual for the 2005 to 2007 TNV series industrial diesels, covering the 2TNV70, 3TNV70, and 3TNV76.
Across 288 pages it moves from periodic maintenance schedules into full engine service, with cylinder head, camshaft and timing gear train, and crankshaft and piston specifications, then through the fuel system with injection pressures and special service tools, plus cooling, lubrication, starter motor, alternator, electric wiring, and a troubleshooting chapter built around compression measurement.
The PDF is an 18 MB download with 350 bookmarks, so you can jump straight to a spec table or print the pages you need at the bench. It also lists service part numbers, such as oil filter 119305-35150, so you order the right part the first time.
Complete the set for your 2TNV70, 3TNV70, 3TNV76
- Operator Manual: Yanmar 2TNV70-4TNV106T Industrial Engine Operator Manual
- Operator Manual: Yanmar TNV Series Industrial Engine Operator Manual
Other edition of this manual
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| Yanmar Warranties | 7-14 | Yanmar Limited Warranty (What Is Covered by This Warranty?, How Long Is the Warranty Period?, What the Engine Owner Must Do:, To Locate an Authorized Yanmar Industrial Engine Dealer or Distributor:, What Yanmar Will Do:, What Is Not Covered by This Warranty?, Warranty Limitations:, Warranty Modifications:, Questions:, Retail Purchaser Registration.) |
| Safety | 15-34 | Safety Statements, Safety Precautions (Before You Operate, During Operation and Maintenance) |
| General Service Information | 35-62 | Component Identification, Location of Labels, EPA / Arb Emission Control Regulations - Usa Only, Emission Control Labels, The 97/68/EC Directive Certified Engines, Engine Family |
| Periodic Maintenance | 63-100 | Precautions, Periodic Maintenance Schedule, Periodic Maintenance Procedures |
| Engine | 101-162 | Before You Begin Servicing, Introduction, Cylinder Head Specifications, Camshaft and Timing Gear Train Specifications, Crankshaft and Pistons Specifications |
| Fuel System | 163-194 | Before You Begin Servicing, Introduction, Fuel System Specifications, Special Service Tools, Measuring Instruments, Fuel System Diagram, Fuel System Components |
| Cooling System | 195-206 | Before You Begin Servicing, Introduction, Cooling System Diagram, Engine Coolant Pump Components, Engine Coolant System Check, Engine Coolant Pump |
| Lubrication System | 207-218 | Before You Begin Servicing, Introduction, Oil Pump Service Information, Lubrication System Diagram, Checking Engine Oil Pressure, Trochoid Oil Pump |
| Starter Motor | 219-238 | Before You Begin Servicing, Introduction, Starter Motor Information, Starter Motor Specifications, Starter Motor Troubleshooting, Starter Motor Components |
| Alternator | 239-260 | Before You Begin Servicing, Introduction, Standard and Optional Dynamo Information, Standard and Optional Alternator Information, Alternator Specifications, Dynamo Specifications |
| Electric Wiring | 261-268 | Electric Wiring Precautions, Electrical Wire Resistance, Battery Cable Resistance, Electrical Wire Sizes - Voltage Drop, Conversion of Awg to European Standards |
| Troubleshooting | 269-288 | Special Service Tools, Troubleshooting by Measuring Compression Pressure, Quick Reference Table for Troubleshooting |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Cylinder Head Bolts Torque | 40 - 43 ft·lbs (53.9 - 57.9 N·m; 5.5 - 5.9 kgf·m) | p. 115 |
| Fuel Filter / Water Separator Check Frequency | Every 250 hours | p. 80 |
| Fuel Filter / Water Separator Clean Frequency | Every 500 hours | p. 80 |
| Engine Oil Filter Replacement Frequency (Initial) | After Initial 50 Hours of Operation | p. 81 |
| Engine Oil Filter Replacement Frequency (Subsequent) | Every 250 hours | p. 80 |
| Air Cleaner Element Clean or Replace Frequency | Every 500 hours | p. 80 |
| Maximum Air Intake Restriction | 0.90 psi (6.23 kPa; 635 mm Aq) or less | p. 92 |
| Fuel Injector Pressure (used parts) | 1711 - 1856 psi (11.8 - 12.8 MPa; 120 - 130 kgf/cm²) | p. 169 |
| Fuel Injector Torque | 29 ft·lbs (39.2 N·m, 4 kgf·m) | p. 169 |
| Fuel Pump Drive Gear Nut Torque | 44 - 51 ft·lbs (59 - 69 N·m; 6 - 7 kgf·m) | p. 169 |
| Electric Fuel Pump Voltage | 12 VDC | p. 40 |
| Cooling Fan V-belt Check & Adjust Frequency (Initial) | 1st time (After Initial 50 Hours of Operation) | p. 80 |
