This Complete Factory Yanmar TNM Series - 3TNM68 and 3TNM72 Industrial Engine Owners, Operators Manual has detailed instructions, diagrams and illustrations based on the manufacturers specifications.

IMPROVED PDF MANUALS HAVE: Bookmarks, Searchable Text, Index and Improved Quality.

It is the same exact manual received when the machine was new.

An Operators Manual is also called an Instruction, Owner or User Manual.

It covers many aspects of operating and maintaining your machine.
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* LANGUAGE: English
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* SEARCHABLE - BOOKMARKED - INDEXED
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CONTENTS:

YANMAR WARRANTIES ................................................................................. iii
Yanmar Limited Warranty ................................................................... iii
What is Covered by this Warranty? ............................................. iii
How Long is the Warranty Period? .............................................. iii
What the Engine Owner Must Do: ............................................... iv
To Locate an Authorized Yanmar Industrial Engine
Dealer or Distributor: .................................................................... iv
What Yanmar Will Do: ................................................................. iv
What is Not Covered by this Warranty? ....................................... v
Warranty Limitations: .................................................................... v
Warranty Modifications: ................................................................ v
Questions: ..................................................................................... v
Emission System Warranty ............................................................... vii
Yanmar Co., Ltd. Limited Emission Control System
Warranty - USA Only ......................................................................... vii
Your Warranty Rights and Obligations: ....................................... vii
Manufacturer's Warranty Period: ................................................. vii
Warranty Coverage: ................................................................... viii
Warranted Parts: ........................................................................ viii
Exclusions: ................................................................................... ix
Owner's Warranty Responsibilities: .............................................. ix

INTRODUCTION ............................................................................................ xi
Record of Ownership ......................................................................... xii

TABLE OF CONTENTS ................................................................................. xiii

SAFETY ........................................................................................................ 1
Safety Statements ............................................................................... 1
Safety Precautions .............................................................................. 2
Before You Operate ...................................................................... 2

PRODUCT OVERVIEW .................................................................................... 7
Yanmar TNM Engine Features and Applications ................................ 7
Component Identification ..................................................................... 8
Location of Labels .............................................................................. 9
EPA I CARB Emission Control Regulations - USA Only ..................... 9
Emission Control Labels .................................................................... 10
EPA I CARB Labels ..................................................................... 10
The 97/68/EC Directive Certified Engines ......................................... 10
Engine Family .................................................................................... 11
Function of Major Engine Components ............................................. 12
Function of Cooling System Components ......................................... 14
Gauges and Indicators ..................................................................... 15
Gauges ........................................................................................ 15
Indicators ..................................................................................... 16
Controls ............................................................................................. 17
Key Switch ................................................................................... 17
Glow Plugs .................................................................................. 17
Governor Lever ........................................................................... 18
Engine Stop Solenoid .................................................................. 18

BEFORE YOU OPERATE .............................................................................. 19
Diesel Fuel ........................................................................................ 19
Diesel Fuel Specifications ........................................................... 19
Filling the Fuel Tank .................................................................... 21
Priming the Fuel System ............................................................. 21
Engine Oil .......................................................................................... 22
Engine Oil Specifications ............................................................ 22
Engine Oil Viscosity ..................................................................... 23
Checking Engine Oil .................................................................... 23
Adding Engine Oil. ....................................................................... 23
Engine Oil Capacity (Typical) ...................................................... 24
Engine Coolant. ................................................................................. 24
Engine Coolant Specifications ..................................................... 24
Filling Radiator with Engine Coolant ........................................... 24
Daily Check of the Cooling System ............................................. 25
Engine Coolant Capacity (Typical) .............................................. 26
Daily Checks ..................................................................................... 26
Visual Checks .............................................................................. 26
Check Diesel Fuel, Engine Oil and Engine Coolant Levels ......... 26
Check Engine Speed Control ..................................................... 26
Check Operator's Console .......................................................... 26
Check Indicators .......................................................................... 27

ENGINE OPERATION ................................................................................. 29
Starting Engine .................................................................................. 30
Checking the Engine During Operation ............................................. 32
Adjust Engine Speed ......................................................................... 33
Shutting Down the Engine ................................................................. 33

PERIODIC MAINTENANCE ........................................................................... 35
Precautions ....................................................................................... 36
The Importance of Periodic Maintenance .................................... 36
Performing Periodic Maintenance ............................................... 36
The Importance of Daily Checks ................................................. 36
Keep a Log of Engine Hours and Daily Checks .......................... 36
Yanmar Replacement Parts ........................................................ 36
Tools Required ............................................................................ 36
Ask Your Authorized Yanmar Industrial Engine
Dealer or Distributor for Help ....................................................... 36
Required EPA / CARB Maintenance - USA Only ........................ 37
EPA / CARB Installation Requirements - USA Only .................... 37
Tightening Fasteners ................................................................... 37
Standard Torque Chart ...................................................................... 37
Periodic Maintenance Schedule ........................................................ 38
Periodic Maintenance Procedures .................................................... 40

TROUBLESHOOTING .................................................................................... 53
Troubleshooting Information .............................................................. 53
Troubleshooting Chart ....................................................................... 54

LONG-TERM STORAGE ............................................................................... 57
Before You Place the Engine in Long-Term Storage ........................ 57
Returning the Engine to Service ........................................................ 58

SPECIFICATIONS ........................................................................................ 59
General .............................................................................................. 59
Description of Model Number ...................................................... 59
Engine Speed Specifications ....................................................... 60
Engine General Specifications .................................................... 60
Principal Engine Specifications ......................................................... 61
3TNM68 (EPA Tier 4) .................................................................. 61
3TNM72 (EPA Tier 4) .................................................................. 62
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This manual is clear and written in a way so that just about anybody can follow it.

Completely Searchable & Bookmarked - so you can easily find what you are looking for. The ability to search makes finding what you need as easy as typing a word.

It is on an easy to read PDF file.

This manual can be viewed on any computer, as well as zoomed and printed.

Zoom it, print it, save it, and close it. Print a few pages at a time or the entire manual. No need to worry about dirty, torn or missing pages.

It has lots of pictures, diagrams, illustrations and charts.

Technical details and instructions you will need are included.

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