Part of the Yanmar Operator Manuals.
Before you trust a torque figure from a forum thread, check the cover of this PDF: publication 0ALN0-G00101 is Yanmar's own operation manual for the L48N, L70N, and L100N air-cooled industrial diesels, exactly as it left the factory. A guessed fastener torque or an invented oil capacity is how a small diesel ends up with a cracked case or a scored bore, and this book replaces guessing with Yanmar's printed numbers, including a standard tightening chart that puts an M10x1.5 bolt at 49.0 N-m.
Inside the 82 pages you get diesel fuel and engine oil specifications, recoil and electric starting procedures, daily checks, periodic maintenance schedules, a troubleshooting chart, long term storage steps, and full specification tables for all three models.
With 132 bookmarks in the file, you can land on the troubleshooting chart on page 69 or the specification tables from page 77 in two clicks.
Complete the set for your L48N, L70N, L100N
- Repair Manual: Yanmar L48N, L70N, L100N Service Manual (incl. Wiring)
Other edition of this manual
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| Introduction | 3-4 | Record of Ownership |
| Yanmar Warranties | 9-12 | 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 | 13-22 | Safety Statements, Safety Precautions (Before You Operate, During Operation and Maintenance) |
| Product Overview | 23-30 | Yanmar L-N Series Engine Features and Applications, Component Identification, Location of Labels, Major Engine Components, Air Cooled Engine |
| Before You Operate | 31-38 | Diesel Fuel (Specifications, Filling the Fuel Tank), Engine Oil (Specifications, Viscosity, Checking Engine Oil, Adding Engine Oil, Capacity) |
| Engine Operation | 39-48 | Starting the Engine (Recoil Start, Electric Start), Check the Engine During Operation, Adjust Engine Speed |
| Periodic Maintenance | 49-68 | Precautions (Importance of Periodic Maintenance, Performing Periodic Maintenance, Importance of Daily Checks, Keep a Log of Engine Hours and Daily Checks, Yanmar Replacement Parts, Tools Required, Ask Your Authorized Yanmar Industrial Engine Dealer or Distributor for Help, Tightening Fasteners) |
| Troubleshooting | 69-72 | Troubleshooting Chart, Troubleshooting Information |
| Long Term Storage | 73-76 | Before You Place the Engine in Long Term Storage, Returning the Engine to Service |
| Specifications | 77-81 | General (Model Number, Engine Speed Specifications, Engine General Specifications), Principal Engine Specifications |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Air cleaner element cleaning interval | Every 100 hours (air blow) | p. 26 |
| Ambient temperature for potential overheating/oil breakdown | +40°C | p. 19 |
| Maximum engine installation angle for satisfactory oil pressure | 20° (continuously running), 30° (short periods less than 3 minutes) | p. 20 |
| Standard Bolt Torque (M10x1.5) | 49.0 ± 4.9 N-m | p. 51 |
