TABLE OF CONTENTS Tightening Torques for Standard Bolts and Nuts .......................... 3-23 Tightening Fasteners............................................................... 3-23 Hexagon Bolts and Nuts.......................................................... 3-23 Hose Clamps........................................................................... 3-23 Prepare Engine for Long-Term Storage........................................ 3-24 Abbreviations and Symbols........................................................... 3-25 Abbreviations...........................................................................
3-25 Symbols................................................................................... 3-25 Unit Conversions........................................................................... 3-26 Unit Prefixes............................................................................ 3-26 Units of Length ........................................................................ 3-26 Units of Volume....................................................................... 3-26 Units of Mass........................................................................... 3-26 Units of Force..........................................................................
3-26 Units of Torque........................................................................ 3-26 Units of Pressure..................................................................... 3-26 Units of Power......................................................................... 3-26 Units of Temperature............................................................... 3-26 Periodic Maintenance ......................................................................... 4-1 Safety Precautions .......................................................................... 4-3 Introduction......................................................................................
4-3 The Importance of Periodic Maintenance.................................. 4-3 Performing Periodic Maintenance ............................................. 4-3 Yanmar Replacement Parts ...................................................... 4-3 Required EPA Maintenance...................................................... 4-3 EPA Requirements.......................................................................... 4-3 Conditions to Ensure Compliance with EPA Emission Standards .......................................................... 4-3 Inspection and Maintenance .....................................................
4-4 Periodic Maintenance Schedule...................................................... 4-5 Periodic Maintenance Procedures .................................................. 4-9 After Initial 50 Hours of Operation............................................. 4-9 Every 50 Hours of Operation................................................... 4-10 Every 250 Hours of Operation................................................. 4-11 Every 500 Hours of Operation................................................. 4-15 Every 1000 Hours of Operation............................................... 4-17 Every 2000 Hours of Operation...............................................
4-17 Engine .................................................................................................. 5-1 Safety Precautions .......................................................................... 5-3 Introduction...................................................................................... 5-3 Specifications .................................................................................. 5-4 General Information................................................................... 5-4 Test and Adjustment Specifications .......................................... 5-4 Repair Specifications.................................................................
5-5 Special Torque Chart ...................................................................... 5-8 Special Service Tools.................................................................... 5-11 iv BY Service Manual © 2009 Yanmar Marine International