Yanmar 6LY3-ETA, 6LY3-STA, 6LY3-STB Marine Engine Operation Manual

Description

• Model List:
  • 6LY3-ETA, 6LY3-STA, 6LY3-STB Marine Engine

• 1. Table of Contents
• 2. Introduction
• 2.1. Record of Ownership
• 2.2. Safety Precautions
• 2.2.1. General Information
• 2.2.2. Before You Operate
• 2.2.3. During Operation and Maintenance
• 2.3. Location of Labels
• 3. Product Overview
• 3.1. Yanmar 6LY3 Features and Applications
• 3.1.1. New Engine Break-In
• 3.2. Component Identification
• 3.2.1. Service Side
• 3.2.2. Non-Service Side
• 3.3. Nameplate
• 3.4. Function of Major Components
• 3.5. Electronic Control System (ECS)
• 3.5.1. Display
• 3.5.1.1. Display Function
• 3.5.1.2. Alarm Indicator Functions
• 3.5.1.3. Rocker Switch Panel
• 3.5.1.4. Control Head Shift and Throttle Functions
• 3.6. DC-DC Converter
• 3.6.1. Outline Drawing
• 3.6.2. Fuse Replacement Procedure and Checking the Normal Operation
• 4. Before You Operate
• 4.1. Diesel Fuel
• 4.1.1. Diesel Fuel Specifications
• 4.1.1.1. Bio-Diesel Fuels
• 4.1.1.2. Additional Technical Fuel Requirements
• 4.1.1.3. Handling of Diesel Fuel
• 4.1.1.4. Diesel Fuel Lines
• 4.1.2. Filling the Fuel Tank
• 4.1.3. Bleeding the Fuel System
• 4.2. Engine Oil
• 4.2.1. Engine Oil Specifications
• 4.2.1.1. Service Categories
• 4.2.1.2. Definitions
• 4.2.1.3. Additional Technical Engine Oil Requirements
• 4.2.2. Engine Oil Viscosity
• 4.2.3. Checking Engine Oil
• 4.2.4. Adding Engine Oil
• 4.2.5. Selection of Marine Gear Oil
• 4.3. Engine Coolant
• 4.3.1. Filling Heat Exchanger with Engine Coolant
• 5. Engine Operation
• 5.1. Starting the Engine
• 5.1.1. Before Starting the Engine
• 5.1.2. To Start the Engine
• 5.1.3. If the Engine Fails to Start
• 5.1.4. After the Engine has Started
• 5.1.5. Shifting
• 5.1.6. Neutral
• 5.2. Cautions During Operation
• 5.3. Shutting Down the Engine
• 5.3.1. Normal Shutdown
• 5.3.1.1. Electric Emergency Stop
• 5.3.1.2. Mechanical Emergency Stop
• 5.4. Checking the Engine After Operation
• 6. Periodic Maintenance
• 6.1. Safety Precautions
• 6.2. Precautions
• 6.2.1. The Importance of Periodic Maintenance
• 6.2.2. Performing Periodic Maintenance
• 6.2.3. The Importance of Daily Checks
• 6.2.4. Keep a Log of Engine Hours and Daily Checks
• 6.2.5. Yanmar Replacement Parts
• 6.2.6. Tools Required
• 6.2.7. Ask Your Authorized Yanmar Marine Dealer for Help
• 6.2.8. Tightening Fasteners
• 6.2.8.1. Standard Torque Chart
• 6.3. Periodic Maintenance Schedule
• 6.4. Periodic Maintenance Procedures
• 6.4.1. Daily Checks
• 6.4.1.1. Check Diesel Fuel, Engine Oil and Engine Coolant Levels
• 6.4.1.2. Checking and Refilling Marine Gear Oil
• 6.4.1.3. Checking the Control Head
• 6.4.1.4. Checking the Alarm Indicators
• 6.4.1.5. Preparing Fuel, Oil and Coolant in Reserve
• 6.4.2. After Initial 50 Hours of Operation
• 6.4.2.1. Replace the Fuel Filter Element
• 6.4.2.2. Replace Engine Oil and Engine Oil Filter
• 6.4.2.3. Check the Electronic Control System Operation
• 6.4.2.4. Adjust the Propeller Shaft Alignment
• 6.4.3. Every 50 Hours of Operation
• 6.4.3.1. Drain Fuel Filter and Fuel Filter/Water Separator
• 6.4.4. Every 250 Hours of Operation
• 6.4.4.1. Check the Fuel Injector Spray Pattern
• 6.4.4.2. Drain the Fuel Tank
• 6.4.4.3. Replace the Fuel Filter Element
• 6.4.4.4. Replace the Engine Oil (Crankcase)
• 6.4.4.5. Replace the Engine Oil Filter Element
• 6.4.4.6. Check the Seawater Pump Impeller
• 6.4.4.7. Replace the Zinc Anode
• 6.4.4.8. Clean the Air Intake Silencer
• 6.4.4.9. Clean the Exhaust/Water Mixing Elbow
• 6.4.4.10. Clean the Turbocharger Blower
• 6.4.4.11. Check the Wiring Connectors
• 6.4.4.12. Tighten All Major Nuts and Bolts
• 6.4.4.13. Check/Replace the Flexible Engine Mounts
• 6.4.5. Every 500 Hours of Operation
• 6.4.5.1. Replace the Seawater Pump Impeller
• 6.4.5.2. Adjust the Propeller Shaft Alignment
• 6.4.5.3. Check Alternator Belt Tension
• 6.4.5.4. Replace the Exhaust/Water Mixing Elbow
• 6.4.5.5. Adjust the No-Load Minimum Speed
• 6.4.6. Every 1000 Hours of Operation
• 6.4.6.1. Check the Fuel Injector Spray Pattern
• 6.4.6.2. Clean and Check the Seawater Passages
• 6.4.6.3. Adjust Intake/Exhaust Valve Clearance
• 6.4.6.4. Replace Flexible Engine Mounts
• 6.4.7. Every 2000 Hours of Operation
• 6.4.7.1. Overhaul and Check Fuel Feed Pump
• 6.4.7.2. Clean Engine Oil Cooler
• 6.4.7.3. Replace Rubber Fuel Hoses
• 7. Troubleshooting
• 7.1. Troubleshooting After Starting
• 7.2. Troubleshooting Information
• 7.3. Troubleshooting Chart
• 8. Long-Term Storage
• 8.1. Before You Place the Engine in Long-Term Storage
• 8.2. Returning the Engine to Service
• 9. Specifications
• 9.1. Principal Engine Specifications
• 9.1.1. Wiring Diagrams
• 9.1.1.1. Wiring Diagram – 12 V
• 9.1.1.2. Wiring Diagram – 24 V (Optional)
• 9.1.1.3. Wiring Harness – Pin Location for 24 V (Optional)
• 9.1.2. Maintenance Log