Yanmar BY Series 4BY, 6BY Operation Manual 0ABY0-G00100

Description

• Model List:
  • BY Series 4BY, 6BY

• 1. Table of Contents
• 2. Introduction
• 2.1. Record of Ownership
• 2.2. Safety Precautions
• 2.2.1. Before You Operate
• 2.2.2. During Operation and Maintenance
• 3. Product Overview
• 3.1. Yanmar BY-Series Features and Applications
• 3.2. Component Identification
• 3.2.1. Left Side – 4BY
• 3.2.2. Right Side – 4BY
• 3.2.3. Top View – 4BY
• 3.2.4. Left Side – 6BY
• 3.2.5. Right Side – 6BY
• 3.2.6. Top View – 6BY
• 3.3. Location of Label and Nameplates
• 3.4. Function of Major Components
• 3.5. Fuses and Relays
• 3.6. Engine Cover
• 4. Before You Operate
• 4.1. Diesel Fuel
• 4.1.1. Diesel Fuel Specifications
• 4.1.1.1. Additional Technical Fuel Requirements
• 4.1.1.2. 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. Engine Oil Viscosity
• 4.2.2. Recommended Engine Oil
• 4.2.3. Checking Engine Oil
• 4.2.4. Adding Engine Oil
• 4.3. Marine Gear or Stern Drive Oil
• 4.4. Engine Coolant
• 4.4.1. Recommended Engine Coolant
• 4.5. Power Steering Fluid Specifications
• 4.5.1. Checking Power Steering Fluid Level
• 4.6. Daily Checks
• 4.6.1. Visual Checks
• 4.6.2. Checking Diesel Fuel, Engine Oil, and Engine Coolant Levels
• 4.6.3. Checking the Battery Electrolyte Level
• 4.6.4. Checking the Alarm Indicators
• 4.6.5. Preparing Fuel, Oil and Coolant in Reserve
• 4.6.6. Checking Power Steering Fluid
• 4.6.7. Drain the Fuel / Water Separator
• 5. Engine Operation
• 5.1. Starting the Engine
• 5.1.1. Starting at Low Temperatures
• 5.2. Shutting Down the Engine
• 5.2.1. Emergency Shut Down
• 5.3. Checking the Engine After Operation
• 6. Periodic Maintenance
• 6.1. Safety Precautions
• 6.1.1. Before You Operate
• 6.1.2. During Operation and Maintenance
• 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 or Distributor For Help
• 6.2.8. Required EPA Maintenance
• 6.3. EPA Requirements
• 6.3.1. Conditions to Ensure Compliance with EPA Emission Standards
• 6.3.2. Inspection and Maintenance
• 6.4. Periodic Maintenance Schedule
• 6.4.1. Inspection and Maintenance of EPA Emission-Related Parts
• 6.5. Periodic Maintenance Procedures
• 6.5.1. After Initial 50 Hours of Operation
• 6.5.1.1. Change the Engine Oil and Replace the Engine Oil Filter
• 6.5.1.2. Check Shift Cable Adjustment
• 6.5.1.3. Adjust Propeller Shaft Alignment (If Equipped with Marine Gear)
• 6.5.2. Every 50 Hours of Operation
• 6.5.2.1. Check the Seawater Filter (If Equipped) and Inlet
• 6.5.2.2. Check the Air Intake Pipes
• 6.5.2.3. Check the Battery Electrolyte Level (Serviceable Batteries Only)
• 6.5.3. Every 250 Hours of Operation
• 6.5.3.1. Drain the Fuel Tank
• 6.5.3.2. Replace the Fuel Pre-Filter
• 6.5.3.3. Replace the Fuel Fine Filter
• 6.5.3.4. Replace Fuel Filter / Water Separator Element
• 6.5.3.5. Change the Engine Oil and Replace Engine Oil Filter Element
• 6.5.3.6. Check or Replace the Seawater Pump and Alternator Belts
• 6.5.3.7. Replace the Zinc Anodes
• 6.5.3.8. Check or Replace the Seawater Pump Impeller
• 6.5.3.9. Replace the Turbocharger Heat Shield
• 6.5.3.10. Check Exhaust / Water Mixing Elbow
• 6.5.3.11. Clean or Replace Air Filter Element
• 6.5.3.12. Change Power Steering Fluid
• 6.5.3.13. Check Shift Cable Adjustment
• 6.5.3.14. Adjust the Propeller Shaft Alignment
• 6.5.3.15. Check Hydraulic Oil Cooler
• 6.5.3.16. Check or Replace Rubber Hoses
• 6.5.4. Every 500 Hours of Operation
• 6.5.4.1. Check the Fuel Pump and Fuel Lines
• 6.5.4.2. Drain and Refill Closed Cooling System (Engine Coolant)
• 7. Troubleshooting
• 7.1. Troubleshooting Chart
• 7.1.1. Starting Trouble
• 7.1.2. Exhaust Color
• 7.1.3. Vibration – Drive Disengaged
• 7.1.4. Vibration – Drive Engaged
• 7.1.5. Engine Knocks
• 7.1.6. Low Power Output
• 7.1.7. Engine Overheat
• 7.1.8. Engine Runs Cold
• 7.1.9. Coolant Loss
• 7.2. Troubleshooting Information
• 7.2.1. Diagnostic Trouble Codes
• 8. Long-Term Storage
• 8.1. Prepare Engine for Long-Term Storage
• 8.1.1. Drain Seawater Cooling System
• 9. Specifications
• 9.1. Engine Specifications
• 9.1.1. Tightening Fasteners
• 9.1.1.1. Standard Torque Values
• 10. EPA Warranty USA Only
• 10.1. Yanmar Co., Ltd. Limited Emission Control System Warranty – USA Only
• 10.1.1. Your Warranty Rights and Obligations
• 10.1.2. Warranty Period
• 10.1.3. Warranty Coverage
• 10.1.4. Exclusions
• 10.1.5. Owners Responsibility
• 10.1.6. Customer Assistance