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Yanmar 8LV320 User Manual

Yanmar 8LV320
84 pages
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8LV320
8LV350
8LV370
8LV320Z
8LV350Z
8LV370Z
0A8LV-G00100
PRINTED IN JAPAN

Table of Contents

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Yanmar 8LV320 Specifications

General IconGeneral
Engine Model8LV320
Number of Cylinders8
Fuel SystemCommon Rail
Lubrication SystemWet Sump
Rated Output320 HP
Max Power Output320 HP
AspirationTurbocharged
Starting SystemElectric
Cooling SystemFreshwater cooling with heat exchanger

Summary

Safety

Safety Precautions

General and specific safety guidelines for operating and servicing Yanmar products.

Location of Safety Decals

Identifies the location of safety decals on the Yanmar 8LV series marine engines.

Product Overview

Yanmar 8LV Features and Applications

Details the features and intended uses of the Yanmar 8LV series engines.

New Engine Break-In

Provides recommended procedures for breaking in a new Yanmar 8LV series engine.

Component Identification

Illustrates and names major components of the Yanmar 8LV series engine.

Location of Nameplate

Shows the location of the engine's nameplate and the information it contains.

Function of Major Components

Explains the function of key components within the Yanmar 8LV series engine.

Vessel Control System (VCS)

Describes the Yanmar Vessel Control System (VCS) used to control the 8LV series engine.

Display

Details the multi-function display functions, including runtime data and alarm indications.

Before You Operate

Diesel Fuel

Covers diesel fuel specifications, handling, and technical requirements.

Additional Technical Fuel Requirements

Lists additional technical specifications and requirements for diesel fuel.

Handling of Diesel Fuel

Provides guidelines for safely handling and storing diesel fuel.

Fuel Tank (Option)

Details the installation and setup of an optional fuel tank.

Filling the Fuel Tank

Provides instructions on how to safely fill the fuel tank.

Bleeding the Fuel System

Explains the procedure for bleeding air from the fuel system.

Engine Oil

Engine Oil Specifications

Details the recommended specifications for engine oil.

Engine Oil Viscosity

Specifies the recommended SAE viscosity for engine oil.

Handling Engine Oil

Guidelines for handling and storing engine oil.

Engine Coolant

Engine Coolant Specifications

Lists the approved engine coolant specifications.

Coolant (Closed Cooling System)

Explains the closed cooling system and coolant requirements.

Checking and Adding Coolant

Provides instructions on how to check and add engine coolant.

Engine Operation

Starting the Engine (Start Up)

Step-by-step guide on how to start the Yanmar 8LV series engine.

If the Engine Fails to Start

Troubleshooting steps if the engine does not start.

After the Engine has Started

Checks to perform after the engine has successfully started.

Warm Up Mode (Shift Disconnect)

Explains how to use the warm-up mode with the gear in neutral.

Throttle and Shift Control

Details how to control the throttle and shift gears using the control head.

Cautions During Operation

Lists important precautions to observe while operating the engine.

Shut-Down the Engine (Stopping)

Provides procedures for safely shutting down the engine.

Control the Backup Panel

Instructions on how to operate the engine using the backup control panel.

Checking the Engine After Operation

Procedures for checking the engine after it has been shut down.

Periodic Maintenance

Precautions

General warnings and importance of periodic maintenance.

Performing Periodic Maintenance

Procedures for carrying out periodic maintenance tasks.

The Importance of Daily Checks

Emphasizes the significance of performing daily checks.

Keep a Log of Engine Hours and Daily Checks

Guides on maintaining logs for engine hours and daily checks.

Yanmar Replacement Parts

Recommends using genuine Yanmar parts for maintenance.

Tools Required

Lists tools needed for periodic maintenance procedures.

Ask Your Authorized Yanmar Marine Dealer or Distributor for Help

Advises seeking professional help for maintenance.

Tightening Fasteners

Details correct torque values for tightening fasteners.

Periodic Maintenance Schedule

A schedule summarizing maintenance items by interval.

Inspection and Maintenance of EPA Emission-Related Parts

Specific inspection and maintenance for EPA emission-related parts.

Periodic Maintenance Procedures

Detailed procedures for performing periodic maintenance tasks.

Daily Checks

Detailed steps for performing daily checks on the engine.

Checking Diesel Fuel, Engine Oil and Engine Coolant Levels

Procedures to check fuel, oil, and coolant levels.

Checking and Refilling Marine Gear Oil

Instructions for checking and refilling marine gear oil.

Checking the Battery Electrolyte Level

Steps to check the battery electrolyte level.

Checking the Alternator Belt

Guidance on checking the alternator belt.

Checking the Alarm Indicators

How to check engine alarm indicators.

Preparing Fuel, Oil, and Coolant in Reserve

Recommendations for keeping spare fluids onboard.

After Initial 50 Hours of Operation

Maintenance tasks to be performed after the first 50 hours of operation.

Every 50 Hours of Operation

Maintenance tasks to be performed every 50 hours or monthly.

Every 250 Hours of Operation

Maintenance tasks to be performed every 250 hours or one year.

Every 500 Hours of Operation

Maintenance tasks to be performed every 500 hours or two years.

Every 1000 Hours of Operation

Maintenance tasks to be performed every 1000 hours or four years.

Long-Term Storage

Preparing the Engine for Long-Term Storage

Measures to protect the engine during extended periods of non-use.

Draining the Seawater Cooling System

Instructions for draining the seawater cooling system before storage.

Troubleshooting

Troubleshooting After Starting

Checks to perform if the engine has issues after starting.

Troubleshooting Information

Information to provide to a dealer/distributor for troubleshooting assistance.

Troubleshooting Chart

A comprehensive chart listing symptoms, probable causes, and measures for engine problems.

Engine is not running smoothly

Addresses issues with the engine not running smoothly.

Engine stops suddenly

Troubleshooting steps when the engine stops unexpectedly.

Abnormal exhaust color

Discusses causes and solutions for abnormal exhaust color.

Insufficient output

Addresses issues related to insufficient engine output.

Knocking

Discusses causes and solutions for engine knocking.

Other

Covers miscellaneous troubleshooting items related to engine performance.

Breakdown of turbo-charger

Troubleshooting issues related to turbocharger breakdown.

Increased intake pressure

Addresses problems with increased intake pressure.

Abnormal vibration

Discusses causes and solutions for abnormal engine vibration.

Noise

Troubleshooting issues related to engine noise.

Quick contamination of engine oil

Addresses the issue of engine oil becoming contaminated quickly.

Pulsation of intake air pressure

Discusses causes and solutions for intake air pressure pulsation.

Other malfunctions

Covers various other engine malfunctions not categorized elsewhere.

Noise generation

Addresses issues related to noise generation from the engine.

Low lubrication oil pressure

Troubleshooting steps for low lubrication oil pressure.

Coolant temperature too high

Troubleshooting steps for excessive coolant temperature.

Failsafe Diagnosis Functional Specification Chart

Details diagnostic trouble codes (DTCs) and their corresponding failsafe actions.

Specifications

Principal Engine Specifications

Provides key technical specifications for the Yanmar 8LV series engines.

8LV Series Marine Gear Specifications

Lists the technical specifications for the marine gears used with the 8LV series.

System Diagrams

Wiring Diagram

Illustrates the electrical wiring for the Yanmar 8LV series instrument panel.

8LV Wiring Diagram

Detailed wiring diagram for the Yanmar 8LV series engine.

EPA Warranty USA Only

Yanmar CO., LTD. Limited Emission Control System Warranty - USA Only

Details the limited emission control system warranty for USA models.

Your Warranty Rights and Obligations

Outlines the rights and responsibilities of the engine owner regarding the warranty.

Warranty Period

Specifies the duration of the emission control system warranty.

Warranty Coverage

Details which engine components are covered by the emission warranty.

Exclusions

Lists conditions and failures not covered by the emission warranty.

Owner's Responsibility

Outlines the owner's duties for maintaining warranty compliance.

Customer Assistance

Provides contact information for warranty-related inquiries.

Maintenance Log

A log to record maintenance performed on the engine.

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