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Yanmar 4BY3-150 User Manual

Yanmar 4BY3-150
96 pages
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Table of Contents

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Yanmar 4BY3-150 Specifications

General IconGeneral
BrandYanmar
Model4BY3-150
CategoryEngine
LanguageEnglish

Summary

Safety

Safety Precautions

General and specific safety precautions for operating, maintaining, and servicing the engine.

Safety Decals

Identifies and explains the meaning of various safety decals on the engine.

Product Overview

New Engine Break In

Instructions and recommendations for the proper break-in procedure of a new engine.

Before You Operate

Diesel Fuel

Specifications, precautions, and handling guidelines for diesel fuel and biodiesel.

Diesel Fuel Specifications

Lists worldwide specifications for diesel fuels and their compliance requirements.

Filling the Fuel Tank

Step-by-step instructions for safely filling the fuel tank.

Bleeding the Fuel System

Procedure for purging air from the fuel system.

Engine Oil

Specifications and guidelines for engine oil selection and use.

Engine Oil Specifications

Details API and ACEA service categories for engine oil.

Engine Coolant

Lists acceptable engine coolants and provides guidelines for their use.

Acceptable Engine Coolant

Lists approved trade names and manufacturers for engine coolant.

Engine Operation

Starting the Engine

Detailed steps for starting the engine, including low-temperature considerations.

Shutting Down the Engine

Procedures for normal and emergency engine shutdown.

Periodic Maintenance

EPA Maintenance Requirements

Requirements for maintaining compliance with EPA emission standards.

Conditions to Ensure Compliance with EPA Emission Standards

Conditions for operating the engine to meet EPA emission standards.

Periodic Maintenance Procedures

Outlines daily checks and visual inspections required for maintenance.

Visual Checks

Visual inspection of engine exterior, leaks, parts, and fasteners.

After Initial 50 Hours of Operation

Maintenance procedures to be performed after the first 50 hours of engine use.

Every 50 Hours of Operation

Maintenance tasks to be performed every 50 operating hours or monthly.

Every 250 Hours of Operation

Maintenance tasks to be performed every 250 operating hours or yearly.

Changing the engine oil and replacing engine oil filter element

Steps for changing engine oil and replacing the oil filter.

Troubleshooting

Troubleshooting After Starting

Checks to perform immediately after starting the engine.

Troubleshooting Chart

A guide to diagnose and resolve engine problems based on symptoms.

Starting Trouble

Diagnoses and actions for engine starting issues.

Smoke Color

Identifies causes and actions related to different smoke colors.

Low Power Output

Diagnoses and solutions for reduced engine power.

Engine Overheat

Troubleshooting steps for engine overheating issues.

Diagnostic Trouble Code Table

A table listing diagnostic trouble codes and their meanings.

Long-Term Storage

Specifications

Engine Specifications

Detailed technical specifications for the YANMAR BY3-series engines.

EPA Warranty USA Only

YANMAR CO., LTD. LIMITED EMISSION CONTROL SYSTEM WARRANTY - USA ONLY

Details the limited emission control system warranty for US-sold engines.

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