Yanmar 6SY Series Manuale utente

6SY

series

OPERATION MANUAL

P/N: 0ASYM-G00101

MARINE

ENGINE

Disclaimers:

We reserve the right to change specifications and to improve our products without notice or

obligation.

All information, illustrations and specifications in this manual are based on the latest

information available at the time of publishing. The illustrations used in this manual are

intended as representative reference views only. Moreover, because of our continuous

product improvement policy, we may modify information, illustrations and / or specifications

to explain and / or exemplify a product, service or maintenance improvement. We reserve

the right to make any change at any time without notice. Yanmar and are

registered trademarks of Yanmar Co., Ltd. in Japan, the United States and / or other

countries.

No part of this publication may be reproduced or used in any form by any means - graphic,

electronic, or mechanical, including photocopying, recording, taping, or information storage

and retrieval systems - without the written permission of Yanmar Marine International.

1006

ii 6SY Operation Manual

INTRODUCTION

Welcome to the world of Yanmar Marine!

Yanmar Marine offers engines, drive

systems and accessories for all types of

boats, from runabouts to sailboats, and from

cruisers to mega yachts. In marine leisure

boating, the worldwide reputation of Yanmar

Marine is second to none. We design our

engines to respect nature. This means

quieter engines, with minimal vibrations,

cleaner than ever. All of our engines

designed after 1996 meet most of the

present and future emission regulations,

such as BSO II, SAV, EPA II, IMO and RCD.

To help you enjoy your Yanmar 6SY engine

for many years to come, please follow these

recommendations:

• Read and understand this Operation

Manual before you operate the machine

to ensure that you follow safe operating

practices and maintenance procedures.

• Keep this Operation Manual in a

convenient place for easy access.

• If this Operation Manual is lost or

damaged, order a new one from your

authorized Yanmar marine dealer or

distributor.

• Make sure this manual is transferred to

subsequent owners. This manual should

be considered a permanent part of the

engine and remain with it.

• Constant efforts are made to improve the

quality and performance of Yanmar

products, so some details included in this

Operation Manual may differ slightly from

your engine. If you have any questions

about these differences, please contact

your authorized Yanmar marine dealer or

distributor.

• The specifications and components

(instrument panel, fuel tank, etc.)

described in this manual may differ from

ones installed on your vessel. Please refer

to the manual provided by the

manufacturer of these components.

6SY Operation Manual iii

RECORD OF OWNERSHIP

Take a few moments to record the information you need when you contact Yanmar for

service, parts or literature.

Engine Model:

Engine Serial No.:

Date Purchased:

Dealer:

Dealer Phone:

INTRODUCTION

iv 6SY Operation Manual

TABLE OF

CONTENTS

Page

Safety ....................................................................... 1

Safety Precautions ................................................. 2

General Information ......................................... 2

Before You Operate ......................................... 2

During Operation and Maintenance ..................... 2

Safety Decals ....................................................... 7

Product Overview ...................................................... 9

Yanmar 6SY Features and Applications ...................... 9

Component Identification ........................................ 10

Nameplate .......................................................... 12

Engine Nameplate (Typical) ............................. 12

Function of Major Components ................................ 13

Engine Management System (EMS S6) ..................... 14

Positions of Sensors for EMS with S6 ................. 14

Rotation Speeds ............................................ 15

Redundant Throttle Mode ................................ 15

Coolant Temperature ...................................... 15

Oil Pressure .................................................. 15

Before You Operate .................................................. 17

Diesel Fuel .......................................................... 17

Diesel Fuel Specifications ................................ 17

Filling the Fuel Tank ........................................ 18

Bleeding the Fuel System ................................ 19

Engine Oil ........................................................... 20

Engine Oil Specifications ................................. 20

Engine Oil Viscosity ........................................ 20

Checking the Engine Oil .................................. 21

Adding Engine Oil .......................................... 21

Selection of Marine Gear Oil ............................. 21

6SY Operation Manual v

Engine Coolant ..................................................... 22

Engine Coolant Specifications ........................... 22

Coolant (Closed Cooling System) ...................... 22

Checking the Coolant Level .............................. 22

Daily Checks ....................................................... 23

Visual Checks ............................................... 23

Check for Fuel, Engine Oil and Engine Coolant

Leaks .......................................................... 24

Check Diesel Fuel, Engine Oil and Engine Coolant

Levels .......................................................... 24

Checking and Refilling Marine Gear Oil ............... 24

Checking the Battery Charge ............................ 24

Cleaning the Battery ....................................... 25

Checking the Battery Electrolyte Level ................ 25

Checking the Alternator Belt ............................ 25

Checking the Alarm Indicators ........................... 25

Preparing Fuel, Oil and Coolant in Reserve .......... 25

Engine Operation ...................................................... 27

Starting the Engine ................................................ 29

Starting at Low Temperatures ........................... 29

Shutting Down the Engine ....................................... 30

Checking the Engine After Operation ......................... 30

Periodic Maintenance ................................................ 31

Safety Precautions ................................................ 31

Precautions ......................................................... 33

The Importance of Periodic Maintenance ............. 33

Performing Periodic Maintenance ...................... 33

The Importance of Daily Checks ........................ 33

Keep a Log of Engine Hours and Daily Checks ..... 33

Yanmar Replacement Parts .............................. 33

Tools Required .............................................. 33

Tightening Fasteners ...................................... 33

Ask Your Authorized Yanmar Marine Dealer or

Distributor For Help ........................................ 33

Required EPA Maintenance USA Only ................ 34

EPA Requirements USA Only ........................... 34

EPA Requirements ................................................ 34

Conditions to Ensure Compliance with EPA

Emission Standards ........................................ 34

Inspection and Maintenance ............................. 35

Periodic Maintenance Schedule ............................... 35

Engines with Low Operating Hours ..................... 36

TABLE OF CONTENTS

vi 6SY Operation Manual

Inspection and Maintenance for EPA Emission-

Related Parts ................................................ 39

Maintenance Procedures ........................................ 40

After Initial 50 Hours of Operation ...................... 40

Every 50 Hours of Operation ............................. 46

Every 250 Hours of Operation ........................... 47

Every 500 Hours of Operation ........................... 56

Every 1000 Hours of Operation ......................... 57

Every 2000 Hours of Operation ......................... 58

Long-Term Storage ................................................... 59

Prepare Engine for Long-Term Storage ...................... 59

Specifications .......................................................... 61

Principal Engine Specifications ................................ 61

EPA Warranty USA Only ............................................ 63

Yanmar Co., Ltd. Limited Emission Control System

Warranty - USA Only ............................................. 63

Your Warranty Rights and Obligations: ................ 63

Warranty Period: ............................................ 63

Warranty Coverage: ........................................ 64

Exclusions: ................................................... 64

Owner’s Responsibility: ................................... 64

Customer Assistance: ..................................... 64

TABLE OF CONTENTS

6SY Operation Manual vii

This Page Intentionally Left Blank

TABLE OF CONTENTS

viii 6SY Operation Manual

SAFETY

Yanmar considers safety of great

importance and recommends that anyone

that comes into close contact with its

products, such as those who install,

operate, maintain or service Yanmar

products exercise care, common sense and

comply with the safety information in this

manual and on the machine’s safety decals.

Keep the decals from becoming dirty or torn

and replace them if they are lost or

damaged. Also, if you need to replace a part

that has a decal attached to it, make sure

you order the new part and decal at the same

time.

This safety alert symbol appears

with most safety statements. It

means attention, become alert,

your safety is involved! Please

read and abide by the message

that follows the safety alert

symbol.

DANGER

Indicates a hazardous situation which, if

not avoided, will result in death or

serious injury.

WARNING

Indicates a hazardous situation which, if

not avoided, could result in death or

serious injury.

CAUTION

Indicates a hazardous situation which, if

not avoided, could result in minor or

moderate injury.

NOTICE

Indicates a situation which can cause

damage to the machine, personal property

and / or the environment or cause the

equipment to operate improperly.

6SY Operation Manual 1

SAFETY PRECAUTIONS

General Information

There is no substitute for common sense

and careful practices. Improper practices or

carelessness can cause burns, cuts,

mutilation, asphyxiation, other bodily injury

or death. This information contains general

safety precautions and guidelines that must

be followed to reduce risk to personal safety.

Special safety precautions are listed in

specific procedures. Read and understand

all of the safety precautions before operation

or performing repairs or maintenance.

Before You Operate

DANGER

The safety messages that follow have

WARNING level hazards.

NEVER permit anyone to

install or operate the

engine without proper

training.

• Read and understand this Operation

Manual before you operate or service the

engine to ensure that you follow safe

operating practices and maintenance

procedures.

• Safety signs and decals are additional

reminders for safe operating and

maintenance techniques.

• See your authorized Yanmar marine

dealer or distributor for additional training.

During Operation and

Maintenance

DANGER

The safety message that follows has

DANGER level hazards.

Crush Hazard

NEVER stand under hoisted

engine. If the hoist mechanism

fails, the engine will fall on you.

SAFETY

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