Yamaha EF1000iS Service Manual page 3

FOREWORD
This manual was written by the Yamaha Motor
Company primarily for use by Yamaha dealers
and their qualified mechanics. It is not possible
to put an entire mechanic's education into one
manual, so it is assumed that persons using
this book to perform maintenance and repairs
on Yamaha generators have a basic under-
standing of the mechanical precepts and pro-
cedures inherent to generator repair
technology. Without
attempted repairs or service to this model may
render it unfit for use and/or unsafe.
Yamaha Motor Company Ltd. is continually
striving to further improve all models manufac-
tured by Yamaha. Modifications and significant
changes in specifications or procedures will be
forwarded to all Authorized Yamaha dealers
and will, where applicable, appear in future
editions of this manual.
NOTE:
This Service Manual contains information
regarding periodic maintenance to the emis-
sion control system. Please read this material
carefully.
EF1000iS
SERVICE MANUAL
©2002 by Yamaha Motor
Corporation, U.S.A.
1st Edition, October 2002
All rights reserved. Any reprinting or
unauthorized use without the written
permission of Yamaha Motor
Corporation, U.S.A.
is expressly prohibited.
Printed in USA
LIT-19616-01-02
such knowledge,
HOW TO USE THIS MANUAL
PARTICULARLY IMPORTANT
INFORMATION
This material is distinguished by the following
notation.
Q
The Safety Alert Symbol means ATTENTION!
BECOME ALERT!
INVOLVED!
w
Failure to follow WARNING instructions could
result in severe injury or death to the
machine operator, a bystander, or a person
inspecting or repairing the machine.
cC
A CAUTION indicates special precautions that
must be taken to avoid damage to the
machine.
NOTE:
A NOTE provides key information to make
procedures easier or clearer.
MANUAL FORMAT
The procedures in this manual are organized
in a sequential, step-by-step format. The infor-
mation has been compiled to provide the
mechanic with an easy to read, handy refer-
ence that contains comprehensive explana-
tions of all disassembly, repair, assembly, and
inspection operations.
In this revised format, the condition of a faulty
component will precede an arrow symbol and
the course of action required will follow the
symbol, e.g.,
9 Bearings
Pitting/damage → Replace.
EXPLODED DIAGRAM
Each chapter provides exploded diagrams
before each disassembly section for ease in
identifying the correct disassembly and
assembly procedures.
YOUR SAFETY IS