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 manu-
al, so it
is
assumed
that
persons using this book
to
perform maintenance and repairs on Yamaha
generator have a basic understanding
of
the
mechanical precepts and procedures inherent
to
generator repair technology.
Without
such
knowledge, attempted repairs
or
service
to
this
model may render
it
unfit
for
use
and/or
unsafe.
Yamaha Motor Company Ltd.
is
continually striv-
ing
to
further improve all models manufactured
by
Yamaha.
Modifications
and
significant
changes
in
specifications or procedures will
be
for-
warded
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
materi-
al carefully.
EF1000
SERVICE
MANUAL
©1995 by Yamaha
Motor
Co., Ltd.
1st Edition, January 1995
All rights reserved. Any reprinting or
unauthorized use
without
the
written
permission of Yamaha
Motor
Co.,
ltd.
is
expressly prohibited.
Printed
in
Japan
HOW
TO
USE
THIS
MANUAL
PARTICULARLY
IMPORTANT
INFORMATION
This material
is
distinguished by the following no-
tation.
&
The Safety
Alert
Symbol means ATTENTION!
BECOME ALERT! YOUR SAFETY
IS
INVOLVED!
A WARNING
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.
I"lllli•lz•·•••·••·•
A CAUTION indicates special precautions
that
must
be taken
to
avoid damage
to
the machine.
NOTE:
A NOTE provides key information to make proce-
dures easier or clearer.
MANUAL
FORMAT
The
procedures
in
this
manual
are
organized
in a
sequential,
step-by-step
format.
The
in-
formation
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.,
• Bearings
Pitting/
Damage~
Replace.
EXPLODED
DIAGRAM
Each chapter provides exploded diagrams before
each disassembly section
for
ease
in identifying
correct disassembly and assembly procedures.
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