Shindaiwa 68002-94310 User Manual

SHINDAIWA OWNER’S AND
OPERATOR’S MANUAL

EC7500/EC7600
ENGINE CUTOFF

Shindaiwa Inc.
11975 SW Herman Road
Tualatin, Oregon 97062
Telephone [phone]
Fax [phone]
www.shindaiwa.com

Shindaiwa Kogyo Co., Ltd.
6-2-11 Ozuka-Nishi
Asaminami-Ku, Hiroshima
731-3167, Japan
Telephone [phone]
Fax [phone]

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WARNING!

■ Read this manual and familiarize yourself with its contents.

■ This unit is designed primarily for cutting construction materials and metal

according to the type of cutting wheel installed.

■ To minimize the risk of injury to yourself and others, always wear hearing
protection, a dustproof mask, goggles and a helmet when operating this unit.

■ Keep this manual handy so you can refer to it when required.

©2002 Shindaiwa Inc.
Part Number 68002-94310

Shindaiwa is a registered
trademark of Shindaiwa Inc.

Part Number 68002-94310 Rev. 12/02

Contents

Page

Attention Statements............................ 2

Labels and Symbols ............................. 2

Safety Precautions ................................ 3

Safety/Operation Information Labels ... 7

Unit Description ................................... 8

Technical Specifications ......................9

Assembly ............................................. 10

Filling the Fuel Tank ......................... 11

Starting/Stopping the Engine........... 12

Operation ............................................. 14

Inspection and Maintenance ............. 16

Long Term Storage ............................ 23

Troubleshooting .................................24

Emission Warranty Statement ..........25

Shindaiwa Inc. reserves the right to make
changes to products without prior notice, and
without obligation to make alterations to units
previously manufactured.

Attention Statements

Throughout this manual are special
“attention statements”.

WARNING!

A statement preceded by the word
“WARNING” contains information
that should be acted upon to
prevent serious injury.

CAUTION!

A statement preceded by the word
“CAUTION” contains information
that should be acted upon to
prevent unit damage.

IMPORTANT!

A statement preceded by the word
“IMPORTANT” is one that possesses
special significance.

NOTE:

A statement preceded by the word
“NOTE” contains information that is
handy to know and may make your
job easier.

Labels and Symbols

The following are symbols that appear
on the unit.

Read and follow the
operator’s manual. Failure
to do so could result in
serious injury.

Always wear hearing
protection, a dustproof
mask, goggles and a
helmet when operating
this unit.

Fuel Filler

Choke

The following symbols are meant to
provide important reminders.

Be aware of kickback!

Kickback may force the
cutting-off wheel up and
back toward the operator
with a lightning-fast
reaction. Kickback can
occur whenever the upper­half of the cutting-off wheel
touches an object while
operating the unit.

Be aware of thrown
objects!

WARNING!

Using this cut-off saw, or any
other high-speed power tool, can
be hazardous. As a result, you
must employ special safety
precautions to reduce the risk of
injury or fire.

MAINTENANCE, REPLACEMENT OR REPAIR OF EMISSION CONTROL
DEVICES AND SYSTEMS MAY BE PERFORMED BY ANY REPAIR
ESTABLISHMENT OR INDIVIDUAL; HOWEVER, WARRANTY REPAIRS
MUST BE PERFORMED BY A DEALER OR SERVICE CENTER AUTHORIZED
BY SHINDAIWA KOGYO CO., LTD. THE USE OF PARTS THAT ARE NOT
EQUIVALENT IN PERFORMANCE AND DURABILITY TO AUTHORIZED
PARTS MAY IMPAIR THE EFFECTIVENESS OF THE EMISSION CONTROL
SYSTEM AND MAY HAVE A BEARING ON THE OUTCOME OF A
WARRANTY CLAIM.

If other than the parts authorized by Shindaiwa Kogyo Co., Ltd. are used for
maintenance replacements or for the repair of components affecting emission
control, you should assure yourself that such parts are warranted by their
manufacturer to be equivalent to the parts authorized by Shindaiwa Kogyo Co.,
Ltd. in their performance and durability.

OBTAINING WARRANTY SERVICE

All repairs qualifying under this limited warranty must be performed by a
dealer authorized by Shindaiwa Kogyo Co., Ltd.
If any emission-related part is found defective during the warranty period, it is
your responsibility to present the product to an authorized Shindaiwa dealer.
Bring your sales receipts showing the date of purchase for this engine. The
dealer authorized by Shindaiwa Kogyo Co., Ltd. will perform the necessary
repairs or adjustments within a reasonable amount of time and furnish you with a
copy of the repair order. All parts and accessories replaced under this warranty
become the property of Shindaiwa Kogyo Co., Ltd.
To locate an authorized Shindaiwa dealer near you, contact your Shindaiwa
Distributor. For the name and telephone number of the Shindaiwa Distributor in
your area, please call Shindaiwa Inc. at [phone] between the hours of 8:00
AM and 5:00 PM Pacific Standard Time.

THIS WARRANTY IS ADMINISTERED BY

Shindaiwa Inc.
11975 S.W. Herman Rd.
Tualatin OR. 97062
[phone]

2

27

PARTS COVERED

Listed below are the parts covered by the Federal Emission Design and Defect
Warranty. Some parts listed below may require scheduled maintenance and are
warranted up to the first scheduled replacement of that part. The warranted parts
include:

1. Carburetor Internal Components

• Valve Assembly-throttle, Jet, Metering Diaphram

2. Ignition System Components

• Ignition Coil

• Flywheel Rotor
The emission control system for your particular Shindaiwa engine may also
include certain related hoses and connectors.

LIMITATIONS

The Federal Emission Design and Defect Warranty shall not cover any of the
following:

(a) conditions resulting from tampering, misuse, improper adjustment

(unless they were made by the dealer or service center authorized by
Shindaiwa Kogyo Co., Ltd. during a warranty repair), alteration,
accident, failure to use the recommended fuel and oil, or not perform-

ing required maintenance services,
(b) the replacement parts used for required maintenance services,
(c) consequential parts used for required maintenance services,
(d) diagnosis and inspection fees that do not result in eligible warranty

service being performed, and
(e) any non-authorized replacement part, or malfunction of authorized

parts due to use of non-authorized parts.

MAINTENANCE AND REPAIR REQUIREMENTS

You are responsible for the proper use and maintenance of the engine. You
should keep all receipts and maintenance records covering the performance of
regular maintenance in the event questions arise. These receipts and
maintenance records should be transferred to each subsequent owner of the
engine. Shindaiwa Kogyo Co., Ltd. reserves the right to deny warranty coverage
if the owner has not properly maintained the engine. Shindaiwa Kogyo Co., Ltd.
will not deny warranty repairs, however, solely because of the lack of repair,
maintenance or failure to keep maintenance records.

Safety Precautions

Before Operation

■ Children and people who do not
understand this manual must
not use this unit.

■ Never allow other people or
animals to be near the unit
when starting or operating.

■ Never touch a rotating cut-off
wheel.

■ Operate the unit only in a well
ventilated area.

■ Never operate the unit in a
closed area such as a room,
warehouse or tunnel. Running
the unit in a closed area may
cause serious illness or even
death due to exhaust gas.

■ Never allow any people or
animals near exhaust gas.

■ Never inhale exhaust gas.

■ Never make unauthorized

modifications or alterations to
any of the components of the
unit, and never operate the unit
without the wheel guard or
muffler.

■ This unit is designed for one­man operation and must be
operated by only one person.

■ Never operate the unit when
you are tired or under influence
of any substance that could
impair vision, dexterity or
judgement.

■ When operating the unit, always
wear snug-fitting clothing, safety
gloves, safety non-skid footwear,
hearing protection, a dust-proof
mask, a helmet and goggles.
Never wear floppy clothing,
shorts, sandals or accessories
that could become entangled.

WARNING!

■ To minimize the risk of sparks
igniting clothing while operating
the unit, wear clothing made of
leather, wool, tightly-woven
cotton, or cotton treated with
flame-retardant.

■ Never use any cut-off wheel that
is not recommended in this
manual.

■ Do not start or operate the unit
unless you have a clear work area
and secure footing.

■ Never smoke or use fire near the
unit or its fuel.

■ Since the muffler and exhaust gas
become very hot, make sure there
are no flammable substances
near the unit.

■ Never run the unit if you discover
a fuel leak.

■ A first-time operator should obtain
practical instruction from a dealer
or an experienced user before
using the unit.

■ Make sure all the components are
in place and the bolts are securely
fastened.

■ Make sure the cut-off wheel is
securely fastened and is not
damaged. Never use a cut-off
wheel with cracks, distortion, or
one that is unbalanced.

■ Make sure the belt tension is
properly adjusted and the wheel
guard, belt guard and clutch cover
are securely assembled.

■ Always inspect the front handle,
rear handle and wheel guard
before use, and never use the unit
if the parts are damaged.

26

3

Safety Precautions (continued)

WARNING!

Before Operation (continued)

■ Before cutting into a material,
familiarize yourself with the
risks associated with dust,
fumes, or mists that may be
generated during operation.

Make sure you provide
adequate protection against
harmful emissions. A high-

performance respirator and/or
water attachment may be
required.

Fueling the Unit

■ Mixing fuel and engine fueling
must be done outside, and
where no other combustibles
are nearby.

Figure 1. Start the engine at least 10 feet

(3 meters) from a fueling location.

Starting The Engine

■ Start the engine at least 10 feet
(3m) away from a fueling
location.

■ When starting the engine,
make sure the cut-off wheel
does not touch any object or
ground. As soon as the engine
starts, the cut-off wheel may
begin to rotate.

■ Do not use the cut-off saw to cut
or disturb asbestos or products
containing or wrapped in asbes­tos. If you believe you might be
cutting asbestos, contact your
supervisor.

■ Open the fuel cap slowly to
release any possible build-up of
pressure.

■ Never refuel when the unit is hot.
Allow to cool before refueling.

■ Never fuel when the engine is
running.

■ After fueling, wipe all spilled fuel.
Cutting metal may cause sparks
from the cut-off wheel and may
ignite spilled fuel which could
result in serious injury.

■ Start the engine according to the
instructions in this manual. Start
the engine on a firm, stable
surface. Make sure the area is
clear of bystanders. Starting the

engine must be done by only
one person without any
assistance.

■ The cut-off wheel should not
rotate at engine idle. If it does,
reduce idle speed.

■ Never leave the unit running
unattended.

The following statement only applies to United States and its territories

Shindaiwa Kogyo Co., Ltd.

Federal Emission Design And Defect Limited Warranty

Utility And Lawn And Garden Engines

Shindaiwa Kogyo Co., Ltd. warrants to the initial purchaser and each
subsequent owner, that this utility equipment engine (herein engine) is
designed, built and equipped to conform at the time of initial sale, to all
applicable regulations of the U.S. Environmental Protection Agency (EPA),
and that the engine is free of defects in materials and workmanship that would
cause this engine to fail to conform with EPA regulations during its warranty
period. This emission warranty is applicable in all States, except the State of
California.
For parts listed under PARTS COVERED, the dealer authorized by
Shindaiwa Kogyo Co., Ltd. will, at no cost to you, make the necessary
diagnosis, repair, or replacement of any defective emission-related component
to ensure that the engine complies with applicable U.S. EPA regulations.

MANUFACTURERS WARRANTY COVERAGE

When sold within the U.S., this engine’s emission control system is war­ranted for a period of two (2) years from the date this product is first delivered
to the original retail purchaser.

OWNER’S WARRANTY RESPONSIBILITIES

As the engine owner, you are responsible for the performance of the re­quired maintenance listed in your owner’s manual. Shindaiwa Kogyo Co., Ltd.
recommends that you retain all receipts covering maintenance on your engine,
but Shindaiwa Kogyo Co., Ltd. cannot deny a warranty claim solely for the lack
of receipts or for your failure to ensure the performance of all scheduled
maintenance.
As the engine owner, you should however be aware that Shindaiwa Kogyo
Co., Ltd. may deny your warranty coverage if your engine or a part has failed
due to abuse, neglect, improper maintenance or unapproved modifications.
You are responsible for presenting your engine to the nearest dealer
authorized by Shindaiwa Kogyo Co., Ltd. when a problem exists.
If your Shindaiwa Dealer is unable to answer questions regarding your
warranty rights and responsibilities, you should then contact your Shindaiwa
Distributor.
For the name and telephone number of the Shindaiwa Distributor in your
area, please call Shindaiwa Inc. at [phone] between the hours of 8:00
AM and 5:00 PM Pacific Standard Time.

4

25

Troubleshooting

Safety Precautions (continued)

PROBLEM

The engine does not start.

Make sure the fuel tank contains

with clean, fresh fuel (pg 11).

Remove the spark plug (pg 13).

Cutting performance is poor.

PROBLEM

Make sure the choke is

pushed fully in.

Make sure the air

cleaner is clean (pg 17).

Is the spark

plug wet?

Is the spark

plug dry?

Make sure the cut-off wheel is

appropriate for your work.

Make sure the diamond

Dry the

spark plug.

Replace the

fuel filter

wheel is sharp.

(pg 22).

Inspect the
spark plug

(pg 19).

Make sure the drive belt is

properly tightened (pg 19).

Pull the recoil

starter several

times to

Make sure the carburetor is
is properly adjusted (pg 18).

remove fuel

from the
cylinder.

If the above inspections and maintenance procedures do not

correct the problem, contact your Shindaiwa dealer for assistance.

Kickback

■ Kickback may force the cut-off
wheel up and back toward the
operator lightning-fast.

■ Kickback can occur whenever
the upper half of the cut-off
wheel touches an object. Never
cut an object using the upper
half of the cut-off wheel.

Operation

■ The unit must be held firmly
with both hands, one hand on
the rear handle, the other on
the front handle. Never hold
onto any other part of the unit.

Figure 3. Always operate

below chest level.

■ This unit must be operated
below chest level. Operating
above chest level may result in
serious injury.

■ When cutting vertically, the unit
should be positioned horizon­tally or with the wheel side tilted
slightly down. When cutting
horizontally, the recoil starter­side should face up.

EC7500.17

WARNING!

EC7500.14

Figure 2. Always be aware of, and

prepared for, kickback.

■ Never impact or apply pressure
to the sides of the cut-off wheel
for any reason.

■ Maintain firm and stable footing
during operation. Do not over­reach.

■ When working in a group, make
sure operators are least 30 feet
(10 meters) away from each
other.

■ If you drop the unit or strike it
against a hard surface, stop the
engine immediately and inspect
for damage. If you discover
damage, have it repaired before
you return the unit to service.

■ Check the fuel filler cap regularly
during operation to make sure it
remains securely tightened.

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