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CS-352
SPARK ARRESTOR MUFFLER
• The spark arrestor muffler controls the exhaust
noise and prevents hot, glowing particles of
carbon from leaving the muffler.
Make sure the spark arrestor screen is in good
repair and properly seated in the muffler.
• Certain internal combustion engines operated on
forest, brush, and/or grass-covered areas in the
states of Washington, Oregon, Idaho, California,
Minnesota, New Jersey and Maine, are required
to be equipped with a spark arrestor.
CORRECT USE OF CHAIN BRAKE
Linear kickback
Rotational kickback
Chain moving downward at impact
Rotational kickback
Reduced radius
belongs on top
Pinch
Kickback
This requirement also applies to all U.S. Forest
Service lands.
In some of these areas, the spark arrestor system
must be certified per USDA Forest Service
Regulation SAE J335.
Check with your local or state authorities for
specific regulations in your area.
Failure to follow these requirements is a violation of
the law.
DANGER
Kickback safety precaution for chain saw
users: Kickback may occur when the nose or
tip of the guide bar touches an object or
when the wood closes in and pinches the
saw chain in the cut.
The installation of a chain brake may be mandatory
by law or as stipulated by insurance regulations in
your area of operation.
You should inquire through local government
offices, your employer or your local dealer to
ensure that your chain saw conforms to the
required safety standard.
ECHO chain brakes have been designed and
tested to comply with international safety standards
as follows.
This model needs to use low-kickback chain and
bar.
Do not use a combination other than those
specified on page 22.
For your own safety, do not remove the chain brake
system.
USA : ANSI Standard B175.1 - 2000
Safety Requirement for chain saws
Canada : CSA Standard Z 62.1 CHAIN SAWS
WARNING
ANSI Standard B175.1 - 2000 stipulates that
the brake shall stop the chain 0.12 seconds
at an engine speed of 13500 r/min.
It is the responsibility of the owner/operator
to ensure that the brake is serviced, adjusted
and tested strictly in accordance with the
instructions as detailed herein in order to
ensure that the brake performance is
maintained in compliance with the Standard
B175.1 - 2000.