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CS-352
SPARK ARRESTOR MUFFLER
• The spark arrestor mufer controls the exhaust
noise and prevents hot, glowing particles of
carbon from leaving the mufer. Make sure the
spark arrestor screen is in good repair and prop-
erly seated in the mufer.
• 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
Rotational kickback
Chain moving downward at contact
Rotational kickback
Kickback Danger
Zone
Pinch
Kickback
This requirement also applies to all U.S. Forest
Service lands.
In some of these areas, the spark arrestor system
must be certied per USDA Forest Service Regula-
tion SAE J335.
Check with your local or state authorities for spe-
cic 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 of-
ces, 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 speci-
ed on page 24.
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.