9
CS-500P
SPARK ARRESTOR MUFFLER
• The spark arrestor muffl er controls the exhaust
noise and prevents hot, glowing particles of
carbon from leaving the muffl er.
Make sure the spark arrestor screen is in good
repair and properly seated in the muffl er.
• 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 certifi ed per USDA Forest Service
Regulation SAE J335.
Check with your local or state authorities for
specifi c 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
offi 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
specifi ed on page 22.
For your own safety, do not remove the chain
brake system.
Canada : CSA Standard Z 62.1
Standard Z 62.3 CHAIN SAWS
USA : ANSI Standard B175.1
Safety Requirement for chain saws
WARNING
CSA Z 62.1 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
CSA Z 62.1.
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