5
CS-352
CORRECT USE OF CHAIN BRAKE
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 ofces, 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 specied
in this manual. For your own safety, do not remove the
chain brake system.
USA : ANSI Standard B175.1
Safety Requirement for chain saws
WARNING
ANSI Standard B175.1 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 B175.1.
Chain brake function
When the lever is pushed forward, chain brake
instantly stops the chain.
Chain brake unlock
When the lever is fully pulled toward the
operator, brake is unlocked.
CHAIN BRAKE OPERATION
• Set the lever in the unlocked position before starting
to cut.
• If the brake is tripped by kickback reaction, the chain
will stop immediately. Release the throttle to avoid
possible damage to the engine or clutch.
• Do not attempt to operate the engine with the brake
locked.
TESTING THE BRAKE
• Start the engine on a solid level surface and run at a
fast idle until warm.
• Hold the saw rmly by the handles and accelerate the
engine to a fast idle.
• Slowly operate the chain brake lever while holding
the saw rmly on the ground. When the brake lever
trips, the chain should stop. Immediately release the
throttle trigger.
IMPORTANT
Do not allow the saw to tip forward in order to avoid
damage to the chain.
WARNING
If the chain does not stop immediately, return the saw
to your authorized ECHO dealer for repair.
NOTE
• For practice, while cutting a small tree, push the
lever forward to lock the brake.
• Conrm that the brake works properly before each
use.
• If the chain brake is clogged with wood chips, func-
tion of the brake may deteriorate. Always keep the
device clean.
• Do not increase engine revolution while the chain
brake is locked.
• When using throttle latch at starting, keep the chain
brake locked.
