Devices For Reducing The Risk Of Kickback Injury; Quickstop Chain Brake - Stihl 9 Instruction Manual

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STIHL recommends the use of the STIHL
Quickstop chain brake on your power-
head with green labeled reduced kick-
back bars and low kickback chains.
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To reduce the risk of injury, stop using
the saw immediately if the chain brake
does not function properly. Take the saw
to your local STIHL Service Centre! Do
not use the saw until the problem has
been rectified (see the section "Chain
Brake").
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STIHL has developed a chain stopping
system designed to reduce the risk of
injury in certain kickback situations.
It is called a Quickstop chain brake.
The Quickstop is available as standard
equipment on your STIHL chainsaw and
is available for installation on most older
STIHL saws. Ask your dealer to retrofit
your older model saw with a chain brake.

When a kickback occurs, the guide bar
may rotate around the front handle. If the
cutting position is such that the operator's
left hand is gripping the front handle
behind the hand guard, and if the left
hand rotates around the front handle and
makes a sufficiently forceful contact with
the front hand guard, which is the Quick-
stop activating lever, this contact will
activate the Quickstop. The chain brake
on most new model STIHL chainsaws
can also be activated by inertia. See the
chapter entitled "Chain Brake" of your
Owner's Manual.
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Never operate your chainsaw without a
front hand guard. In a kickback situation
this guard helps protect your left hand or
other parts of your body. In addition,
removal of the hand guard on a saw
equipped with a chain brake will deactivate
the chain brake.
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No Quickstop or other chain brake
device prevents kickback. These devices
are designed to reduce the risk of
kickback injury, if activated, in certain
kickback situations. In order for the
Quickstop to reduce the risk of kickback
injury, it must be properly maintained
and in good working order. See the
chapter entitled "Chain Brake" and
"Maintenance, Repair and Storing" of
your Owner's Manual. In addition, there
must be enough distance between the
bar and the operator to ensure that the
Quickstop has sufficient time to activate
and stop the chain before potential
contact with the operator.