The chain brake (A) can either be activated manually (by
your left hand) or automatically by the inertia release
mechanism.
The brake is engaged when the front hand guard (B) is
pushed forwards.
B
A
This movement activates a spring-loaded mechanism
that tightens the brake band (C) around the engine drive
system (D) (clutch drum).
C
The front hand guard is not designed solely to activate
the chain brake. Another important feature is that it
reduces the risk of your left hand hitting the saw chain if
you lose grip of the front handle.
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B
D
The chain brake must be engaged when the chainsaw is
started to prevent the saw chain from rotating.
Use the chain brake as a "parking brake" when starting
and when moving over short distances, to reduce the
risk of moving chain accidentally hitting your leg or
anyone or anything close by.
To release the chain brake pull the front hand guard
backwards, towards the front handle.
Kickback can be very sudden and violent. Most
kickbacks are minor and do not always activate the
chain brake. If this happens you should hold the
chainsaw firmly and not let go.
The way the chain brake is activated, either manually or
automatically by the inertia release mechanism,
depends on the force of the kickback and the position of
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