ENGLISH
CHAIN BRAKE WITH KICKBACK GUARD
Your chain saw is equipped with a chain brake designed to " The chain brake may be activated manually or by the force
stop the chain instantaneously in the event of a kickback. of inertia depending on the strength of the kickback and
A chain brake can reduce the risk of accident, but only the the position of the saw in relation to the object which made
operator can prevent accidents from happening. Be extremely contact with the kickback danger zone.
careful when operating a chain saw and do not allow the kick-
back danger zone to make contact with anything. - If the kickback is suf ciently violent and the left hand
is too far from the kickback guard, the chain brake is
" The chain brake (A) is activated either manually (with the left activated by the INERTIA of the chain brake against the
hand) or by the force of inertia (the inertia of the kickback force of the kickback.
guard resisting the motion of the saw from the force of the
kickback). However it is activated, the kickback protection - In the event of smaller kickbacks or when the left hand
mechanism works in the opposite direction to the force of
is near the kickback guard, the chain brake is activated
the kickback. The saw incorporates a slip clutch which pro-
manually with the left hand.
tects the saw against overload. If the chain stops while the
motor is running, the saw is overloaded. Ease up on the
" When the chain saw is turned on its side and the operator
cutting pressure until the chain starts running again. If the
is holding the side of the front handle, the kickback guard
saw jams in the tree, stop the saw immediately and free it.
will not strike the left hand in the event of a kickback and
will thus not activate the chain brake. In a situation of this
type, inertia is the only thing that can activate the chain
brake, but like manual activation, it will not work in every
situation.
Kickback guard inspection
" The chain brake is also activated when the kickback guard
(B) is pushed forward. This releases a springloaded mecha-" Inspect kickback guard for visible defects, such as cracks.
nism which jerks the brake band tightly around the brake
" Move kickback guard back and forth to ensure that it moves
drum.freely without being loose.
Manual chain brake function check
" Check chain brake daily or every time the saw is used.
Holding the running saw rmly with the left hand on the
front handle and the right hand on the rear handle, twist
your left wrist, pushing the kickback guard to activate the
chain brake without letting go of the front handle. The chain
" The purpose of the kickback guard is not only to activate should stop instantaneously. If the chain brake does not
the chain brake. Its other important function is to reduce perform as required, have it serviced by authorized per-
the danger of contact with the chain in the event that the sonnel.
operator loses his grip on the front handle.
Inertia chain brake function check
" Use the chain brake as a parking brake when carrying
the chain saw around or putting it down for short periods!
Besides automatic activation in the event of a kickback, the " Hold the running saw level with the guide bar approximately
chain brake may also be activated manually and must be 45 cm above a stump or other solid wooden object.
activated in the event of any inadvertent contact with a ro-
Release the power trigger.
tating chain.
" An activated chain brake is released by pulling the kickback " Release the front handle, letting
guard back towards the front handle. the chain saw pivot in your
right hand as the guide bar falls
" As pointed out on page 7, a kickback can be extremely down and strikes the stump.
violent and lightning-fast. Most kickbacks are small and do The brake should activate when
not activate the chain brake. When this happens, it is im-the bar nose hits the stump.
portant to maintain a rm grip on the saw and not let go.
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ACEC
