Instruction Manual

7 Engaging and Disengaging
the Chain Brake
7.1 Engaging the Chain Brake
The saw is equipped with a chain brake.
The chain brake is activated by the inertia of the
front hand guard if the kickback force is high
enough or can be engaged by the operator.
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► Push the hand guard away from the front han‐
dle with your left hand.
The hand guard engages with an audible click.
The hand guard points to the symbol
. The
chain brake is engaged.
7.2 Disengaging the Chain Brake
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► Pull the hand guard toward the handlebar with
your left hand.
The hand guard engages with an audible click.
The hand guard points to the symbol
. The
chain brake is disengaged.
8 Switching the Saw On/Off
8.1 Switching On
► Hold the saw with your right hand on the con‐
trol handle – wrap your thumb around the con‐
trol handle.
► Disengage the chain brake.
► Hold the saw with your left hand on the front
handle – wrap your thumb around the handle.
1
2
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► Depress the lockout button (1) with your
thumb and hold it there.
► Pull the trigger (2) with your index finger and
hold it there.
The motor is accelerated and the chain
rotates.
8.2 Switching Off
► Release the trigger and lockout lever.
The chain stops rotating.
► If the chain continues to rotate: Engage the
chain brake, disconnect extension cord’s plug
from the wall outlet and contact your STIHL
servicing dealer.
Your saw has a malfunction.
9 Checking the Saw
9.1 Checking the Chain Sprocket
► Switch off the saw, engage the chain brake
and disconnect the extension cord’s plug from
the wall outlet.
► Disengage the chain brake.
► Remove the chain sprocket cover.
► Remove the bar and chain.
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a
► Use a STIHL gauge to check the wear marks
on the sprocket.
► If wear marks are deeper than a = 0.5 mm: Do
not use your chain saw and contact your
STIHL servicing dealer.
The chain sprocket must be replaced.
9.2 Checking the Guide Bar
► Switch off the saw, engage the chain brake
and disconnect the extension cord’s plug from
the wall outlet.
► Remove the chain and guide bar.
English 7 Engaging and Disengaging the Chain Brake
12 0458-729-0121-B