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Chain brake ; Starting / Stopping the engine
ENGLISH 12 - 34 -.
7. Chain brake
When the chain brake is activated, it stops the saw
chain in a fraction of a second.
Automatic engagement:
In an emergency, the chain brake engages instantly
in response to the inertia caused by kickback.
Please note that even the highly effective
automatic chain brake cannot offer
complete protection against injury. Always
work with great care and always avoid working
situations which would put you at risk of kickback.
Manual activation:
c To manually activate the chain brake,
press the hand protection (3) forwards
towards the guide bar.
As well as providing a quick response in an
emergency situation, manual activation of the saw
chain brake is intended as a means for immobilising
the tool in all situations in which the operator cannot
knowingly control the position of the guide bar or in
which the risk of unintentional contact between the
saw chain and a foreign body or the user himself
cannot be entirely excluded. This particularly applies
to starting the engine and carrying the tool, e.g. when
assessing an object or the surroundings before
starting cutting work or when walking from one
working area to the next.
In order to avoid excessive wear, the chain brake
should not be applied until the chainsaw has come to
a standstill – except of course in an emergency.
During start-up, once the engine has started the part
throttle setting should be cancelled as soon as
possible by briefly pulling the throttle control. This
ensures that the engine does not have to work
against the blocked chain for too long under part
throttle.
d To release the chain drive (i.e. cancel the
chain brake), pull the hand protection (3) back to
the front handle (4) again
Each time, before commencing your work, check
the function of the chain brake as follows:
Start the engine (see chapter 8)
trigger the chain brake at idle speed
then briefly accelerate to full throttle
the chain should then not move.
Never operate the chainsaw if it is faulty; instead let
a service workshop check your power tool
immediately
8. Starting / Stopping the engine
Every time you pull the starter cord, observe the
correct position and the safe position of the chainsaw
in accordance with the following chapter 8.2
"Starting".
8.1 Start-up settings
Before starting the engine, apply the chain
brake to immobilise the device.
Set the stop switch (18) to "I".
When starting the device for the first time, or after
having completely run down the fuel tank and
refuelled, press the primer (21) several times (at
least 5 x) until fuel can be seen in the plastic
bubble.
Before pulling the starter handle, press the
decompression valve (22) to make the starting
process easier. (Once the engine has started, the
decompression valve automatically jumps back to
the normal position.)
Cold start:
Pull out the choke (7) [this also activates
the part throttle setting, which can be
seen from the pulled-out part throttle
control pin (8)]
Slowly pull the starter handle until a first
resistance is felt, then pull it through in a
fast and strong motion.
Repeat the starting process until the engine audibly
and briefly starts up (ignites).
Then immediately press the choke back
in again. When the engine is restarted
again it then keeps running at part
throttle (visible from the part throttle
control pin).
With the engine running, briefly operate
the throttle control to cancel the part
throttle setting (the part throttle control
pin jumps back in again). The engine
will then continue to run at idle
speedter.
Warm start:
Start the engine in idle setting with the choke not
pulled out, or start it in
part throttle setting:
by pulling the choke out and pressing it
back in again [the part throttle setting is
activated as a result, which is visible
from the pulled-out part throttle control
pin (8)]
Start the engine until it runs, then briefly operate the
throttle control to cancel the part throttle setting (the
part throttle control pin jumps back in again). The
engine then runs on at idle speed.
Fig. 7
12


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