Operation Manual

16
English / USA
BR 420
With the engine stopped and before
starting, check the air intakes
between the backplate and
powerhead for blockages and clean
if necessary.
A protective screen is available as a
special accessory to keep the air
intakes clear.
Only machines with catalytic
converter
: Move the setting lever to idle
position.
Machines with a catalytic converter must
always be switched off with the setting
lever in the idle position because the
throttle cable will otherwise disconnect
itself from the throttle trigger.
The throttle cable reconnects itself
automatically when the setting lever is
moved to the idle position.
: Observe safety precautions – see
chapter “Safety Precautions and
Working Techniques”.
: Slide the stop switch (1) to #
: Move the setting lever (2) to the
center position – this is the
starting throttle position
Note:
The setting lever can be used to select
any throttle opening between idle speed
(lower stop) and full throttle (upper stop).
Set the lever to idle position before
switching off the engine.
: If the engine is cold, turn the choke
knob to g
: If the engine is warm, turn the
choke lever to e
Also use this position if the engine
has been running but is still cold.
Information
Before You Start
373BA037 KN
Starting / Stopping
the Engine
373BA008 KN
1
373BA009 KN
2
373BA010 KN373BA011 KN