Information Before You Start; Starting / Stopping The Engine - Stihl BR 420 Instruction Manual

Change the fuel pickup body
once every year
: Drain the fuel tank.
: Use a hook to pull the fuel pickup
body out of the tank and take it off
the hose.
: Push the new pickup body into the
hose.
: Place the pickup body in the tank.
BR 420
Information
Before You Start
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.
Starting / Stopping
the Engine
1
2
: 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.
English
13