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

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WARNING
After fueling, tighten down the filler cap as
securely as possible by hand.
7 Information Before You
Start
NOTICE
With the engine stopped and before starting,
check the air intake grille between the backplate
and powerhead for blockages and clean if nec‐
essary. A protective screen is available as a spe‐
cial accessory to keep the air intake clear.
► Move the setting lever to the idel position.
The throttle cable disconnects itself from the
throttle trigger if the engine is not shut off in the
idle position.
The throttle cable reconnects itself automatically
when the setting lever is moved to the idle posi‐
tion.
8 Starting / Stopping the
Engine
8.1 Starting the Engine
► Observe safety precautions.
12
1

7 Information Before You Start

2
► Slide the stop switch (1) to #
► Move setting lever (2) to center position –
starting throttle.
The setting lever enables you to select and hold
any throttle position between (lower stop) idle
and full throttle (upper stop).
Set the lever to the idle position before switching
off the engine.
8.1.1 Before Starting
► Close the stop cock (3) (set to upright posi‐
tion).
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