Air Filter; Adjusting The Carburetor - Stihl FS 300 Manual De Instrucciones

Air filter

If there is a noticeable loss of engine
power
Turn the choke knob to g.
N
Press in the tab (1) and remove the
N
filter cover (2).
Clean away loose dirt from around
N
the filter (3) and inside the filter
cover.
Remove and check the filter
N
element – replace it if is dirty or
damaged.
Install the filter element in the filter
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cover.
Refit the filter cover.
N
FS 300, FS 350, FS 380

Adjusting the Carburetor

General Information
The carburetor comes from the factory
with a standard setting.
This setting provides an optimum fuel-air
mixture under most operating
conditions.
Preparations
Shut off the engine.
N
Mount the cutting attachment.
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Check the air filter and clean or
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replace if necessary.
Check that the throttle cable is
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properly adjusted – readjust if
necessary – see chapter on
"Adjusting the Throttle Cable".
Standard Setting
High speed screw (H) = 1 1/2
–
Low speed screw (L) = 1
–
L
H
Turn the high speed screw (H)
N
carefully clockwise until it is against
its seat, then turn it back 2 full turns.
Turn the low speed screw (L)
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carefully clockwise as far as stop,
then turn it back 1 turn
Adjusting Idle Speed
Carry out standard setting.
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Start and warm up the engine.
N
LA
Engine stops while idling
Turn the idle speed screw (LA)
N
clockwise until the engine runs
smoothly – the cutting attachment
must not rotate.
English
75