English / USA
Motor Management
Adjusting the Carburetor
Exhaust emissions are controlled by the
design of the fundamental engine
parameters and components (e.g.
carburation, ignition, timing and valve or
port timing) without the addition of any
major hardware.
General Information
The carburetor comes from the factory
with a standard setting.
L
1
This setting provides an optimum fuel-air
mixture under most operating
conditions.
3H/4
LA
With this carburetor it is only possible to
adjust the high speed screw within fine
limits.
:
:
Turn high speed screw (H)
Standard Setting
counterclockwise (max. 3/4 turn)as
far as stop.
:
:
:
Shut off the engine.
Carefully screw the low speed
screw (L) down onto its seat. Then
open it one turn counterclockwise.
Mount approved cutting tool.
Check the air filter and replace if
necessary.
:
:
Start the engine and run it until it is
warm.
:
Check adjustment of the throttle
cable and readjust if necessary –
see "Adjusting the Throttle Cable".
Adjust idle speed with the idle speed
screw (LA) so that the cutting tool
does not rotate.
32
FS 300, FS 350, FS 400, FS 450, FS 480
| Categories | Blower Vacuum and Sweeper Manuals, STIHL Trimmer Manuals, Trimmer Manuals |
|---|---|
| Tags | STIHL FS 300, STIHL FS 350, STIHL FS 400, STIHL FS 450, STIHL FS 480 |
| Download File |
|
| Language | English, Español |
| Product Brand | STIHL. Stihl Inc, USA - Corporate phone: (757) 486-9100. International Support Information: http://stihl.com Email: info@stihl.com, Trimmer |
| Document File Type | |
| Publisher | stihl.com |
| Wikipedia's Page | Stihl |
| Copyright | Attribution Non-commercial |
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