English / USA
Spark Arresting Screen*
in Muffler
Cutting tool rotates when engine is
idling
:
:
:
Clean spark arresting screen if
necessary.
If screen is damaged or coked up, fit
a new one.
:
Turn idle speed screw (LA) slowly
counterclockwise until cutting tool
stops rotating and then turn the
screw about another quarter turn in
the same direction.
1
Assemble in the reverse sequence.
Erratic idling behavior, engine stops
even though setting of LA screw is
correct, poor acceleration
2
3
4
2
Idle setting too lean:
:
Turn low speed screw (L)
counterclockwise (about 1/4 turn)
until the engine runs and
accelerates smoothly.
Erratic idling behavior
Idle setting too rich:
If the engine is low on power, check the
spark arresting screen in the muffler.
:
Turn low speed screw (L) clockwise
(about 1/ turn) until the engine runs
:
:
:
:
Release screw.
Pull off the spark plug boot.
4
and accelerates smoothly.
Remove mounting screws from
shroud (1) and lift shroud away.
Take out the self-tapping
screws (2).
Remove baffle (3) and spark
arresting screen (4).
*
see "Guide to Using this Manual"
FS 500, FS 550
31
| Categories | Blower Vacuum and Sweeper Manuals, STIHL Trimmer Manuals, Trimmer Manuals |
|---|---|
| Tags | STIHL FS 500, STIHL FS 550 |
| Download File |
|
| Language | English, EspanĚol |
| 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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