English / USA
Rule of thumb
Turn high speed screw (H) about
At high altitudes
Cutting tool rotates when engine is
idling
:
Turn the high speed screw (H)
clockwise (leaner) no further than
stop until there is no noticeable
increase in engine speed.
:
Turn idle speed screw (LA) slowly
counterclockwise until cutting tool
stops rotating and then turn the
1/4
(3.300
turn over for every 1000m
ft) change in altitude.
Conditions for adjustment
1
screw about another /2 to 1 turn in
At sea level
the same direction.
Carry out adjustment with nylon line
mowing head, making sure the
cutting lines are at full length (as far
as limiter blade on deflector).
:
Turn the high speed screw (H)
counterclockwise (richer) no further
than stop until there is no noticeable
increase in engine speed.
Erratic idling behavior, engine stops
even though setting of LA screw is
correct, poor acceleration
:
:
:
Carry out standard setting without
changing the high speed screw (H).
it is possible that maximum engine
speed will already be reached with
the standard setting in each case.
Idle setting too lean:
Warm up engine for about
:
Turn low speed screw (L)
counterclockwise (about 1/4 turn)
until the engine runs and
accelerates smoothly.
3
minutes.
Open the throttle wide.
Adjusting Idle Speed
It is usually necessary to change the
setting of the idle speed screw (LA)
after every correction to the low speed
screw (L).
Erratic idling behavior
Idle setting too rich:
:
Turn low speed screw (L) clockwise
(about /4 turn) until the engine runs
1
:
Warm up engine.
and accelerates smoothly.
Engine stops while idling
:
Turn idle speed screw (LA) slowly
clockwise until the engine runs
smoothly – cutting tool must not
rotate.
28
FS 45, FS 46
| Categories | Blower Vacuum and Sweeper Manuals, STIHL Trimmer Manuals, Trimmer Manuals |
|---|---|
| Tags | STIHL FS 45, STIHL FS 46 |
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| 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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