English / USA
Rule of thumb
Adjusting Idle Speed
Erratic idling behavior
Idle setting too rich:
Turn high speed screw (H) about
It is usually necessary to change the
setting of the idle speed screw (LA)
after every correction to the low speed
screw (L).
1/4
turn for every 1000m (3300 ft)
:
Turn low speed screw (L) clockwise
(about 1/4 turn) until the engine runs
and accelerates smoothly.
change in altitude.
Conditions for adjustment
Make sure the cutting lines are full
length (as far as limiter blade on the
deflector).
:
Warm up engine for about 3
minutes.
Engine stops while idling
:
:
Carry out standard setting.
:
Turn idle speed screw (LA) slowly
clockwise until the engine runs
smoothly – cutting head must not
rotate.
Warm up engine for about 3
minutes.
:
Open the throttle wide.
At high altitude
Cutting head rotates when engine is
idling
:
Turn high speed screw (H) clock-
wise (leaner) no further than stop
until there is no noticeable increase
in engine speed.
:
Turn idle speed screw (LA) slowly
counterclockwise until cutting blade
stops rotating and then turn the
screw about another 1/2 to 1 turn in
the same direction.
At sea level
:
Turn high speed screw (H) counter-
clockwise (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
It is possible that maximum engine
speed may be reached with the
standard setting in each case.
Idle setting too lean:
:
Turn low speed screw (L)
counterclockwise (about 1/4 turn)
until the engine runs and
accelerates smoothly.
FS 75
25
| Categories | Blower Vacuum and Sweeper Manuals, STIHL Trimmer Manuals, Trimmer Manuals |
|---|---|
| Tags | STIHL FS 75 |
| 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 |
(2 votes, average: 4.5 out of 5)
Lawn and Garden readers have rated STIHL FS 75 Trimmer Owners Manual 4.5 out of 5.0 based on 2 product reviews. Good solution to solve a problem
This is a great machine'
Looks good too