Stihl FS 45 Manual

Adjusting idle speed
Engine stops while idling:
•
Turn the idle speed screw (LD)
clockwise until engine runs
smoothly – cutting tool must not
rotate.
Cutting tool rotates while
engine is idling:
•
Turn the idle speed screw (LD)
counterclockwise until cutting
tool stops rotating – and then
turn screw about another one
full in the same direction.
Correct operation of the carburetor
is only possible if atmospheric
pressure and internal fuel tank
pressure are equal at all times.
This is ensured by the tank vent.
Important: If problems occur on
the carburetor or the fuel supply
system, always check and clean
the tank vent.
Check function by performing
pressure and vacuum tests on
the tank via the fuel hose.
Equalizing pressure
Equalization of pressure from the
outside inwards takes place via
the thread in the fuel filler cap,
the slots in the valve body, the
sintered filter and the holes in
the cap.
Equalization of pressure from the
inside outwards takes place via
the holes in the cap, the sintered
filter, the slots in the valve body
and the thread in the fuel filler cap.
Cleaning
- Unscrew the fuel filler cap.
•
Ease the cap (1) off the valve
body (2).
•
Take sintered filter (3) out of cap.
•
Pry valve body out of fuel filler
cap (4).
•
Take the cup spring (5) out of
the filler cap.
•
Pry sintered filter (6) out of fuel
filler cap.
- Wash valve body in clean
gasoline.
•
Remove the valve (7) and fit a
new one.
•
Push new sintered filter (6) into
filler cap.
•
Fit sealing ring (8) over valve
body.
•
Fit cup spring (5) in the filler cap.
- Fit valve body in filler cap and
press it home until it snaps into
position.
- Fit new sintered filter in the cap.
- Fit cap on valve body and press
it down until it snaps into position.
- Refit the fuel filler cap.
9.3 Tank Vent
VA
232RA090
LD
VA
232RA091
VA
232RA092
VA
232RA093
1 8
3 2
7
6 5 4
30 FS 45

Stihl FS 45 Specifications

General

Brand	Stihl
Model	FS 45
Category	Trimmer
Language	English