Stihl FS 40, Service Manual

Page: 47 / 82

46 Series 4144 Components FC, FS, KM
:
Pull out the carburetor (1).
– Check the carburetor and service
or replace if necessary.
:
Remove the gasket (1).
Always install a new gasket.
:
Inspect the sealing faces
(arrows), and clean if necessary
b
11
– Inspect the spacer flange and
replace it if necessary – even
very minor cracks can result in
engine running problems,
b
4.4,
b
4.5
545RA179 TG
1
545RA180 TG
1
545RA181 TG
Always replace components with
damaged sealing faces.
Installing
Install new fuel hoses,
b
8.9.2
:
Fit the new gasket (1).
– Push the carburetor into position.
– To simplify assembly, coat the
stubs and ends of the new fuel
hoses with a little STIHL press
fluid,
b
11
:
Push the new fuel return hose (1)
and fuel suction hose (2) on to
the stubs (arrows) without using
pointed or sharp-edged tools
Fuel hoses must be pushed on
firmly as far as stop.
545RA182 TG
1
545RA040 TG
2
1
– Turn the pin (1) until the slot is in
line with the throttle cable.
:
Press down the throttle lever (2).
– Fit throttle cable (1) in the pin's
(2) slot.
:
Turn the pin (2) until the nipple is
properly seated (arrow).
– Check operation of throttle cable
and readjust if necessary,
b
8.6.2
– Reassemble all other parts in the
reverse sequence.
– Tightening torques,
b
3.4
545RA042 TG
1
2
545RA043 TG
2
1