Stihl FS 80 Service Manual

46 FC 75, FC 85, FH 75, FS 75, FS 80, FS 85, HL 75, KM 85, KW 85
: Use a new gasket (arrow).
– Mount the spacer flange and
tighten down the screws firmly,
b 3.2
Assemble all other parts in the
reverse sequence.
VA
936RA363
– Remove the shroud, b 5.1
– Carry out leakage test, b 9.2.1
: Take out the M3x12 screws (1).
: Remove the end cover with
cap (2).
VA
936RA223
1
2
: Take out the M3x8 screws (1).
: Remove the flange (2).
VA
936RA224
1
2
: Take the cap out of the end cover.
VA
936RA258
: Inspect the metering diaphragm
and gasket and replace if
necessary, b 9.3.3
Install in the reverse sequence.
Additional holes in the gasket and
diaphragm (if there are any) must
VA
936RA025
line up with those in the carburetor
and flange.
– Insert the M3x8 screws in the
flange mounting holes (without
integrally cast spacers) and
carburetor and tighten them
down.
Note:
STIHL recommends that the flange
mounting with an oval end cover be
converted to the later version with a
square end cover, b 9.3.2
9.3 Servicing the Carburetor
9.3.1 Flange Mounting with Oval End Cover

Stihl FS 80 Specifications

General

Brand	Stihl
Model	FS 80
Category	Trimmer
Language	English