Stihl FS 80 User Manual

Refertomanual"Troubleshooting,
standardrepairs"fortrouble-
shootingprocedures.
Deflectorformowingheads
•
Removescrews(1).
•
Removebase(2)anddeflector
(3).
Deflectorforallcuttingtools
•
Removescrews(1).
•
Removebase(2)anddeflector
(3).
Stopforcircularsawblades
•
Removescrews(1).
•
Removestop(2).
•
Undoclampingscrewsongear-
box.
-Pullgearboxoffprotectivetube.
-Refertomanual"Trouble-
shooting,standardrepairs"for
furtherdetailsondisassembly
andassembly.
-Slidegearboxontoprotective
tube,turningtheoutputshaftof
thegearbackandforthatthe
sametimesothatthesquareon
theinputshaftcanengagethe
squaresocketinthedrivepinion.
-Pushgearboxonasfaraspossi-
bleandalignit.
-Torqueclampingscrewsdownto
9.0Nm.
-Refitdeflectororstopifremoved.
11. Cuttingtooldrive
11.1 Bearinghousing(FS75) 11.2 Gearbox(FS80,85)
392RA160
3
2
1
VA
392RA162
1
2
VA
392RA161
12 3
VA
47

Stihl FS 80 Specifications

General

Engine Type	2-stroke
Displacement	25.4 cc
Cutting Diameter	420 mm
Shaft Type	Straight
Starter	Recoil
Sound Power Level	106 dB(A)
Fuel Capacity	0.44 liters
Vibration Level	4.5 m/s²