Stihl FS 80 User Manual

Fastener Thread Forcomponent Tighteningtorque Remarks
size (Nm)
Splinescrew IS-M5x18 Deflectorshield 4.3 3)
Locknut M10x1L Cuttingtool 25.0 3)
Plastoformscrew IS-P4x16 Controlhandle/handlemouldings
(cowhorn) 1.03)
Splinescrew IS-M5x30 Controlhandle(cowhorn) 2.0 3)
Splinescrew IS-M6x35 Clamp,tensioner/
protectivetube 4.5 3)
Splinescrew IS-DG5x12 Clamp/guard 5.5 4)
Splinescrew IS-DG5x12 Apron/guard 5.5 1)4)
Splinescrew IS-DG6x25 Guard/gearhousing/
tensioner 7.5 4)
Locknut M8x1.25L Blade 25.0 4)
Bearingbolt IS-M10x63 Wheel/guard 19.0 1)4)
Nuts,bolts M4 Allothers 2.5
Nuts,bolts M5 Allothers 4.5
Splinescrew IS-M4x16 Gearboxcover/gearhousing 3.5 5)
Splinescrew IS-M5x20 Bladeguide/gearhousing 9.5 5)
Splinescrew IS-M5x20 Gearbox/gearhousing 9.5 5)
Nut M5 Blade 9.5 5)
Screwplug M11x10 Gearboxcover 5.5 5)
WheninsertingtheDGandP-typescrewsinanexistingthread:
–InserttheDGorP-typescrewintheholeandturnitanticlockwiseuntilitgentlydropsintotheholeinaxial
direction.
–Turnscrewinclockwiseandtightenwiththespecifiedtorque,
Thisensuresthatthescrewengagestheexistingthreadanddoesnotcutanewthread,thuspreservingthe
strengthofthescrewconnection,
1)Withwasher
2)FS75
3)FS80,85
4)FC75
5)HL75
Note:Screwdriverspeedwhenworkinginplastic:Plastoformscrewsmax.600rpm,
DGscrews max.500rpm.
8

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