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Stihl FS 120 Manual

Stihl FS 120
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5/20/2018
STIHL FS 350 Service manual.pdf - slidepdf.com
http://slidepdf.com/reader/full/stihl-fs-350-service-manualpdf 32/63
Engage outer spring loop in the
recess and refit rewind spring in
fan housing in the counterclock-
wise direction, starting outside
and working inwards.
Check the position of the
inner spring loop. It should be
2 mm (0.08") away from the hub.
- Fit screw and tighten it down to
1.5 Nm (1.1 lbf.ft).
- Install the rope rotor - see
"Standard Repairs, Troubleshoo-
ting" handbook.
- Tensionthe rewind spring -see
6.2.2.
Make a loop in the starter rope.
Grip the ropecloseto the rotor
and use it to turn the rope rotor
six full turns counterclockwise.
Hold the rope rotor steady.
Pull out the rope with the starter
grip and straighten it out.
- Hold the starter grip firmly to
keep the rope tensioned.
- Let go of the rope rotor and
slowly release the starter rope
so that it can rewind properly.
Note:The rewind spring is cor-
rectly tensioned when the starter
grip sits firmly in the rope guide
bush without drooping to one side.
If this is not the case, tension the
spring by one additional turn.
When the starter rope is fully
extended, it must still be possible
to rotate the rope rotor at least
another half turn before maximum
spring tension is reached. If this is
not the case, pull the rope out,
hold the rope rotor steady and
take off one turn of the rope.
Do not overtension the rewind
spring as this will cause it to
break.
- Fit fan housing, insert screws
and tighten down to 6.0 Nm
(4.4 lbf.ft).
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6.2.2 Tensioning
FS 120, 200, 300, 350, 400, 450, FR 350, 450 31

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Stihl FS 120 Specifications

General IconGeneral
Power sourceGasoline
TypeBrush cutter
CordlessYes
Head typeNylon line
Handle typeU-type handle
Engine power1.8 hp
Product colorBlack, Metallic, Orange
Uncertainty K2 m/s²
Sound power level110 dB
Fuel tank capacity0.64 L
Vibration emission4.9 m/s²
Engine displacement30.8 cm³
Sound pressure level98 dB
Cutting diameter (max)- mm
Weight and Dimensions IconWeight and Dimensions
Length1760 mm
Weight6300 g

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