Stihl FS 120 Manual

5/20/2018
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Loop handle without barrier bar
•
Unscrew the nuts (1).
•
Remove lower clamp (2).
•
Remove screws (1).
•
Remove the loop handle (2) and
upper clamp (3).
Reassemble in the reverse
sequence.
•
Align the loop handle at
distance "A" = 20 cm (8") from
the control handle and tighten
down firmly.
Loop handle with barrier bar
•
Take out screws (1).
•
Remove lower clamp (2).
•
Remove the barrier bar (1), loop
handle (2) and upper clamp (3).
•
Take the square nuts (4) out of
the barrier bar.
Reassemble in the reverse
sequence.
•
Align the loop handle at
distance "A" = 20 cm (8") from
the control handle and tighten
down firmly.
The drive shaft is supported in a
flexible liner inside the drive tube.
The ends of the drive tube are
sealed with plugs.
- Remove the gearhead -see 11.1.
Drive shaft
•
Pull the drive shaft out of the
drive tube.
Note:If the shaft has turned blue,
fit a new one.
- Coat the drive shaft with STIHL
gear lubricant 0781 120 1109,
see 13.2, before installation.
Important:Apply the grease
uniformly and thinly to the whole
drive shaft. Do not pump grease
directly into the drive tube.
- Push the drive shaft into the
drive tube.
10.3 Loop Handle 10.4 Drive Shaft/ 
Flexible Liner
52 FS 120, 200, 300, 350, 400, 450, FR 350, 450

Stihl FS 120 Specifications

General

Power source	Gasoline
Type	Brush cutter
Cordless	Yes
Head type	Nylon line
Handle type	U-type handle
Engine power	1.8 hp
Product color	Black, Metallic, Orange
Uncertainty K	2 m/s²
Sound power level	110 dB
Fuel tank capacity	0.64 L
Vibration emission	4.9 m/s²
Engine displacement	30.8 cm³
Sound pressure level	98 dB
Cutting diameter (max)	- mm

Weight and Dimensions

Length	1760 mm
Weight	6300 g