Stihl MS 181 User Manual

23MS 171, MS 181, MS 211
Install a new brake band if there are
noticeable signs of wear (large
areas on inside diameter and/or
parts of outside diameter) and its
remaining thickness is less than
0.6 mm.
: Attach the brake band (1) to the
brake lever (arrow) from the side
and then turn it in the direction of
its seat.
: Swing the brake band into the
guide (arrow) first.
533RA030 TG533RA031 TG
1
533RA032 TG
: Push the brake band (1) into its
guides (arrows).
: Push the brake band (1) into its
seat (arrow) as far as stop.
– Engage pegs on cover (1) in the
holes (arrows) and push it fully
home.
533RA059 TG
1
533RA027 TG
1
TOP
1
533RA026 TG
If the pegs have broken off, the
cover can be serviced.
– Drill out the recesses exactly in
the center (arrow):
a (1) = o 4.5 mm
b (2) = o 5.5 mm
– If a peg is stuck in the engine
housing, remove it by pushing it
inwards.
– Place the cover (1) in position.
– Fit D 5x16 screw (2) and P 4x16
screw (3) and tighten down firmly.
– Tightening torques, b 3.5
– Install the clutch drum,
b 6.1
– Reassemble all other parts in the
reverse sequence.
– Check operation.
533RA033 TG
1
2
TOP
533RA034 TG
1
3
2
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Stihl MS 181 Specifications

General

Idle speed	- RPM
Motor type	2-stroke motor
Chain pitch	3/8 \
Blade length	400 mm
Product color	Black, Grey, Orange
Chain tensioner	Yes
Motor speed (max)	10000 RPM
Fuel tank capacity	0.266 L
Engine displacement	31.8 cm³
Power source	Gasoline
Sound power level	112 dB
Vibration emission	3.5 m/s²
Sound pressure level	100 dB

Weight and Dimensions

Weight	43004300 g