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Stihl MS 181 User Manual

Stihl MS 181
102 pages
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68 MS 171, MS 181, MS 211
13. Chain Lubrication
13.1 Pickup Body
Impurities gradually clog the fine
pores of the filter with minute
particles of dirt. This prevents the oil
pump from supplying sufficient oil to
the bar and chain. In the event of
problems with the oil supply system,
first check the oil tank and the
pickup body. Clean the oil tank if
necessary.
Troubleshooting,
Open the oil tank cap and drain
the oil tank. Collect chain oil and
dispose of it properly, b 1.
: Use hook (2) 5910 893 8800 to
pull the pickup body (1) out of the
oil tank.
Do not overstretch the suction hose.
: Pull off the pickup body (1),
inspect it and replace if
necessary.
Install in the reverse sequence.
533RA274 TG
1
2
13.2 Oil Suction Hose
The oil suction hose is located on
the underside of the machine and
must be replaced if damaged.
Open the oil tank cap and drain
the oil tank. Collect chain oil and
dispose of it properly, b 1.
Remove the handle frame,
b 11.4
: Disconnect the oil suction hose
(1) from the oil pump (arrow).
: Pry the oil suction hose (1) off the
oil tank connector (arrow).
Pull out the oil suction hose with
pickup body, inspect it and
replace if necessary.
533RA275 TG
1
533RA276 TG
1
: Push the oil suction hose (1),
pickup body first, through the
housing bore (arrow).
: Line up the oil suction hose (1)
– the tab (arrow) must be against
the guide.
Press home the oil suction hose
until the groove locates properly
in the engine housing.
533RA277 TG
1
533RA278 TG
1
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Stihl MS 181 Specifications

General IconGeneral
Idle speed- RPM
Motor type2-stroke motor
Chain pitch3/8 \
Blade length400 mm
Product colorBlack, Grey, Orange
Chain tensionerYes
Motor speed (max)10000 RPM
Fuel tank capacity0.266 L
Engine displacement31.8 cm³
Power sourceGasoline
Sound power level112 dB
Vibration emission3.5 m/s²
Sound pressure level100 dB
Weight and Dimensions IconWeight and Dimensions
Weight43004300 g

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