4
MS 171, MS 181, MS 211
After disengaging the chain brake
and removing the chain sprocket
cover, bar and chain, the
powerhead’s bar stud is pushed
through the outer hole in the
mounting plate and secured with the
nut (arrow).
The machine is held in position on
the mounting plate by the two screw
heads on the engine housing.
Always use original STIHL
replacement parts.
They can be identified by the
STIHL part number,
the
STIH)
logo and the
STIHL parts symbol
(
This symbol may appear alone on
small parts.
Storing and disposing of oils and
fuels
Collect fuel or lubricating oil in a
clean container and dispose of it
properly in accordance with local
environmental regulations.
533RA000 TG
2.
Safety Precautions
If the engine is started up in the
course of repairs or maintenance
work, observe all local and country-
specific safety regulations as well
as the safety precautions and
warnings in the instruction manual.
Gasoline is an extremely flammable
fuel and can be explosive in certain
conditions.
Always wear suitable protective
gloves for operations in which
components are heated for
assembly or disassembly.
Improper handling may result in
burns or other serious injuries.
Do not bring any fire, flame, spark or
other source of heat near the fuel.
All work with fuel must be performed
outdoors only. Spilled fuel must be
wiped away immediately.
Always perform leakage test after
working on the fuel system and the
engine.
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