3 Overview
3
Overview
3.1
Engine
1 Oil dipstick
The oil dipstick measures the engine oil level.
2 Air filter
The air filter filters the air taken in by the
engine.
3 Spark plug socket
The spark plug socket connects the ignition
lead to the spark plugs.
4 Oil drain tube
The oil drain tube seals the opening for drain‐
ing the engine oil.
3.2
Symbols
The symbols can be on the engine and have the
following meaning:
Read, understand and keep the
instruction manual.
4
Safety Precautions
4.1
Warning Symbols
The warning symbols on the engine or STIHL
machine have the following meaning:
0478-983-9915-B
Follow the safety instructions and their
measures.
Read, understand and keep the
instruction manual.
Do not touch hot surfaces.
Do not refill the tank when the engine
is running or heated to a high tempera‐
ture.
Avoid inhaling exhaust gases.
4.2
Fuel and Refuelling
WARNING
■ The fuel used for this engine is petrol. Petrol is
extremely inflammable. If petrol comes into
contact with an open flame or hot objects, it
may cause fires or explosions. This may result
in serious or fatal injury to people and damage
to property.
Protect petrol from heat and fire.
► Do not spill petrol.
► If petrol is spilled: wipe up the petrol with a
cloth and wait until all parts of the machine
are dry before starting the engine.
► Do not smoke.
► Do not refuel in the vicinity of flames.
► Before refilling the tank, stop the engine
and allow it to cool.
► If the tank needs to be emptied: do this out
of doors.
► Start the engine at least 3 m away from the
refuelling site.
► Never store the engine with petrol in the
tank inside a building.
■ Breathing in petrol fumes may result in poison‐
ing.
Do not breathe in petrol fumes.
► Refuel in a well-ventilated place.
■ The engine warms up while working. The pet‐
rol expands and overpressure may occur in
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