Stihl MSA 300.0 Instruction Manual page 48

English
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► Loosen the nuts (1).
► Disengage the chain brake.
► Hold the guide bar nose up and turn the ten‐
sioning screw (2) clockwise or counterclock‐
wise until the following points apply:
– The chain sag 'a' in the center of the guide
bar is 1 - 2 mm.
– The saw chain can still be pulled easily
along the guide bar with two fingers.
► Keep holding the guide bar nose up and screw
the nuts (1) tight.
► If the chain sag 'a' in the center of the guide
bar is not 1-2 mm: Readjust the saw chain ten‐
sion.
8.3 Filling Up with Saw Chain Oil
The saw chain oil lubricates and cools the rotat‐
ing chain.
STIHL recommends you use a STIHL saw chain
oil or an equivalent clear or biodegradable chain
oil approved for chainsaws.
► Switch off the chainsaw, engage the chain
brake and remove the battery.
► Place your chainsaw on a level surface so that
the oil tank cap faces up.
► Use a damp cloth to clean the oil tank cap and
the area around it.
► Swing the grip on the oil tank cap to the verti‐
cal position.
► Turn the oil tank cap counterclockwise as far
as it will go.
► Remove the oil tank cap.
► Fill up with saw chain oil, taking care not to
spill any oil and not to overfill the tank.
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► If the grip on the oil tank cap has dropped into
the closed position: Raise the grip until it is
vertical.
a
► Place the oil tank cap in the filler opening so
that mark (1) lines up with mark (2).
► Press the oil tank cap down and rotate it clock‐
wise as far as it will go.
The oil tank cap snaps into place. The mark
(1) points to mark (3).
► Check to see if the oil tank cap can be pulled
upwards and off.
► If the oil tank cap cannot be pulled upwards
and off: Fold down the grip on the oil tank cap.
The oil tank is closed.
If the oil tank cap can be pulled upwards and off,
perform the following steps:
► Place the oil tank cap in the filler opening – in
any position.
► Press the oil tank cap down and rotate it clock‐
wise as far as it will go.
► Press the oil tank cap down and rotate it coun‐
terclockwise until mark (1) points to mark (2).
► Now try again to close the oil tank.
► If the oil tank still cannot be closed properly:
Do not use the chainsaw and contact a STIHL
dealer for assistance.
The chainsaw is not in a safe condition.
8 Assembling the Saw
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0458-009-9602-A
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