Tensioning The Saw Chain; Filling Up With Saw Chain Oil - Stihl MSA 161 T Instruction Manual

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The guide bar (8) may be fitted either way round.
The logo on the guide bar (8) may also be upside
down.
► Disengage the chain brake.
► Turn the tensioning screw (3) clockwise until
the saw chain fits snugly against the guide
bar. Make sure the drive links of the saw chain
engage the guide bar groove.
The guide bar (8) and saw chain are posi‐
tioned against the chainsaw.
► Fit the chain sprocket cover (1) so that it is
flush with the chainsaw.
► Fit and tighten down the nut (2).
6.1.2 Removing the Bar and Chain
► Switch off the chainsaw, engage the chain
brake and remove the battery.
► Unscrew the nut.
► Remove the sprocket cover.
► Turn the tensioning screw counterclockwise as
far as stop.
The chain is now slack.
► Remove the bar and chain.
6.2

Tensioning the Saw Chain

The saw chain expands or contracts during cut‐
ting work. Chain tension changes as a result.
Check chain tension regularly during operation
and readjust if necessary.
► Switch off the chainsaw, engage the chain
brake and remove the battery.
2
1
► Loosen the nut (2).
► Disengage the chain brake.
► Hold the bar nose up and turn the tensioning
screw (1) clockwise until the following points
apply:
36
3
a
– Chain sag 'a' in the center of the bar is 1 - 2
mm.
– The chain can still be pulled easily along the
bar with two fingers.
► If a Carving guide bar is used: Turn the ten‐
sioning screw (1) clockwise or counterclock‐
wise until the drive links on the underside of
the bar are just half visible.
► Hold the bar nose up and tighten down the nut
(2) firmly.
► If chain sag 'a' in the center of the bar is not 1
- 2 mm: Readjust chain tension.
► If you use a Carving bar and the drive links on
the underside of the bar are less than half visi‐
ble: Readjust chain tension.
6.3

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 chain oil approved for chain‐
saws.
► switch off chain saw, engage chain brake and
remove 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.
► If the grip on the oil tank cap has dropped into
the closed position: Raise the grip until it is
vertical.
6 Assembling the Saw
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