Stihl MSA 161 T 10 [54/180] Tensioning the saw chain

Stihl MSA 161 T 10 [54/180] Tensioning the saw chain
0458-791-9621-B
52
English
6 Assembling the Saw
Fit the sprocket cover (1) so that it is flush with the saw.
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 cutting 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.
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:
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 tensioning screw
(1) clockwise or counterclockwise 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 visible: Readjust
chain tension.
6.3 Filling Up with Chain Oil
Chain oil lubricates and cools the rotating chain.
STIHL recommends you use a STIHL chain oil or an
equivalent chain oil approved for chainsaws.
Switch off the chainsaw, engage the chain brake and
remove the battery.
Place your saw on a level surface so that the oil tank cap
faces up.
Use a damp cloth to clean the tank cap and the area
around it.
Swing the grip on the oil tank cap to the vertical position.
Turn the oil tank cap counterclockwise as far as stop.
Remove the oil tank cap.
Fill up with chain oil, taking care not to spill any oil and do
not overfill the tank.
If the grip on the oil tank cap has dropped into the closed
position: Raise the grip until it is vertical.
0000-GXX-3203-A1
a
1
2
0000-GXX-2930-A0

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