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

6 Assembling the Saw
► Fit the guide bar and chain on the saw and check the
following points:
– Chain drive links are seated in teeth of chain sprocket
(5).
– Head of screw (6) locates in slot in guide bar (8).
– Peg of tensioner slide (4) engages hole (7) in guide bar
(8).
The guide bar (8) may be 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 chain fits
snugly against the bar. Make sure the drive link tangs
engage the bar groove.
The guide bar (8) and chain are seated against 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.
0458-791-9821-C
6.2
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
3
► Loosen the nut (2).
► Disengage the chain brake.
► Hold the bar nose up and turn the tensioning screw (1)
► If a Carving guide bar is used: Turn the tensioning screw
► 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:
► If you use a Carving bar and the drive links on the
6.3
Chain oil lubricates and cools the rotating chain.
STIHL recommends you use a STIHL chain oil or an
equivalent chain oil approved for chainsaws.

Tensioning the Saw Chain

remove the battery.
2
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.
(1) clockwise or counterclockwise until the drive links on
the underside of the bar are just half visible.
Readjust chain tension.
underside of the bar are less than half visible: Readjust
chain tension.

Filling Up with Chain Oil

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