Stihl MSA 220 C Instruction Manual page 41

6 Assembling the Saw
The guide bar (6) may be fitted either way round.
The logo on the guide bar may also be upside
down.
► Insert and tighten down the screw (5) firmly.
4
► Fit the saw chain in the guide bar groove so
that the arrows on the tie straps on the top of
the bar point in the direction of rotation.
► Turn the tensioning gear (4) clockwise as far
as it will go.
2 3
► Fit the guide bar with tensioning gear and saw
chain on the saw and check the following
points:
– The tensioning gear (4) points towards the
user.
– The drive links of the saw chain are seated
in teeth of the chain sprocket (2).
– The head of screw (3) is seated in the slot in
the guide bar (6).
► Disengage the chain brake.
► Rotate the tensioning gear (4) counterclock‐
wise 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 and saw chain are positioned
against the chainsaw.
0458-795-9821-B
► Fit the chain sprocket cover so that it is flush
with the chainsaw.
► If the chain sprocket cover is not flush with the
chainsaw: Twist the adjusting wheel and repo‐
sition the chain sprocket cover.
The teeth of the adjusting wheel engage with
the teeth of the tensioning gear.
► Rotate the wing nut clockwise until the chain
sprocket cover sits tightly at the chainsaw.
► Close the handle of the wing nut.
6.1.2
► Switch off the chain saw, engage the chain
brake and remove the battery.
► Raise the grip of the wingnut.
► Rotate the wingnut counterclockwise until the
chain sprocket cover can be removed.
► Remove the sprocket cover.
► Turn the tensioning gear clockwise as far as
stop.
The chain is now slack.
► Remove the bar and chain.
4
► Take out the screw in the tensioning gear.
► Remove the tensioning gear.
6.2
6
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.
1
► Raise the grip of the wingnut (1).
► Rotate the wingnut (1) two turns counterclock‐
4
wise.
The wingnut (1) is loose.
► Disengage the chain brake.
► Hold the bar nose up and turn the tensioning
screw (2) clockwise or counterclockwise until
the following points apply:
– Chain sag 'a' in the center of the bar is 1 - 2
– The chain can still be pulled easily along the
Removing the Bar and Chain
Tensioning the Saw Chain
2
mm.
bar with two fingers.
English
a
41