Stihl MS 271 Notice D'emploi page 19

8 Tensioning the Saw Chain (side chain tensioner)
► Guide the drive link into the bar groove (see
arrow) and turn the tensioning gear to the left
as far as possible
► Fit the chain sprocket cover so that the wing‐
nut locates on the collar screw (3).
5
When fitting the chain sprocket cover, the teeth
of the adjusting wheel and the tensioning gear
must mesh; if necessary,
► Turn the adjusting wheel (4) a little until the
chain sprocket cover can be slid completely
against the engine housing
► Pull the hinged handle (5) out (until it engages
in the upright position)
► Fit wing nut and tighten lightly
► Go to chapter on "Tensioning the Saw Chain"
0458-574-8221-D
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8 Tensioning the Saw Chain
(side chain tensioner)
1
Retensioning during cutting work:
► Shut off the engine.
► Loosen the nuts.
► Hold the bar nose up.
► Use a screwdriver to turn the tensioning
screw (1) clockwise until the chain fits snugly
against the underside of the bar.
► While still holding the bar nose up, tighten
down the nuts firmly.
► Go to "Checking Chain Tension".
A new chain has to be retensioned more often
than one that has been in use for some time.
► Check chain tension frequently – see chapter
on "Operating Instructions".
9 Tensioning the Saw Chain
(quick chain tensioner)
Retensioning during cutting work:
► Shut off the engine.
► Pull out the hinged clip and loosen the wing‐
nut.
► Turn the adjusting wheel (1) clockwise as far
as stop.
► Tighten down the wingnut (2) firmly by hand.
► Fold down the hinged clip.
► Go to "Checking Chain Tension"
A new chain has to be retensioned more often
than one that has been in use for some time.
English
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