1
3
1
2 4
N
Fit the guide bar over the studs (1) –
the cutting edges on the top of the
bar must point to the right.
N
Engage the peg of the tensioner
slide in the locating hole (2) –- place
the chain over sprocket (3) at the
same time.
N
Turn the tensioning
screw (4)clockwise until there is
very little chain sag on the
underside of the bar – and the drive
link tangs are engaged in the bar
groove.
N
Refit the sprocket cover and screw
on the nuts only fingertight.
N
Go to chapter on "Tensioning the
Saw Chain"
MS 271, MS 291, MS 291 C
Mounting the Bar and
Chain (quick chain
tensioner)
Remove the chain sprocket cover.
1
3
2
N
Pull out the hinged clip (1) so that it
snaps into position.
N
Turn the wingnut (2)
counterclockwise until it hangs
loose
N
in the sprocket cover (3).
N
Removing the sprocket cover
Fitting the tensioning gear
1
N
Remove the tensioning gear (1) and
turn it over.
2
N
Unscrew the nut (2).
1
4
5
N
Position the tensioning gear (1)
against the guide bar (3) so that the
stud (4) projects through the upper
hole and the short guide peg (5)
locates in the lower hole.
English
3
25