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29MS 270, MS 270 C, MS 280, MS 280 C
English / USA
: Disengage the chain brake: Pull
hand guard (6) toward front handle.
Wear work gloves to protect your
hands from the sharp cutters.
: Fit the chain – start at the bar nose.
: Fit the guide bar over the studs (7) –
cutting edges on top of bar must
point to right – and engage the
peg of the tensioner slide in locating
hole (8) –- place the chain over
sprocket (9) at the same time.
: Now turn tensioning screw (10)
clockwise until there is very little
chain sag on the underside of the
bar –- and the drive link tangs are
located in the bar groove.
: Refit the sprocket cover –
and screw on the nuts only finger-
tight.
: Go to “Tensioning the Saw Chain”.
: Pull out the hinged clip (1) so that it
snaps into position.
: Turn the wingnut (2) counterclock-
wise until it hangs loose in the
sprocket cover (3).
: Remove the sprocket cover.
001BA108 KN
6
143BA003 KN
9
7
7
8
10
001BA109 KN
Mounting the Bar and Chain
(Quick chain tensioner)
2
1
133BA026 KN
3