Owner's Manual

You can run chains of different pitches
on this chainsaw - depending on the
chain sprocket (see “Specifications”)
The chain pitch must match the guide
bar. In addition, the drive link gauge
must match the guide bar groove width.
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Unscrew nuts and take off cover.
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Turn tensioning screw (1) counter-
clockwise until the tensioning nut (2)
butts against left end of housing slot.
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Wear work gloves to protect hands
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Fit the chain - start at the bar nose -
disengage the chain brake:
Pull hand guard (3) toward
the front handle.
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Fit the guide bar over the studs (4)
so that the chain cutting edges on
the top of the bar point toward the
bar nose.
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Engage the peg of the tensioner
slide in locating hole (5) - place the
chain over sprocket (6) at the
same time.
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Now turn tensioning screw (7)
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.
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Refit the sprocket cover - and
screw on the nuts only fingertight.
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Now refer to chapter “Tensioning
the Saw Chain”.
Mounting the Bar and Chain
Models with Front Chain Tensioner
143BA005 KN
4
5
6
7
4
143BA003 KN
143BA034 KN
143BA004
3
1
2
143BA035 KN
017, 018 25