Stihl 017 Instruction Manual - Page 27

Mounting the Bar and Chain

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Mounting the Bar and Chain Models with Front Chain Tensioner 143BA003 KN 143BA034 KN 143BA005 KN 1 2 3 6 44 7 5 143BA004 143BA035 KN 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. • Unscrew nuts and take off cover. • Turn tensioning screw (1) counter- clockwise until the tensioning nut (2) butts against left end of housing slot. Wear work gloves to protect hands •• Fit the chain - start at the bar nose - disengage the chain brake: Pull hand guard (3) toward the front handle. • 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. • Engage the peg of the tensioner slide in locating hole (5) - place the chain over sprocket (6) at the same time. • 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. • Refit the sprocket cover - and screw on the nuts only fingertight. • Now refer to chapter "Tensioning the Saw Chain". 017, 018 25

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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.
•
Unscrew nuts and take off cover.
•
Turn tensioning screw
(1)
counter-
clockwise until the tensioning nut
(2)
butts against left end of housing slot.
•
Wear work gloves to protect hands
•
Fit the chain - start at the bar nose -
disengage the chain brake:
Pull hand guard
(3)
toward
the front handle.
•
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.
•
Engage the peg of the tensioner
slide in locating hole
(5)
- place the
chain over sprocket
(6)
at the
same time.
•
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.
•
Refit the sprocket cover - and
screw on the nuts only fingertight.
•
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