Chain Tensioner) - Stihl MS 171 Instruction Manual

Disengage the chain brake.
Pull the hand guard towards the
N
front handle until there is an audible
click – the chain brake is
disengaged.
Fitting the chain
WARNING
Wear work gloves to protect your hands
from the sharp cutters.
Fit the chain – start at the bar nose.
N
MS 171, MS 171 C, MS 181, MS 181 C, MS 211, MS 211 C
1
3
1
2 4
Fit the guide bar over the studs (1) –
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the cutting edges on the top of the
bar must point to the right.
Engage the peg of the tensioner
N
slide in the locating hole (2) –- place
the chain over the sprocket (3) at
the same time.
Turn the tensioning screw (4)
N
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.
Refit the sprocket cover and screw
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on the nut only fingertight.
Go to chapter on "Tensioning the
N
Saw Chain"
Mounting the Bar and Chain
(quick chain tensioner)
Removing the chain sprocket cover
1
3
Swing grip (1) into position (until it
N
engages)
Turn the wing nut (2) to the left until
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it hangs loosely in the chain
sprocket cover (3)
Remove chain sprocket cover (3)
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Mounting the tensioning gear
Remove and reverse tensioning
N
gear (1)
English
2
1
19