Mounting The Bar And Chain (Quick Chain Tensioner) - Stihl MS 250 Instruction Manual

Disengaging the chain brake.
Pull the hand guarad towards the
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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.
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MS 250
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
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slide in the locating hole (2) –- place
the chain over sprocket (3) at the
same time.
Turn the tensioning
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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.
Refit the sprocket cover and screw
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on the nuts only fingertight.
Go to chapter on "Tensioning the
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Saw Chain"
Mounting the Bar and Chain
(quick chain tensioner)
Removing the chain sprocket cover
1
3
Swing grip (1) into position (until it
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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
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gear (1)
English
2
1
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