Tensioning The Saw Chain (Side Chain Tensioner) - Stihl MSE 250 C Instruction Manual

English
Disengaging 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
26
1
4
2
3
Turn the guide bar so that the chain
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is positioned as shown in the
pictogram (1) – the arrows show the
chain's direction of rotation.
Fit the guide bar over the studs (2)
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and engage the tensioner slide in
the hole (3) – place the chain over
the sprocket (4) at the same time.
5
Turn the tensioning screw (5)
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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 tighten
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the nut only moderately by hand –
finally tighten the nut only after
tensioning the saw chain.
Go to chapter on "Tensioning the
N
Saw Chain".
Tensioning the Saw Chain
(side chain tensioner)
2
1
Re-tensioning during cutting work:
Disconnect the plug from the wall
N
outlet.
Loosen the nut.
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Hold the bar nose up.
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Use a screwdriver to turn the
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tensioning screw (1) clockwise until
the chain fits snugly against the
underside of the bar.
While still holding the bar nose up,
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tighten down the nut firmly.
Go to "Checking Chain Tension".
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A new chain has to be retensioned more
often than one that has been in use for
some time.
Check chain tension frequently –
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see chapter on "Operating
Instructions".
MSE 250 C