Tensioning The Chain - Stihl MS 661 C-M Manual De Instrucciones

Releasing the chain brake
Pull hand guard towards the front
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handle until it engages audibly –
chain brake is released
Fitting the saw chain
WARNING
Put on protective gloves – risk of injury
by the sharp cutters
Fit the chain starting at the nose of
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the guide bar
MS 661 C-M
1
3
1
2 4
Position the guide bar over the
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bolts (1) – the cutting edges of the
saw chain must point to the right
Position the locating hole (2) over
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the peg of the tensioner slide –
simultaneously place the saw chain
over the sprocket wheel (3)
Turn screw (4) to the right until there
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is very little chain sag on the
underside of the bar – and the drive
link tangs engage in the bar groove
Refit the chain sprocket cover – and
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then screw on the nut by hand until
it is fingertight (only tighten the nuts
after the saw chain has been
tensioned)
Go to chapter "Tensioning the saw
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chain"

Tensioning the Chain

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Retensioning during cutting work:
Shut off the engine.
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Loosen the nuts.
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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 nuts 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".
English
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