Tensioning The Saw Chain (Side Chain Tensioner); Tensioning The Saw Chain (Quick Chain Tensioner) - Stihl MS 251 Manual De Instrucciones

turn the adjusting wheel (4) a little
N
until the chain sprocket cover can
be slid completely against the
engine housing
Swing grip (5) into position (until it
N
engages)
Fit wing nut and tighten lightly
N
Next step: see "Tensioning the Saw
N
Chain"
MS 251, MS 251 C
Tensioning the Saw Chain
(side chain tensioner)
1
Retensioning during cutting work:
Switch off the engine.
N
Loosen the nut.
N
Hold the bar nose up.
N
Use a screwdriver to turn the
N
tensioning screw (1) clockwise until
the chain fits snugly against the
underside of the bar.
While still holding the bar nose up,
N
tighten down the nut firmly.
Go to "Checking Chain Tension".
N
A new chain has to be retensioned more
often than one that has been in use for
some time.
Check chain tension frequently –
N
see chapter on "Operating
Instructions".
Tensioning the Saw Chain
(quick chain tensioner)
1
2
Retensioning during cutting work:
Shut off the engine.
N
Pull out the hinged clip and loosen
N
the wingnut.
Turn the adjusting wheel (1)
N
clockwise as far as stop.
Tighten down the wingnut (2) firmly
N
by hand.
Fold down the hinged clip.
N
Go to "Checking Chain Tension"
N
A new chain has to be retensioned more
often than one that has been in use for
some time.
Check chain tension frequently –
N
see chapter on "Operating
Instructions".
English
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