Tensioning The Chain; Checking Chain Tension - Stihl MS 261 C-MQ Instruction Manual

English
1
3
1
2 4
Fit the guide bar over the studs (1) –
N
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.
Press down the throttle trigger
N
lockout in order to disengage the
chain brake.
Turn the tensioning
N
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 tighten
N
the nuts only moderately by hand
(they are finally tightened after the
saw chain is tensioned).
Go to chapter on "Tensioning the
N
Saw Chain"
28

Tensioning the Chain

1
Retensioning during cutting work:
Shut off the engine.
N
Loosen the nuts.
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 nuts 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".

Checking Chain Tension

Shut off the engine.
N
Wear work gloves to protect your
N
hands.
Press down the trigger lockout to
N
disengage the Quickstop Plus chain
brake.
The chain must fit snugly against
N
the underside of the bar and it must
still be possible to pull the chain
along the bar by hand when the
chain brake is released.
If necessary, retension the chain.
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".
MS 261 C-MQ