Stihl MS 311 Product Instruction Manual - Page 26

Tensioning the Chain, Checking Chain Tension

Page 26 highlights

English 3 11 24 Tensioning the Chain Checking Chain Tension 001BA187 KN 133BA024 KN 143BA007 KN N Fit the guide bar over the studs (1) - the cutting edges on the top of the bar must point to the right. N Engage the peg of the tensioner slide in the locating hole (2) -- place the chain over sprocket (3) at the same time. N Turn the tensioning 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. N Refit the sprocket cover and screw on the nuts only fingertight. N Go to chapter on "Tensioning the Saw Chain" 1 Retensioning during cutting work: N Shut off the engine. N Loosen the nuts. N Hold the bar nose up. N Use a screwdriver to turn the tensioning screw (1) clockwise until the chain fits snugly against the underside of the bar. N While still holding the bar nose up, tighten down the nuts firmly. N Go to "Checking Chain Tension". A new chain has to be retensioned more often than one that has been in use for some time. N Check chain tension frequently - see chapter on "Operating Instructions". N Shut off the engine. N Wear work gloves to protect your hands. N The chain must fit snugly against the underside of the bar and it must still be possible to pull the chain along the bar by hand. N If necessary, retension the chain. A new chain has to be retensioned more often than one that has been in use for some time. N Check chain tension frequently - see chapter on "Operating Instructions". 24 MS 311, MS 391

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MS 311, MS 391
English
24
N
Fit the guide bar over the studs (1) –
the cutting edges on the top of the
bar must point to the right.
N
Engage the peg of the tensioner
slide in the locating hole (2) –- place
the chain over sprocket (3) at the
same time.
N
Turn the tensioning
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.
N
Refit the sprocket cover and screw
on the nuts only fingertight.
N
Go to chapter on "Tensioning the
Saw Chain"
Retensioning during cutting work:
N
Shut off the engine.
N
Loosen the nuts.
N
Hold the bar nose up.
N
Use a screwdriver to turn the
tensioning screw (1) clockwise until
the chain fits snugly against the
underside of the bar.
N
While still holding the bar nose up,
tighten down the nuts firmly.
N
Go to "Checking Chain Tension".
A new chain has to be retensioned more
often than one that has been in use for
some time.
N
Check chain tension frequently –
see chapter on "Operating
Instructions".
N
Shut off the engine.
N
Wear work gloves to protect your
hands.
N
The chain must fit snugly against
the underside of the bar and it must
still be possible to pull the chain
along the bar by hand.
N
If necessary, retension the chain.
A new chain has to be retensioned more
often than one that has been in use for
some time.
N
Check chain tension frequently –
see chapter on "Operating
Instructions".
3
1
1
2
4
001BA187 KN
Tensioning the Chain
1
133BA024 KN
Checking Chain Tension
143BA007 KN