18
English
MS 380
:
Fit the guide bar over the studs
(7)
–
cutting edges on top of bar must
point to right – and engage the
peg of the tensioner slide in locating
hole
(8)
– place the chain over
sprocket
(9)
at the same time.
:
Now turn tensioning screw
(10)
clockwise until there is very little
chain sag on the underside of the
bar – and the drive link tangs are
located in the bar groove.
:
Refit the sprocket cover –
and screw on the nuts only finger-
tight.
:
Go to “Tensioning the Saw Chain”.
Retensioning during cutting work:
:
Shut off the engine first –
and then loosen the nuts.
:
Hold the bar nose up and use
screwdriver to turn tensioning screw
(1)
clockwise until chain fits snugly
against the underside of the bar.
:
While still holding the bar nose up,
tighten down the nuts
firmly
.
:
Go to chapter “Checking Chain
Tension”.
A new chain has to be retensioned more
often than one that has been in use for
some time.
:
Check chain tension frequently –
see chapter "Operating
Instructions".
:
Shut off the engine.
:
Wear work gloves.
:
Chain must fit snugly against the
underside of the bar – and, with the
chain brake disengaged, it must still
be possible to pull the chain along
the bar by hand.
:
If necessary, retension the chain.
A new chain has to be retensioned more
often than one that has been in use for
some time.
Check chain tension frequently – see
"Operating Instructions".
9
7
7
8 10
001BA109 KN
Tensioning the Saw Chain
1
133BA024 KN
Checking Chain Tension
143BA007 KN
