Stihl MS 250 Notice D'emploi page 20

English
Cutting Attachment
A cutting attachment consists of the saw
chain, guide bar and chain sprocket.
The cutting attachment that comes
standard is designed to exactly match
the chain saw.
1
a
The pitch (t) of the saw chain (1),
–
chain sprocket and the nose
sprocket of the Rollomatic guide bar
must match.
The drive link gauge (2) of the saw
–
chain (1) must match the groove
width of the guide bar (3).
If non-matching components are used,
the cutting attachment may be damaged
beyond repair after a short period of
operation.
18
Chain Scabbard
2
Your saw comes standard with a chain
scabbard that matches the cutting
attachment.
3
If guide bars of different lengths are
mounted to the saw, always use a chain
scabbard of the correct length which
covers the complete guide bar.
The length of the matching guide bars is
marked on the side of the chain
scabbard.
Mounting the Bar and Chain
Removing the chain sprocket cover
Unscrew the nuts and take off the
N
chain sprocket cover.
1
2
Turn the screw (1)
N
counterclockwise until the tensioner
slide (2) butts against the left end of
the housing slot.
MS 250