Stihl MS 251 Notice D'emploi page 19

Fit the saw chain – starting at the
N
nose of the guide bar – pay attention
to the position of the tensioning gear
and the cutting edges
Turn tensioning gear (1) to the right
N
as far as possible
Turn the guide bar so that the
N
tensioning gear faces the user
2
Place the saw chain on the chain
N
sprocket (2)
Slide the guide bar over the collar
N
screw (3); the head of the rear collar
screw must protrude into the oblong
hole
MS 251, MS 251 C
3
Guide the drive link into the bar
N
groove (see arrow) and turn the
tensioning gear to the left as far as
possible
Fit chain sprocket cover, sliding the
N
guide lugs into the engine housing
openings
When fitting the chain sprocket cover,
the teeth of the adjusting wheel and the
tensioning gear must mesh; if
necessary,
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"
4
5
English
17