Mounting The Bar And Chain (Quick Chain Tensioner) - Stihl MS 251 Manual De Instrucciones

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.
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 screw
N
on the nut only fingertight.
Go to chapter on "Tensioning the
N
Saw Chain"
MS 251, MS 251 C
Mounting the Bar and Chain
(quick chain tensioner)
Removing the chain sprocket cover
1
3
Swing grip (1) into position (until it
N
engages)
Turn the wing nut (2) to the left until
N
it hangs loosely in the chain
sprocket cover (3)
Remove chain sprocket cover (3)
N
Mounting the tensioning gear
Remove and reverse tensioning
N
gear (1)
Remove screw (2)
N
2
Position tensioning gear (1) and
N
guide bar (3) relative to one another
1
Insert and tighten screw (2)
N
English
2
1
3
2
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