Oregon PN2500N Mode D'emploi page 66

GB
3) Unscrew the nut (fig.6 item 1) and the screw (fig.6 item 2) and remove the
sprocket cover.
Fig.6
4) Turn the chain tension adjustment screw anticlockwise (to unscrew it)
(fig.7 item 1) to push back the chain tensioner tooth (fig.7 item 2).
Fig.7
5) Place the slot in the guide bar over the bolts. Ensure to fit the guide bar
with the saw chain "cutter" symbol at the top of the bar. Push the guide bar to
the left towards the sprocket (behind the clutch) (Fig.8)
Fig.8
6) Place the saw chain over the sprocket behind the clutch, and fit it around
the guide bar. Make sure the chain is placed above the chain catcher. (Fig.9)
Fig.9
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