RidgeLine 97006 Manual page 49

equipped with an automatic oiling system.
3. Check the drive sprocket. If it is worn or damaged due to strain, have it
replaced by an authorised service centre or a similarly qualified person.
4. Clear residue from the rails on the guide bar (8) using a screwdriver, putty
knife, wire brush or other similar tool. This will keep the oil passages open to
provide proper lubrication to the guide bar (8) and saw chain (7) (Fig. 45).
Fig. 45
5. Check the guide bar 'rail' for wear: Hold a ruler (straight edge) against the
side of the guide bar and 'cutter side plates'. If there is a gap between the
ruler and guide bar the guide bar 'rail' is normal. If there is no gap (ruler flush
against the side of the guide bar) the guide bar 'rail' is worn and needs to be
replaced with a new one of the same type (Fig. 46).
Fig. 46
6. Turn the guide bar 180° to allow even wear, thereby extending the life span of
the guide bar (8).
7. Check the saw chain for possible wear and damages. Replace it with a new
one if required. Experienced user can sharpen a dull saw chain (see section
"Saw chain sharpening" below).
8. Refit the saw chain (7) and the guide bar (8) as described under section
"Assembly".
5. Saw chain sharpening
NOTE: Saw chain sharpening may be required:
- after damp wood is cut (mealy sawdust),
- when handling the product becomes difficult (pulls to the left
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