44
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EN
TTI932CHN
12
Fig. 40
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
ush 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. 41).
Fig. 41
6. Turn the guide bar 180° to allow even wear, thereby extending the life span
of the guide bar (12).
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. Ret the saw chain (11) and the guide bar (12) as described under
“Assembly”.
Saw chain sharpening
NOTE:
Never saw with a blunt chain. The saw chain is blunt if you
have to push the product into the tree and the chips are very small.
1. Have the saw chain (11) sharpened professionally at an authorised service
centre or sharpen the chain yourself by using a proper sharpening kit. Also
observe the sharpening instructions supplied with the sharpening kit.
Care and maintenance
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