41
TTL758CHN
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EN
Care and maintenance
Right-hand cutter
Left-hand cutter
Bumper tie strap
Bumper drive lind
Tie strap
Saw chain direction
Fig. 15a
6). Turn the guide bar 180° to allow even wear, thereby extending
the life span of the guide bar (4).
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 (3) and the guide bar (4) as described under
“Assembly”.
1). Have the saw chain (3) 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.
2). The height dierence between the tooth and the ridge is the
cutting depth. When sharpening the saw chain (3) you have to
consider the following points (Fig. 15a).
- File angle
- Cutting angle
- File position
- Diameter of round le
- File depth
2. 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.
WARNING! Only sharpen the saw chain yourself if you are
trained and have experience! Use proper tools to sharpen
the saw chain!