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– The guide bar is damaged.
– The measured groove depth is smaller than the
minimum groove depth of the guide bar (4 mm).
– The groove of the guide bar has narrowed or
spread.
12.3
Changing the guide bar (6) (Fig. 2)
1. Turn the chain tensioning wheel (7) anti-clockwise to
slacken the chain tension and remove the chain cover
(8).
2. Remove the guide bar (6) and the saw chain (5).
For dismantling, hold the guide bar (6) swivelled up-
wards at an angle of approx. 45 degrees to make it
easier to remove the saw chain (5) from the groove of
the guide bar (6).
3. Replace the guide bar (6) and fit the guide bar (6) and
saw chain (5) as described under Fit/remove the
chainsaw guide bar (12) and saw chain (11) (Fig. 2).
12.4
Replace the saw chain (5) and
allow it to run in (Fig. 2)
DANGER
Serious injuries possible due to tearing or
jumping off of the sawtooth!
–
Never fit a new saw chain on a worn sprocket or on
a damaged or worn guide rail. The saw chain could
jump off or break.
• Only use saw chains and blades designed for this
product.
• Before changing the saw chain, clean the groove of
the guide bar, as the saw chain may jump out of the
bar if it dirty. The deposits can also soak up the chain
oil. The consequence would be that the chain oil does
not reach the underside of the guide bar, or only to a
small extent, and lubrication is reduced.
1. Turn the chain tensioning wheel (7) anti-clockwise to
slacken the chain tension and remove the chain cover
(8).
2. Remove the guide bar (6) and the saw chain (5).
3. Lay out the saw chain (5) in a loop so that the cutting
edges are aligned clockwise. To align the saw chain
(5), follow the symbols (arrows) on the saw chain (5)
or above the guide pin (17).
4. Place the saw chain (5) in the groove of the guide bar
(6).
5. Insert the guide bar (6) on the guide pin (17) and the
stud bolt (16). The guide pin (17) and the stud bolt
(16) must be in the elongated hole on the guide bar
(6).
6. Guide the saw chain (5) around the chain wheel (15)
and check the alignment of the saw chain (5).
7. Fit the chain cover (8) back on.
Make sure that the chain cover (8) sits in the groove
on the housing.
8. Tighten the tensioning wheel (7) clockwise hand-tight.
9. Recheck the seating of the saw chain (5) and tension
the saw chain (5) as described under Tensioning the
saw chain (7) (Fig. 1).
Note:
With a new saw chain, the tensioning force decreases af-
ter some time. Therefore, you must retension the saw
chain after the first 5 cuts, or after 10 minutes of sawing at
the latest.
12.5
Sharpening the saw chain (5)
WARNING
Increased risk of accidents due to an incor-
rectly sharpened saw chain!
Deviations from the dimensions of the cutting edge ge-
ometry during sharpening increase the risk of kickback
of the product.
–
Have the saw chain sharpened by a professional.
The saw chain can be resharpened at an authorised spe-
cialist workshop. Do not attempt to sharpen the saw chain
yourself if you do not have a suitable tool and the neces-
sary experience.
CAUTION
Special tools are required to sharpen the chain; these
ensure that the cutting tools are sharpened at the cor-
rect angle and to the correct depth.
All cutting links must have the same width and length
after sharpening.
Notes:
A sharp saw chain ensures optimum cutting performance.
It effortlessly eats through the wood, leaving behind large,
long wood chips.
A saw chain is blunt if you have to push the cutting equip-
ment through the wood and the wood chips are very
small. With a very blunt saw chain, no chips are produced
at all, only wood dust.
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