EN
49
EN
In
more
detail...
Care and maintenance
FPCSP46-3
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. 48).
Fig. 48
6. Turn the guide bar 180° to allow even wear, thereby extending the life span
of the guide bar (11).
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 (10) and the guide bar (11) as described under section
“Assembly- Chain and guide bar”.
Saw chain sharpening
NOTE:
Never saw with a blunt chain. The saw chain (10) is blunt if you
have to push the product into the tree and the chips are very small.
1. Have the saw chain (10) 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.
WARNING!
Only sharpen the saw chain (10) yourself if you are trained
and have experience! Use proper tools to sharpen the saw chain!
2. The height difference between the
tooth and the ridge is the cutting
depth. When sharpening the saw
chain (10) you have to consider the
following points (Fig. 49).
• File angle
• Cutting angle
• File position
• Diameter of round file
• File depth
Bumper
drive link
Tie
strap
Right-hand
cutter
Left-hand
cutter
Bumper tie
strap
Saw chain
direction
Fig. 49
3. To sharpen the chain proceed as follows:
• Use protective gloves.
• Ensure the chain is correctly tensioned.
• Engage the chain brake to lock the chain on the bar.
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