58
TT5MTP26-2
In
more
detail
. . .
Saw chain sharpening
WARNING!
Only sharpen the saw chain yourself if you are trained and have
experience! Use proper tools to sharpen the saw chain!
NOTE:
Never saw with a blunt chain. The saw chain is blunt if you have to
force the machine to do the job and the chips are very small.
> Have the saw chain (C7) sharpened professionally at an authorised service centre
or sharpen the chain yourself by using a suitable sharpening kit. Also observe the
sharpening instructions supplied with the sharpening kit.
> The height difference between the tooth and the ridge is the cutting depth. When
sharpening the saw chain (C7) you have to consider the following points (Fig. 61)
– File angle
– Cutting angle
– File position
– Diameter of round file
– File depth
Right-hand
cutter
Bumper
drive link
Tie
strap
Left-hand
cutter
Bumper tie
strap
Saw chain direction
P L
In
m
or
e
d
e
ta
il
…
.
59
S aw C hain S harping
Have the saw chain (D6) sharpened professionally at an
authorised service centre or sharpen the chain yourself by
using a suitable sharpening kit. Also observe the sharpening
instructions supplied with the sharpening kit.
The height difference between the tooth and the ridge is the
cutting depth. When sharpening the saw chain (D6) you have
to consider the following points. (See Fig. 27a)
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.
Use a suitable file, whose diameter is 1.1 times the cutting
tooth depth. Make sure 20% of the file diameter is above the
cutter's top plate.
A file guide is available from most reputable tool merchants
and is the easiest way to hold the file at the correct position.
File at an angle perpendicular to the bar, and at an angle of
25° to the direction of travel. (See Fig. 27b)
>
>
>
>
>
>
WA R NING !
Only sharpen the saw chain yourself if you
are trained and have experience! Use proper tools to
sharpen the saw chain!
NO T E :
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.
Ma intena nc e a nd R epa irs
M4MTP25-2
by M a c A llis ter
EN
61
> To sharpen the chain proceed as follows:
– Use protective gloves.
– Ensure the chain is correctly tensioned.
– Lock the chain on the bar.
> Use a suitable file with a diameter 1.1 times the cutting tooth depth. Make sure 20%
of the file diameter is above the cutter’s top plate.
> A file guide is available from most reputable tool merchants and is the easiest way
to hold the file at the correct position.
Care and maintenance
