SAFETY INSTRUCTIONS
2 Sharpening your chain and adjustingIt is very difficult to sharpen a
chain correctly without the
raker clearanceright equipment. We
recommend you use a file
The risk of kickback is increased with a badlygauge. This will help you
sharpened chain!obtain the maximum kickback
reduction and cutting
performance from your chain.
A General information on sharpening cutting teeth
Y Never use a blunt chain. When the chain is blunt you have to
exert more pressure to force the bar through the wood and
the cuttings will be very small. If the chain is very blunt it willThe following faults will increase the risk of
not produce any cuttings at all, just wood powder.kickback considerably.
Y A sharp chain eats its wayY FILE ANGLE TOO
through the wood andLARGE
produces long, thick
cuttings.
Y CUTTING ANGLE
TOO SMALL
Y The cutting part of the chainBY FILE DIAMETERA
is called the CUTTING LINKTOO SMALL
and this consists of a
CUTTING TOOTH (A) and
the RAKER LIP (B). The
cutting depth is determined
by the difference in height
between the two.
B Sharpening cutting
teeth
Y When you sharpen a cutting tooth there are five important
factors to remember.
To sharpen cutting teeth you
FILING ANGLEwill need a ROUND FILE and
a FILE GAUGE. See the
�Technical data� section for
information on the size of file
and gauge that are
recommended for your saw
chain.
CUTTING ANGLE
1 Check that the chain is
correctly tensioned. A
slack chain is difficult to
sharpen correctly.
FILE POSITION
2 Always file cutting teeth
from the inside face,min 4 mm
reducing the pressure on
ROUND FILE DIAMETERthe return stroke. (0,16")
File all the teeth on one
side first, then turn the
saw over and file the
teeth on the other side.
FILE DEPTH
3 File all the teeth to the
same length. When the
1length of the cutting teeth
5is reduced to 4 mm
(0,16") the chain is worn
See the �Technical data� section for information aboutout and should be
sharpening your saw chain.replaced.
12 � English |
ACEC
