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 importantTo sharpen cutting teeth you
factors to remember.will need a ROUND FILE and
a FILE GAUGE. See the
�Technical data� section for
FILING ANGLEinformation on the size of file
and gauge that are
recommended for your saw
chain.
1 Check that the chain is
CUTTING ANGLEcorrectly tensioned. A
slack chain is difficult to
sharpen correctly.
FILE POSITION
2 Always file cutting teeth
from the inside face,
reducing the pressure on
the return stroke.min 4 mm
ROUND FILE DIAMETER (0,16")
File all the teeth on one
side first, then turn the
saw over and file the
teeth on the other side.
FILE DEPTH3 File all the teeth to the
same length. When the
length of the cutting teeth
1is reduced to 4 mm
5(0,16") the chain is worn
out and should be
See the �Technical data� section for information aboutreplaced.
sharpening your saw chain.
12 � English |
ACEC
