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GENERAL SAFETY PRECAUTIONS
Cutting equipment designed to minimise
kickback
WARNING! Faulty cutting equipment or the
!
wrong combination of bar and saw chain
increases the risk of kickback! Only use the
bar/saw chain combinations we recommend,
and follow the filing instructions. See
instructions under the heading Technical data.
The only way to avoid kickback is to make sure that the
kickback zone of the bar never touches anything.
By using cutting equipment with "built-in" kickback reduction
and keeping the chain sharp and well-maintained you can
reduce the effects of kickback.
Bar
The smaller the tip radius the smaller the kickback zone and
the lower the chance of kickback.
Chain
A chain is made up of a number of links, which are available
in standard and low-kickback versions.
IMPORTANT! No saw chain design eliminates the danger of
kickback.
WARNING! Any contact with a rotating saw
!
chain can cause extremely serious injuries.
Some terms that describe the bar and chain
To maintain the safety features of the cutting equipment, you
should replace a worn or damaged bar or chain with a bar and
chain combinations recommended by Husqvarna. See
instructions under the heading Technical Data for a list of
replacement bar and chain combinations we recommend.
Bar
•
Length (inches/cm)
•
Number of teeth on bar tip sprocket (T).
•
Chain pitch (inches). The spacing between the drive links
of the chain must match the spacing of the teeth on the bar
tip sprocket and drive sprocket.
•
Number of drive links. The number of drive links is
determined by the length of the bar, the chain pitch and
the number of teeth on the bar tip sprocket.
•
Bar groove width (inches/mm). The groove in the bar must
match the width of the chain drive links.
•
Chain oil hole and hole for chain tensioner. The bar must
be matched to the chain saw design.
Chain
•
Chain pitch (inches)
•
Drive link width (mm/inches)
•
Number of drive links.
Sharpening your chain and adjusting
depth gauge setting
General information on sharpening cutting teeth
•
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 will not produce any cuttings at all. Wood powder would
be the only result.
•
A sharp chain eats its way through the wood and produces
long, thick cuttings.
•
The cutting part of the chain is called the cutting link 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.
– 11
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