Cutting equipment designed to reduce kickback, General safety precautions – Husqvarna 338XPT User Manual
Page 11
GENERAL SAFETY PRECAUTIONS
English
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11
Cutting equipment designed to reduce
kickback
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 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.
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 chips will be very small. If the chain
is very blunt it will produce wood powder and no chips
or shavings.
•
A sharp chain eats its way through the wood and
produces long, thick chips or shavings.
!
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.
IMPORTANT! No saw chain design eliminates the
danger of kickback.
!
WARNING! Any contact with a rotating
saw chain can cause extremely serious
injuries.