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Symm°trio ,Gu,de a,
I'%;
L
Large
Radius
Tip
• Low-Kickback
Chain,
designed
with
a
contoured
depth
gauge
and guard
link
which
deflect
kickback
force
and allow
wood to gradually
ride into the cutter. Low-
Kickback
Chain
has
met kickback
per-
formance
requirements
when tested
on a
representative
sample of chain saws
be-
low 3.8 cubic inch displacement
specified
in ANSI B175.1,
Contoured
Depth
Gauge
D Elongated
Guard
Link
....
Low-Kickback
_
and
allowswood
Chain
to gradually
ride
into
oulter
"_ "
_Can
(_ "%_
Obstruct
Matedal
Not a Low-
Kickback
Chain
• Front Hand Guard, designed to reduce the
chance of your left hand contacting the chain
if your hand slips off the front haedtebar,
• Position
of front and rear handlebars,
de-
signed with distance between
handles and
"in-line" with each other.
The spread and
"in-line" position
of the hands provided
by
this design work together to give balance
and resistance
in controlling
the pivot of
the saw back toward
the operator
if kick-
back occurs.
CHAIN
BRAKE
AND
CKA
ANGLE
• Chain Brake, designed
to stop the chain in
the event of kickback.
_WARNING:
WE
DO NOT
REP-
RESENT
AND
YOU
SHOULD
NOT
AS-
SUME
THAT
THE
CHAIN
BRAKE
WiLL
PROTECT
YOU IN THE EVENT OF A KICK-
BACK,
Kickback
is a lightning fast action
which throws the bar and rotating chain back
and up toward the operator,
Kickback can be
caused by allowing contact of the bar tip in the
danger zone with any hard object.
Kickback
can also be caused by pinching the saw chain
along the top ofthe guide bar. This action may
Computed
kickback
angle (CKA) Table
BAR
MODEL
P/N
Length
P4018 AV
952044418
18"
NOTE:
If this saw is to be used for com-
mercial
logging,
a chain brake
is required
and shall not be removed
or otherwise
dis-
abled to comply with Federal OSHA Regula-
tions for Commercial
Logging,
push the guide bar rapidly back toward the op-
erator.
Either of these events may cause you
to lose control of the saw which could result in
serious injury or even death.
DO NOT RELY
UPON ANY OF THE DEVICES
BUILT INTO
YOUR SAW. YOU SHOULD
USE THE SAW
PROPERLY
AND CAREFULLY
TO AVOID
KICKBACK.
Reduced-kickback
guide bars
and
low-kickback
saw
chains
reduce
the
chance
and magnitude
of kickback
and are
recommended,
Your saw has a low kickback
chain and bar as original equipment,
Repairs
on a chain brake should be made by an autho-
rized servicing
dealer.
Take your unit to the
place of purchase if purchased from a servic-
ing deaIer, or to the nearest authorized master
service dealer.
• Tip contact in some cases may cause a light-
ning fast reverse REACTION,
kicking guide
bar up and back toward operator.
• Pinching the saw chain along the top of the
guide bar may push the guide bar rapidly
back toward the operator.
• Either of these reactions may cause you to
lose control of the saw which could result in
serious injury. Do not rely exclusively
upon
devices built into your saw,
_, WARNING:
Computed
kickback
angle (CKA) listed on your saw and listed in the
CKA table below represents angle of kickback
your
bar and chain combinations
will have
when tested in accordance
with CSA (Cana-
dian Standards
Association)
and ANSI stan-
dards. When purchasing replacement bar and
chain, considerations
should
be given to the
lower CKA values, Lower CKA values repre-
sent safer angles to the user, higher values in-
dicate more angle and higher kick energies.
Computed
angles
represented
indicate total
energy and angle associated without activation
of the chain brake during kickback,
Activated
angle represents chain stopping time relative to
activation
angle of chain break and resulting
kick angle of saw, in all cases lower CKA val-
ues represent
a safer operating environment
for the user.
The following
guide bar and chain combina-
tions
meet kickback
requirements
of CSA
Standards
Z62,1,
Z62,3,
& ANSI
B175.1
when
used on saws
listed in this manual.
Use
of bar and chain
combinations
other
than those
listed is not recommended
and
may
not meet the CKA
requirements
per
standard.
CHAIN P/N
CKA without
chain
brake
952051338
33 °
SAFETY
NOTICE:
Exposure to vibrations
through
prolonged
use of gasoline
powered
hand tools could cause blood vessel or nerve
damage
in the fingers,
hands, and joints of
people
prone
to
circulation
disorders
or
abnormal
sweflings.
Prolonged
use
in cold
weather
has
been
linked
to blood
vessel
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