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bar tip. A Reduced--Kickback Guide Bar
has been demonstrated to significantly re-
duce the number and seriousness of kick-
backs when tested in accordance with
safety requirements for gasoline powered
chain saws as set by ANSI B175.1.
Small Radius Tip
Symmetrical Guide Bar
Reduced Kickback Symmetrical Guide Bar
Large R adius Tip
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Low--Kickback Chain, designed with a
contoured depth gauge and guard link
which deflect kickback force and allow
wood togradually ride intothe 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.
Low---Kickback
Chain
Not aLow---Kickback Chain
Can Obstruct Material
Contoured Depth Gauge
Elongated Guard Link
Deflects
Kickback Force
And Allows Wood
To Gradually
Ride Into Cutter
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Front Hand Guard, designed to reduce the
chance of your left hand contacting the
chain if your handslips offthe front handle-
bar.
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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 resist ance in controlling the pivot of
the saw back toward the operator if kick-
back occurs.
CHAIN BRAKE AND CKA ANGLE
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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
KICKBACK. Kickback is a lightning fast ac-
tion which throws the bar and rotating chain
back and up toward the operator. Kickback
can be caused byallowing contact of the bar
tip in the danger zone with any hard object.
Kickback canalso becaused bypinching the
sawchain along thetopof theguide bar. This
action may push the guide bar rapidly back
toward the operator. 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 OFTHE
DEVICES BUILT INTO YOUR SAW. YOU
SHOULD USE THESAW PROPERLYAND
CAREFULLY TO AVOID KICKBACK. Re-
duced--kickback guide bars and low--kick-
back saw chains reduce the chance and
magnitude of kickback and are recom-
mended. Your sawhas alow 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 ser-
vicing dealer, or to the nearest authorized
master service dealer.
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 and ANSI standards. Whenpurchasing
replacement bar and chain, considerations
should be given to t he lower CKA values.
Lower CKA values represent safer angles to
the user, higher values indicate more angle
and higher kick energies. Computed angles
represented in the non-activated column in-
dicate 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 brake and resulting kick angle of saw.
In all cases lower CKA values represent a
safer operating environment for the user.
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Tip contact in some cases may cause a
lightning fast reverse REACTION, kicking
the guide bar upand backtoward the oper-
ator.
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Pinching thesawchain along the top ofthe
guide bar may push the guide bar rapidly
back toward the operator.
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Either of these reactions maycause youto
lose control of the saw which could result
in serious injury.Do not rely exclusively
upon thesafety devices built into yoursaw.
The following guide bar and chain combina-
tions meet kickback requirements of CSA
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.
STANDARDS:
This s aw is listed by Un-
derwriter’s Laboratories, Inc., and the Cana-
dian Standards Association in accordance
with:
ANSI B175.1--1991 “American National
Standard for Powered Tools -- Gasoline
Powered Chain Saw -- Safety Require-
ments.”
CSA Z62.1 “Chain Saws -- Occupational
Health and Safety”
CSA Z62.3 “Chain Saw Kickback Occupa-
tional Health and Safety”