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SymmetricalGuideBar
LargeRadiusTip
S Low--Kickback Chain, designed with a
contoured depth gauge and guard link
which deflect kickback force and allow
woodtograduallyrideintothecutter.Low--
Kickback Chain has met kickback per-
formance requirements when tested on a
representative sample of chain saws be-
low 3.8 cubic inch displacementspecified
in ANSI B175.1.
Low---Kickback
Chain
Not a Low---Kickback Chain
CanObstructMaterial
Contoured Depth Gauge
ElongatedGuardLink
Deflects
kickback force
and allowswood
to gradually ride
Intocutter
S Front Hand Guard, designed to reduce the
chanceof your lefthand contactingthechain
if your hand slips off the front handlebar.
S Position of front and rear handlebars, de-
signedwithdistancebetweenhandlesand
“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
S ChainBrake,designedto stopthechainin
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 i s alightning fast ac-
tion which throws the bar and rotating chain
back and up toward theoperator. Kickback
can becausedbyallowingcontactof thebar
tip in the danger zone with any hard object.
Kickbackcanalsobecausedby pinchingthe
sawchainalongthetopoftheguidebar. 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. DONOTRELYUPON ANY OFTHE
DEVICES BUILT INTO YOUR SAW. YOU
SHOULDUSETHESAWPROPERLYAND
CAREFULLY TO AVOID KICKBACK. Re-
duced--kickback guide bars and low--kick-
back saw chains reduce the chance and
magnitude of kickback and ar e recom-
mended. Yoursawhas alowkickbackchain
andbar asoriginalequipment. Repairs ona
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 dea ler, or to the nearest authorized
master service dealer.
S T ipcontactinsomecasesmay cause alight-
ning fast reverse REACTION, kicking th e
guide bar up and back toward the operator .
S Pin chingthesawchainalongthetopofthe
guide bar may push the guide bar rapidly
back toward the operator.
S Eitherofthesereactionsmaycauseyouto
lose control of the saw which could result
in serious injury .Do not rely exclusively
uponthesafetydevicesbuiltintoyoursaw .
WARNING: Computed kickback
angle (CKA) listed onyour saw and listed in
the CKA table below represents angle of
kickback your bar and chain combinations
will have when tested in accordance with
CSAandANSIstandards.Whenpurchasing
replacement bar and chain, considerations
should be given to the lower CKA values.
Lower CKAvalues representsafer anglesto
the user, higher values indicate more angle
andhigher kick energies. Computedangles
represented in the non-activated columnin-
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 andresulting kick angle ofsaw .
In all cases lower CKA values represent a
safer operating environment for the user.
The followingguide barand chain combina-
tions meet kickback requirements of CSA
Z62.1, Z62.3, & ANSI B175.1 whenusedon
saws listed in this manual. Use of bar and
chaincombinationsother thanthoselistedis
not recommended and may not meet the
CKA requirements per standard.
Computed kickback angle (CKA) Table
BAR
P/N
Length
CHAIN P/N
18″
MODEL
CKA without chain brake
2550T
952044418 952051338
14_
NOTE: If this saw is to be used for comm er-
cial logging, a chainbrake is required andshall
not be removed or otherwise disabled to com-
ply with Federal OSHA Regulations for Com-
mercial Logging.
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 swellings. Prolonged use in cold
weather has been linked to blood vessel