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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
into cutter
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 guide
bar up and back toward operator .
S Pinching the saw chain along the top of the
guide bar may p ush the g uide bar rapidly
back toward the operator .
S Either of these reactions may cause you to
lose control of t he saw which could result in
serious injury . Do not rely exclusively upon
devices built into your saw .
WARNING: Computed kickback
angle(CKA) listedon yoursaw andlistedinthe
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 t o the
lower CKA values. Lower CKA values repre-
sent safer angles to the user, higher values in-
dicate more angle and h igher kick energies.
Computed angles represented indicate total
energy andangleassociatedwithoutactivation
of the chain brake during kickback. Activated
anglerepresents chainstoppingtime relativeto
activation angle of chain break and resulting
kick angle of saw . In all cases lower CKA val-
ues represent a safer operating e nvironment
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 ofbar
and chain combinations other than thoselisted
is not recommended and may not meet the
CKA requirements per standard.
Computed kickback angle (CKA) Table
BAR
P/N Length CHAIN P/N
MODEL
CKA without chain brake
BH2160
16″ 952051211
952044370
19_