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i
SAFETY RULES
Never Reverse
Hand Positions
_m
t
1
q
\
Stand To
The Left
Of The Saw
Bbow
On
Under Side Of
Handlohar
Figure4
REDUCE THE CHANCE OF KICKBACK
• Recognize that kickback can happen. With a basic
understandingofIdckback,youcanreducetheelement
of surprisewhichcontributestoaccidents.
• Never lot the moving chain oontectany obJecdat the
tip of the guide bar. Figure 2.
• Keep the worklnS area free from obstructions such
as other trees, branches, rocks,fences, stumps, etc.
Rgura 3. Eliminate or avoida..nyobstructionthat your
chaincouldhitwhileyou arecumngthrougha particular
log orbranch.
• Keep your chain sharp and properly tensioned. A
looseordullchaincan increasethe chance ofkickback
to occur. Followmanufacturer'schain sharpeningand
maintenanceinstructions. Checktensionat regular in-
tervals with the engine stopped,never withthe engine
running. Make sure the bar clamp nuts are securely
tightenedafter tensioningthe chain.
• Begin and continue cutting at full throttle. If the
chain is moving at a slower speed, there is greater
chancefor Idckbackto occur.
Cut one log at s time.
Use extreme caution when re-enlarlng a previous
cut.
• Do not attempt plunge cut=.
• Watch for shlfUng logs orotherforcesthatcouldclose
a cutand pinchor fall intochain.
• Use the Reduced-Kickback Guide Bar end Low
Kickback Chain specifiedforyour saw.
KICKBACK SAFETY FEATURES
& WARNING
THE FOLLOWING FEATURES ARE IN-
CLUDED ON YOUR BAWTO HELP REDUCE
THE HAZARD OF KICKBACK; HOWEVER,
SUCH FEATURES WILL NOT TOTALLY
ELIMINATE THIS DANGEROUS REACTION.
AS A CHAIN SAW USER, DO NOT RELY
ONLY ON SAFETY DEVICES, YOU MUST
FOLLOW ALL SAFETY PRECAUTIONS,
INSTRUCTIONS, AND MAINTENANCE IN
THIS MANUAL TO HELP AVOID KICKBACK
AND OTHER FORCES WHICH CAN RESULT
IN SERIOUS INJURY.
Reduced-Kickback Guide Bar,designedwitha small radius
tipwhichreduces thesize o| the kickbac_ dangerzone on the
guidebartip. Figure5. A Reduced-KiekbackGuide Barisone
whichhasbeen demonstratedtosignificantlyreducethe hum-
ber and seriousnessof kickbackswhen testedinaccordance
withANSI B175.1. 1991
• Low-Kickback Chain, designed with a contoured depth
gauge and guard linkwhich deflect kickbackforceand allow
woodtograduallyddeintothecutter. Figure5. Low-Kicld_ck
Chain ischainwhichhas met kickbackbedormenoa require-
mentsofANSI B175.1-1991 when tasted ona representative
MAINTAIN CONTROL
• Keep a good, firm grip on the saw with both h_a_jd_m
when the engine Is running and don't let go. r'U_n
4. Afirmgripcanneutralizekickbackandhelp yoUm_._
laincontrolotthesaw. Keepthe tingersofyourlen-_'_"
encirclingendyourleftthumbunderthefronthandle_"_
Keepyourrighthandcompletelyaroundtherearha_ 'r
whetheryouare righthandedorlefthanded. Keepyou
loftarm straightwith the elbowlocked.
Position
your left hand on the front handlebar so-:
/1
Is in a straight line with your right hand on fha.r!..ra,
handlewhen making bucking cuts. Figure4. Nev_
reversedgntand lefthandpositionsfor anytype otcue-
• _nd with your weight evenly balanced on both
feel
• Stand slightly to the leftaide ofthe nw tokeep your
body from being in a direct line with the cuu,-u
chain, Figure4.
Do not overreaoh. Youcould be drawn or thrownolt
balanceand lose controlofthe saw.
• Do not cut above shoulder height. It is difficultto
maintaincontrolof saw above shoulder height.
UNDERSTANDING REACTIVE FORCES b
Pinch-Kickback and Pull-in occur when the chain.
suddenly stopped by being pinched caught, orin_
centering a foreign object In the wood. This stOPP__
ofme onain resultsin a reversalofthe chaintome useu
cutwoodandcausesthe sawtomove intheoppositedirecs
tionofthe chainrotation. Eitherreactioncanresultm los
ofcontroland possibleseriousinjury.
• Pinch-Kickback
- occurswhen chain ontop of guide bar is sudden_J
stopped.
- rapidlydt_vessaw straightback towardoperator.
• PulHn
- occurswhen the chainonthebottomoftheguidet_ar
issuddenlystopped,
~ pullsthe saw rapidlyfonvaro.
sampleofchainsaWsbelow3.8_'ubic'inchdisplace_antspa"
siftedinANSIB175.1-1991.
• Handguerd,designedtoreducethechanceofyourle_,h_rd'
contactingthechainifyourhandslipsoffthefronthsno_e_:_'
• Posttlonof front and'rear handlebars,designedwith._.he
tancebetweenhandlesend"in-line"witheachother', de-
spreadend*in-line"positionofthehandsprovidedbYthtnS_O'_
signworktogethertogivebaanceandresistancei_ p°n,."_,.k
lingthepivotofthe sawbacktowardtheoperatorif leer,us--
occurs, chain
* ANSIBI75.1-1991 -SsfetyrequtrernentsforgssolinepoWSrce.d...Stan-
saws as setby the American Nation_dStandards In.lute, In -.
de,rd 5175.1-1991.
Redu¢_l KIckbiCk Sm•ll
Symm_t_d Guide B4_ R•allul T_
Contoured
Def_lc_
And AJtoWl •
into C,_
SYI11*11etti_ _ Chim WI_ High
Figure5
-4-
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