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SAFETY RULES
"'2";
Ha ! Under Side Of
_ Handlebar
| Elbow
_Locked "'_
lstand
t OfThe Saw
Figure4
REDUCE THE CHANCE OF KICKBACK
• Recognize that kickback can happen. With a basic
understandingof kicl_ack,you canreducethe elementof
surprisewhichcontributesto accidents.
* Never letthe moving chaincontact any object at the tip
of the guide bar.Figure2.
. Keep the working area free from obstructions suchas
othertrees, branches,rocks,fences,stumps,etc.Figure3.
Eliminateor avoidanyobstructionthatyourchaincouldhit
while you arecuttingthrougha particularlogor branch.
, Keep your chain sharpand properlytenaioned.A loose
or dullchaincan increasethe chanceofkickbackto occur.
Followmanufacturer'schainsharpeningand maintenance
instructions.Check tensionat regular intervals with the
engine stopped,neverwiththeengine running.Makesure
the bar clamp nutsare securelytightenedafter tensioning
the chain.
• Begin and continuecutting at fullthrottle. Ifthe chainis
moving at a slowerspeed,there isgreaterchance forkick-
back to occur.
• Cut one log at atime.
• Use extreme caution when re-entering a previous cut.
• Do not attempt plunge cuts.
• Watch for shifting logsor otherforcesthat couldclosea
cutand pinchorfall intochain.
° Use the Reduced-Kickback Guide Bar and Low-
Kickback Chain speckedforyoursaw.
KICKBACK SAFETY FEATURES
_ WARNING:
THE FOLLOWING FEATURES ARE INCLUDED
ON YOUR SAW TO HELP REDUCE THE HAZ-
ARD OF KICKBACK; HOWEVER, SUCH FEA-
TURES 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 MAIN-
TENANCE IN THIS MANUAL TO HELP AVOID
KICKBACK ANDOTHER FORCESWHICH CAN
RESULT IN SERIOUS INJURY.
Reduced-Kickback Guide Bar, designed with a sma
radius tip,whichreduces the size of the kickback danger
zone on me guioe par tip. Figure 5,A Reduced-Kickback
Guide Bar is one whichhasbeen demonstrated to signif-
icantly reduce the number and seriousness of kickbacks
MAINTAIN CONTROL
• Keep a good, firm grip on the saw with both hands
when the engine is running and don't let go. Figure4.
A firm grip can neutralize kickbackand help you maintain
controlof the saw.Keep the fingersof your left hand encir-
cling and your left thumb under the front handlebar.Keep
your righthand completely around the rear handlewhether
you are right handed or left handed. Keep your left arm
straightwiththe elbow locked,
• Positionyour left hand on the front handlebar so it is
in a sl_aightline with your right hand on the rear harp
die when making bucking cuts. Figure4.Never reverse
right andlefthand positionsforany type ofcutting.
• Stand with your weight evenly balanced on both feel
• Stand slightly to the left side of the saw to keep your
bodyfrom being in a direct line with the cutting chain.
Figure4.
• Do not overreach. You couldbe drawnor thrownoffbal-
anceand losecontrol ofthe saw.
• Do not cut above shoulder heighL It isdifficult to main-
taincontrol ofsaw above shoulderheight.
UNDERSTANDING REACTWE FORCES
Pinch-Kickback and Puff-Inoccur when thechain issud-
denly stopped by being pinched, caught, or by contact-
inga foreignobject in the wood.This stoppingofthe chain
resultsina reversal of the chain forceusedto cutwoodand
causesthesawto movein theoppositedirectionofthechain
rotation.Eitherreactioncan resultinlossofcontrol and pos-
sibleseriousinjury.
• Pinch-Kickback
-occurs when chain on top of guide bar is suddenly
stopped.
- rapidlyd/_vessaw straightback towardoperator.
• PulHn
- occurswhen the chain on the bottomofthe guidebar is
suddenlystopped.
- pulisthesaw rapidlyforward.
inchdisplacement specified in ANSI B175.1-1991.
Handguard, designed to reducethe chance of yourleft
handcontactiQgthe.chain if your hand slipsoff the front
handlebar,
Position of front and rear handlebars, designed with
distancebetween handles and =in-line" witheach other.
The spreadand =in-line" positionofthe handsprovidedby
thisdesignwork together to givebalance and resistance
in centmlling the pivot ofthe saw back towardthe opera-
tor ifkickbackoccurs.
ANS! B175.1-1991 - Safety requirements forgasotine powered chain
saws as set by the ._nedcan NaSor_l Standards Institute, inc.,
StandardB175.1-1991.
2 ._ Dep_ Gauge Ek:ng_
ReducedlGdd_ck Rad{usT_) Lo_-KL_Ee_ _ To Gra_lualty Ride
_nf_tettP..af G_i_} Bar Chain l_to C_ter
when tested in accordance with ANSI B175.t-1991.
Low-Kickback Chain, designed with a contoured depth
gauge and guard link which deflect kickback force and
allow woodto gradually ride into the cutter. Figure 5. Low-
Kickback Chain is chain which has met kickback perfor-
mance requirements of ANSI B175.1-1991 when tested
on a representative sample of chain saws below 3.8 cubic
-4-
{
Sym_etricat Large
Guide Bat Rad;u$ T'=p
Male_l
C_ain With H_gh
Kick_¢_ Poter_ia_
Figure 5