Craftsman 358.351040 Operator's Manual page 4

2.1 cu. in./34cc 2-cycle gasoline chain saw
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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
Figure 4
REDUCE
THE CHANCE
OF KICKBACK
Recognize that kickback can happen. With a basic
understandingof Idckback,you can reducethe element
of surprisewhich contributes to accidents.
Never lot the moving chain oontect any obJecdat the
tip of the guide bar. Figure 2.
Keep the workln S area free from obstructions such
as other trees, branches, rocks, fences, stumps, etc.
Rgura 3. Eliminate or avoid a..ny obstructionthat your
chain couldhitwhile you are cumngthrougha particular
log or branch.
Keep your chain sharp and properly tensioned. A
loose or dull chain can increasethe chance of kickback
to occur. Followmanufacturer's chain sharpening and
maintenance instructions. Check tension at regular in-
tervals with the engine stopped, never with the 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
chance for 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 or otherforcesthat couldclose
a cut and pinch or fall into chain.
Use the Reduced-Kickback Guide Bar end Low
Kickback Chain specified for your 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
tip whichreduces the size o| the kickbac_ danger zone on the
guidebartip. Figure5. A Reduced-KiekbackGuide Baris one
which hasbeen demonstrated tosignificantly reducethe hum-
ber and seriousnessof kickbackswhen tested in accordance
withANSI B175.1.
1991
Low-Kickback
Chain, designed with a contoured depth
gauge and guard linkwhich deflect kickbackforce and allow
wood to graduallydde into the cutter. Figure5. Low-Kicld_ck
Chain is chain which has met kickbackbedormenoa require-
ments of ANSI B175.1-1991 when tasted on a 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. A firmgripcan neutralizekickbackand help yoUm_._
laincontrolot thesaw. Keepthe tingers ofyourlen-_'_"
encirclingend your leftthumbunder the fronthandle_"_
Keep your righthandcompletelyaroundthe rear ha_ 'r
whetheryou are righthanded or left handed. Keep you
loft arm straightwith the elbow locked.
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_
reverse dgnt and left hand positionsfor anytype otcue-
_nd
with your weight evenly balanced on both
feel
Stand slightly to the left aide of the nw to keep your
body from being in a direct line with the cuu,-u
chain, Figure 4.
Do not overreaoh. You could be drawn or thrown olt
balance and lose controlof the saw.
Do not cut above shoulder height.
It is difficultto
maintain controlof 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 stOP P_ _
of me onain resultsin a reversal of the chaintome useu
cutwood and causes the saw tomove inthe oppositedirec s
tionof the chain rotation. Either reaction can result m los
of controland possible serious injury.
Pinch-Kickback
-
occurs when chain on top of guide bar is sudden_J
stopped.
-
rapidlydt_vessaw straightback towardoperator.
PulHn
-
occurswhen the chainon the bottomofthe guide t_ar
is suddenly stopped,
~
pulls the saw rapidlyfonvaro.
sample ofchainsaWsbelow3.8_'ubic'inch displace_ antspa"
siftedin ANSI B175.1-1991.
Handguerd,designedtoreduce thechanceofyourle_,h_rd '
contacting thechainifyourhandslipsoffthefronthsno_e_:_'
Posttlonof front and'rear handlebars,designedwith._.he
tance betweenhandles end "in-line" with eachother', de-
spreadend*in-line" position ofthe handsprovided bYthtnS_O'
_
signworktogetherto givebaanceand resistance i _ p°n,."_,.k
lingthe pivotofthe saw backtoward the operator i f leer, us--
occurs,
chain
*
ANSIBI75.1-1991
-SsfetyrequtrernentsforgssolinepoWSrce.d..
n-
saws as set by the American Nation_dStandards In.lute,
In -.
de, r d 5175.1-1991.
Redu¢_l KIckbiCk
Sm•ll
Symm_t_d
Guide B4_
R•allul T_
Contoured
Def_lc_
And AJtoWl
into C,_
SY I11*11etti_
_
Chim
WI_
High
Figure 5
-4-

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