Craftsman 358351162 Owner’s Manual

Operator's Manual
CRgFTSMIIN°
2.4 cu. in./40cc 2-Cycle
GASOLINE CHAIN SAW
Model No.
358.351162 - 16 In. Bar
@
_b wARNING:
9
For answers to your questions about this product:
Call 7 am-7 pro, Mon.-Sat., or 10 am-7 pm, Sun.
1-800-235-5878 _.ou_,,=odo_ooon__0_
Sears, Roebuck and Co., Hoffman Estates, IL 60179 USA
530087297 01115/98
increasethechanceofkickback,Fol, lowmanufacturer'schainsharpening
and maintenanceinstructions,Check tensionat regularintervals, butnever
withenginerunning,Make surebar
clampnutsare secure/ytightened.
Beginandcontinuecutting]atfull
speed.If the chainismovingat a slowerspeed, thereis greaterchance
ofkickbackoccurring,
Useextremecautionwhen reentering a cut.
Donotattempt cutsstartingwiththe tipofthebar°(plungecuts).
Watchfor shiftinglogsorotherforces thatcouldclose acutand pinchorfall
intochain,
Usethe specifiedReduced-Kickback GuideBarandLow-KickbackChain.
Avoid Pinch-Kickback:
Beextremelyawareofsituationsor obstructionsthatcan causematedal
topinchthetop of or otherwisestop thechain.
- Do notcutmorethan one log ata
time,
Do nottwistsawas bariswithdrawn
from an undercutwhenbucking.
Avoid Pull-In:
atfullspeedand the saw housing
i lwaysbegincuttingwiththeengine
againstwood. . , . Usewedgesmaae orplasticorwooa, Neverusemetalto holdthe cutopen.
_MAINTAIN CONTRQL
Standtothe left of thesaw
keepy,ourbodyfrombeingin a direct
linewiththecuttingcnain_
Standwithyourweightevenlyhal.....
anced onbothfeet;
Donotoverreach.Youcouldbedrawn orthrownoffbalanceandlosecontrol.
Donotcutaboveshoulderheight,lt_
difficultto maintaincontrolof saw aboveshoulderheight.
KICKBACK SAFETY FEATURES i
WARNING: The followingfeaturesarel includedonyoursawto help reduce
hazardofkickback; however,suchfea- tureswillnottotallyeliminatethisdan'
get,Do notrelyonlyonsafetydevices.
Handguard:designedto reducethe chanceofyourlefthandcontacting thechainifyourhandslipsoffthe
fronthandlebar. ---
Positionoffront and rearhandlebars: designedwithdistance betweenhan-
dlesand"in-line" witheachother,The spreadand =in-line"positionofthe
handsprovidedbythis designwork togetherto givebalanceand resis-
tancein controliingthepivotofthe
sawbacktowardtheoperatorifkick- backoccurs.
Reduced-KickbackGuideBar:de- signedwitha smallradiustipwhich
reducesthesizeofthe kickbackdan- gerzone.Thistypebar hasbeen'
demonstratedto significantlyreduce
thenumberand seriousnessofkick-
backswhentestedinaccordancewith
ANSIB175.1,
Thumbon '__
o_ _underside
Elbow locked
LargeRadius[
TipGuideBar
Low-KickbackChain:hasmet kickback
performancerequirementswhentested
Tip Guide Bar
S,.a" adius
Neverreversehandpositions ona representativesampleof ct_n
Agood,firmgriponthesawwithboth sawsbelow3,8 cubicinch handswillhelpyou maintain control, displacementspecifiedinANSI B175.1.
Don3let go. Grtpthe rearhandlewith Low-KickbackChain yourrighthand,whetheryou areright , ContouredDepthGauge
orlefthanded.Wrap the fingersof __ _.,,,/ ElongatedGuardLink
yourleft handoverand aroundthe _=zz;Z_'_.=----- DeflectsKickback
front handlebar,and yourleftthumb '_ _ ForceAndAllows
' underthe fronthandlebar.Keepyour _ "_,_ WoodToGradually
leftarm straightwiththeelbowlocked, _ RideintoCutter
Positionyourlefthandonthe front SAFETY NOTICE: Exposuret_)
handlebarso it is ina straight linewith vibrationsthroughprolongeduseof yourrighthand on therearhandle gasolinepoweredhandtoolsCould
whenmaking buckingcuts.Stand cause bloodvesselor nervedamagein slightlytotheleftside ofthe sawto thefingers,hands,andjointsofpeople
4
pronetocirculationdisordersor abnormalswelling.Prolongedusein
coldweatherhasbeenlinkedtoblood vesseldamageinotherwisehealthy people.Ifsymptomsoccursuchas
numbness,pare,lossofstrength,
change_inskincolorortexture,orloss
offeeling inthe fingers, hands,orjcints, discontinuethe use ofthistooland seekmedicalattention.An
anti-vibrationsystemdoesnot
guaranteetheavoidanceofthese problems.Userswho:operatepower
toolsona continualand regularbasis mustcloselymonitortheirphysical
conditionandthe conditionofthistool. CHAIN BRAKEIfthissawis to be used
for commerciallogging,youmustorder andinstalla chainbraketo complywith
FederalOSHA Regulationsfor Com- mercialLogging.ContactyourSears
Service Centerorcall 1-800-235-5878.
SPARKARRESTOR:Yoursawis equippedwitha temperaturelimiting
muffler andsparkarrestingscreen
whichmeetstherequirementsof CaliforniaCodes4442and 4443. All U.S.forest landand thestates of
California,Idaho,Maine,Minnesota, NewJersey,Oregon,and Washington
requirebylawthatmany internal combustionenginesbeequippedwitha
sparkarrestorscreen.Ifyouoperatea chainsawina stateorlocalewhere
suchregulationsexist,youare legally responsiblefor maintainingthe
operatingconditionoftheseparts. Failuretodoso is a violationofthelaw.
RefertoCustomerResponsibilities
chartinthe MAINTENANCEsection. STANDARDS:ThisChainsaWis=listed
byUnderwritersLaboratodes,=lnc.in accordancewithAmericanNational
StandardsforGasoline-PoweredChain SawsSafetyRequirements(ANSI
B175.1-1991),
CARTON CONTENTS
Checkcartoncontentsagainstthefol- lowinglist.
Model: 358.351162
ChainSaw (fullyassembled)
Chainadjustmenttool
2-cycleengineoil....(Baroilnot
included)
- Examinepartsfor damage.Do not
usedamagedparts.
, Ifyouneedassistanceorfindthat
partsaremissingordamaged,please call1-800-235-5878.
NOTE: Itisnormalto hearthe fuel filter rattleinan emptyfuel tank.
Yourunithasbeenfactorytestedand thecarburetorpreciselyadjusted.Asa
resultyoumaysmellgasolineorfind a dropofoil/fuelresidueonthe muffler whenyouunpackthe unit.
ASSEMBLY Yoursawisfully assembled,andno
assemblyis necessary.
5
KNOW YOUR SAW
READTHIS OPERATOR'SMANUALANDSAFETY RULESBEFORE OPERAT_ ING YOUR CHAINSAW. Comparetheillustrationswithyourunittofamiliarize
yourseffwiththelocationofthe vadouscontrolsandadjustments.Save this manualforfuture reference.
ChainAdjust- FrontHandle
meritTool HandGuard €,
StarterRope
ON/STOP
Chain
"_ Primer
+
Bulb
CRRI MRN"
\
BarOilFillCap Housing
CylinderCover
Throtl]e
RearLockout,_
Handle
Fuel Mix Fill Cap
£RFIFlrSNAr Chain
Direction
ofTravel
Throttle Choke Trigger Knob BarClamp Chain BarClampNuts GuideBar
Catcher
THROI"rLELOCKOUT CHAINTENSION Thethrottle lockoutmust be pressed ttisnormalfora newchaintostretch
beforeyoucansqueezethethrottle trig- duringfirst30 minutesofoperation.You ger.Thisfeaturepreventsyoufrom ac- shouldcheckyourchaintensionfre+
cidentallysqueezingthetrigger, quently.See ChainTensionunderthe CHOKE/FASTIDLE LEVER ServiceandAdjustmentssection.
The choke andfastidlespeedareset bypullingthechokeleveroutfully for
coldorforrefueledstarting.The choke
providesadditionalfuel whenstartinga
coldengine.
6
BEFORE STARTING ENGINE
WARNING: Be sureto readthefuel handlinginformationinthe safetyrules
sectionofthismanualbeforeyoubegin. Ifyoudo notunderstandthefuelhan-
dling information do notattemptto fuel yourunit.Seek helpfromsomeonethat
does understandtheinformationor call the customerassistancehemplineat
1-800-235-5878.
GUIDE BARAND CHAINOIL The chainoilerprovidescontinuouslu-
bricationtothechainandguidebar.Be suretofillthe baroiltankwhenyoufill
thefuel tank(Capacity= 6.8 fL oz.)
Formaximum guidebarandchainlife,
we recommendyou useCraftsman chainsaw baroiJ.tfCraftsmanbaroilis
notavailable,youmayusea good
gradeSAE 30 oiluntilyouare ableto obtainCraftsmanbrand.Theoiloutput
isautomaticallymetered duringopera, tion.Yoursawwilluse approximately one tankofbaroilfor everytankoffuel
mix.Alwaysfillthebaroiltankwhen youfillthefuel tank.
FUELING ENGINE
Thisengineiscertifiedtooperateon unleadedgasoline.Beforeoperation,
gasolinemustbemixedwitha good quality2-cycleair*cooledengineoil.We
recommendCraftsmanbrandoil.Mix gasolineandoilat a ratibof40:1 (A
40:1 ratioisobtainedbymixing3.2
ouncesofoilwith1 gallonof unleaded gasoline).DONOTUSEautomotiveoil
or boatoil.Theseoilswillcauseengine damage.When mixingfuel followthe
instructionsprintedonthecontainer. Onceoilisaddedtothegasoline,
shakecontainermomentarilyto assure
thatthefuel isthoroughlymixed. Alwaysreadandfollow thesafetyrules
relatingtofuel beforefueling yourunit.
IMPORTANT
Experienceindicatesthatalcohol
blendedfuels(calledgasoholor using ethanolor methanol)canattractmois-
turewhichleadstoseparationand formation ofacidsduringstorage.Acid-
icgas can damagethefuel systemof
an enginewhileinstorage. Toavoid engineproblems,thefuel sys-
temshouldbeemptiedbeforestorage for30 daysorlonger.Drainthegas
tank,startthe engineandletit rununtil thefuel linesandcarburetorareempty.
Usefreshfuel nextseason.See STOR- AGEinstructionsforadditionalinforma-
tion.
Neveruseengineorcarburetorcleaner productsinthefueltankorpermanent
damagemayoccur. See the STORAGEsectionforadditional
information. STOPPING YOUR ENGINE
, MoveOn/Stopswitchtothe STOP
position.
Ifenginedoesnotstop,pullchoke
knoboutfully.
STARTING YOUR ENGINE
COLD ENGINEOR WARMENGINE
AFTER RUNNINGOUTOFFUEL
Fuelenginefollowinginstructionsun-
der FUELINGENGINE.
Fillbaroiltankwithbaroil.Yoursaw
willuseapproximatelyonetankofbar oilfor eachtankof fuel mix.
MoveOn/Stopswitchto ONposition.
Pullchokeknoboutfully.
° Primeenginebyslowlypressingprim-
er bulbsixtimes.
ON/STOP
Switch
PrimerBulb
Set sawontheground.Gripfront
handlewithyourlefthandandplace rightfoot throughrearhandle.
Chokeknob
NOTE: Whenpullingthestarterrope, donotusethefullextentofthe rope.
Do notletstarterropesnapback. Holdhandle.Letroperewindslowly.
. Sharplypullstarterropehandle5
timeswithyourrighthand.The en- ginemaysoundas ifit ist_ng to
startbeforethe5thpull;ifso, proceed tothenextstep.
7
Fully push-in choke lever and contin-
ue to pullstarter rope handle until en- ginestarts.
Then, squeeze and release the thrott/etrigger to return engine to idle speed.
Tostop engine, move On/Stop switch
tothe 8TOP position.
LeftHand onFront Handle
StarterRopeHandle
FootThroughRearHandle
STARTINGA WARMENGINE
DONOTusethe choketo starta warm
engineorfloodingand hardstarting mayoccur.
MoveOn/Stopswitchto ON. : Slowlypressprimerbulb6 times.
Setthechainsawon the ground.Grip thefront handlewithyourlefthand andplaceyourrightfootthroughthe
openinginthe rearhandle.
Pullchokeleveroutfully, thenpushit
infullytoset engineinfastidleposi-
tON. ="
Sharplypullstarterropehandlewith
yourright handuntiltheenginestarts, butnomorethan5 times.
Then,squeezeand releasethe throttletriggertoreturnenginetoidle
speed.
Tostopengine,moveOn/Stopswitch tothe STOPposition.
DIFFICULT STARTING OR STARTING A FLOODED ENGINE
The enginemaybefloodedifit hasnot
startedafter10pulls.Floodedengines canbe clearedofexcessfuel withthe
followingprocedure:
Pullchokeleveroutfully,then pushit infullytoset enginein fast idleposi-
ton.
VerifythattheOn/Stopswitchisinthe
ON position.
Withsawonground,gripfront handle withlefthandandplacerightfoot
throughrearhandle.
Gripstarterropehandleand pul!rope firmlyandquicklytostartengine.If
notsuccessful,repeatu.ntilengine starts.
Startingcouldrequire manypullsde-
pendingonhowbadlyunitisflooded. If
enginestillfailstostart,refertoTROU-
BLESHOOTINGchartorcall 1-800-235-5878.
OPERATING TIPS
Checkchaintensionbeforefirstuse andafter t minuteofoperation.See
ChainTensionJntheMaintenance
section.
Cutwoodonty.DOnotcutmetal,plas-
tics,masonry,non-woodbuildingma-: terials,etc.
Stopthesawifthechainstrikesa for-
eignobject.Inspectthe saw andre- pairpartsas necessary.
° Keepthechainoutof dirtand sand.
Evena smallamountofdirtwillquick- lydulla chainand increase thepossi- bilftyof kickback.
Practicecuttingafew smalllogsusing thefollowingsteps.This willhelpyou
getthe=feel"of usingyoursawbefore youbegina majorsawingoperation.
Squeezethethrottletriggerandal-
lowtheengineto reachfullspeed
beforecutting. : .
Begincuttingwiththesaw frame
againstthelog.
Keeptheengineat full speedthe
entiretimeyouarecutting.
Allowthe chaintocutfor you.Exert
onlylightdownwardpressure.
Releasethethrottletriggeras soon
as thecutiscompleted,allowingthe
engineto idle.Ifyourunthesawat .....
full throttlewithoutacuttingload, unnecessarywearcan occur.
.. Toavoidlosingcontrolwhencutis
complete,donotputpressureon sawat endofcut.
Stoptheenginebeforesettingthe sawdown.
TREE FELLING TECHNIQUES WARNING: _Checkfor broken0r:dead
brancheswhichcanfall whileCutting_ causingseriousinjury.Do hotcutnear
buildingsore!ectricalwiresifyoudo not
knowthe directibnoftree fal!_qorcut at nightsinceyouwillnotbe ab!eto see
well,nor duringbadweathersuchas
rain,snow,or strongwinds,etc.
Carefullyplanyoursawingoperationin advance.Clearthe workarea.You
needa clearareaall aroundthe treeso youcanhavesecurefooting. Studythe
naturalconditionsthatcancausethe
treetofall ina particulardirection,such
conditions include:
The winddirectionandspeed.
The leanofthe tree.The leanofa
treemightnotbe apparentdueto un- evenor slopingterrain.Usea plumb
or levelto determinethedirectionof treelean.
Weightandbranchesononeside.
Surroundingtreesandobstacles.
Lookfor decay androt.If thetrunkis rotted,itcan snapandfall towardthe
operator. Makesurethereisenoughroomfor the
treetofall.Maintaina distanceof 2-1t2 treelengthsfrom thenearestpersonor otherobjects.Enginenoisecan drown
outa warningcall. Removedirt,stones,loosebark,nails,
staples,andwirefrom thetreewhere cutsare to be made.
Thishingewillhelppreventthetree from fallinginthewrongdirection.
Rnalcuthere
Notch_ ',_'_!i_ ......
Sec,ond _
Hingeholdstreeonstumpandhelps controlfail
Opening
offetling
Closingof
notch
Planaclearretreatpath
.... (_--_- DirectionofFall
FELLING LARGE TREES
(6 inchesindiameterorlarger) The notchmethodisusedto fell large
trees.Anotchiscutonthe sideof the treein the desireddirectionoffall. After a felling cutismadeontheopposite
sideoftree, thetreeshouldfall inthe directionofthenotch.
NOTE: Ifthetreehaslargebuttress roots,removethembeforemakingthe
notch. NOTCHCUT AND FELLINGTREE
Makenotchcutbycuttingthetopof
thenotchfirst.Cutthrough1/3ofthe
diameterofthetree.Nextcomplete thenotchbycuttingthe bottom.See illustration.Oncethenotchiscutre-
movethe wedgeof Woodfrom the tree.
Afterremovingthe wood,makethe
fellingcutontheoppositesideofthe notch.Thisisdonebymakinga cut
abouttwoincheshigherthanthecen-
ter ofthe notch.Thiswillleave
enoughuncutwoodbetweenthe fell- ingcutandthenotchtoform a hinge.
NOTE: Beforefelling cutiscomplete,
usewedgestoopenthe cutwhen necessaryto controlthe directionoffall. Toavoidkickbackandchaindamage, usewood orplasticwedges,butnever
steelor ironwedges.
Bealertof signsthat thetreeisready
tofall: crackingsounds,wideningof thefelling cut,or movementintheup-
perbranches.
As treestartstofall, stopsaw,putit down,andget awayquicklyonyour
plannedretreatpath.
Beextremelycautiouswithpartially fallentreesthatmaybe poodysup- ported.Whena treedoesn'tfallcom- pletely,set thesawasideandpull downthe treewitha cablewinch,
blockandtackle,ortractor.Donot useyoursawto cutdownapartially
fallen tree.
CUTTING A FALLEN TREE
(BUCKING] Buckingisthetermusedforcuttinga
fallentreetothedesiredlogsize.
WARNING: Do notstandonthe log beingouLAnyportioncanrollcausing
lossoffootingandcontrol.Donotstand
downhillofthelogbeingcut.
IMPORTANTPOINTS
Cutonlyone logat a time.
Cutshatteredwoodverycarefully;, sharppiecesofwoodcouldbeflung
towardoperator.
9
* Usea sawhorsetocut smalllogs.
Neverallowanotherpersontohold thelogwhilecuttingandneverhold thelogwithyourlegorfoot.
oDonotcutinan area wherelogs,
limbs,and rootsare tangled.Dragthe logsintoa clearareabeforecutting Firstcutonpressuresideoflog
them, BUCKINGWITHOUT A SUPPORT
BUCKING TECHNIQUES
WARNING: If saw becomes pinched or hung in a log, don't try to force it out.
You can lose control of the saw result- ing in injury and/or damage to the saw. Stop the saw, drive a wedge of plastic
or wood intothe out untilthe saw can be removed easily. Restart the saw and
carefully reenter the cut. Do not use a metal wedge. Do not attempt to restart
your saw when it is pinched or hung in a log.
Use a wedgeto removepinchedsaw
Turnsaw OFFand usea plasticorwooden
wedgetoforcecut open,
Overcutthrough1/3ofthe diameterof
thelog.
Rollthelog overandfinishwitha sec-
ondovemut.
Watchfor logswitha pressureside. See illustrationabovefor cuttinglogs
witha pressureside.
Usingalog 2nd "
for support Cut
Ovemuttingbeginsonthe topside of
thelog withthe bottomof the saw againstthelog.Whenovercuttinguse
light downwardpressure.
BUCKINGUSINGA LOG OR SUPPORTSTAND
Orang UndercutUng
Rememberyourfirstcutisalwayson thepressuresideofthelog.
(Refertotheillustrationbelowfor'your
first andsecondcut)
Yourfirstcutshouldextendt/3ofthe
diameterofthelog.
Undercuttinginvolvescuttingonthe
undersideofthe log withtopofsaw
Finishwithyoursecondcut.. ....
againstthelog.Whenundercuttinguse light upwardpressure.Holdsawfirmly
and maintaincontrol.The sawwilltend
topushbacktowardyou.
WARNING: Neverturnsawupside
downtoundercuLThe sawcannotbe controlledinthisposition.
Alwaysmakeyourfirst outonthepres- suresideofthelog.
Firstcutonpressuresideoflog
%
t0
LIMBING AND PRUNING
WARNING: Never climbintoatree to
limborprune.Do notstandon ladders,
platforms,a log,or inanyposition whichcancauseyouto loseyourbal-
anceorcontrolof the saw. IMPORTANTPOINTS
Watchoutfor springpoles.
Springpolesare smallsizelimbs
whichcanwhiptowardyou,orpull youoffbalance. Useextremecaution
whencuttingsmallsizelimbs.
Be alertfor spdngbecl_Watchoutfor
branchesthatarebentorunderpres- sure.Avoidbeingstruckbythe
branchor thesawwhenthetensionin ° Finishthe pruningoperationbyusing thewoodfibersisreleased, an overcutsothatthe stumpofthe
Frequentlyclearbranchesoutofthe
waytoavoid'trippingonthem.
LIMBING
Limba treeonlyafterit is cutdown.
•"Leavethelargerlimbsunderneaththe
felledtreetosupportthe tree asyou
work.
° Startat the baseof thefelledtree and
worktowardthetop,cuttingbranches and limbs,Removesmalllimbswith
onecut.
Keepthetreebetweenyouandthe chain.
° Removelarger,supportingbranches
withthe1/3,2/3 cuttingtechniquesde- scribedinthebuckingsection.
Alwaysusean overcuttocutsmall andfreelyhanginglimbs.Undercut-
tingcouldcauselimbstofalland pinchthesaw.
PRUNING WARNING: Limitpruningtolimbs
shoulderheightorbelow.Do notcutif
branchesarehigherthanyourshoul- der.Get aprofessionaltodo thejob.
Makeyourfirstcut1/3oftheway throughthebottomofthe limb.
Nextmakea secondcutall the way
through the limb.
limbprotrudes1to2 inchesfrom the trunkofthetree.
_ Firstcut
/\
fromtrunkof'tree
CUSTOMER RESPONSIBILITIES
Fillindatesas youcomplete Before After EveryEven Yea_' S.e_ce regularservice Use Use 5 hrs.25 hrs.. _ ... Dates
Check,!ordar.age ornpartsv' . _........
Checkfor loosefasteners/parts _ ................... = .
Checkchaintension _.. ..... ..................
! Checkcha!nsharpness p-
Checkguidebar _.
Cleanunit&labels ................... i ,P" I.........
Cleanairfilter _'
.........Clean!inspectsparkarrestor
screen&inspectmuffler _' ............
Replacesparkplug P"
11
GENERALRECOMMENDATIONS Thewarrantyonthisunitdoesnotcov-
eritemsthathavebeensubjectedto
operatorabuseornegligence,Tore, ceivefull valuefrom thewarranty,the
operatormust maintainunitas instruct- edinthismanual Variousadjustments
willneedtobemadeperiodicallyto
properlymaintainyourunit.
Oncea year,replacethesparkplug, airfilter element,andcheckguidebar andchainforwear.A newsparkplug
andair filter elementassuresproper
air-fuelmixtureandhelpsyourengine
runbetterandlastlonger.
WARNING: Disconnectthe sparkplug beforeperformingmaintenanceexcept
forcarburetoradjustments. LUBRICATION
tl _
t Bar 2 BarOil
Sprocket FillCap _ | Lube ,_ _ !
HandleScrews
VibrationMounts
StarterHousing
Handguard
CHECK CHAIN TENSION
Usethescrewdriverendof the chain
BarClamp Adjusting Adjustment
Loosenbar clampnutsuntiltheyare
Turnadjustingscrewclockwiseuntil
Rollchainaround guide barto ensure
adjustmenttooltomovechainaround
guidebarto ensurekinksdonotexist, The chainshouldrotatefreely.
Guide
Bar
Chain
Nuts Screw Tool
fingertightagainstthebarclamp. chainbarelytouchesthebottomof
guide bar,
all links arein bargroove.
1 Sprocketlube
2 Craftsmanchainsawbar oil
CHECK FOR DAMAGED OR WORN PARTS
Replacementofdamaged/wornparts
shouldbereferredto ydiJrSears Ser- viceCenter.
NOTE: it is normalfor a smallamount ofoiltoappearunderthesawafteren-
ginestops.Donotconfusethiswitha leakingoiltank. ° On/StopSwitch- EnsureOn/Stop
switchfunctionsproperlyby moving theswitchtothe"Stop position,
Make sureenginestops;thenrestart
engineandcontinue.
FuelTank- Discontinueuseof chain
sawiffueltankshowssignsofdam- ageorleaks.
OilTank- Discontinueuseof chain
saw if oiltankshowssignsofdamage orleaks.
CHECK FOR LOOSE
FASTENERS AND PARTS
BarClampNuts
Chain
Muffler
CylinderShield
AirFiller
ClutchDrum/Sprocket
Adjusting
=Screw
BarClampNuts GuideBar
Lift uptipofguidebar to checkfor sag. Releasetip ofguidebar,then
turnadjustingscrew1/4turnclock- wise.Repeatthisstep untilsagdoes
not exist.
Whilelifting tipofguidebar,tighten barclampnutswiththe_haJnadjust-
menttool.Torqueto 10-15ft-lbs.
AdjustingScrew
Bar "_4_
Clamp I/4Turn Nuts
t
Usethescrewdriverendof the chain adjustmenttoolto movechain around
theguidebar.
Ifchaindoesnot rotate,itistootight. Slightlyloosenbar clampnutsand
turnadjustingscrew1/4turncounter, clockwise.Retightenbarclampnuts.
Ifchainistooloose,itwiltsag below
theguidebar.DONOT operatethe saw ifthechainisloose.
CHECK CHAIN SHARPNESS Asharpchainmakeswoodchips.A
dultchainmakesa sawdustpowder andcutsslowly.
CHAIN SHARPENING
Chainsharpeningrequiresspecial
tools.Youcanpurchasesharpening= toolsatSearsor gotoa professional
chainsharpener.
CHECK GUIDE BAR Conditionswhichrequireguidebar
maintenance:
Sawcutsto onesideorat anangle.
Sawhastobeforced throughthecut.
inadequatesupplyofoil tothebar
andchain.
Checktheconditionoftheguidebar eachtimethechainissharpened.A
wornguidebarwilldamagethechain andmakecuttingdifficult.Tomaintain
guidebar:.
- MoveOn/Stopswitchto"Stop.
Removebarandchainfrom saw.
Cleanallsawdustand any other
debrisfrom theguidebargrooveand sprocketholeaftereachuse.
RemoveSawdustFromGuide
BarGrcx__e
T_ FileEdgesand
WornGroove CorrectGroove
Replacetheguidebarwhenthe groove is worn,theguidebarisbentor
cracked,orwhenexcessheatingor burringoftherailsoccurs.If replace*
ment isnecessary,useonlythe guide bar specifiedforyoursawin therepair
partslist,alsospecifiedonthereplace- mentbarandchaindecallocatedon
thechainsaw. CLEAN UNIT & LABELS
Cleantheunitusinga dampclothwith a milddetergent.
Wipeofftheunitwithacleandry cloth.
CLEAN AIR RLTER
A dirtyair filterdecreasesthelifeand performanceoftheengineandin- creasesfuel consumptionand harmful emissions.Alwayscleanyourairfilter after 15tanksoffuel or5 hoursofop eration,whichevercomesfirst. Clean
morefrequentlyindustyconditions,itis advisabletoreplaceyourairfilter witha
newone afterevery50 hoursofopera-
tion,orannually,whichevercomesfirst. Tocleanfilter:.
Loosen3 screwsoncylindercover.
Removecylindercover.
Removeairfilter.
Cleantheairfilterusinghotsoapy water.Rinsewithcleancoolwater.
Air drycompletelybeforereinstalling.
Lightlyoilair filterbeforeinstalling.
Use2-cycleengineoilormotoroil
(SAE30). Squeezeexcessoilfrom filter.Thiswillimprovetheefficiencyof theair filter.
Reinstallairfilter.
Reinstallcylindercoverand 3 screws
(15-20 in.lbs°).
sidesSquare _L_I|
Add lubricanttosprocketholeafter
eachuse.
Burringofguidebar railsis a normal processofrailwear.Removethese
burrswitha fiatfile.
Whenrailtopisuneven,usea flatfile
to restoresquareedgesandsides.
13
Screws
Cylinder
Cover
INSPECTMUFFLERANDSPARK ARRESTORSCREEN Astheunitisused,carbondeposits
builduponthe mufflerand spark arrestorscreen,andmustberemoved toavoidcreatinga firehazardoraffect- ing engineperformance.
Replacethesparkarrestorscreenif breaksoccur.
MufflerDiffuser
Spark
Arrestor
Screen
Muffler Cover
Screws
Replaceanybrokenorcrackedmuf- tierparts.
Reinstalldiffuserandsparkarrestor
screenassemblywithholesfacing up
andtowardsmufflercover.
Reinstallmufflercoverand 2 screws (7-8ft-ibs.).
REPLACE SPARK PLUG Thesparkplugshouldbereplaced
eachyear toensuretheenginestarts easierandrunsbetter.Ignitiontimingis
fixedand nonadjustable.
Loosenthe3 screwsonthe cylinder
cover.
Removethecylindercover.
; Pulloffthe sparkplugboot.
Removesparkplugfrom cylinderand discard.
Body Muffler
Cover
CLEANING THE SPARK
ARRESTOR SCREEN
Cleaningisrequiredevery25 hoursof
operationorannually,whichevercomes first.
ReplacewithChampionCJ7Yspark plugandtightenwitha 3/4 inchsocket wrench(10-12ft-lbs). Sparkpluggap
shouldbe,025in.
Reinstallthe sparkplugboot.
Reinstallthecylindercoverand3 screws(15-20in-lbs).
Loosenandremovethe2 mufflercoy- Screws
er screws.
Removethe mufflercover(cover snapsoffmufflerbody). Plug
Removemufflerdiffuserandspark Boot arrestorscreenassembly.Noticethe orientationof thesepartsforreassem-
bling.
° Cleanthesparkarrestorscreenwitha Spark
wirebrush, Replacescreenif breaks Plug arefound.
. . . , , !
Cylinder
Cover
CHAIN REPLACEMENT CAUTION: Wearprotectivegloves
whenhandlingchain.The chainis sharpandcan cutyoueven whenitis notmoving.
Itis normalfora newchainto stretch
duringthefirst30 minutesofoperation.
You shouldrecheckyourchaintension
frequently andadjustthechaintension
as required.SeeChainTensionsec- tion.
MoveOn/Stop:switchto the Stop
position.
Replacetheoldchainwhenit be-
comeswornordamaged.
UseonlytheLow-Kickbackreplace- mentchainspecifiedintherepair
partslist.The correctreplacementbar
and chainisalsospecifiedona decal locatedonthechainsaw.
See yourSearsServiceCenterto re- placeandsharpenindividualcutters onyourchain.
i,
Removebarclamp nuts. ° Removebar clamp.
Removetheoldchain.
Bar Clamp
\
I
Bar
CiarnpNuts
, Turnadjustingscrewbyhandcoun-
terclockwiseuntiladjustingpinjust touchesthestop.
Slideguidebarbehindclutchdrum untilguidebarstopsagainstclutch
drumsprocket.
Carefullyremovenewchainfrom
package.Holdchainwiththedrive linksas shown.
Cuffers Dep_ Gauge
D_ve Unks
Race chainoverandbehind the
clutch.
Fitchaindrivelinksintobargroove.
Fit bottomofddvelinksbetweenteeth insprocketnose.
Pullguidebarforward untilchainis snugIn guidebargroove.
Now,installbarclampmakingsure theadjustingpinispositionedinthe lowerholeintheguidebar.
/
/
Adjusting
Pin
Lower
Hole Guid_
Bar
, Installbarclampnutsandfingertight-
enonly.Do nottightenany furtherat
thispoint
CHAIN ADJUSTMENT See =ChainTension"inMaintenance
section. CLEAN FUEL FILTER
Tocleanfuelfilter,drainyourunitby
runningdryoffuel,removefuelcap/re- tainerassemblyfromtank.Pullfilter
fromtankandremovefromline.Clean withmild detergentand rinse.Drythor- oughly,reassemble.
CARBURETOR ADJUSTMENT WARNING: The chainwillbemoving
dudngmostof thisprocedure.Wear yourprotectiveequipmentandobserve
allsafetyprecautions.Duringthelow speedmixture adjustmentrecheckidle
speedaftereachturnofthescrew.The chainmust notmoveat idlespeed.
Carburetoradjustmentiscriticalandif doneimproperly=can permanentlydam-
agetheengineas wellasthecarbure- tor.if yourequirefurtherassistanceor are unsureaboutperformingthisproce- dure,callourcustomerassistancehelp lineat 1-800-235-5878.
Oldfuel,a dirtyairfilter,dirtyfuelfilter,
orfloodingmaygivetheimpressionof an improperly adjustedcarburetor.
Checktheseconditionsbeforeadjust- ingthecarburetor.
The carburetorhasbeencarefullysetat
thefactory.Adjustmentsmaybeneces*
saryifyou noticeanyof thefollowing conditions:
Chainmovesat idle.See =idleSpeed"
underadjustingprocedure.
° Saw willnotidle.See "IdleSpeed"
and_LowSpeed Mixture'underad-
justingprocedure.
° Enginediesor hesitateswhenit
shouldaccelerate.See "Acceleration Check"underadjustingprocedure.
° Lossofcuttingpower.See=High
SpeedMixtureH"underadjusting procedure.
There arethree adjustmentscrewson
thecarburetor._TheyarelabeledH,_L,
15
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