FormNo.3438-313RevB
Flex-ForcePowerSystem
™
16in
(41cm)60VMAXChainsaw
ModelNo.51850—SerialNo.320000001andUp
ModelNo.51850T—SerialNo.320000001andUp
Registeratwww.Toro.com.
OriginalInstructions(EN)
*3438-313*B
Forassistance,pleasesee
www.Toro.com/support
forinstructionalvideos
orcontact1-888-384-9939
beforereturningthis
product.
WARNING
CALIFORNIA
Proposition65Warning
Thepowercordonthisproductcontains
lead,achemicalknowntotheState
ofCaliforniatocausebirthdefects
orotherreproductiveharm.Wash
handsafterhandling.
Useofthisproductmaycauseexposure
tochemicalsknowntotheStateof
Californiatocausecancer,birthdefects,
orotherreproductiveharm.
Introduction
Thischainsawisdesignedforcuttingtreebranches,
logs,andwoodenbeamsofadiameternolongerthan
thecuttinglengthoftheguidebar.Itistobeusedonly
byadults.Itisdesignedprimarilytouselithium-ion
batterypackModel88625(includedwith51850),
88640,88660,or88675.Usingtheseproductsfor
purposesotherthantheirintendedusecouldprove
dangeroustoyouandbystanders.
Model51850Tdoesnotincludeabatteryora
charger.
Readthisinformationcarefullytolearnhowtooperate
andmaintainyourproductproperlyandtoavoid
injuryandproductdamage.Youareresponsiblefor
operatingtheproductproperlyandsafely.
Visitwww.T oro.comformoreinformation,including
safetytips,trainingmaterials,accessoryinformation,
helpndingadealer,ortoregisteryourproduct.
Wheneveryouneedservice,genuineToroparts,or
additionalinformation,contactanAuthorizedService
DealerorT oroCustomerServiceandhavethemodel
andserialnumbersofyourproductready.Figure1
identiesthelocationofthemodelandserialnumbers
ontheproduct.Writethenumbersinthespace
provided.
Important:Withyourmobiledevice,youcan
scantheQRcode(ifequipped)ontheserial
numberplatetoaccesswarranty,parts,andother
productinformation.
g315697
Figure1
1.Modelandserialnumberlocation.
ModelNo.
SerialNo.
Thismanualidentiespotentialhazardsandhas
safetymessagesidentiedbythesafety-alertsymbol
(Figure2),whichsignalsahazardthatmaycause
seriousinjuryordeathifyoudonotfollowthe
recommendedprecautions.
sa-black
Figure2
Safety-alertsymbol
Thismanualuses2wordstohighlightinformation.
Importantcallsattentiontospecialmechanical
informationandNoteemphasizesgeneralinformation
worthyofspecialattention.
©2020—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420
2
Contactusatwww.Toro.com.
PrintedinChina
AllRightsReserved
Contents
Safety.......................................................................3
PersonalProtectiveEquipment..........................6
SafetyandInstructionalDecals..........................7
Setup........................................................................9
MountingtheBatteryCharger(Optional).............9
FillingtheChainSawwithBarandChain
Oil...................................................................9
ProductOverview.....................................................9
Specications..................................................10
Operation................................................................10
BeforeUsingtheChainSaw.............................10
StartingtheChainSaw......................................11
ShuttingOfftheChainSaw................................11
CuttingwiththeChainSaw...............................12
PruningaTree..................................................13
FellingaTree....................................................13
LimbingaFallenTree.......................................15
BuckingaLog...................................................16
InstallingtheBatteryPack................................17
RemovingtheBatteryPack..............................17
ChargingtheBatteryPack................................18
Maintenance...........................................................19
RecommendedMaintenanceSchedule(s)...........19
CheckingtheOilLevelandAddingBarand
ChainOil.......................................................19
CheckingtheChainBrake................................20
CheckingtheFlowofBarandChain
Oil.................................................................20
AdjustingtheChainT ension.............................21
ServicingtheGuideBar,Chain,andDrive
Sprocket........................................................22
InstallingtheGuideBarandChain....................23
SharpeningtheChain.......................................23
Service.............................................................23
Storage...................................................................24
PreparingtheBatteryPackfor
Recycling......................................................24
Troubleshooting......................................................25
Safety
WARNING
Readallsafetywarningsandallinstructions.
Failuretofollowthewarningsandinstructions
mayresultinelectricshock,reand/orserious
injury.
Saveallwarningsandinstructionsforfuture
reference.
Theterm“powertool”inallthewarningsrefers
toyourmains-operated(corded)powertoolor
battery-operated(cordless)powertool.
IMPORTANTSAFETY
INSTRUCTIONS
I.Workareasafety
1.Keepworkareacleanandwelllit.Cluttered
ordarkareasinviteaccidents.
2.Donotoperatepowertoolsinexplosive
atmospheres,suchasinthepresenceof
ammableliquids,gasses,ordust.Power
toolscreatesparks,whichmayignitethedust
orfumes.
3.Keepchildrenandbystandersawaywhile
operatingapowertool.Distractionscancause
youtolosecontrol.
II.Personalsafety
1.Stayalert,watchwhatyouaredoing,and
usecommonsensewhenoperatingapower
tool.Donotuseapowertoolwhileyouare
tiredorundertheinuenceofdrugs,alcohol,
ormedication.Amomentofinattentionwhile
operatingpowertoolscouldresultinserious
personalinjury.
2.Usepersonalprotectiveequipment.Always
weareyeprotection.Protectiveequipment
suchasadustmask,non-skidsafetyshoes,
hardhat,orhearingprotectionusedfor
appropriateconditionsreducespersonalinjuries.
3.Preventunintentionalstarting.Ensure
theswitchisintheOFF-positionbefore
connectingtopowersourceand/orbattery
pack,pickinguporcarryingthetool.Carrying
powertoolswithyourngerontheswitchor
energizingpowertoolsthathavetheswitchon
invitesaccidents.
4.Removeanyadjustingkeyorwrenchbefore
turningthepowertoolon.Awrenchorakey
leftattachedtoarotatingpartofthepowertool
mayresultinpersonalinjury.
3
5.Donotoverreach.Keepproperfootingand
balanceatalltimes.Thisenablesbettercontrol
ofthepowertoolinunexpectedsituations.
6.Dressproperly.Donotwearlooseclothing
orjewelry.Keepyourhair,clothing,and
glovesawayfrommovingparts.Loose
clothes,jewelry,orlonghaircangetcaughtin
movingparts.
7.Ifdevicesareprovidedfortheconnection
ofdustextractionandcollectionfacilities,
ensurethattheseareconnectedand
properlyused.Useofdustcollectioncan
reducedust-relatedhazards.
III.Powertooluseandcare
1.Donotforcethepowertool.Usethecorrect
powertoolforyourapplication.Thecorrect
powertoolwilldothejobbetterandsaferatthe
rateforwhichitwasdesigned.
2.Donotusethepowertooliftheswitch
doesnotturnitonandoff.Anypowertool
thatcannotbecontrolledwiththeswitchis
dangerousandmustberepaired.
3.Disconnecttheplugfromthepowersource
and/orthebatterypackfromthepowertool
beforemakinganyadjustments,changing
accessories,orstoringpowertools.Such
preventivesafetymeasuresreducetheriskof
startingthepowertoolaccidentally.
4.Storeidlepowertoolsoutofthereachof
children,anddonotallowpersonsunfamiliar
withthepowertoolortheseinstructions
tooperatethepowertool.Powertoolsare
dangerousinthehandsofuntrainedusers.
5.Maintainpowertools.Checkfor
misalignmentorbindingofmovingparts,
breakageofparts,andanyothercondition
thatmayaffectthepowertool’soperation.
Ifdamaged,havethepowertoolrepaired
beforeuse.Manyaccidentsarecausedby
poorlymaintainedpowertools.
6.Keepcuttingtoolssharpandclean.Properly
maintainedcuttingtoolswithsharpcuttingedges
arelesslikelytobindandareeasiertocontrol.
7.Usethepowertool,accessories,andtoolbits
etc.inaccordancewiththeseinstructions,
takingintoaccounttheworkingconditions
andtheworktobeperformed.Useofthe
powertoolforoperationsdifferentfromthose
intendedcouldresultinahazardoussituation.
IV.Batterytooluseandcare
1.Rechargeonlywiththechargerspeciedby
themanufacturer.Achargerthatissuitablefor
onetypeofbatterypackmaycreateariskofre
whenusedwithanotherbatterypack.
2.Usepowertoolsonlywithspecically
designatedbatterypacks.Useofanyother
batterypacksmaycreateariskofinjuryandre.
3.Whenbatterypackisnotinuse,keepitaway
fromothermetalobjects,likepaperclips,
coins,keys,nails,screwsorothersmall
metalobjects,thatcanmakeaconnection
fromoneterminaltoanother.Shortingthe
batteryterminalstogethermaycauseburnsor
are.
4.Underabusiveconditions,liquidmaybe
ejectedfromthebattery;avoidcontact.If
contactaccidentallyoccurs,ushwithwater.
Ifliquidcontactseyes,additionallyseek
medicalhelp.Liquidejectedfromthebattery
maycauseirritationorburns.
5.Donotuseabatterypackortoolthatis
damagedormodied.Damagedormodied
batteriesmayexhibitunpredictablebehaviour
resultinginre,explosionorriskofinjury.
6.Donotexposeabatterypackortooltore
orexcessivetemperature.Exposuretoreor
temperatureabove130°C(265°F)maycause
explosion.
7.Donotexposeabatterypackortooltorain
orwetconditions.Waterenteringapowertool
willincreasetheriskofelectricshock.
8.Followallcharginginstructionsanddo
notchargethebatterypackortooloutside
thetemperaturerangespeciedinthe
instructions.Chargingimproperlyorat
temperaturesoutsidethespeciedrangemay
damagethebatteryandincreasetheriskofre.
V.Service
1.Haveyourpowertoolservicedbya
qualiedrepairpersonusingonlyidentical
replacementparts.Thisensuresthatthesafety
ofthepowertoolismaintained.
2.Neverservicedamagedbatterypacks.
Serviceofbatterypacksshouldonlybe
performedbythemanufacturerorauthorized
serviceproviders.
4
VI.Chainsawsafety
1.Keepallpartsofthebodyawayfromthe
sawchainwhenthechainsawisoperating.
Beforeyoustartthechainsaw,makesure
thesawchainisnotcontactinganything.
Amomentofinattentionwhileoperatingchain
sawsmaycauseentanglementofyourclothing
orbodywiththesawchain.
2.Alwaysholdthechainsawwithyourright
handontherearhandleandyourlefthand
onthefronthandle.Holdingthechainsawwith
areversedhandcongurationincreasestherisk
ofpersonalinjuryandshouldneverbedone.
3.Holdthepowertoolbyinsulatedgripping
surfacesonly,becausethesawchainmay
contacthiddenwiring.Sawchainscontacting
a″live″wiremaymakeexposedmetalpartsof
thepowertool″live″andcouldgivetheoperator
anelectricshock.
4.Wearsafetyglassesandhearingprotection.
Furtherprotectiveequipmentforhead,
hands,legs,andfeetisrecommended.
Adequateprotectiveclothingwillreduce
personalinjurybyyingdebrisoraccidental
contactwiththesawchain.
5.Donotoperateachainsawinatree.
Operationofachainsawwhileupinatreemay
resultinpersonalinjury.
6.Alwayskeepproperfootingandoperate
thechainsawonlywhenstandingonxed,
secureandlevelsurface.Slipperyorunstable
surfacessuchasladdersmaycausealossof
balanceorcontrolofthechainsaw.
7.Whencuttingalimbthatisundertensionbe
alertforspringback.Whenthetensioninthe
woodbresisreleasedthespringloadedlimb
maystriketheoperatorand/orthrowthechain
sawoutofcontrol.
8.Useextremecautionwhencuttingbrushand
saplings.Theslendermaterialmaycatchthe
sawchainandbewhippedtowardyouorpull
youoffbalance.
9.Carrythechainsawbythefronthandlewith
thechainsawswitchedoffandawayfrom
yourbody.Whentransportingorstoringthe
chainsawalwaysttheguidebarcoverand
removethebattery.Properhandlingofthe
chainsawwillreducethelikelihoodofaccidental
contactwiththemovingsawchain.
10.Followinstructionsforlubricating,chain
tensioning,andchangingaccessories.
Improperlytensionedorlubricatedchainmay
eitherbreakorincreasethechanceforkickback.
11.Keephandlesdry,clean,andfreefromoil
andgrease.Greasy,oilyhandlesareslippery
causinglossofcontrol.
12.Cutwoodonly.Donotusechainsawfor
purposesnotintended.Forexample:donot
usechainsawforcuttingplastic,masonry
ornon-woodbuildingmaterials.Useofthe
chainsawforoperationsdifferentthanintended
couldresultinahazardoussituation.
13.Avoidkickback.Kickbackmayoccurwhenthe
noseortipoftheguidebartouchesanobject,or
whenthewoodclosesinandpinchesthesaw
chaininthecut.
Tipcontactinsomecasesmaycauseasudden
reversereaction,kickingtheguidebarupand
backtowardyou.
Pinchingthesawchainalongthetopofthe
guidebarmaypushtheguidebarrapidlyback
towardyou.
Eitherofthesereactionsmaycauseyoutolose
controlofthesaw,whichcouldresultinserious
personalinjury.Donotrelyexclusivelyuponthe
safetydevicesbuiltintoyoursaw.Asachain
sawuser,youshouldtakeseveralstepstokeep
yourcuttingjobsfreefromaccidentorinjury.
Kickbackistheresultoftoolmisuseand/or
incorrectoperatingproceduresorconditionsand
canbeavoidedbytakingproperprecautionsas
givenbelow:
•Maintainarmgrip,withthumbsand
ngersencirclingthechainsawhandles,
withbothhandsonthesawandposition
yourbodyandarmtoallowyoutoresist
kickbackforces.Kickbackforcescan
becontrolledbytheoperator,ifproper
precautionsaretaken.Donotletgoofthe
chainsaw.
•Donotoverreachanddonotcutabove
shoulderheight.Thishelpsprevent
unintendedtipcontactandenablesbetter
controlofthechainsawinunexpected
situations.
•Onlyusereplacementbarsandchains
speciedbythemanufacturer.Incorrect
replacementbarsandchainsmaycause
chainbreakageand/orkickback.
•Followthemanufacturer’ssharpening
andmaintenanceinstructionsforthesaw
chain.Decreasingthedepthgaugeheight
canleadtoincreasedkickback..
SAVETHESE
INSTRUCTIONS
5
PersonalProtective
Equipment
g316566
Figure3
1.Wearahardhatin
situationswheredebris
maycontactthehead.
4.Weargloves
2.Wearhearingprotection5.Wearprotectivepantsor
chaps
3.Wearsafetyglasses
and/orafaceshield
6.Wearsubstantial,
slip-resistantfootwear
6
SafetyandInstructionalDecals
Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyarea
ofpotentialdanger.Replaceanydecalthatisdamagedormissing.
decal140-2162
140-2162
1.ReadtheOperator’sManual.6.Stayawayfrommovingparts.
2.Wearhearingprotection.7.Keepallguardsandshieldsinplace.
3.Weareyeprotection.8.Donotcontactobjectswiththeguidebartip;tipcontactcan
causeseriouspersonalinjury.
4.Donotexposetorain.9.Alwaysuse2handswhenoperatingthechainsaw.
5.Cuttinghazardofhand.
decal140-2163
140-2163
decal140-2167
140-2167
decal140-2166
140-2166
decal137-9454
137-9454
1.ReadtheOperator’s
Manual.
3.Keepawayfromopenre
orames.
2.Call2Recycle
®
battery
recyclingprogram
4.Donotexposetorain.
7
decal137-9462
137-9462
decal137-9463
137-9463
1.Thebatterypackischarging.
2.Thebatterypackisfullycharged.
3.Thebatterypackisoverorundertheappropriatetemperaturerange.
4.Batterypackchargingfault
decal137-9461
137-9461
1.Batterychargestatus
8
Setup
Note:Thebatterypackisnotfullychargedwhenit
ispurchased.Beforeusingthemachinefortherst
time,refertoChargingtheBatteryPack(page18).
MountingtheBattery
Charger(Optional)
Ifdesired,mountthebatterychargersecurelyona
wallusingthewall-mountkeyholesonthebackof
thecharger.
Mountitindoors(suchasagarageorotherdryplace),
nearapoweroutlet,andoutofthereachofchildren.
RefertoFigure1forassistanceinmountingthe
charger.
Slidethechargerovertheappropriatelypositioned
hardwaretosecurethechargerinplace(hardware
notincluded).
g290534
Figure4
FillingtheChainSawwith
BarandChainOil
Important:Useonlybarandchainoil(sold
separately).
Fillthechainsawwithbarandchainoil;referto
CheckingtheOilLevelandAddingBarandChain
Oil(page19).
ProductOverview
g315699
Figure5
Leftsideshown
1.Chain
6.Batterypack
2.Guidebar
7.Buttonlatch
3.Oilwindow
8.Triggerlock
4.Oilcap
9.Trigger
5.Fronthandle10.Buckingteeth
g315700
Figure6
Rightsideshown
1.Chainbrake4.Multitool(locatedbeneath
rearhandle)
2.Sidecover5.Chaintensioningscrew
3.Captivecovernut6.Guidebarcover
g292995
Figure7
1.Batterycharger(included
withModel51850)
2.Batterypackmodel88625
(includedwithModel
51850)
9
Specications
Model
51850/51850T
BarLength(with88613and
88614equipped)
40.6cm(16inches)
ChainGauge(with88613
and88614equipped)
0.043inches
ChainPitch(with88613and
88614equipped)
3/8inch
ChainLength(with88613
and88614equipped)
56links
RatedVoltage
60VDCmaximum,54VDC
nominalusage
Weight(withoutabattery)4.35kg(9.59lb)
ChargerType
88602
BatteryType88625,88640,88660,or
88675
AppropriateTemperatureRanges
Charge/storethebatterypack
at
5°C(41°F)to40°C(104°F)*
Usethebatterypackat
-30°C(-22°F)to49°C(120°F)*
Usethetoolat
0°C(32°F)to49°C(120°F)*
*Chargingtimewillincreaseifyoudonotchargethe
batterywithinthisrange.
Storethetool,batterypack,andbatterychargerinan
enclosedclean,dryarea.
Operation
BeforeUsingtheChainSaw
Beforeusingthechainsaw,dothefollowing:
•Checkthechaintension;refertoAdjustingthe
ChainT ension(page21).
•Cleanthechainsawcomponents,inspectthemfor
excessivewearordamage,andreplacethemas
needed;refertoServicingtheGuideBar,Chain,
andDriveSprocket(page22).
•Checkthechainforsharpnessanddamage,and
sharpenorreplaceasneeded;refertoSharpening
theChain(page23).
•Checktheoillevel;refertoCheckingtheOilLevel
andAddingBarandChainOil(page19).
•Checkthechainbrake;refertoCheckingthe
ChainBrake(page20).
•Checkthechainsawfordamage,general
appearance,andperformance;ensurethatthe
switchesmovefreely,theventsandhandlesare
clean,andthebarisnotbentordamaged.
10
StartingtheChainSaw
1.Ensurethattheventsonthechainsawarefree
fromdustanddebris(Figure8).
g315701
Figure8
1.Sidevent
2.Bottomvent
2.Setthechainsawdownonalevelsurface.
3.Alignthetongueofthebatterypackwiththe
batterycavityinthechainsaw(Figure9).
g315702
Figure9
4.Pushthebatterypackintothebatterycavityuntil
thebatterypacklocksintoplace.
5.Removetheprotectivecoverfromthechain.
6.EnsurethatthechainbrakeisintheOPERATING
position(Figure10).
g315703
Figure10
1.Chainbrake(OPERATING
position)
2.Chainbrake(STOP
position)
7.Withyourlefthandonthefronthandleandyour
righthandontherearhandle,pressthetrigger
lock,thensqueezethetrigger(Figure11).
g315704
Figure11
1.Fronthandle4.Trigger
2.Chainbrake
5.Rearhandle
3.Triggerlock
ShuttingOfftheChainSaw
Toshutoffthechainsaw,releasethetrigger.
Wheneveryouarenotusingthesaworare
transportingthesawtoorfromtheworkarea,move
thechainbraketotheSTOPposition(Figure10)and
removethebatterypack.
11
CuttingwiththeChainSaw
WARNING
Operatingachainsawimproperlycancause
seriouspersonalinjuryordeath.
Readandfollowalloperatinginstructions
carefullytoavoidpossiblepersonalinjury.
WARNING
Kickbackcancauseseriousorfatalinjuryto
you.
Alwaysensurethatthechainbrakesystem
isworkingproperlybeforeyouoperatethe
chainsaw.
Avoidtouchingobjectstobecutwiththe
noseofthechainsawguidebar.
Thereare2typesofkickback:
•Afastupwardmotionofthechainsawthatresults
whenthechainatthenoseortopofthebar
contactsanobject
•Afastbackwardmotionofthechainsawthat
resultswhenthechainatthenoseortopofthebar
ispinchedbytheobjectbeingcut
Figure12showstheareaofthebartoavoid
contactinganobjecttopreventkickback.
g318677
Figure12
1.Kickbackarea(nose,top
ofthebar)
2.Nose
1.Gripthechainsawwith2hands,withyourleft
handonthefronthandleandyourrighthandon
therearhandleasshowninFigure13.
Important:Keepyourleftarmstraightwith
yourelbowlockedtohelpreducekickback.
g025213
Figure13
2.Standonsolid,evengroundinfrontofthewood
tobecut.
3.Standtotheleftsideofthechainsaw,notin
linewiththechain,andpositionyourselffor
balanced,stablefootingwhilecutting.
Important:Donotstandonthewoodthat
youarecutting.
4.Ensurethatyouonlycutthewoodthatyou
intendtocut;donotallowthesawchainto
contacttheearth,otherlogs,oranyother
objectswhencutting.
5.Ensurethatthesawchainisrotatingatfull
speedbeforestartingacut.
6.Cutwiththewoodneartherearoftheguidebar,
closetothebuckingteeth;pressthechainsaw
lightlyagainstthewoodandallowtheweightof
thechainsawtodrivethecutting.
Note:Youcanusethebuckingteeth(Figure
14)toapplylightpressure.
g315747
Figure14
1.Buckingteeth
7.Keepsteadypressureonthechainsaw,cutting
inastraightline,andreleasepressureonlynear
theendofthecut.
12
PruningaTree
WARNING
Cuttinghigherlimbsfromatreeofftheground
canputyouinanunstablepositionthatcould
beunsafeforyouwhilehandlingachainsaw,
resultinginpossibleseriouspersonalinjury
ordeathtoyouorbystanders.
Whencuttinglimbsfromastandingtree,use
thefollowingpractices:
•Donotclimbonlimbsorbrancheswitha
chainsaw.
•Donotoverreach,andcutwithbothhands
onthechainsaw.
•Ensurethatallbystandersareawayfrom
theareawherebranchesmayfall.
1.GripthechainsawasshowninFigure13.
2.Whilecuttingsmallbranches,applylight
pressuretothebranchtobecut.
3.Whilecuttinglargerbranches,makeashallow
undercutandthencompletethecutfromthe
topsideofthebranch.
A.Cutfromtheundersideofthelimbabout15
cm(6inches)fromthetrunk.Cutathirdof
thewaythroughthelimb.
B.Cut5.0to10.0cm(2to4inches)farther
outonthelimbandfromabove.Cutthe
limbuntilitfalls.
C.Cutthelimbstubatthebranchcollar
(Figure15).
Important:Donotcutthelimbpastthe
collar,ushtothetrunk,orleavealarge
limbstub;thisdamagesthetree.
g316577
Figure15
1.Firstreliefundercut
3.Finalpruningcutto
removethelimbstub
2.Secondthroughcut4.Branchcollar(wherethe
trunktransitionstothe
limb)
FellingaTree
WARNING
Cuttingstandingtreesrequiresexpertiseand
poseshazards.
•Beforeattemptingtocutabigtree,practice
cuttingafewbranches,limbs,orsmalllogs
tofamiliarizeyourselfwiththechainsaw.
•Donotusethischainsawtofelllargetrees
withadiameterlargerthanthelengthof
theguidebar.
DANGER
Looseortangledlimbsaboveyoumaybe
dislodgedbyvibrationfromcutting,causing
severeinjuryordeath.
Alwayslookoverheadforlooseandtangled
limbsbeforecutting;ifyouseeanyloose
limbsorbranches,removethembefore
cutting.
Theproperoperatorstanceforfellingatreeisshown
inFigure16.
13
g195831
Figure16
1.Determinethedirectionthatthetreewillfall.
Takethefollowingvariablesintoconsideration:
•Winddirection
•Heavierlimbson1sideofthetree
•Naturaltiltofthetree(ifany)
2.Determineaclear,saferetreatpathawayfrom
thedangerarea;refertoFigure17.
g024800
Figure17
1.Retreatpath(ata45°
angleoppositefromthe
planneddirectionoffall)
3.Dangerarea
2.Planneddirectionoffall
3.Gripthechainsawasshownin(Figure13).
4.Maketherstcutathirdofthewaythroughthe
treediameteronthesidewhereyouwantthe
treetofall(Figure18).
Note:Makingthiscutpreventsthechainsaw
frombeingpinchedwhilemakingthenextcut.
g228707
Figure18
1.Firstcut3.Hinge
2.Secondcut
4.Backcut
5.Makeasecondcuttoformanotch,startingthe
cutatleast5cm(2inches)aboveandaway
fromtherstcut(Figure18).
Important:Ensurethattherstcutandthe
secondcutmeetatthesamepoint,forming
acleannotch.
6.Makethebackcutfromtheoppositesideofthe
notchandabout5cm(2inches)higherthanthe
bottomofthenotchasshowninFigure18.
Important:Stopthethirdcut2.5to5.0cm
(1to2inches)fromthenotchtoformahinge
betweenthecuts(Figure18),whichkeeps
thetreefromfallinginthewrongdirection
ortwistingasitfalls.
Note:Asthebackcutnearsthehinge(Figure
18),thetreeshouldbegintofall.
7.Whenthetreebeginstofall,removethechain
saw,shutitoff,putitdown,andretreatalongthe
pathyoudeterminedinstep2.
Important:Ifthetreebeginstofallinan
undesireddirection,immediatelystopthe
cut,shutoffthechainsaw,putthechainsaw
down,anduseanon-metallicwedgetoopen
thebackcutandpushthetreeinthedesired
direction.
14
LimbingaFallenTree
1.GripthechainsawasshowninFigure13.
2.Movingfromthebaseofthetreeup,cutoffthesmallerlimbsfromthetreethatarenotsupportingits
weightofftheground(Figure19).
3.Cutthelargerlimbsthatsupporttheweightofthetreefromthebottomupwardsothatthelimbsdo
notpinchthesawblade(Figure20).
g316601
Figure19
g315751
Figure20
15
BuckingaLog
Whenbuckingalog,notewherethelogissupported
andwherethereisaloadonthelog.Cutthelogso
thatwhentheendsfall,yourguidebarwillnotbe
pinchedbetweenthem.
Important:Ifthechainsawbindsinthecut,do
notattempttofreeitbyrunningthemotor.Shut
offthesaw,thenuseawedgetopryopenthecut
andreleasethesaw.
Ifyouarecuttingbranchesfromafallentreeorcutting
alogintolengths,supportthelogofftheground
(preferablyonasawbuck).
•Ifthelogissupportedonbothends,butnotinthe
middle,theloadisonthecenterofthelog.
–Startfromthetopandcutaboutathirdofthe
waythroughthelog(Figure21A).
–Makeasecondcutfromtheundersidetomeet
therstcut(Figure21B).Thiskeepsthelog
frompinchingthesaw.
g315765
Figure21
•Ifthelogissupportedonasingleend,theloadis
onthefreeendofthelog.
–Startfromtheundersideandcutaboutathird
ofthewaythroughthelog.
–Makeasecondcutfromthetoptomeettherst
cut.Thiskeepsthelogfrompinchingthesaw.
•Ifthelogissupportedoffthegroundalongitsentire
length,withoutaheavyloadonthelogatany
point,cutallthewaythroughthelogfromthetop.
•Ifthelogisonahill,alwaysstandontheuphill
sideofthelog(Figure22).
g315767
Figure22
1.Directionofslope
•Ifthewholelengthofthelogissupportedonat,
levelground,cutathirdofthediameterfromthe
top,thenrollthelogoverandmakeanothercutto
meettherstcut(Figure23).
g315766
Figure23
16
InstallingtheBatteryPack
1.Setthechainsawdownonalevelsurface.
2.Alignthetongueofthebatterypackwiththe
batterycavityinthechainsaw(Figure24).
g315702
Figure24
3.Pushthebatterypackintothebatterycavityuntil
thebatterypacklocksintoplace.
RemovingtheBatteryPack
1.Placethechainsawonaatsurface.
2.Pressdownonthelatchandremovethebattery
packfromthecavity.
g315763
Figure25
1.Latch
17
ChargingtheBatteryPack
Important:Thebatterypackisnotfullycharged
whenyoupurchaseit.Beforeusingthetoolfor
thersttime,placethebatterypackinthecharger
andchargeituntiltheLEDdisplayindicatesthe
batterypackisfullycharged.Readallsafety
precautions.
Important:Chargethebatterypackonlyin
temperaturesthatarewithintheappropriate
range;refertoSpecications(page10).
Note:Atanytime,pressthebattery-charge-indicator
buttononthebatterypacktodisplaythecurrent
charge(LEDindicators).
1.Makesurethattheventsonthebatteryand
chargerareclearofanydustanddebris.
g290533
Figure26
1.Batterypackcavity
5.LEDindicators(current
charge)
2.Batterypackventingareas6.Handle
3.Batterypackterminals
7.ChargerLEDindicator
light
4.Battery-charge-indicator
button
8.Chargerventingareas
2.Lineupthecavityinthebatterypack(Figure26)
withthetongueonthecharger.
3.Makesurethattheventsonthebatterycharger
areclearofanydustanddebris.
4.Slidethebatterypackintothechargeruntilitis
fullyseated(Figure26).
5.Toremovethebatterypack,slidethebattery
backwardoutofthecharger.
6.RefertothefollowingtabletointerprettheLED
indicatorlightonthebatterycharger.
Indicator
light
Indicates
Off
Nobatterypackinserted
Green
blinking
Batterypackischarging
Green
Batterypackischarged
Red
Batterypackand/orbatterychargerisoverorunder
theappropriatetemperaturerange
Red
blinking
Batterypackchargingfault*
*RefertoTroubleshooting(page25)formore
information.
18
Maintenance
RecommendedMaintenanceSchedule(s)
MaintenanceService
Interval
MaintenanceProcedure
Beforeeachuseordaily
•Checktheoillevelandaddbarandchainoilifnecessary.
•Checkthechainbrake.
•Checkthatoilisowingtothechain.
•Checkthechaintensionandadjustitifnecessary.
•Ensurethatthebarisstraightandundamaged
•Checkthechainforsharpness;contactanAuthorizedServiceDealertohavethe
chainsharpenedorreplaced.
Aftereachbatterydrain
cycle
•Checktheoillevelandaddbarandchainoilifnecessary.
•Checkthechainbrake.
•Checkthechaintensionandadjustitifnecessary.
Yearlyorbeforestorage
•Servicetheguidebar,chain,anddrivesprocket.
•Checkthechainforsharpness;contactanAuthorizedServiceDealertohavethe
chainsharpenedorreplaced.
CheckingtheOilLeveland
AddingBarandChainOil
ServiceInterval:Beforeeachuseordaily
Aftereachbatterydraincycle
Important:Useonlybarandchainoil(sold
separately).
1.Shutoffthechainsawandremovethebattery
pack;refertoRemovingtheBatteryPack(page
17).
2.Checktheoillevelinthewindow.Iftheoildoes
notllthewindow,addbarandchainoilas
needed(Figure27).
g315841
Figure27
1.Oilwindow2.Oilcap
3.Placethechainsawonaatsurfacewiththe
oilcapfacingup.
4.Cleantheareaaroundtheoilcap(Figure27).
Note:Ensurethatyoudonotallowdebris/wood
chipstoentertheoiltank.
5.Unfoldthewing-nuttabontheoilcaptab,
removethecap,andpourbarandchainoilinto
thechainsawuntiltheoilllsthetank(Figure
27).
Important:Donotllthechainsawhigher
thanthebottomofthellneck.
6.Cleanupanyspilledoil,securetheoilcap,and
foldthewing-nuttabdown.
7.Ensurethatoilisowingtothechain;referto
CheckingtheFlowofBarandChainOil(page
20).
19
CheckingtheChainBrake
ServiceInterval:Beforeeachuseordaily
Aftereachbatterydraincycle
1.Placethechainsawonaatsurfaceand
removethebatterypack;refertoRemovingthe
BatteryPack(page17).
2.Engagethechainbrakebymovingthechain
brakeforwardtotheSTOPposition(Figure28).
g315840
Figure28
1.Chainbrake(OPERATING
position)
2.Chainbrake(STOP
position)
3.Gripthechainwithaglovedhandandattempt
topullitaroundtheguidebar;thechainshould
notmovearoundtheguidebar.Ifitdoes,take
thechainsawtoanAuthorizedServiceDealer
forrepair.
4.Disengagethechainbrakebymovingthe
chainbrakerearwardtotheOPERATINGposition
(Figure28).
5.Gripthechainwithaglovedhandandattempt
topullitaroundtheguidebar;thechainshould
movearoundtheguidebar.Ifitdoesnot,take
thechainsawtoanAuthorizedServiceDealer
forrepair.
CheckingtheFlowofBar
andChainOil
ServiceInterval:Beforeeachuseordaily
1.Preparetousethechainsaw;refertoBefore
UsingtheChainSaw(page10).
2.Toensurethatoilisowingtothechain,point
thenoseofthechainsawafewinchesfroma
surface(e.g.paper,cardboard,astump)and
runthechainsaw;youshouldbeabletoseea
lightsprayofoilonthesurface(Figure29).
g317663
Figure29
1.Runthechainsawafew
inchesfromasurface.
2.Iftheoilisowing,itwill
sprayoffthechainand
accumulate.
3.Ifoilisnotowing,ensurethatthereisoilinthe
tankandthattheareaunderthesidecoveris
clean;refertoCheckingtheOilLevelandAdding
BarandChainOil(page19)andServicingthe
GuideBar,Chain,andDriveSprocket(page22).
20
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