Toro 51850 Operator's Manual

FormNo.3438-313RevC

Flex-ForcePowerSystem
(41cm)60VMAXChainsaw

ModelNo.51850—SerialNo.320000001andUp
ModelNo.51850T—SerialNo.320000001andUp

™

16in

Registeratwww.T oro.com.
OriginalInstructions(EN)

*3438-313*

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.

DealerorToroCustomerServiceandhavethemodel
andserialnumbersofyourproductready.Figure1
identiesthelocationofthemodelandserialnumbers
ontheproduct.Writethenumbersinthespace
provided.

Introduction

Thischainsawisdesignedforcuttingtreebranches,
logs,andwoodenbeamsofadiameternolongerthan
thecuttinglengthoftheguidebar.Itistobeused
onlybyadults.ItisdesignedtouseT oroFlex-Force
lithium-ionbatterypackModels88625(includedwith

51850),88620,88640,88650,88660,or88675.
Thesebatterypacksaredesignedtobecharged
onlybybatterychargerModels88602(provided
withModel51850),88605,or88610.Usingthese
productsforpurposesotherthantheirintendeduse
couldprovedangeroustoyouandbystanders.Using
theseproductsforpurposesotherthantheirintended
usecouldprovedangeroustoyouandbystanders.

Model51850Tdoesnotincludeabatteryora
charger.

Readthisinformationcarefullytolearnhowtooperate
andmaintainyourproductproperlyandtoavoid
injuryandproductdamage.Youareresponsiblefor
operatingtheproductproperlyandsafely .

Visitwww.Toro.comformoreinformation,including
safetytips,trainingmaterials,accessoryinformation,
helpndingadealer,ortoregisteryourproduct.

Wheneveryouneedservice,genuineToroparts,or
additionalinformation,contactanAuthorizedService

©2021—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420

Contactusatwww.Toro.com.

2

PrintedinChina

AllRightsReserved

Important:Withyourmobiledevice,youcan

scantheQRcode(ifequipped)ontheserial
numberplatetoaccesswarranty ,parts,andother
productinformation.

Figure1

1.Modelandserialnumberlocation.

ModelNo.

SerialNo.

Thismanualidentiespotentialhazardsandhas
safetymessagesidentiedbythesafety-alertsymbol
(Figure2),whichsignalsahazardthatmaycause
seriousinjuryordeathifyoudonotfollowthe
recommendedprecautions.

Figure2

Safety-alertsymbol

Contents

Safety.......................................................................4

PersonalProtectiveEquipment..........................6

SafetyandInstructionalDecals..........................7

Setup........................................................................9

MountingtheBatteryCharger(Optional).............9

FillingtheChainSawwithBarandChain

Oil...................................................................9

ProductOverview.....................................................9

Specications..................................................10

Attachments/Accessories.................................10

Operation................................................................10

BeforeUsingtheChainSaw.............................10

StartingtheChainSaw......................................11

ShuttingOfftheChainSaw................................11

CuttingwiththeChainSaw...............................12

PruningaTree..................................................13

g315697

sa-black

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

Thismanualuses2wordstohighlightinformation.
Importantcallsattentiontospecialmechanical
informationandNoteemphasizesgeneralinformation
worthyofspecialattention.

3

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
tiredorundertheinuenceofdrugs,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

powertoolswithyourngerontheswitchor
energizingpowertoolsthathavetheswitchon
invitesaccidents.

4.Removeanyadjustingkeyorwrenchbefore
turningthepowertoolon.Awrenchorakey

leftattachedtoarotatingpartofthepowertool
mayresultinpersonalinjury.

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.

4

IV.Batterytooluseandcare

VI.Chainsawsafety

1.Rechargeonlywiththechargerspeciedby
themanufacturer.Achargerthatissuitablefor

onetypeofbatterypackmaycreateariskofre
whenusedwithanotherbatterypack.

2.Usepowertoolsonlywithspecically
designatedbatterypacks.Useofanyother

batterypacksmaycreateariskofinjuryandre.

3.Whenbatterypackisnotinuse,keepitaway
fromothermetalobjects,likepaperclips,
coins,keys,nails,screwsorothersmall
metalobjects,thatcanmakeaconnection
fromoneterminaltoanother.Shortingthe

batteryterminalstogethermaycauseburnsor
are.

4.Underabusiveconditions,liquidmaybe
ejectedfromthebattery;avoidcontact.If
contactaccidentallyoccurs,ushwithwater.
Ifliquidcontactseyes,additionallyseek
medicalhelp.Liquidejectedfromthebattery

maycauseirritationorburns.

5.Donotuseabatterypackortoolthatis
damagedormodied.Damagedormodied

batteriesmayexhibitunpredictablebehaviour
resultinginre,explosionorriskofinjury .

6.Donotexposeabatterypackortooltore
orexcessivetemperature.Exposuretoreor

temperatureabove130°C(265°F)maycause
explosion.

7.Donotexposeabatterypackortooltorain
orwetconditions.Waterenteringapowertool

willincreasetheriskofelectricshock.

8.Followallcharginginstructionsanddo
notchargethebatterypackortooloutside
thetemperaturerangespeciedinthe
instructions.Chargingimproperlyorat

temperaturesoutsidethespeciedrangemay
damagethebatteryandincreasetheriskofre.

V.Service

1.Haveyourpowertoolservicedbya
qualiedrepairpersonusingonlyidentical
replacementparts.Thisensuresthatthesafety

ofthepowertoolismaintained.

2.Neverservicedamagedbatterypacks.

Serviceofbatterypacksshouldonlybe
performedbythemanufacturerorauthorized
serviceproviders.

1.Keepallpartsofthebodyawayfromthe
sawchainwhenthechainsawisoperating.
Beforeyoustartthechainsaw,makesure
thesawchainisnotcontactinganything.

Amomentofinattentionwhileoperatingchain
sawsmaycauseentanglementofyourclothing
orbodywiththesawchain.

2.Alwaysholdthechainsawwithyourright
handontherearhandleandyourlefthand
onthefronthandle.Holdingthechainsawwith

areversedhandcongurationincreasestherisk
ofpersonalinjuryandshouldneverbedone.

3.Holdthepowertoolbyinsulatedgripping
surfacesonly,becausethesawchainmay
contacthiddenwiring.Sawchainscontacting

a″live″wiremaymakeexposedmetalpartsof
thepowertool″live″andcouldgivetheoperator
anelectricshock.

4.Wearsafetyglassesandhearingprotection.
Furtherprotectiveequipmentforhead,
hands,legs,andfeetisrecommended.

Adequateprotectiveclothingwillreduce
personalinjurybyyingdebrisoraccidental
contactwiththesawchain.

5.Donotoperateachainsawinatree.

Operationofachainsawwhileupinatreemay
resultinpersonalinjury.

6.Alwayskeepproperfootingandoperate
thechainsawonlywhenstandingonxed,
secureandlevelsurface.Slipperyorunstable

surfacessuchasladdersmaycausealossof
balanceorcontrolofthechainsaw.

7.Whencuttingalimbthatisundertensionbe
alertforspringback.Whenthetensioninthe

woodbresisreleasedthespringloadedlimb
maystriketheoperatorand/orthrowthechain
sawoutofcontrol.

8.Useextremecautionwhencuttingbrushand
saplings.Theslendermaterialmaycatchthe

sawchainandbewhippedtowardyouorpull
youoffbalance.

9.Carrythechainsawbythefronthandlewith
thechainsawswitchedoffandawayfrom
yourbody.Whentransportingorstoringthe
chainsawalwaysttheguidebarcoverand
removethebattery.Properhandlingofthe

chainsawwillreducethelikelihoodofaccidental
contactwiththemovingsawchain.

10.Followinstructionsforlubricating,chain
tensioning,andchangingaccessories.

Improperlytensionedorlubricatedchainmay
eitherbreakorincreasethechanceforkickback.

5

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.

PersonalProtective
Equipment

Kickbackistheresultoftoolmisuseand/or
incorrectoperatingproceduresorconditionsand
canbeavoidedbytakingproperprecautionsas
givenbelow:

•Maintainarmgrip,withthumbsand

ngersencirclingthechainsawhandles,
withbothhandsonthesawandposition
yourbodyandarmtoallowyoutoresist
kickbackforces.Kickbackforcescan

becontrolledbytheoperator,ifproper
precautionsaretaken.Donotletgoofthe
chainsaw.

•Donotoverreachanddonotcutabove

shoulderheight.Thishelpsprevent
unintendedtipcontactandenablesbetter
controlofthechainsawinunexpected
situations.

•Onlyusereplacementbarsandchains

speciedbythemanufacturer.Incorrect
replacementbarsandchainsmaycause
chainbreakageand/orkickback.

•Followthemanufacturer’ssharpening

andmaintenanceinstructionsforthesaw
chain.Decreasingthedepthgaugeheight

canleadtoincreasedkickback..

Figure3

1.Wearahardhatin
situationswheredebris
maycontactthehead.

2.Wearhearingprotection5.Wearprotectivepantsor

3.Wearsafetyglasses
and/orafaceshield

4.Weargloves

chaps

6.Wearsubstantial,
slip-resistantfootwear

g316566

SAVETHESE
INSTRUCTIONS

6

SafetyandInstructionalDecals

Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyarea
ofpotentialdanger.Replaceanydecalthatisdamagedormissing.

140-2162

1.ReadtheOperator’sManual.6.Stayawayfrommovingparts.

2.Wearhearingprotection.7.Keepallguardsandshieldsinplace.

3.Weareyeprotection.8.Donotcontactobjectswiththeguidebartip;tipcontactcan
causeseriouspersonalinjury.

4.Donotexposetorain.9.Alwaysuse2handswhenoperatingthechainsaw.

5.Cuttinghazardofhand.

decal140-2162

decal140-2163

140-2163

decal140-2167

140-2167

decal137-9454

137-9454

1.ReadtheOperator’s
Manual.

2.Call2Recycle

®

battery

recyclingprogram

decal140-2166

3.Keepawayfromopenre
orames.

4.Donotexposetorain.

140-2166

7

1.Thebatterypackischarging.

2.Thebatterypackisfullycharged.

3.Thebatterypackisoverorundertheappropriatetemperaturerange.

4.Batterypackchargingfault

decal137-9461

137-9461

decal137-9462

137-9462

decal137-9463

137-9463

1.Batterychargestatus

8

Setup

Important:Thebatterypackisnotfullycharged

whenitispurchased.Beforeusingthemachine
forthersttime,refertoChargingtheBattery

Pack(page18).

MountingtheBattery
Charger(Optional)

Ifdesired,mountthebatterychargersecurelyona
wallusingthewall-mountkeyholesonthebackof
thecharger.

ProductOverview

g315699

Figure5

Leftsideshown

Mountitindoors(suchasagarageorotherdryplace),
nearapoweroutlet,andoutofthereachofchildren.

RefertoFigure1forassistanceinmountingthe
charger.

Slidethechargerovertheappropriatelypositioned
hardwaretosecurethechargerinplace(hardware
notincluded).

Figure4

FillingtheChainSawwith
BarandChainOil

Important:Useonlybarandchainoil(sold

separately).

1.Chain

2.Guidebar

3.Oilwindow

4.Oilcap

5.Fronthandle10.Buckingteeth

g290534

Rightsideshown

1.Chainbrake4.Multitool(locatedbeneath

2.Sidecover5.Chaintensioningscrew

3.Captivecovernut6.Guidebarcover

6.Batterypack

7.Buttonlatch

8.Triggerlock

9.Trigger

g315700

Figure6

rearhandle)

Fillthechainsawwithbarandchainoil;referto

CheckingtheOilLevelandAddingBarandChain
Oil(page19).

1.BatterychargerModel

9

88620(includedwith
Model51850)

g355813

Figure7

2.BatterypackModel88625
(includedwithModel

51850)