FormNo.3377-778RevB
48VChainSaw
ModelNo.51888—SerialNo.314000001andUp
ModelNo.51889—SerialNo.314000001andUp
ModelNo.51889T—SerialNo.314000001andUp
Operator'sManual
Ifyouhavequestionsorproblems,contactusatwww.Toro.comor
calltollfree1-800-237-2654(US)or1-800-248-3258(Canada)before
returningthisproduct.
WARNING
CALIFORNIA
Proposition65Warning
Thisproductcontainsachemicalorchemicals
knowntotheStateofCaliforniatocausecancer,
birthdefects,orreproductiveharm.
GeneralSafetyRules
Model51889Tdoesnotincludeabatteryoracharger.
WARNING:Whenusingelectricpowertools,basicsafety
precautionsshouldalwaysbefollowedtoreducetheriskofre,
electricshock,andpersonalinjury,includingthefollowing:
Readallinstructions.
Theterm“powertool”inallofthewarningsreferstoyour
mains-operated(corded)powertoolorbattery-operated(cordless)
powertool.
1.Workareasafety
A.Keepworkareacleanandwelllit.Clutteredordark
areasinviteaccidents
B.Donotoperatepowertoolsinexplosive
atmospheres,suchasinthepresenceofammable
liquids,gasesordust.Powertoolscreatesparks
whichmayignitethedustorfumes.
C.Keepchildrenandbystandersawaywhileoperating
apowertool.Distractionscancauseyoutolose
control.
2.Electricalsafety
A.Powertoolplugsmustmatchtheoutlet.Never
modifythepluginanyway .Donotuseany
adapterplugswithearthed(grounded)powertools.
Unmodiedplugsandmatchingoutletswillreducerisk
ofelectricshock.
B.Avoidbodycontactwithearthedorgrounded
surfacessuchaspipes,radiators,rangesand
refrigerators.Thereisanincreasedriskofelectric
shockifyourbodyisearthedorgrounded.
C.Donotexposepowertoolstorainorwetconditions.
Waterenteringapowertoolwillincreasetheriskof
electricshock.
D.Donotabusethecord.Neverusethecordfor
carrying,pullingorunpluggingthepowertool.
Keepcordawayfromheat,oil,sharpedgesor
movingparts.Damagedorentangledcordsincrease
theriskofelectricshock.
E.Whenoperatingapowertooloutdoors,usean
extensioncordsuitableforoutdooruse.Useofa
cordsuitableforoutdoorusereducestheriskofelectric
shock.
F.Ifoperatingapowertoolinadamplocationis
unavoidable,usearesidualcurrentdevice(RCD)
protectedsupply .UseofanRCDreducestheriskof
electricshock.
3.Personalsafety
A.Stayalert,watchwhatyouaredoinganduse
commonsensewhenoperatingapowertool.Do
notuseapowertoolwhileyouaretiredorunderthe
inuenceofdrugs,alcoholormedication.Amoment
ofinattentionwhileoperatingpowertoolsmayresult
inseriouspersonalinjury.
B.Usepersonalprotectiveequipment.Alwayswear
eyeprotection.Protectiveequipmentsuchasdust
mask,non-skidsafetyshoes,hardhat,orhearing
protectionusedforappropriateconditionswillreduce
personalinjuries.
C.Preventunintentionalstarting.Ensuretheswitch
isintheoff-positionbeforeconnectingtopower
sourceand/orbatterypack,pickinguporcarrying
thetool.Carryingpowertoolswithyourngeronthe
switchorenergizingpowertoolsthathavetheswitch
oninvitesaccidents.
D.Removeanyadjustingkeyorwrenchbeforeturning
thepowertoolon.Awrenchorakeyleftattachedto
thepowertoolmayresultinpersonalinjury.
E.Donotoverreach.Keepproperfootingandbalance
atalltimes.Thisenablesbettercontrolofthepower
toolinunexpectedsituations.
F.Dressproperly.Donotwearlooseclothingor
jewelry.Keepyourhair ,clothingandglovesaway
frommovingparts.Looseclothes,jewelry ,orlonghair
canbecaughtinmovingparts.
G.Ifdevicesareprovidedfortheconnectionofdust
extractionandcollectionfacilities,ensuretheseare
©2014—TheT oro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420
Registeratwww.Toro.com.
OriginalInstructions(EN)
PrintedinChina.
AllRightsReserved
*3377-778*B
connectedandproperlyused.Useofthesedevices
canreducedust-relatedhazards.
H.Keephandsandfeetawayfromthecuttingarea.
4.Powertooluseandcare
A.Donotforcethepowertool.Usethecorrectpower
toolforyourapplication.Thecorrectpowertoolwill
dothejobbetterandsaferattherateforwhichitwas
designed.
B.Donotusethepowertooliftheswitchdoesnotturn
itonandoff.Anypowertoolthatcannotbecontrolled
withtheswitchisdangerousandmustberepaired.
C.Disconnecttheplugfromthepowersourceand/or
thebatterypackfromthepowertoolbeforemaking
anyadjustments,changingaccessories,orstoring
powertools.Suchpreventivesafetymeasuresreduce
theriskofstartingthepowertoolaccidentally.
D.Storeidlepowertoolsoutofthereachofchildren
anddonotallowpersonsunfamiliarwiththepower
toolortheseinstructionstooperatethepowertool.
Powertoolsaredangerousinthehandsofuntrained
users.
E.Storeidleappliancesindoors.Whennotinuse,
appliancesshouldbestoredindoorsinadryandhigh
orlocked-upplace,outofthereachofchildren.
F.Maintainpowertools.Checkformisalignmentor
bindingofmovingparts,breakageofpartsand
anyotherconditionthatmayaffectthepowertools
operation.Ifdamaged,havethepowertoolrepaired
beforeuse.Manyaccidentsarecausedbypoorly
maintainedpowertools.
G.Keepcuttingtoolssharpandclean.Properly
maintainedcuttingtoolswithsharpcuttingedgesare
lesslikelytobindandareeasiertocontrol.
H.Usethepowertool,accessoriesandtoolbitsetc.,
inaccordancewiththeseinstructionsandinthe
mannerintendedfortheparticulartypeofpower
tool,takingintoaccounttheworkingconditions
andtheworktobeperformed.Useofthepowertool
foroperationsdifferentfromthoseintendedcouldresult
inahazardoussituation.
I.Keepguardsinplaceandinworkingorder.
5.ChainSawSafety
A.Holdthepowertoolbyinsulatedgrippingsurfaces
only,becausethesawchainmaycontacthidden
wiringoritsowncord.Sawchainscontactinga“live”
wiremaymakeexposedmetalpartsofthepowertool
“live”andcouldgivetheoperatoranelectricshock.
B.Wearsafetyglassesandhearingprotection.Further
protectiveequipmentforhead,hands,legs,and
feetisrecommended.Adequateprotectiveclothingwill
reducepersonalinjurybyyingdebrisoraccidental
contactwiththesawchain.
C.Donotoperateachainsawinatree.Operationof
achainsawwhileupinatreemayresultinpersonal
injury.
D.Alwayskeepproperfootingandoperatethechain
sawonlywhenstandingonaxed,secure,and
levelsurface.Slipperyorunstablesurfacessuchas
laddersmaycausealossofbalanceorcontrolofthe
chainsaw.
E.Whencuttingalimbthatisundertensionbealert
forspringback.Whenthetensioninthewoodbreis
releasedthespringloadedlimbmaystriketheoperator
and/orthrowthechainsawoutofcontrol.
F.Useextremecautionwhencuttingbrushand
saplings.Theslendermaterialmaycatchthesawchain
andbewhippedtowardyouorpullyouoffbalance.
G.Carrythechainsawbythefronthandlewiththe
chainsawswitchedoffandawayfromyourbody.
Whentransportingorstoringthechainsawalways
ttheguidebarcover.Properhandlingofthechain
sawwillreducethelikelihoodofaccidentalcontactwith
themovingsawchain.
H.Followinstructionsforlubricating,chaintensioning,
andchangingaccessories.Improperlytensioned
orlubricatedchainmayeitherbreakorincreasethe
chanceforkickback.
I.Keephandlesdry,clean,andfreefromoiland
grease.Greasy,oilyhandlesareslipperycausingloss
ofcontrol.
Kickbackmayoccurwhenthenoseortipoftheguidebar
touchesanobject,orwhenthewoodclosesinandpinches
thesawchaininthecut.
Tipcontactinsomecasesmaycauseasuddenreverse
reaction,kickingtheguidebarupandbacktowardsthe
operator.
Pinchingthesawchainalongthetopoftheguidebarmay
pushtheguidebarrapidlybacktowardstheoperator.
Eitherofthesereactionsmaycauseyoutolosecontrolof
thesawwhichcouldresultinaseriouspersonalinjury .Do
notrelyexclusivelyuponthesafetydevicesbuildintoyour
saw.Asachainsawuser,youshouldtakeseveralstepsto
keepyourcuttingjobsfreefromaccidentorinjury .
Kickbackistheresultoftoolmisuseand/orincorrect
operatingproceduresorconditionsandcanbeavoidedby
takingproperprecautionsasgivenbelow:
•Maintainarmgrip,withthumbsandngers
encirclingthechainsawhandles,withbothhands
onthesawandpositionyourbodyandarmtoallow
youtoresistkickbackforces.Kickbackforcescanbe
controlledbytheoperator ,ifproperprecautionsare
taken.Donotletgoofthechainsaw.
•Donotoverreachanddonotcutaboveshoulder
height.Thishelpspreventunintendedtipcontactand
enablesbettercontrolofthechainsawinunexpected
situations.
•Onlyusereplacementbarsandchainsspecied
bythemanufacturer.Incorrectreplacementbarsand
chainsmaycausechainbreakageand/orkickback.
•Followthemanufacturer’ssharpeningand
maintenanceinstructionsforthesaw
chain.Decreasingthedepthgaugeheightcan
leadtoincreasedkickback.
6.Service
Haveyourpowertoolservicedbyaqualiedrepair
personusingonlyidenticalreplacementparts.Thiswill
ensurethatthesafetyofthepowertoolismaintained.
7.BatterySafety
A.Donotchargepowertoolinrain,orinwetlocations.
B.Donotusebattery-operatedpowertoolintherain.
C.Useonlythefollowingtypeandsizebattery:T oro
batterymodel88508or88509andbatterycharger
88507or88510.
D.Removeordisconnectthebatterybeforeservicing,
cleaning,orremovingmaterialfromthepowertool.
2
E.Donotdisposeofthebatteryinare.Thecellmay
explode.Checkwithlocalcodesforpossiblespecial
disposalinstructions.
F.Donotopenormutilatethebattery.Releasedelectrolyte
iscorrosiveandmaycausedamagetotheeyesorskin.
Itmaybetoxicifswallowed.
G.Donotopenormutilatethebattery.Releasedelectrolyte
isammableandcancausedamageifexposedtore.
H.Exercisecareinhandlingbatteriesinordernottoshort
thebatterywithconductingmaterialssuchasrings,
WARNING—T oreducetheriskofinjury,usermustreadinstruction
manual.
SAVETHESEINSTRUCTIONS
bracelets,andkeys.Thebatteryorconductormay
overheatandcauseburns.
I.Idealchargingtemperatureisbetween0degreesCand
50degreesC(32and122degreesF).Chargingoutside
ofthistemperaturerangewillincreasethecharging
time.
SafetyandInstructionalDecals
Important:Safetyandinstructiondecalsarelocatednearareasofpotentialdanger.Replacedamageddecals.
121-7647
1.Overheating/highamp
indicator
2.Handguard
backward—motorrun
3.Handguard
forward—motorstop
4.Warning—readthe
Operator'sManual
121-7652
1.ReadtheOperator'sManual—contactoftheguidebartip
withanyobjectshouldbeavoided;tipcontactcancause
theguidebartomovesuddenlyupwardandbackward,
whichcancauseseriousinjury;alwaysusetwohands
whenoperatingthechainsaw.
121-7644
1.Wearearprotection;weareyeprotection;donotoperatein
wetconditions;contactoftheguidebartipwithanyobject
shouldbeavoided;tipcontactcancausetheguidebarto
movesuddenlyupwardandbackward,whichcancause
seriousinjury;alwaysusetwohandswhenoperatingthe
chainsaw.
3
121–7648
1.Wearearprotection;weareyeprotection;donotoperatein
wetconditions;contactoftheguidebartipwithanyobject
shouldbeavoided;tipcontactcancausetheguidebarto
movesuddenlyupwardandbackward,whichcancause
seriousinjury;alwaysusetwohandswhenoperatingthe
chainsaw.
121–7699
125–3240
125–3299
1.Wearearprotection;weareyeprotection;donotoperatein
wetconditions;contactoftheguidebartipwithanyobject
shouldbeavoided;tipcontactcancausetheguidebarto
movesuddenlyupwardandbackward,whichcancause
seriousinjury;alwaysusetwohandswhenoperatingthe
chainsaw.
4
125–8298
121–7654
125–8299
5
Setup
AssemblingtheBarandChain
DANGER
Contactwiththechainsawteethcancauseserious
injury.
•Removethebatterybeforeperformingany
adjustmentsormaintenancetothechainsaw.
•Alwaysweargloveswhenperformingany
adjustmentsofmaintenancetothechainsaw.
Ifthebarandchainarenotalreadyinstalled,performthefollowing
steps:
1.Placethechainsawonalevelsurface.
2.Removethetwoboltsthatsecurethecover(Figure1).
3.Turnthechaintensioningbolttothelefttomovethe
mountingplateclosetothesprocket(Figure2).
Figure2
1.Sprocket3.Stud(2)
2.Tensioningbolt4.Adjustingpin
4.Alignthebarwiththetwostudsandtheadjustingpin.
5.Placethechainaroundthedrivesprocket,withtheteethof
thechainfacingawayfromthesprocket(Figure2).
6.Feedthechainintothegrooveinthebar.
7.Installthecoverandthenuts,butdonotfullytightenthe
nuts.
8.Holdupthetipofthebar(Figure3).
Figure1
1.Cover
2.Nuts
Figure3
9.Tightenthechainbyturningthetensioningbolttotheright
(Figure2),untilthechaintouchestheundersideofthebar.
10.Tigthenthe2nuts(Figure1).
11.Checkthechaintension.Ifmoretensioningisrequired,
repeatthisprocedurestartingat7.
Note:Thechaintensioniscorrectwhenyouareable
touseaglovedhandtopullthechainsmoothlyaround
thebladebar
Note:Anewchainmayneedadjustingafterit’srst
use.RefertoAdjustingtheChainTension(page14).
6