Bolens BL100, BL150 User manual

RULES FOR SAFE OPERATION
Read the Operator’s Manual and follow all warnings and safety
instructions. Failure to do so can result in serious injury to the
operator and/or bystanders.
FOR QUESTIONS, CALL 1-800-345-8746 IN U.S. OR
1-800-668-1238 in CANADA
SYMBOL MEANING
WARNING: Failuretoobeyasafetywarningcan
resultininjurytoyourselfandothers.Alwaysfollowthe
safetyprecautionstoreducetheriskoffire,electric
shockandpersonalinjury.
CAUTION: Failuretoobeyasafetywarningmayresult
inpropertydamageorpersonalinjurytoyourselforto
others.Alwaysfollowthesafetyprecautionstoreduce
theriskoffire,electricshockandpersonalinjury.
READ ALL INSTRUCTIONS BEFORE OPERATING
•Readtheinstructionscarefully.Befamiliarwiththecontrolsand
properuseoftheunit.
•Donotoperatethisunitwhentired,illorundertheinfluenceof
alcohol,drugsormedication.
•Childrenundertheageof15mustnotusetheunit;teensmay
operatetheunitwithadultguidance.
•I
nspecttheunitbeforeuse.Replacedamagedparts.Checkforfuel
leaks.Makesureallfastenersareinplaceandsecure.Replacecutting
attachmentpartsthatarecracked,chippedordamagedinanyway.
Makesurethecuttingattachmentisproperlyinstalledandsecurely
fastened.Besurethatthecuttingattachmentshieldisproperlyattached,
andpositionedasrecommended.Failuretodosocanresultinpersonal
injurytotheoperatorandbystanders,aswellasdamagetotheunit.
•U seonly0.080inch(2.03mm)diameteroriginalequipment
manufacturerreplacementline.Neverusemetal-reinforcedline,wire,
chainorrope.Thesecanbreakoffandbecomedangerousprojectiles.
•Beawareofriskofinjurytothehead,handsandfeet.
•Cleartheareatobecutbeforeeachuse.Removerocks,broken
glass,nails,wire,stringandotherobjectswhichmaybethrown
orbecomeentangledinthecuttingattachment.Cleartheareaof
children,bystandersandpets;keepthemoutsidea50-foot
(15m.)radius,ataminimum.Eventhen,theyarestillatriskfrom
thrownobjects.Encouragebystanderstoweareyeprotection.If
youareapproached,stoptheunitimmediately.
•S
queezethethrottlecontrolandcheckthatitreturnsautomaticallyto
theidleposition.Makealladjustmentsorrepairsbeforeusingtheunit.
•Thisunitwasnotdesignedtobeusedasabrushcutter.Donot
attachoroperatethisunitwithanytypeofbrushcuttingbladeor
brushcuttingattachment.
SAFETY WARNINGS FOR GAS TRIMMERS
•Storefuelonlyincontainersspecificallydesignedandapproved
forthestorageofsuchmaterials.
•Alwaysstoptheengineandallowittocoolbeforefillingthefuel
tank.Neverremovethefueltankcaporaddfuelwhentheengineis
hot.Neveroperatetheunitwithoutthefuelcapsecurelyinplace.
Loosenthefueltankcapslowlytorelieveanypressureinthetank.
•Addfuelinaclean,well-ventilatedoutdoorareawherethereare
nosparksorflames.Removethefuelcapslowly,andonlyafter
theenginestops.Donotsmokewhilefuelingormixingfuel.Wipe
upanyspilledfuelfromtheunitimmediately.
•Avoidcreatingasourceofignitionforspilledfuel.Donotstart
WARNING: Whenusingtheunit,youmustfollowthe
safetyrules.Pleasereadtheseinstructionsbefore
operatingtheunitinordertoensurethesafetyofthe
operatorandanybystanders.Pleasekeepthese
instructionsforlateruse.
• IMPORTANT SAFETY INSTRUCTIONS •
theengineuntilfuelvaporsdissipate.
•Movetheunitatleast30feet(9.1m)fromthefuelingsourceandsite
beforestartingtheengine.Donotsmoke.Keepsparksandopen
flamesawayfromtheareawhileaddingfueloroperatingtheunit.
WHILE OPERATING
•Neverstartorruntheunitinsideaclosedroomorbuilding.
Breathingexhaustfumescanbefatal.Operatethisunitonlyina
well-ventilatedoutdoorarea.
•WearsafetyglassesorgogglesthatmeetANSIZ87.1standardsand
aremarkedassuch.Wearear/hearingprotectionwhenoperating
thisunit.Wearafaceordustmaskiftheoperationisdusty.
•Wearheavylongpants,boots,glovesandalongsleeveshirt.Do
notwearlooseclothing,jewelry,shortpants,sandalsorgo
barefoot.Securehairaboveshoulderlevel.
•Thecuttingattachmentshieldmustalwaysbeinplacewhile
operatingtheunit.Donotoperateunitwithoutbothtrimming
linesextended,andtheproperlineinstalled.Donotextendthe
trimminglinebeyondthelengthoftheshield.
•Thisunitdoesnothaveaclutch.Thecuttingattachment
continuesrotatingwhentheengineisidling.Ifitdoesnot,have
theunitadjustedbyanauthorizedservicetechnician.
•AdjusttheD-handletoyoursizeinordertoprovidethebestgrip.
•Besurethecuttingattachmentisnotincontactwithanything
beforestartingtheunit.
•Usetheunitonlyindaylightorgoodartificiallight.
•Avoidaccidentalstarting.Beinthestartingpositionwhenever
pullingthestarterrope.Theoperatorandunitmustbeinastable
positionwhilestarting.RefertoStarting/StoppingInstructions.
•Usetherighttool.Onlyusethistoolforitsintendedpurpose.
•Donotoverreach.Alwayskeepproperfootingandbalance.
•Alwaysholdtheunitwithbothhandswhenoperating.Keepa
firmgriponbothhandlesorgrips.
•Keephands,face,andfeetatadistancefromallmovingparts.Do
nottouchortrytostopthecuttingattachmentwhenitrotates.
•Donottouchtheengine,gearhousingormuffler.Thesepartsget
extremelyhotfromoperation,evenaftertheunitisturnedoff.
•Donotoperatetheenginefasterthanthespeedneededtocut,trim
oredge.Donotruntheengineathighspeedwhennotcutting.
•Alwaysstoptheenginewhencuttingisdelayedorwhenwalking
fromonecuttinglocationtoanother.
•Ifyoustrikeorbecomeentangledwithaforeignobject,stopthe
engineimmediatelyandcheckfordamage.Donotoperate
beforerepairingdamage.Donotoperatetheunitwithlooseor
damagedparts.
•Stoptheunit,switchtheenginetooff,anddisconnectthespark
plugformaintenanceorrepair.
•U
seonlyoriginalequipmentmanufacturerreplacementpartsand
accessoriesforthisunit.Theseareavailablefromyourauthorizedservice
dealer.Useofanyunauthorizedpartsoraccessoriescouldleadto
seriousinjurytotheuser,ordamagetotheunit,andvoidyourwarranty.
•Keepunitcleanofvegetationandothermaterials.Theymay
becomelodgedbetweenthecuttingattachmentandshield.
•Toreducefirehazard,replaceafaultymufflerandsparkarrestor.
Keeptheengineandmufflerfreefromgrass,leaves,excessive
greaseorcarbonbuildup.
OTHER SAFETY WARNINGS
•Neverstoreafueledunitinsideabuildingwherefumesmay
reachanopenflameorspark.
•Allowtheenginetocoolbeforestoringortransporting.Besure
tosecuretheunitwhiletransporting.
•Storetheunitinadryarea,lockeduporuphightoprevent
unauthorizeduseordamage,outofthereachofchildren.
•Neverdouseorsquirttheunitwithwateroranyotherliquid.
Keephandlesdry,cleanandfreefromdebris.Cleanaftereach
use,seeCleaningandStorageinstructions.
•Keeptheseinstructions.Refertothemoftenandusethemto
instructotherusers.Ifyouloansomeonethisunit,alsoloanthem
theseinstructions.
SAVE THESE INSTRUCTIONS
WARNING: Gasolineishighlyflammable,andits
vaporscanexplodeifignited.Takethefollowing
precautions:
2

RULES FOR SAFE OPERATION
Thisoperator'smanualdescribessafetyandinternationalsymbolsandpictographsthatmayappearonthisproduct.Readtheoperator's
manualforcompletesafety,assembly,operatingandmaintenanceandrepairinformation.
• SAFETY ALERT SYMBOL
Indicatesdanger,warningorcaution.Maybeusedin
conjunctionwithothersymbolsorpictographs.
• HOT SURFACE WARNING
Donottouchahotmufflerorcylinder.Youmayget
burned.Thesepartsgetextremelyhotfromoperation.
Whenturnedofftheyremainhotforashorttime.
• WARNING - READ OPERATOR'S MANUAL
R
eadtheoperator’smanual(s)andfollowallwarnings
andsafetyinstructions.Failuretodosocanresultin
seriousinjurytotheoperatorand/orbystanders.
• WEAR EYE AND HEARING PROTECTION
WARNING: Thrownobjectsandloudnoisecan
causesevereeyeinjuryandhearingloss.Weareye
protectionmeetingANSIZ87.1-1989standardsand
earprotectionwhenoperatingthisunit.Useafullface
shieldwhenneeded.
• KEEP BYSTANDERS AWAY
WARNING: Keepallbystanders,especiallychildren
andpets,atleast50feet(15m.)fromtheoperatingarea.
• THROWN OBJECTS AND ROTATING CUTTER CAN
CAUSE SEVERE INJURY
WARNING: Smallobjectscanbepropelledathigh
speed,causinginjury.Keepawayfromtherotatingrotor.
SYMBOL MEANING
SYMBOL MEANING
• CHOKE CONTROL
1.•FULLchokeposition
2.•PARTIALchokeposition
3.•RUNchokeposition
• UNLEADED FUEL
Alwaysuseclean,freshunleadedfuel • OIL
Refertooperator’smanualforthepropertypeofoil.
• ON/OFF STOP CONTROL
ON/START/RUN
• ON/OFF STOP CONTROL
OFForSTOP
KNOW YOUR UNIT
APPLICATIONS
Asatrimmer:
•Cuttinggrassandlightweeds
•Edging
•Decorativetrimmingaroundtrees,
fences,etc.

INSTALL AND ADJUST THE D-HANDLE
1. P
ushtheD-handledownontotheshafthousingsothatthehandle
slantstowardstheshaftgrip(Fig.1).Thesquaredboltholeinthe
handleistotheright.
2. Inserttheshoulder
boltintothesquared
holeinthehandle
andpushthrough.On
theleftsideofthe
handle,placethe
washeronthebolt,
thenscrewthewing
nutontothebolt.Do
nottightenuntilyou
makethehandle
adjustment.
3. R
otatetheD-handletoplacethegripabovethetopoftheshaft
housing.Placeitaminimumof6inches(15.24cm)fromtheendof
theshaftgrip.
4. Whileholdingtheunitintheoperatingposition(Fig.9),position
theD-handletothelocationthatprovidesyouthebestgrip.
5. TightenthewingnutuntiltheD-handleissecure.
INSTALLING THE CUTTING SHIELD
Usethefollowinginstructionsifthecuttingattachmentshieldon
yourunitisnotinstalledorifyoueverneedtore-installit.
Install on a Straight Shaft (BL150)
1. Slidethecuttingattachmentshieldintotheshieldmountonthe
cuttingattachment.Alignthescrewholesintheshieldwiththe
holesinthecuttingattachmentshieldmount(Fig.2).
2. Placeoneofthe
three(3)supplied
hexlocknutsinto
oneofthethree
recessedholeson
thetopofthe
cuttingattachment
shield(Fig3).
3. I
nstallascrewintothe
holefromthebottom
ofthecutting
attachmentshield.
Screwitintothenut
installedinstep2until
itisstarted(Fig3).Do
nottighten.
4. R epeatsteps2and3
untilallthreescrews
havebeenstarted.
ThentightenallscrewssecurelywithaPhillipsheadscrewdriver.
Install on a Curved Shaft (BL100)
1.
Placethecuttingattachmentshieldontotheshafthousing.Besure
theguardmounting
bracketslidesintothe
slotontheedgeofthe
cuttingshield.Rotate
theshieldintoplace,
counterclockwise(Fig.
4).Theholesinthe
guardmounting
bracketandcutting
attachmentshieldwill
lineup.
2. Frominsidethe
cuttingattachment
shield,pushthe
squareboltthrough
theholeuntilthe
threadedend
protrudesthroughtheguardmountingbracket(Fig.5).
3. Putthewasheronthebolt,thenscrewthewingnutontothe
boltandtighten.
ASSEMBLY INSTRUCTIONS
Shaft Housing
Shield
Mount
Cutting
Attachment
Shield
Cutting
Attachment
Fig. 2
Recessed
Holes
Hex Lock
Nut
Screws (3)
Fig. 3
Nuts (3)
Guard
Mounting
Bracket
Cutting Attachment Shield
Fig. 4
Fig. 5
Square Bolt
Guard
Mounting
Bracket
Wing Nut
Washer
OIL AND FUEL INFORMATION
OIL AND FUEL MIXING INSTRUCTIONS
Oldand/orimproperlymixedfuelarethemainreasonsfortheunit
notrunningproperly.Besuretousefresh,cleanunleadedfuel.
Followtheinstructionscarefullyfortheproperfuel/oilmixture.
DEFINITION OF BLENDED FUELS
Today'sfuelsareoftenablendofgasolineandoxygenatessuch
asethanol,methanol,orMTBE(ether).Alcohol-blendedfuel
absorbswater.Aslittleas1%waterinthefuelcanmakefueland
oilseparate.Itformsacidswhenstored.Whenusingalcohol-
blendedfuel,usefreshfuel(lessthan60daysold).
USING BLENDED FUELS
Ifyouchoosetouseablendedfuel,oritsuseisunavoidable,
followrecommendedprecautions:
•Alwaysusethefreshfuelmixexplainedinyouroperator's
manual
•Alwaysagitatethefuelmixbeforefuelingtheunit
•Drainthetankandruntheenginedrybeforestoringtheunit
USING FUEL ADDITIVES
Thebottleof2-cycleoilthatcamewithyourunitcontainsafueladditive
whichwillhelpinhibitcorrosionandminimizetheformationofgum
deposits.Itisrecommendedthatyouuseour2-cycleoilwiththisunit.
Ifunavailable,useagood2-cycleoildesignedforair-cooledenginesalong
withafueladditive,suchasSTA-BIL®GasStabilizeroranequivalent.Add
0.8oz.(23ml.)offueladditivepergallonoffuelaccordingtothe
instructionsonthecontainer.NEVERaddfueladditivesdirectlytothe
unit'sfueltank.
Thoroughlymixtheproperratioof2-cycleengineoilwithunleaded
gasolineinaseparatefuelcan.Usea40:1fuel/oilratio.Donotmix
themdirectlyintheenginefueltank.Seethetablebelowfor
specificgasandoilmixingratios.
NOTE: Onegallon(3.8liters)ofunleadedgasolinemixedwithone
3.2oz.(95ml.)bottleof2-cycleoilmakesa40:1fuel/oil
ratio.
NOTE: Disposeoftheoldfuel/oilmixinaccordancetoFederal,
StateandLocalregulations.
MIXING RATIO - 40:1
UNLEADED GAS 2 CYCLE OIL
1 GALLON US
(3.8 LITERS) 3.2 FL. OZ. (95 ml)
1 LITER 25 ml
CAUTION: Forproperengineoperationandmaximum
reliability,paystrictattentiontotheoilandfuelmixing
instructionsonthe2-cycleoilcontainer.Usingimproperly
mixedfuelcanseverelydamagetheengine.
WARNING: G
asolineisextremelyflammable.Ignited
vaporsmayexplode.Alwaysstoptheengineandallowitto
coolbeforefillingthefueltank.Donotsmokewhilefillingthe
tank.Keepsparksandopenflamesatadistancefromthe
area.
WARNING: Removefuelcapslowlytoavoidinjury
fromfuelspray.Neveroperatetheunitwithoutthefuel
capsecurelyinplace.
WARNING: Addfuelinaclean,wellventilated
outdoorarea.Wipeupanyspilledfuelimmediately.
Avoidcreatingasourceofignitionforspiltfuel.Donot
starttheengineuntilfuelvaporsdissipate.
Fig. 1
Bolt Washer
Wing
Nut
Tighten
Shaft Grip
D-Handle
Minimum 6 inches
(15.24 cm)
Shaft Housing
4

STARTING/STOPPING INSTRUCTIONS
WARNING: Removefuelcapslowlytoavoidinjury
fromfuelspray.Neveroperatetheunitwithoutthefuel
capsecurelyinplace.
WARNING: A
voidaccidentalstarting.Makesureyouare
inthestartingpositionwhenpullingthestarterrope(Fig.8).
Toavoidseriousinjury,theoperatorandunitmustbe
inastablepositionwhilestarting.
STARTING INSTRUCTIONS
1. Mixgaswithoil.Fillfueltankwithfuel/oilmixture.SeeOil
and Fuel Mixing Instructions.
2.
MakesuretheOn/OffStopControlintheON(I)position(Fig.6).
3. Fullypressandreleasetheprimerbulb10times,slowly.
Someamountoffuelshouldbevisibleintheprimerbulb
andfuellines(Fig.7).Ifyoucan’tseefuelinthebulb,
pressandreleasethebulbasmanytimesasittakes
beforeyoucanseefuelinit.
4. PlacethebluechokeleverinPosition 1 (Fig.7).
5. Crouchinthestartingposition(Fig.8)andsqueezethe
throttlecontrol.Pullthestarterropebriskly5times.
NOTE: TheunitusesEZ-PullVersion3™,whichsignificantly
reducestheeffortrequiredtostarttheengine.
6. PlacethebluechokeleverinPosition 2.
7. Whilesqueezingthethrottlecontrol,pullthestarterrope
brisklyuntiltheenginestarts.
8. Keepthethrottlesqueezedandallowtheenginetowarm
upfor15to30seconds.
NOTE: Enginemaytakelongertowarmupandreach
maximumoperatingspeedatcoldertemperatures.
NOTE: Unitisproperlywarmedupwhenengineaccelerates
withouthesitation.
9. Oncetheengineiswarmedup,placethebluechokelever
inPosition 3 (Fig.7).Theunitisreadyforuse.
IF... Theenginehesitates,returnchokelevertoPosition2(Fig.7)
andcontinuewarmup.
IF... Theenginedoesnotstart,gobacktostep3.
IF...
Theenginefailstostartafterafewattempts,placetheblue
chokeleverinPosition3andsqueezethethrottlecontrol.Pullthe
starterropebriskly3to8times.Theengineshouldstart.Ifnot,repeat.
IF WARM... Iftheengineisalreadywarm,makesuretheOn/OffStop
controlisintheONpositionandstarttheunitwiththebluechoke
leverinPosition2.Aftertheunitstarts,movethebluechokelever
toPosition3.
STOPPING INSTRUCTIONS
1. Releaseyourhandfromthethrottlecontrol.Allowtheengineto
cooldownbyidling.
2. PressandholdOn/OffStopControlintheOFF(O)position
untilenginecomestoacompletestop.
Fig. 6

OPERATING INSTRUCTIONS
TIPS FOR BEST TRIMMING RESULTS
•Keepthecuttingattachmentparalleltotheground.
•Donotforcethecuttingattachment.Allowthetipofthelinetodo
thecutting,especiallyalongwalls.Cuttingwithmorethanthetip
willreducecuttingefficiencyandmayoverloadtheengine.
•Cutgrassover8inches(200mm)byworkingfromtoptobottom
insmallincrementstoavoidprematurelinewearorenginedrag.
•Cutfromrighttoleftwheneverpossible.Cuttingtotheleft
improvestheunit'scuttingefficiency.Clippingsarethrownaway
fromtheoperator.
•Slowlymovethetrimmerintoandoutofthecuttingareaatthe
desiredheight.Moveeitherinaforward-backwardorside-to-side
motion.Cuttingshorterlengthsproducesthebestresults.
•Trimonlywhengrassandweedsaredry.
•Thelifeofyourcuttinglineisdependentupon;
MAINTENANCE AND REPAIR INSTRUCTIONS
MAINTENANCE SCHEDULE
Performtheserequiredmaintenanceproceduresatthefrequency
statedinthetable.Theseproceduresshouldalsobeapartofany
seasonaltune-up.
NOTE: Somemaintenanceproceduresmayrequirespecialtools
orskills.Ifyouareunsureabouttheseprocedurestake
yourunittoanynon-roadenginerepairestablishment,
individualorauthorizedservicedealer.
NOTE: Maintenance,replacement,orrepairoftheemissioncontrol
devicesandsystemmaybeperformedbyanynon-road
enginerepairestablishment,individualorauthorizedservice
dealer.
Inordertoassurepeakperformanceofyourengine,inspectionofthe
engineexhaustportmaybenecessaryafter50hoursofoperation.If
younoticelostRPM,poorperformanceorgenerallackofacceleration,
thisservicemayberequired.Ifyoufeelyourengineisinneedofthis
inspection,referservicetoanynon-roadenginerepairestablishment,
individualorauthorizedservicedealerforrepair.DONOTattemptto
performthisprocessyourselfasenginedamagemayresultfrom
contaminantsinvolvedinthecleaningprocessfortheport.
WARNING: Topreventseriousinjury,neverperform
maintenanceorrepairswithunitrunning.Alwaysservice
andrepairacoolunit.Disconnectthesparkplugwireto
ensurethattheunitcannotstart.
•Adherenceofthelistedtrimmingtechniques
•Whatvegetationiscut
•Wherevegetationiscut
Forexample,thelinewillwearfasterwhentrimmingagainsta
foundationwallasopposedtotrimmingaroundatree.
DECORATIVE TRIMMING
Decorativetrimmingis
accomplishedby
removingallvegetation
aroundtrees,posts,
fences,etc.
Rotatethewholeunitso
thatthecuttingattachment
isata30°angletothe
ground(Fig.11).
Fig. 11
BL100
BL150
FREQUENCY MAINTENANCE REQUIRED SEE
Beforestartingengine Fillfueltankwithfreshfuel p.4
Every10hours Cleanandre-oilairfilter p.7
Every25hours Checkandcleansparkarrestor
Checksparkplugconditionandgap p.8
p.8
Every50hours Inspectexhaustportandsparkarrestorscreenforcloggingorobstructiontoassuremaximum
performancelevels. p.8
LINE INSTALLATION
ThissectioncoversbothSplitLine™andstandardsingleline
installation.
Alwaysuseoriginalequipmentmanufacturer0.080in.(2.03mm)
replacementline.Lineotherthanthespecifiedmaymakethe
engineoverheatorfail.
Therearetwomethodstoreplacethetrimmingline:
•Windtheinnerreelwithnewline
•Installaprewoundinnerreel
Winding the Existing Inner Reel
1. Holdtheouterspool
withonehandand
unscrewtheBump
Knob™
counterclockwise
(Fig.12).Inspectthe
boltinsidethe
BumpKnobto
makesureitmoves
freely.ReplacetheBumpKnobifdamaged.
2. Removetheinnerreelfromtheouterspool(Fig.13).
3. R
emovespringfromtheinnerreel(Fig.13).
4. Useacleanclothtocleanthetheinnerreel,spring,shaft,and
WARNING: N
everusemetal-reinforcedline,wire,chain
orrope.Thesecanbreakoffandbecomedangerous
projectiles.
Fig. 12

MAINTENANCE AND REPAIR INSTRUCTIONS
GoToStep8forSplitLine™ Installation
6. Takeapproximately
20feet(6m)ofnew
trimmingline,loopit
intotwoequal
lengths.Inserteach
endoftheline
throughoneofthe
twoholesinthe
innerreel(Fig.16).
Pullthelinethrough
theinnerreelsothat
theloopisassmall
aspossible.
7. Windthelinesin
tightevenlayers,
ontothereel(Fig.
17).Windthelinein
thedirection
indicatedonthe
innerreel.Placeyourindexfingerbetweenthetwolinesto
stopthelinesfromoverlapping.Donotoverlaptheendsofthe
line.Proceedtostep11.
SplitLine™ Installation
8. Takeapproximately10feet(3m)ofnewtrimmingline.Insert
oneendoftheline
throughoneofthe
twoholesinthe
innerreel(Fig.18).
Pullthelinethrough
theinnerreeluntil
onlyabout4inches
isleftout.
9. Inserttheendofthe
lineintotheopenholeintheinnerreelandpullthelinetightto
maketheloopassmallaspossible(Fig.18).
10.Beforewinding,splitthelinebackabout6inches.
11.Windthelineintightevenlayersinthedirectionindicatedonthe
innerreel.
NOTE: Failuretowindthelineinthedirectionindicatedwillcause
thecuttingattachmenttooperateincorrectly.
12.
Inserttheendsofthe
lineintothetwo
holdingslots(Fig.19).
13. Inserttheendsofthe
linethroughtheeyelets
intheouterspooland
placeinnerreelwith
springinsidetheouter
spool(Fig.20).Push
theinnerreelandouter
spooltogether.While
holdingtheinnerreel
andouterspool,grasp
theendsandpullfirmly
toreleasethelinefrom
theholdingslotsinthe
reel.
NOTE: Thespringmust
beassembledon
theinnerreelbeforereassemblingthecuttingattachment.
14.Holdtheinnerreelinplaceandinstallthebumpknobby
turningclockwise.Tightensecurely.
INSTALLING A PREWOUND REEL
1. Holdtheouterspoolwithonehandandunscrewthebump
knobcounterclockwise(Fig.12).Inspecttheboltinsidethe
bumpknobtomakesureitmovesfreely.Replacethebump
knobifdamaged.
2. Removetheoldinnerreelfromtheouterspool(Fig.13).
3. Removethespringfromtheoldinnerreel(Fig.13).
4. Placethespringinthenewinnerreel.
Fig. 16
Loop
NOTE: Thespringmustbeassembledontheinnerreelbefore
reassemblingthecuttingattachment.
5.
Inserttheendsofthelinethroughtheeyeletsintheouterspool(Fig.20).
6. Placethenewinnerreelinsidetheouterspool.Pushtheinner
reelandouterspooltogether.Whileholdingtheinnerreeland
outerspool,grasptheendsandpullfirmlytoreleasetheline
fromtheholdingslotsinthespool.
7. Holdtheinnerreelinplaceandinstallthebumpknobby
turningclockwise.Tightensecurely.
AIR FILTER MAINTENANCE
Removing the Air Filter/Muffler Cover
1. PlacethebluechokeleverinPosition2(Fig.21).
NOTE: Thebluechoke
levermustbein
Position2to
removetheair
filter/muffler
cover.
2. Removethefour(4)
screwssecuringthe
airfilter/muffler
cover(Fig.21).Use
aT-20Torxbit
screwdriver.
3. Pullthecoverfrom
theengine.Donotforce.
Cleaning the Air Filter
Cleanandre-oiltheairfilter
every10hoursof
operation.Itisanimportant
itemtomaintain.Failureto
maintainyourairfilter
properlycanresultinpoor
performanceorcancause
permanentdamagetoyour
engine.
1. Removeair
filter/mufflercover.
RefertoRemoving
the Air Filter/Muffler
Cover.
2. Turncoveroverand
lookinsidetolocate
theairfilter.Remove
theairfilterfrom
insidetheair
filter/mufflercover
(Fig.22).
3. Washthefilterin
detergentandwater
(Fig.23).Rinsethe
filterthoroughly.
Squeezeoutexcess
water.Allowittodry
completely.
4. Applyenoughclean
SAE30oiltolightly
coatthefilter(Fig.
24).
5. Squeezethefilterto
spreadandremove
excessoil(Fig.25).
6. Replacetheairfilter
insidetheairfilter/mufflercover(Fig.22).
NOTE: Operatingtheunitwithouttheairfilterandairfilter/muffler
coverassemblywillVOIDthewarranty.
Fig. 17
Fig. 18
Loop
Fig. 19

MAINTENANCE AND REPAIR INSTRUCTIONS
Reinstalling the Air Filter/Muffler Cover
1. Placetheairfilter/mufflercoveroverthebackofthecarburetor
andmuffler.Alignthescrewholes.
2. Insertthefour(4)screwsintotheholesintheairfilter/muffler
cover(Fig.21)andtighten.Do not over tighten.
SPARK ARRESTOR MAINTENANCE
1. Removeairfilter/mufflercover.RefertoRemoving the Air
Filter/Muffler Cover.
2. Locatethemuffler,
butdonotremoveit.
Findthescrewon
thebottomofthe
muffler(Fig.26).
Removethescrew
usingeitheratorx
#20orflatblade
screwdriver.
3. Carefullypryupthe
leftsidespark
arrestorhood.Twotabsactashingesontherightsideofthe
hood.Flipopenthesparkarrestorhoodlikeadoorandthen
pullitstabsoutofthemufflerslots.
4. Usingasmallflatbladescrewdriver,carefullyprythespark
arrestorscreenoutfromtheinsideofthesparkarrestorhood.
5. C
leanthesparkarrestorscreenwithawirebrush.Replaceitifitis
damaged,orifyouareunabletocleanitthoroughly.
6. Reinstallthesparkarrestorscreensnuglybackintothesparkarrestor
hood.
7. Reinstallthetwohoodtabsintothetwomufflerslotsandflip
thesparkarrestorhoodclosed.
8. ReplacethescrewyouremovedinStep2andtightenitsecurely.
9. Reinstalltheairfilter/mufflercover.
CARBURETOR ADJUSTMENT
Theidlespeedoftheengineisadjustablethroughtheairfilter/muffler
cover(Fig.27).
NOTE: Carelessadjustmentscanseriouslydamageyourunit.An
authorizedservicedealershouldmakecarburetor
adjustments.
CHECK FUEL MIXTURE
Oldand/orimproperlymixedfuelisusuallythereasonforimproperunit
performance.Drainandrefillthetankwithfresh,properly-mixedfuel
priortomakinganyadjustments.Refer to Oil and Fuel Information.
CLEAN AIR FILTER
Theconditionoftheairfilterisimportanttotheoperationoftheunit.A
dirtyairfilterwillrestrictairflowandchangetheair/fuelmixture.Thisis
oftenmistakenforanoutofadjustmentcarburetor.Checkthecondition
oftheairfilterbeforeadjustingtheidlespeedscrew.Refer to Air Filter
Maintenance.
ADJUST IDLE SPEED SCREW
If,aftercheckingthefuelmixtureandcleaningtheairfilter,theengine
stillwillnotidle,adjusttheidlespeedscrewasfollows:
1. Starttheengineandletitrunatahighidleforaminutetowarm
up.Refer to Starting/Stopping Instructions.
2.
Releasethethrottletriggerandlettheengineidle.Iftheengine
stops,insertasmallphillipsscrewdriverintotheholeintheair
filter/mufflercover(Fig.27).Turntheidlespeedscrewin,clockwise,
1/8ofaturnatatime(asneeded)untiltheengineidlessmoothly.
3. Iftheengineappearstobeidlingtoofast,turntheidlespeed
screwcounterclockwise 1/8ofaturnatatime(asneeded),to
reduceidlespeed.
Checkingthefuel
mixture,cleaningtheair
filter,andadjustingthe
idlespeedshouldsolve
mostengineproblems.If
notandallofthe
followingaretrue:
•
theenginewillnotidle
•theenginehesitates
orstallson
acceleration
•thereisalossofenginepower
Havethecarburetoradjustedbyanauthorizedservicedealer.
REPLACING THE SPARK PLUG
UseaChampionRDJ7Ysparkplug,orequivalent.Thecorrectairgap
is0.025 inch (0.635 mm).Removetheplugafterevery25hoursof
operationandcheckitscondition.
1. Stoptheengineandallowittocool.Grasptheplugwirefirmly
andpullitfromthesparkplug.
2. Cleanaroundthesparkplug.Removethesparkplugfromthe
cylinderheadbyturninga5/8-inchsocketcounterclockwise.
3. Replaceacracked,fouledordirtysparkplug.Settheairgapat
0.025 in. (0.635 mm)
usingafeelergauge
(Fig.28).
4. I
nstallacorrectly-
gappedsparkplugin
thecylinderhead.
Tightenbyturningthe
5/8-inchsocket
clockwiseuntilsnug.
Ifusingatorquewrenchtorqueto:
110-120 in.•lb. (12.3-13.5 N•m)
Do not over tighten.
CLEANING
Useasmallbrushtocleanofftheoutsideoftheunit.Donotusestrong
detergents.Householdcleanersthatcontainaromaticoilssuchaspineand
lemon,andsolventssuchaskerosene,candamageplastichousingor
handle.Wipeoffanymoisturewithasoftcloth.
STORAGE
•Neverstoreafueledunitwherefumesmayreachanopenflame
orspark.
•Allowtheenginetocoolbeforestoring.
•Storetheunitlockeduptopreventunauthorizeduseordamage.
•Storetheunitinadry,well-ventilatedarea.
•Storetheunitoutofthereachofchildren.
LONG TERM STORAGE
Ifyouplanonstoringtheunitforanextendedtime,usethefollowing
storageprocedure:
1. Drainallfuelfromthefueltankintoacontainerwiththesame
2-cyclefuelmixture.Donotusefuelthathasbeenstoredfor
morethan60days.Disposeoftheoldfuel/oilmixin
accordancetoFederal,StateandLocalregulations.
WARNING: Ifthesparkarrestorhoodandspark
arrestorscreenarenottightenedsecurely,theycouldfall
offcausingdamagetotheunitandpossibleserious
personalinjury.
Fig. 26
Tabs
Screw
Spark Arrestor
Hood
Spark Arrestor
Screen
Slots Fig. 27

MAINTENANCE AND REPAIR INSTRUCTIONS
2. Starttheengineandallowittorununtilitstalls.Thisensures
thatallfuelhasbeendrainedfromthecarburetor.
3. Allowtheenginetocool.Removethesparkplugandput1oz.
(30ml)ofanyhighqualitymotoroilor2-cycleoilintothe
cylinder.Pullthestarterropeslowlytodistributetheoil.
Reinstallthesparkplug. NOTE: Removethesparkpluganddrainalloftheoilfromthe
cylinderbeforeattemptingtostartthetrimmerafter
storage.
4. Thoroughlycleantheunitandinspectitforanylooseor
damagedparts.Repairorreplacedamagedpartsandtighten
loosescrews,nutsorbolts.Theunitisreadyforstorage.
CAUSE ACTION
On/OffcontrolintheOFFposition TurnOn/OffcontroltoON
Emptyfueltank Fillfueltankwithproperlymixedfuel
Primerbulbwasn'tpressedenough Pressprimerbulbfullyandslowly10times
Engineisflooded Squeezethetriggerandpullthestarterrope
Oldorimproperlymixedfuel Draingastankandaddfreshfuelmixture
Fouledsparkplug Replaceorcleanthesparkplug
Pluggedsparkarrestor Cleanorreplacesparkarrestor
CAUSE ACTION
Airfilterisplugged Replaceorcleantheairfilter
Oldorimproperlymixedfuel Draingastankandaddfreshfuelmixture
Impropercarburetoradjustment AdjustaccordingtotheCarburetorAdjustmentssection
CAUSE ACTION
Oldorimproperlymixedfuel Draingastankandaddfreshfuelmixture
Impropercarburetoradjustment Taketoanauthorizedservicedealerforanadjustment
Cuttingattachmentboundwithgrass Stoptheengineandcleanthecuttingattachment
Dirtyairfilter Cleanorreplacetheairfilter
Pluggedsparkarrestor Cleanorreplacesparkarrestor
CAUSE ACTION
Oldorimproperlymixedfuel Draingastankandaddfreshfuelmixture
Impropercarburetoradjustment Taketoanauthorizedservicedealerforanadjustment
Fouledsparkplug Replaceorcleanthesparkplug
Pluggedsparkarrestor Cleanorreplacesparkarrestor
TROUBLESHOOTING
CAUSE ACTION
Cuttingattachmentboundwithgrass Stoptheengineandcleancuttingattachment
Cuttingattachmentoutofline Refillwithnewline
Innerreelboundup Replacetheinnerreel
Cuttingheaddirty Cleaninnerreelandouterspool
Linewelded Disassemble,removetheweldedsectionandrewind
Linetwistedwhenrefilled Disassembleandrewindtheline
Notenoughlineisexposed
Pushthebumpknobandpulloutlineuntil4inches(102mm)oflineis
outsideofthecuttingattachment
CAUSE ACTION
Oil,cleanerorlubricantincuttinghead Cleanandthoroughlydrythecuttinghead
If further assistance is required, contact your authorized service dealer.
ENGINE WILL NOT START
ENGINE WILL NOT IDLE
ENGINE WILL NOT ACCELERATE
ENGINE LACKS POWER OR STALLS WHEN CUTTING
CUTTING ATTACHMENT WILL NOT ADVANCE LINE
CUTTING LINE ADVANCES UNCONTROLLABLY
9

ENGINE*
DRIVE SHAFT & CUTTING ATTACHMENT*
EngineType......................................................................................Air-Cooled,2-Cycle
Stroke..........................................................................................1.25in.(31.75mm.)
Displacement......................................................................................1.9cuin.(31cc.)
OperatingRPM..........................................................................................6,800+rpm
IdleSpeedRPM...................................................................................3,200-4,400rpm
IgnitionType..............................................................................................Electronic
IgnitionSwitch........................................................................................RockerSwitch
SparkPlugGap.................................................................................0.025in.(0.635mm.)
Lubrication..........................................................................................Fuel/OilMixture
Fuel/OilRatio.................................................................................................40:1
Carburetor....................................................................................Diaphragm,All-Position
Starter...........................................................................................EZ-PullVersion3™
Muffler...........................................................................................BaffledwithGuard
Throttle........................................................................................ManualSpringReturn
FuelTankCapacity..................................................................................12fl.oz.(341ml.)
DriveShaftHousing.......................................................................................SteelTube
ThrottleControl.....................................................................................Finger-TipTrigger
ApproximateUnitWeight(Nofuel,withcuttingattachment,shieldandD-handle)...................................10lbs.(4.5kg.)
CuttingMechanism.....................................................................................BumpHead™
ShoulderStrap.............................................................................................Optional
LineSpoolDiameter..................................................................................3in.(76.2mm.)
TrimmingLineDiameter............................................................................0.080in.(2.03mm.)
CuttingPathDiameter...............................................................................17in.(43.18cm.)
SPECIFICATIONS
California / EPA Emission Control Warranty Statement
YOUR WARRANTY RIGHTS AND OBLIGATIONS
TheCaliforniaAirResourcesBoard,theEnvironmentalProtectionAgency,andTroy-BiltLLC(Troy-Bilt)arepleasedtoexplaintheemission
controlsystemwarrantyonyour2007andlatersmalloff-roadengine.InCaliforniaandthe49states,newsmalloff-roadenginesmustbe
designed,builtandequippedtomeetthestate’sstringentanti-smogstandards.Troy-Biltmustwarranttheemissioncontrolsystemonyour
smalloff-roadenginefortheperiodsoftimelistedbelowprovidedtherehasbeennoabuse,neglectorimpropermaintenanceofyoursmall
off-roadengine.
Youremissioncontrolsystemmayincludepartssuchasthecarburetororfuel-injectionsystem,theignitionsystem,andcatalyticconverter.
Alsoincludedmaybehoses,belts,connectorsandotheremission-relatedassemblies.
Whereawarrantableconditionexists,Troy-Biltwillrepairyoursmalloff-roadengineatnocosttoyouincludingdiagnosis,partsandlabor.
The2007andlatersmalloff-roadenginesarewarrantedfortwoyears.Ifanyemission-relatedpartonyourengineisdefective,thepartwill
berepairedorreplacedbyTroy-Bilt. OWNERS WARRANTY RESPONSIBILITIES
Asthesmalloff-roadengineowner,youareresponsiblefortheperformanceoftherequiredmaintenancelistedinyouroperator’smanual.
Troy-Biltrecommendsthatyouretainallreceiptscoveringmaintenanceonyoursmalloff-roadengine,butTroy-Biltcannotdenywarranty
solelyforthelackofreceiptsorforyourfailuretoensuretheperformanceofallscheduledmaintenance.
•Asthesmalloff-roadengineowner,youshouldhoweverbeawarethatTroy-Biltmaydenyyouwarrantycoverageifyoursmalloff-road
engineoraparthasfailedduetoabuse,neglect,impropermaintenanceorunapprovedmodifications.
•Youareresponsibleforpresentingyoursmalloff-roadenginetoaTroy-BiltAuthorizedServiceCenterassoonasaproblemexists.The
warrantyrepairsshouldbecompletedinareasonableamountoftime,nottoexceed30days.
Ifyouhaveanyquestionsregardingyourwarrantyrightsandresponsibilities,youshouldcall1-800-828-5500.
MANUFACTURER’S WARRANTY COVERAGE
•Thewarrantyperiodbeginsonthedatetheengineorequipmentisdeliveredtotheretailpurchaser.
•Themanufacturerwarrantstotheinitialownerandeachsubsequentpurchaser,thattheengineisfreefromdefectsinmaterialand
workmanshipwhichcausethefailureofawarrantedpartforaperiodoftwoyears.
•RepairorreplacementofwarrantedpartwillbeperformedatnochargetotheowneratanAuthorizedTroy-BiltServiceCenter.Forthe
nearestlocationpleasecontactTroy-Biltat:1-800-828-5500.
•Anywarrantedpartwhichisnotscheduledforreplacement,asrequiredmaintenanceorwhichisscheduledforonlyforregular
inspectiontotheeffectof“RepairorReplaceasNecessary”iswarrantedforthewarrantyperiod.Anywarrantedpartwhichisscheduled
forreplacementasrequiredmaintenancewillbewarrantedfortheperiodoftimeuptothefirstscheduledreplacementpointforthatpart.
•Theownerwillnotbechargedfordiagnosticlaborwhichleadstothedeterminationthatawarrantedpartisdefective,ifthediagnostic
workisperformedatanAuthorizedTroy-BiltServiceCenter.
•Themanufacturerisliablefordamagestootherenginecomponentscausedbythefailureofawarrantedpartstillunderwarranty.
•Failurescausedbyabuse,neglectorimpropermaintenancearenotcoveredunderwarranty.
•Theuseofadd-onormodifiedpartscanbegroundsfordisallowingawarrantyclaim.Themanufacturerisnotliabletocoverfailuresof
warrantedpartscausedbytheuseofadd-onormodifiedparts.
•Inordertofileaclaim,gotoyournearestAuthorizedTroy-BiltServiceCenter.Warrantyservicesorrepairswillbeprovidedatall
10