Heavy-DutyAirFilterKit
forTRXTrenchers
ModelNo.115-4029
LooseParts
Usethechartbelowtoverifythatallpartshavebeenshipped.
FormNo.3360-523RevA
InstallationInstructions
ProcedureDescription
1
2
3
4
Nopartsrequired
Intakepipe1
Gasket
Breathertube1
Enginemountingbracket1
Canisterassembly
Flange-headbolt3
Washer2
Lockwasher2
Nut2
Plug1
Largeairhose1
Hoseclamp3
Weathercap1
1
RemovingtheExistingAir
Qty.
–
1
1
4.Cleanalldirtanddebrisfromthemachine.
5.Removetheaircleanercover(Figure1).
Removetheexistingaircleaner.
Installtheintakepipe.
Installtheaircleaner.
Connecttheaircleanertotheengine.
Use
Cleaner
NoPartsRequired
Procedure
1.Stopthemachineonalevelsurface,stoptheengine,
removetheignitionkey,andlowertheboom.
2.Allowtheenginetocoolcompletelybefore
continuing.
Iftheenginehasbeenrunning,themufer
andmuferguardwillbehotandcouldburn
you.Thisprocedurerequiresyoutotouchthe
muferguard.
Allowtheengineandmufertocoolcompletely
beforeinstallingthiskit.
3.Closethefuelshutoffvalve.
©2008—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420
Registeratwww.T oro.com.
Figure1
1.Aircleanercover
6.Removeanddiscardthebreathertubefromthe
engineandcarburetor(Figure2).
OriginalInstructions(EN)
PrintedintheUSA.
AllRightsReserved
Figure2
1.Flangenuts2.Breathertube
1.Carburetorstud
2.Gasket
Figure3
3.Intakepipe
4.Flangenut
7.Removeandsavethe2angenutssecuringtheair
cleaner(Figure2).
8.Removeanddiscardtheaircleanerandgasketfrom
thecarburetor.
2
InstallingtheIntakePipe
Partsneededforthisprocedure:
1Intakepipe
1
Gasket
1Breathertube
Procedure
1.Installanewgasketandintakepipeontothe
carburetorusingtheangenutsyouremoved
previously(Figure3),andtorquetheangenutsto
52to69in-lb(6to7.5N-m).
2.Installthenewbreathertubebetweentheintakepipe
andtheengine(Figure4).
Figure4
2
3
InstallingtheAirCleaner
Partsneededforthisprocedure:
1Enginemountingbracket
1
Canisterassembly
3Flange-headbolt
2Washer
2Lockwasher
2Nut
1Plug
Procedure
1.Assembletheenginemountingbrackettothe
canistermountingbracketusing2ange-headbolts,
washers,lockwashers,andnutsasshowninFigure5.
Figure6
1.Bolt
2.Muferguard
4.Removetheboltsecuringtheuppercornerofthe
valvecoverontheleftsideofthemachine(Figure7).
Figure5
1.Enginemountingbracket5.Lockwasher
2.Canistermountingbracket
3.Flange-headbolt7.Plug
4.Washer
6.Nut
2.Installtheplugintothediagnosticportontheair
cleanercanister(Figure5).
3.Removeandsavetheboltontheupperandinner
edgeofthemuferguardasshowninFigure6.
Figure7
1.Mountingbracket
assembly
2.Boltremovedfromthe
muferguard
3.Boltremovedfromthe
valvecover
4.Flange-headbolt
5.Installthemountingbracketassemblytotheengine
asshowninFigure7,usingtheboltyouremoved
3
fromthemuferguard,theboltyouremovedfrom
thevalvecover,andanewange-headboltfromthe
kit.
Important:Ensurethatyouinsertthemounting
bracketbetweentheengineandthemufer
guardasshowninFigure7.
4
ConnectingtheAirCleanerto
theEngine
Partsneededforthisprocedure:
1Largeairhose
3Hoseclamp
1Weathercap
Figure9
1.Hoseclamp2.Largeairhose
Procedure
1.Iftheairintakeportisnotpointingstraightup,
loosentheboltandnutsecuringthecanister
mountingstraps,rotatethecanistersothattheport
isup,andtightentheboltandnuttosecurethe
canister(Figure8).
3.Installtheairhoseontotheintakepipeonthe
carburetorandthelowerportonthecanister
(Figure9).
4.Slidethehoseclampsoverthehoseandlipofthe
intakepipeandlowerportandtightenthemto
securethehose.
5.Placeahoseclampovertheportonthebottomof
theweathercap(Figure10)
Figure8
1.Canister
2.Mountingbracketstrap5.Nut
3.Bolt
2.Slidetwohoseclampsontothelargeairhose
(Figure9).
4.Airintakeport
4