Hydraulicuidescapingunderpressurecan
penetrateskinandcauseinjury.Fluidinjected
intotheskinmustbesurgicallyremovedwithin
afewhoursbyadoctorfamiliarwiththisform
ofinjuryorgangrenemayresult.
•Keepyourbodyandhandsawayfrompin
holeleaksornozzlesthatejecthighpressure
hydraulicuid.
•Usecardboardorpapertondhydraulic
leaks,neveruseyourhands.
2.Removethe6boltssecuringthetrencherheadto
theframe(Figure7).
Figure7
1.Trencherhead(simplied
forillustrativepurposes)
3.Sidehoseguide
2.Safetybar
3.Movetheframetotheleft,aligningtheholesinthe
rightsideoftheframewiththoseinthehead.
4.Attachtheheadtotheframewiththe6bolts
removedpreviously(Figure7).
5.Torquetheboltsto190to230ft-lb(257to311
N-m).
6.Removethe3bolts,washers,andangenutsfrom
thesafetybarandremovethebar(Figure7).
7.Removethe2shortbolts,washers,andangenuts
securingtherightsideoftheupperframeand
movethemtothecorrespondingholesontheleft
(Figure7).
8.Installthesafetybaroverthetrencherchainusing
the3bolts,washers,andangenutsremoved
previously(Figure7).
9.Torqueall5boltsandnutsto190to230ft-lb(257
to311N-m).
10.Movethehosesfromthehoseguideontopofthe
trenchertothehoseguideontheleftside(Figure7).
TransportingtheTrencheron
aTrailer
Placethetrencheronatrailerortruckcapableof
carryingit.Securelytiethetrenchertothetraileror
truckusingtiestrapsappropriatefortheweightofthe
trencherandforhighwayuse.
OperatingTips
•Cleantheareaoftrash,branchesandrocksbefore
trenchingtopreventequipmentdamage.
•Alwaysbegintrenchingwiththeslowestground
speedpossible.Increasespeedifconditionspermit.
•Alwaysusefullthrottle(maximumenginespeed)
whentrenching.
•Alwaystrenchbackwards(i.e.,inreverse).
•Nevertransportthetrencherwiththeloaderarms
raised.Keepthearmsloweredandthetrencher
tiltedup.
•Whentrenching,thespoilsaugershouldjustclear
theoriginalgroundsurfacetoobtainmaximumsoil
removal.
•Trenchata45to60degreeangleforbestresults.
•Youwillbeabletodigatrenchfasterbycontrolling
thedepthwithperiodicadjustmentsoftheloader
arms.
•Ifyourtractionunithasaspeedselector(present
onsomewheeledtractionunits),setittotheslow
(turtleposition).
•Ifyourtractionunithasaowdivider(present
onsomewheeledtractionunits),adjustitto
approximatelythe10o’clockposition.
•Ifthetrencherbindsinthesoil,pushtheauxiliary
hydraulicsleverfullyforwardtoreversethechain
direction.Oncethechainisloose,pullthelever
rearwardagainandcontinuetrenching.
•Ifyouneedthenishedtrenchtobecleanerthan
whatispossiblewiththetrencher,youcanpurchase
acrumberfromyourdealer.Thecrumbermounts
ontothetrencherandscrapesthetrenchcleanas
yourunthetrencher.
•Toimprovethequalityoftrencheslessthan24
inches(61cm)deep,usea24inch(61cm)boom
onthetrencher.
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