Operator's Manual

CAUTION
Achildoruntrainedbystandercould
attempttooperatethemachineandbe
injured.
Removethekeyfromtheswitchwhen
leavingthemachine,evenifjustforafew
seconds.
DiggingaTrench
1.Starttheengine,raisetheboom,movethe
throttlelevertotheFASTposition,andmovethe
machineovertheareatobetrenched.
2.Pullthetrenchercontrollevertothereference
bartoengagethetrencher.
3.Slowlylowertheboomandchainintothe
ground.
Note:Toachievethemaximumdepth,youmay
needtolowertheboomasfarintotheground
asitcangowiththechainrunning.Then,stop
thechainandloweritfully.Startthechainagain
andresumeoperation.
4.Oncethetrencherboomisinthegroundata45°
to60°angle,slowlymovethemachinerearward
toextendthetrench.
Note:Ifyoumovetoofast,thetrencherwillstall.
Ifitstalls,raiseitslightly,slowlydriveforward,or
reversethechaindirectionmomentarily.
5.Whennished,raisetheboomoutofthetrench,
thenstopthetrencher.
OperatingTips
•Cleantheareaoftrash,branches,androcks
beforetrenchingtopreventdamagingthemachine.
•Alwaysbegintrenchingwiththeslowestground
speedpossible.Increasespeedifconditions
permit.Ifthechainspeedslowsdown,reduce
thegroundspeedtokeepthechainmovingatits
fastestrate.Donotspinthetrackswhiletrenching.
•Alwaysusefullthrottle(maximumenginespeed)
whentrenching.
•Alwaystrenchbackward(i.e.,inreverse).
•Trenchwiththechainata45°to60°angleforbest
results.
•Youwillbeabletodigatrenchfasterbycontrolling
thedepthwithperiodicadjustmentsoftheboom.
•Ifthetrencherbindsinthesoil,reversethechain
direction.Oncethechainisloose,changechain
directionsandcontinuetrenching.
•Ifyouneedthenishedtrenchtobecleaner
thanwhatispossiblewiththetrencher,you
canpurchaseacrumberfromyourdealer.The
crumbermountsontothetrencherheadand
scrapesthetrenchcleanasyoudig.
•Toimprovethequalityoftrencheslessthan61cm
(24inches)deep,usea61cm(24inch)boom.
•Iftheliftspeedofthemachineistooslowortoo
fast,adjusttheboltindicatedinFigure17.
g020996
Figure17
1.Lift-speedadjustmentbolt
•Usethecorrectchainforthegroundconditions,as
listedinthefollowingtable:
SoilTypeRecommendedChainType
SandySoilchain(congurewith
extrateethforafasterdigging
speed;refertoyourAuthorized
ServiceDealer)
SandyLoam/Loam/Loamy
Clay
Soilchain
Wet,stickyclay
Soilchain
Hardsoils:dryclayand
compactedsoils
Combinationchain
Rockysoil/gravel
Rockchain
19