Toro 2024 - Drilling the Bore; Horizontal Boring, Obstacle Handling, and Exiting

Whendrilling,thereceiveroperatorfollowsthedrillheadasit
progresses.Thereceiverreceivessignalsfromthesondein
thedrillheadidentifyingitsposition,depth,pitch,direction,
transmittertemperature,andorientationinthesoil.The
remoteconsoleisascreenthatremainsnearyou(thedrill
operator)toshowyoutheinformationfromthereceiver
whiledrillingsoyoucanmakesteeringdecisions.
Fordetailedinformationonusingthereceiverandremote
consoletoguidethedrillhead,refertotheOperator’sManual
thatcamewithyourreceiver.
Important:Donotsteerthedrillheadmorethan20cm
(8inches)offcenterforevery10feetofforwardtravel.If
yousteermorethanthisyouwilldamagethedrillpipes.
BoringtheHorizontalShaft
Aftercreatingtheentryshaft,yougraduallysteerthedrill
headupwhilepushingforward,followingtheplannedbore
path.Whenyoureachthedesireddepth,leveloutthedrill
headandborethehorizontalshaft,addingpipesasyougo.
Whileboring,paycloseattentiontotheinformationrelayed
backtoyoubythereceiveroperatoraboutthestatusand
locationofthedrillheadtoensurethatyouarefollowingthe
plannedpath.
Important:Whiledrilling,watchthesondetemperature.
Allsondeshaveamaximumtemperatureabovewhich
theywillbedamaged.Frictionbetweenthedrillhead
andthesoilwillcausethetemperaturetoraise.To
reducethetemperature,slowdown,decreaseforward
pressure,andincreasethedrillinguidow.Ifthedrill
headisenteringasoiltypeotherthanwhatitisdesigned
for,thatcanalsoraisetemperature.Assessthesituation
andpulloutthedrillheadandchangeitifnecessary.
Ifyourunintoanobstruction,dothefollowing:
1.Increasetheowofthedrillinguidforafewseconds
withoutdrilling,thenattempttocontinuedrilling
forward.
Thismayloosentheobstructionandallowyoutopush
pastit.
2.Iftheobstructionpersists,tryoneormoreofthe
followingoptions:
•Iftheobstructionisinanareawhereyoucandig,
stopthedrillheadwiththeExitSideLockout
anddigdowntotheobstructiontoidentifyitand
removeitifpossible.
•Pullthedrillheadback15m(50ft)ormoreand
steerthedrillheadtotheside,markinganewdrill
patharoundtheobstacle.
Important:Donotsteerthedrillheadmore
than20cm(8inches)offcenterforevery10
feetofforwardtravel.Ifyousteermorethan
thisyouwilldamagethedrillpipes.
•Iftheobstructionisactuallyachangeinsoiltypes,
suchasazoneofrockysoil,pullthedrillheadall
thewaybackandchangetoadrillbitappropriate
fordrillingthroughthenewsoiltype.
ExitingtheGround
Asyouapproachtheendofthebore,steerthedrillheadto
theexitpoint,keepingthesteeringlimitsinmindasyoudo
so.Beforeexitingtheground,ensurethateveryoneisaway
fromtheexitpoint.Assoonasyoubreakthrough,stopthe
drilling-uidow .Extendthedrillforwarduntiltheentire
drillheadisoutoftheground.
BackreamingandPullback
Afterdrillingtheinitialbore,youattachareamertothepipe
whichisthenconnectedtoatheproductyouareinstalling.
Thereamerisdesignedtowidenthebore,packthewallsand
lubricatethepassageoftheproductintothebore.
ThefollowingreamersareavailablefromyourAuthorized
ToroDealerinvarioussizestomeetyourneedsandsoil
conditions:
•Carbidestep-wingcutter—Usethisreamerinsandy
andmediumclaysoilconditionstomixthedrillinguid
withthesoil,makingamixturethatowseasilyaround
theproductbeingpulled.
•Castconepacker—Usethisreamerinsoilsthatpack
easily,suchassoftclay,peat,andloam,topackthesides
ofthebore,maintainingtheboreopening.
•Flutedreamer—Usethisreamerinhardclayandrocky
soils;itcombinesthefeaturesoftheothertworeamers.
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