Operator's Manual

Thefollowingexampleillustratestheprocessgiven
aninstallationusingthemachineatan18%pitchon
levelground:
•Inserttherst3m(10ft)ofdrillbit/pipeintothe
groundwithnosteering.Theendofthedrillbitwill
be53cm(21inches)deep(Figure32).
g034679
Figure32
1.18%pitch3.96cm(38inches)5.119cm(47inches)
2.53cm(21inches)4.114cm(45inches)6.10.6m(35ft)
•Beginsteeringupforthenext3m(10ft),pushing
thepipesinatthemaximumpitchchangeof8%.
Thisresultsinachangeofpitchfrom18%atthe
beginningofthe3m(10ft)to10%attheend
ofthe3m(10ft)foranaveragepitchof14%.
Giventhat,thedrillheadlowersanother43cm(17
inches)andisnow96cm(38inches)deep.
•Continuingsteeringupforthenext3m(10ft)at
an8%pitchchange,yourpitchwillchangefrom
10%to2%foranaveragepitchof6%.Giventhat,
thedrillheadlowersanother18cm(7inches)and
isnow114cm(45inches)deep.
•Levelingthedrillheadfrom2%to0%takesless
than1.5m(5ft)moreforanaldepthof119cm
(47inches).Reachingthisnalpointtook3-1/2
pipes3m(10ft)long.Soforthisexampleyour
entrypointshouldbe10.6m(35ft)backfromthe
beginning-at-depthpointofyourinstallation.
Important:Youcanusetheinformationcontained
inthissectiontodetermineboththespaceneeded
tosteeruptotheexitpointifneededandalsoto
steeraroundobstacles.
MappingtheBore
Withtheinformationyougatheredpreviously,mapout
therouteofthebore,identifyingthefollowingsothat
youcanmarkthesitelater:
•Entrypoint
•Locationofthemachineandsupportingequipment
•Beginningofboreatdepth
•Anyobstaclesthatyouneedtosteeraroundand
thelocationswhereyouneedtostartsteeringto
getaroundorunderthem
•Anyutilitylinesthatyouwillneedtocross
•Slopeandsoilchangesalongthepaththatwill
affectthebore
•Endoftheboreatdepth
•Exitlocationifdifferentthantheendofthebore
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