17.Rotatethedrillspindlecounterclockwisemoving
rearwardslowlyuntilthespindlefullyseparatesfrom
thepipe.
18.Retractthepipegripperarms.
19.Rotatethepipecamtothedesiredrow .
Note:Filltheoutsiderowsrst.
20.Releasethepipegripperandraisethepipeintothe
holderrow.
21.Raisethepipeintothepipebasketwiththepipe
elevators.
22.Rotatethepipegripperpastthethirdrowofpipes.
Important:Ensurethatyoufullyretractthe
pipegripperandrotateitallthewayoutorthe
carriagemaycollidewiththegripper,damaging
themachine.
23.Movethedrillspindledowntheframeunderthe
thread-joint-compoundapplicator,andspraythe
spindlewiththreadjointcompound.
24.Rotatethedrillspindleclockwiseandmovethecarriage
slowlyforwardtoinsertthespindleintothefemaleend
ofthepipesecuredinthelowerwrench.
Note:Tightenthejointuntilyoureachnomorethan
2,304N-m(1,700ft-lb).
25.Releasethewrenchandcontinuereaming/retraction
asneeded.
RemovingtheLastPipeandtheReamer
Important:Donotpullthedrillheadintothepipe
guideoryoumaydamagethemachineorthedrillhead.
1.Usingtheexit-side-lockouttransmitter,enabletheexit
sidelockout.
2.Afterthereamerhasclearedtheground,ifyouhave
notalreadydoneso,disconnecttheproductbeing
installedfromthereamer.
3.Connectthedrillinguidpumptoasourceofclean
water.
4.Turnthepumpontoushcleanwaterthroughthe
pump,spindle,andreameruntilthewaterrunsclear.
5.Removeandstorethelastpipe;refertoRemovingDrill
Pipes(page53).
6.Leavetheleadbarclampedinthelowerwrench,butdo
notconnectthedrillspindletotheleadbar.
7.Removethereamerfromtheendoftheleadbaras
directedbythereamermanufacturer.
8.Releasethelowerwrenchandpulltheleadbaroutof
thepipeguide.
FinishingtheJob
Completethefollowingaftereachdayofuse:
•Connectthehandsprayguntothepumpandcleanthe
machinewithcleanwater;refertoCleaningwiththe
Spray-HoseAttachment(page88).
•Addgreasetothegreasettings;refertoGreasingthe
Machine(page60).
•Iftheairtemperatureisbelowfreezingorwillbebefore
thenextuse,refertoPreparingtheDrilling-FluidSystem
forColdWeather(page87).
•Installthecontrolscovers;refertoOperator-Controls
Covers(page21).
•Flushthedrillinguidoutofthedrilling-uidpumpwith
waterorantifreeze.
Note:Thedrilling-uidpumpmaybedamagedifthe
drilling-uiddriesupinthepump.
UsingtheTJCApplicator
AdjustingtheApplicatorNozzle
Youcanadjusttheapplicatornozzletospraythread-joint
compound(TJC)eitherinafan-shapedsprayorasastream.
•Forfan-shapedspray—turnthesprayvalveontheside
ofthenozzlehorizontal(Figure54).
•Forastream—turnthesprayvalveonthesideofthe
nozzlevertical(Figure54).
Figure54
1.Sprayvalve—fan-shaped
spray(horizontal)
2.Sprayvalve—stream
(vertical)
54