riverhawk IM-125 Manual de usuario

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INSTRUCTIONMANUALIM‐125
ForGasTurbineandSteamTurbine
TensionedStudsandNuts
ApplicableBoltingConnections
Fr.7FAGasTurbineto7FH2Generator
Fr.7FAGasTurbinetoLoadCoupling
Fr.7FBGasTurbineto7FH2Generator
Fr.7FBGasTurbinetoLoadCoupling
LoadCouplingorSteamTurbineto7FH2Gen
ApplicableGEOrderingSheetPartNumbers
358A7202P001
358A7202P002
358A7202P012
358A7202P018
358A7202P020
358A7202P031
358A7202P032
361A5218P001
377A9477P001
377A9477P002
377A9477P003
377A9477P004
377A9477P005
377A9477P006
382A6121P003
382A6121P004
382A6121P006
GEPower&Water
GENERALELECTRICCOMPANY
MLI: ____ OF ____
DATE
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ISSUED:
THISDOCUMENTSHALLBEREVISEDINITSENTIRETY.ALLSHEETSOFTHISDOCUMENTARE
THESAMEREVISIONLEVELASINDICATEDINTHISVENDORSUPPLIEDDRAWINGAPPLIQUE.
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THISDOCUMENTISFILEDUNDERTHEGEDRAWINGNUMBER.
GENOTTOREVISE.GEREVISIONLEVELISSHOWNONTHISAPPLIQUE.
GESIGNATURES
CHECKED:
TheRiverhawk Company reserves the righttoupdatethisdocumentwithout dissemination ornotice.
ThelatestrevisionmaybeobtainedbycontactingRiverhawkCompanyorthruwww.riverhawk.com.

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TableofContents
Section Description PageNumber
1.0 CautionsandSafetyWarnings 3
2.0 ScopeandGEPartNumberCross‐Reference 4
3.0 QuickChecklist 6
4.0 GeneralPreparations 9
5.0 HardwareSetPreparations 11
6.0 StudandNutAssembly 14
7.0 HydraulicTensionerEquipmentAssembly 17
8.0 AssemblyofTensioneronStud 20
9.0 StudTensioning 23
10.0 ThreadLocking 25
11.0 StudandNutRemoval 26
12.0 StorageInstructions 30
13.0 FrequentlyAskedQuestions 31
14.0 RevisionHistory 33
AppendixA1 ECDeclarationofConformity 35
AppendixA2 UKCADeclarationofConformity 36
AppendixB1 18‐BoltTensioningPattern(GT‐LC)RecordSheet 37
AppendixB2 16‐BoltTensioningPattern(LC‐GEN)RecordSheet 38

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1.0CautionsandSafetyWarnings
WARNING
Impropertooluseandthefailuretofollowthecorrectproceduresaretheprimaryroot
causesoftoolfailuresandpersonalinjuries.Alackoftrainingorexperiencecanleadto
incorrecthardwareinstallationorincorrecttooluse.Onlytrainedoperatorswithcareful,
deliberateactionsshouldusehydraulictensioners.ContactRiverhawkCompanywithany
trainingneeds.
WARNING
Riskofhighpressurehydraulicfluidinjection.Riverhawktoolsoperateunderhighpressure.
Thoroughlyinspectallhosesandconnectionsfordamagepriortousingthisequipment.
CAUTION
Personalinjuryandequipmentdamagecanoccuriftheproperhealthandsafetycodesand
proceduresarenotfollowed.Contactthesite’shealthandsafetyofficetodetermineall
applicablesafetyrulesandregulations.
WARNING
Theproperpersonalprotectiveequipmentmustbewornatalltimes.Riverhawkrecommends
ataminimum,safetyglasses,longsleeveshirt,hardhat,heavyworkgloves,andsteeltoe
shoes.
CAUTION
Itisespeciallyimportanttochecktheconditionoftheconicalthreadusedtotensionthestud.
Threaddamagefrompreviousabusecanleadtofailureofthestudortensioningequipment
CAUTION
RiverhawkrecommendsthatthetensionershouldbereturnedtoRiverhawkforperiodic
inspections.Replacementofobsoletetensionersisrecommended.Functionalupgradesarealso
recommended.TheRiverhawkServiceReturnsCoordinatorshouldbenotified3‐6monthsprior
toaplannedoutagetoscheduleaninspectionservice.
WARNING
Adamagedburstdiscmustbereplacedwithawithaburstdiscofthesamedesignand
pressurerating.Donotsubstituteadamagedburstdiscwithadifferentdisctype,adifferent
pressurerating,oraforeignobject.
WARNING
Toavoidfailure,ensuresafety,andproperoperation,thetensionerassemblymustbeinstalled
onastudintheflangebeforebleedingandpressurizingthetensioner.Donotusethetensioner
atanypressureunlessthetoolisinstalledonastudinaflange.

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CAUTION
Donotoverextendthetensioner.Overextensioncancausethepistontoloseitssealandleak
oil.
CAUTION
Personalinjuryandequipmentdamagecanoccurifthepullerscrewisnotsecurelyengaged
withthetaperedthreadsofthestud.Properengagementisachievedwhenthepullerscrewis
tightinthestudandthetensionerassemblyisfreetoturn.
WARNING
Thesafetycagemustbeinplaceatalltimes.Whenthetensionerispressurizedhandsmustbe
keptoutofdesignatedareastoavoidanypotentialforpersonalinjury.
CAUTION
Beforethreadingthepullerscrewintothestud,carefullycheckthecleanlinessofboththe
stud'sandthepullerscrew'sconicalthreads.Applyalightcoatofcleanturbineoiloraspray
lubricanttothepullerscrew.Thisprocedurewilleaseassemblyandassurepositivematingof
thethreadsbeforetightening.Donotuse“NeverSeize”ontheconicalthreads.
CAUTION
Donottightenthenutwhilethetooliscominguptopressure;waituntilpressureisachieved
beforeattemptingtotightenthenutwiththespannerring.Ifthetoolisnotproperlyinstalled,
thetoolcouldjumpoffthestudwhilecominguptopressure.
CAUTION
Donotexceedthemaximumpressuremarkedonthetensioner.Excessivepressurecandamage
thestudandpullerscrew.
WARNING
FIREHAZARD:DONOTheatwhenpullerassemblyisinplace.Personalinjuryorequipment
damagemayoccur.UseofanOxy‐Acetylenetorchisnotrecommended
2.0Scope
Thisdocumentdescribestheproceduretobeusedtoinstallthestudandnutsetssuppliedby
theRiverhawkCompanyintheflangesattheTurbine/Coupling,Coupling/Generator,andSteam
Turbine/Generatorconnections.
ThevariousframeconfigurationscoveredinthismanualarelistedinSections2.1through2.6
withdifferencesasrelatedtoconnectivehardwaredefined.Listedalsoarethepertinent

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hardwaredrawings(HF‐xxxx).Thesedrawingsaswellastoolingdrawings(HT‐xxxx)formpartof
thismanual.
2.1Frame7FAGasTurbineto7FH2Generator
GEPARTNUMBER RIVERHAWKP/N GEVENDOCP/N
GE358A7202P001
GE358A7202P002
GE358A7202P012
HF‐0771
HF‐0771
HF‐0771
GE359B2514
GE359B2514
GE359B2514
ThehydraulictoolusedforinstallationandremovalisRiverhawkHT‐0342.
ThesehardwaredrawingsdepictthecompletestudandnutpackagefortheGasTurbineto
LoadCoupling(2‐1/4”size,Qty18)aswellastheLoadCouplingtoGenerator(2‐3/4”size,Qty
16).
2.2Frame7FAGasTurbinetoLoadCoupling
GEPARTNUMBER RIVERHAWKP/N GEVENDOCP/N
GE358A7202P031
GE358A7202P032
GE361A5218P001
HF‐2447
HF‐2447
HF‐2447
GE359B2539
GE359B2539
GE359B2539
ThehydraulictoolusedforinstallationandremovalisRiverhawkHT‐0342.
ThesehardwaredrawingsdepictthecompletestudandnutpackagefortheGasTurbineto
LoadCoupling(2‐1/4”size,Qty18).
2.3Frame7FBGasTurbineto7FH2Generator
GEPARTNUMBER RIVERHAWKP/N GEVENDOCP/N
GE377A9477P001
GE377A9477P002
HF‐0771
HF‐0771
GE359B2514
GE359B2514
ThehydraulictoolusedforinstallationandremovalisRiverhawkHT‐0342.
ThesehardwaredrawingsdepictthecompletestudandnutpackagefortheGasTurbineto
LoadCoupling(2‐1/4”size,Qty18)aswellastheLoadCouplingtoGenerator(2‐3/4”size,Qty
16).

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2.4Frame7FBGasTurbinetoLoadCoupling
GEPARTNUMBER RIVERHAWKP/N GEVENDOCP/N
GE377A9477P006 HF‐2447 GE359B239
ThehydraulictoolusedforinstallationandremovalisRiverhawkHT‐0342.
ThesehardwaredrawingsdepictthecompletestudandnutpackagefortheGasTurbineto
Load.
2.5LoadCouplingorSteamTurbineto7FH2Generator
GEPARTNUMBER RIVERHAWKP/N GEVENDOCP/N
GE358A7202P018
GE382A6121P003
GE382A6132P004
GE377A9477P003
GE377A9477P005
HF‐0803
HF‐0803
HF‐0803
HF‐0803
HF‐0803
GE359B2520
GE359B2520
GE359B2520
GE359B2520
GE359B2520
ThehydraulictoolusedforinstallationandremovalisRiverhawkHT‐0342.
ThesehardwaredrawingsdepictthecompletestudandnutpackagefortheLoadCouplingor
SteamTurbinetoGenerator(2‐3/4”size,Qty16).
2.6HydraulicTooling
GEPARTNUMBER RIVERHAWKP/N GEVENDOCP/N
GE358A7202P020
GE382A6121P006
GE377A9477P004
HT‐0342
HT‐0342
HT‐0342
GE359B2500
GE359B2500
GE359B2500
3.0QuickChecklist
ThefollowingchecklistisintendedasasummaryofthestepsneededtousetheRiverhawk‐
suppliedequipment.Newpersonnelorthoseexperiencedpersonnelwhohavenotusedthe
Riverhawkequipmentrecentlyareencouragedtoreadtheentiremanual.
EQUIPMENTINSPECTION
□Checkoillevelinhydraulicpump.

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□Checkairpressureat80psi[5.5bar]minimum.(Forair‐drivenpumps)
□Checkhydraulichosefordamage.
□Testpump.
□nspecttensionerforanydamage.
NUTANDSTUDPREPARATION
□Inspectstudsandnutsforanydamage.
□Cleanthestudsandnuts.
□Measurestudlengths.(VERYIMPORTANT)
□Installstudsandnutsintotheflange.
□Setstick‐outdimensiononthecouplingsideoftheflange.
□Handtightennutsonturbine/generatorsideofflange.
□Verifystick‐outmeasurement(VERYIMPORTANT)
TENSIONING(BoltInstallation)
□Checktensionerdrawingforcorrectpartsandpartnumbers.
□Applyalightcoatofcleanturbineoilorspraylubricanttothepullerscrew.DONOTUSE
“NEVERSEIZE”ONTHECONICALTHREADS.
□Slidespannerringoverthepullerscrew.
□Installthetensioneronthestudinflangeandslidespannerringontonut.
□Insert1/2”hexAllenwrenchintothebacksideofthestud.

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□Tightenthepullerscrew.Thenbackoffpullerscrew1/2aturn.
□Retightenthepullerscrewandleavetight.DONOTBACKOFFPULLERSCREW.
□Bleedthetensioner.DoNOTbleedtensioneroffofastud!Damagetothetoolwill
result!
□Tensionto50%.Consultmanualforcorrectpressure.
□Usethepinwrenchinspannerringtotightennut.
□Releasepressure,movetonextstudinpattern.
□Repeatabovestepsatfinalpressure.
□Measurefinalstudlengthandrecordonstretchdatasheets.Calculatestretch.
□Torquethenuts'setscrews.
DETENSIONING(StudRemoval)
□Loosennuts'setscrews
□
Inspectandcleanstuds'conicalthreads.DonotcontinueuntilALLdebrisisremoved
fromthethreads!SeeinstructionmanualIM‐220.Donottrytousethetensionerto
removeadamagedstud!
□Applyalightcoatofcleanturbineoilorspraylubricanttothepullerscrew.DONOTUSE
“NEVERSEIZE”ONTHECONICALTHREADS.
□Slidespannerringoverthepullerscrew.
□Installthetensioneronthestud.
□Installspannerringintonut.
□Tightenthepullerscrew.Thenbackoffpullerscrew1/2aturn.

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□Retightenthepullerscrewandleavetight.DONOTBACKOFFPULLERSCREW.
□Bleedthetensioner.DoNOTbleedtensioneroffofastud!Damagetothetoolwill
result!
□Applyfinalpressure.
□Loosennutwiththespannerringandpinwrench.
□Movetonextstudinpattern
4.0GeneralPreparations
Readandunderstandallinstructionsbeforeinstallingandtensioningstuds.
OperatorsshouldbetrainedorhavepreviousexperienceusingRiverhawktensioning
equipment.Trainingwillminimizethechanceofimproperuseoftheequipment.
Thehydraulictoolingincludingthehydraulichosesshouldbeinspectedpriortouse.Inspection
guidelinesarelistedinthefollowingsub‐sections.
Thisequipmentproducesveryhighhydraulicpressuresandveryhighforces.Operatorsmust
exercisecautionandweartheappropriatepersonalprotectiveequipmentwhenhandlingand
operatingthehydraulictooling.
High‐pressureoilfromthehydraulicpumppressurizesthetensionerwhichgeneratesavery
largeforcethatactuallystretchesthestud.Asthestudisstretchedthenutliftsofftheflange.
Thenutisthenturnedbyhandusingthesuppliedspannerring.Oncethenutistightagainstthe
flange,thepressureinthetensionerisreleased.Thehardwareisnowclampingtheflange
together.
4.1MachinePreparation
Theflangetobetensionedmustbefullyclosedpriortopositioningofstudsintheflanges.
Turningtheturbineandgeneratorshaftsisnotrequired,butmaybeuseful.Also,itwillbe
advantageoustoremoveasmanyobstructionsaspossiblefromtheflangearea,suchasspeed
probes,shippingplates,andconduit.

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4.2Hardware–Balance
Hardwareissuppliedasweightbalancedsets.StudsandNutsareinterchangeablewithinsets.
Donotintermixsets.
Savetheweightcertificationsuppliedwitheachset.Itwillbeneededforthepurchaseof
replacementhardware.
4.3Tensioner–CareandHandling
Whennotinuse,thetensionershallbemaintainedinacleanenvironmentandallcapsand
plugsforhydraulicopeningsandfittingsmustbeinplace.
UseISO32gradeoil.
Wheninuse,thetensionershallbeprotectedfromsandandgrit.
Seesection12forlongtermstoragerequirements.
4.4HandTools
Severalhandwrenchesandmicrometerswillberequiredtoperforminstallationand
measurementofthestuds:
5/8”wrench AsetofAllenWrenches 9”to10”micrometer
1”wrench 3’–4’BreakerBar 10”to11”micrometer
4.5SpecialTools
HydraulicTensionerKit: HT‐0342HydraulicTensioner
(referenceGEVENDOC359B2500)
ObsoleteHydraulicTensionerKits: HT‐0835HydraulicTensioner
(OBSOLETE,replacedbyHT‐0342)
HydraulicPumpKit: AP‐0532Air‐OperatedHydraulicPump
(recommended)
(referenceGEVENDOC359B2502)
Tabla de contenidos
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