New Holland Workmaster 45 User manual

SERVICEMANUAL
Workmaster45
Workmaster55
_84269847_16/04/2010

Contents
INTRODUCTION
HYDRAULIC-PNEUMATIC-ELECTRICAL-ELECTRONICSYSTEMSA
PRIMARYHYDRAULICPOWERSYSTEM...............................................A.10.A
PRIMARYHYDRAULICPOWERSYSTEMOpencentermechanicalremotevalve......A.10.D
HYDRAULICCOMMANDSYSTEM.......................................................A.14.A
ELECTRICALPOWERSYSTEM.........................................................A.30.A
LIGHTINGSYSTEM.......................................................................A.40.A
ENGINEANDPTOIN....................................................................B
ENGINE...................................................................................B.10.A
FUELANDINJECTIONSYSTEM.........................................................B.20.A
AIRINTAKESYSTEM.....................................................................B.30.A
EXHAUSTSYSTEM.......................................................................B.40.A
ENGINECOOLANTSYSTEM............................................................B.50.A
LUBRICATIONSYSTEM..................................................................B.60.A
STARTINGSYSTEM......................................................................B.80.A
TRANSMISSION,DRIVEANDPTOOUT.........................................C
POWERCOUPLINGClutch..............................................................C.10.C
TRANSMISSIONMechanical.............................................................C.20.B
REARPTOMechanical...................................................................C.40.B
AXLES,BRAKESANDSTEERING..................................................D
FRONTAXLE.............................................................................D.10.A
REARAXLE...............................................................................D.12.A
2WD-4WDSYSTEMMechanical..........................................................D.14.B
STEERINGHydraulic.....................................................................D.20.C
SERVICEBRAKEMechanical............................................................D.30.B
PARKINGBRAKEMechanical............................................................D.32.B
FRAMEANDCAB.........................................................................E
SHIELD....................................................................................E.20.A
USERCONTROLSANDSEAT...........................................................E.32.A
_84269847_16/04/2010
Find manuals at https://best-manuals.com

USERPLATFORM........................................................................E.34.A
SAFETYSECURITYACCESSORIESSafety.............................................E.50.B
_84269847_16/04/2010
Find manuals at https://best-manuals.com

_84269847_16/04/2010
Find manuals at https://best-manuals.com

INTRODUCTION
_84269847_16/04/2010
1
Find manuals at https://best-manuals.com

Contents
INTRODUCTION
Foreword........................................................................................3
ForewordEcologyandtheEnvironment........................................................4
Legaladvice....................................................................................5
Internationalsymbol............................................................................6
Safetyrules.....................................................................................7
BasicinstructionsHardware..................................................................11
TorqueSpecicationT ables...................................................................12
Generalspecication.........................................................................17
Generalspecication-BiodieselFuels.......................................................23
Dimension....................................................................................24
Consumables.................................................................................27
Productidentication..........................................................................28
_84269847_16/04/2010
2
Find manuals at https://best-manuals.com

INTRODUCTION
Foreword
ThisrepairmanualprovidesthetechnicalinformationneededtoproperlyservicetheNewHollandWORKMASTER
45andWORKMASTER55modeltractors.Usethismanualinconjunctionwiththeoperator’smanualforcomplete
operation,adjustment,andmaintenanceinformation
OnNewHollandequipment,leftandrightaredeterminedbystandingbehindtheunit,lookinginthedirectionoftravel.
_84269847_16/04/2010
3
Find manuals at https://best-manuals.com

INTRODUCTION
ForewordEcologyandtheEnvironment
Soil,air,andwaterarevitalfactorsofagricultureandlifeingeneral.Whenlegislationdoesnotyetrulethetreatment
ofsomeofthesubstanceswhicharerequiredbyadvancedtechnology,commonsenseshouldgoverntheuseand
disposalofproductsofachemicalandpetrochemicalnature.
NOTICE:Thefollowingarerecommendationswhichmaybeofassistance:
•Becomeacquaintedwithandensurethatyouunderstandtherelativelegislationapplicabletoyourcountry.
•Wherenolegislationexists,obtaininformationfromsuppliersofoils,lters,batteries,fuels,antifreeze,cleaning
agents,etc.,withregardtotheireffectonmanandnatureandhowtosafelystore,useanddisposeofthese
substances.
•Agriculturalconsultantswill,inmanycases,beabletohelpyouaswell.
HELPFULHINTS
•Avoidllingtanksusingcansorinappropriatepressurizedfueldeliverysystemswhichmaycauseconsiderable
spillage.
•Ingeneral,avoidskincontactwithallfuels,oils,acids,solvents,etc.Mostofthemcontainsubstanceswhichmay
beharmfultoyourhealth.
•Modernoilscontainadditives.Donotburncontaminatedfuelsandorwasteoilsinordinaryheatingsystems.
•Avoidspillagewhendrainingoffusedenginecoolantmixtures,engine,gearboxandhydraulicoils,brakeuids,
etc.Donotmixdrainedbrakeuidsorfuelswithlubricants.Storethemsafelyuntiltheycanbedisposedofina
properwaytocomplywithlocallegislationandavailableresources.
•Moderncoolantmixtures,i.e.antifreezeandotheradditives,shouldbereplacedeverytwoyears.Theyshould
notbeallowedtogetintothesoilbutshouldbecollectedanddisposedofproperly.
•Donotopentheair-conditioningsystemyourself.Itcontainsgaseswhichshouldnotbereleasedintotheatmos-
phere.YourNEWHOLLANDdealerorairconditioningspecialisthasaspecialextractorforthispurposeandwill
havetorechargethesystemproperly.
•Repairanyleaksordefectsintheenginecoolingorhydraulicsystemimmediately.
•Donotincreasethepressureinapressurizedcircuitasthismayleadtoacomponentfailure.
•Protecthosesduringweldingaspenetratingweldsplattermayburnaholeorweakenthem,allowingthelossof
oils,coolant,etc.
_84269847_16/04/2010
4
Find manuals at https://best-manuals.com

INTRODUCTION
Legaladvice
BT09A2131
_84269847_16/04/2010
5
Find manuals at https://best-manuals.com

INTRODUCTION
Internationalsymbol
Asaguidetotheoperationofthemachine,variousuniversalsymbolshavebeenutilizedontheinstruments,controls,
switches,andfusebox.Thesymbolsareshownbelowwithanindicationoftheirmeaning.
Thermostart
startingaidRadioPTOPosition
Control
Alternator
charge
Keepalive
memory
Transmission
inneutral
Draft
Control
FuellevelTurnsignalsCreeper
gears
Accessory
socket
Automatic
Fuelshut-off
Turnsignals
-onetrailer
Slowor
lowsetting
Implement
socket
Enginespeed
(rev/minx100)
Turnsignals
-twotrailers
Fastorhigh
setting
%age
slip
Hoursrecorded
Frontwind-
screen
wash/wipe
Ground
speed
Hitchraise
(rear)
Engineoil
pressure
Rearwind-
screen
wash/wipe
Differential
lock
Hitchlower
(rear)
Enginecoolant
temperature
Heatertemp-
eraturecontrol
Rearaxle
oiltem-
perature
Hitchheight
limit(rear)
Coolant
levelHeaterfanTransmission
oilpressure
Hitchheight
limit(front)
TractorlightsAirconditionerFWD
engaged
Hitchdis-
abled
Headlamp
mainbeam
Airlter
blocked
FWDdis-
engaged
Hydraulicand
transmission
lters
Headlamp
dippedbeam
Parking
brakeWarning!Remote valveextend
WorklampsBrakeuid
level
Hazard
warninglights
Remote
valveretract
Stop
lamps
Trailer
brake
Variable
control
Remote
valveoat
HornRoof
beacon
Pressurised!
Opencarefully
Malfunction!
SeeOperator’s
Manual
Warning!
Corrosive
substance
Malfunction!
(alter-
nativesymbol)
_84269847_16/04/2010
6
Find manuals at https://best-manuals.com

INTRODUCTION
Safetyrules
PRECAUTIONARYSTATEMENTS
PersonalSafety
Throughoutthismanualandonmachinesigns,youwillndprecautionarystatements("DANGER","WARNING",and
"CAUTION")followedbyspecicinstructions.Theseprecautionsareintendedforthepersonalsafetyofyouand
thoseworkingwithyou.Pleasetakethetimetoreadthem.
DANGER
Thisword"DANGER"indicatesanimmediatehazardoussituationthat,ifnotavoided,willresultindeathor
seriousinjury.ThecolorassociatedwithDangerisRED.
M1169
WARNING
Thisword"WARNING"indicatesapotentiallyhazardoussituationthat,ifnotavoided,couldresultindeath
orseriousinjury.ThecolorassociatedwithWarningisORANGE.
M1170
CAUTION
Thisword"CAUTION"indicatesapotentiallyhazardoussituationthat,ifnotavoided,mayresultinminoror
moderateinjury.Itmayalsobeusedtoalertagainstunsafepractices.ThecolorassociatedwithCautionis
YELLOW.
M1171
FAILURETOFOLLOWTHE"DANGER","WARNING",AND"CAUTION"INSTRUCTIONSMAY
RESULTINSERIOUSBODILYINJURYORDEATH.
MachineSafety
Theprecautionarystatement("IMPORTANT")isfollowedbyspecicinstructions.Thisstatementisintendedforma-
chinesafety.
NOTICE:Theword"IMPORTANT"isusedtoinformthereaderofsomethingtheyneedtoknowtopreventminor
machinedamageifacertainprocedureisnotfollowed.
Information
NOTE:Instructionsusedtoidentifyandpresentsupplementaryinformation.
LEGALOBLIGATIONS
Thismachinemaybeequippedwithspecialguardingorotherdevicesincompliancewithlocallegislation.Someof
theserequireactiveusebytheoperator.Therefore,checklocallegislationontheusageofthismachine.
ACCIDENTPREVENTION
Mostaccidentsorinjuriesthatoccurinworkshopsaretheresultofanoncompliancetosimpleandfundamental
safetyregulations.Forthisreason,INMOSTCASESTHESEACCIDENTSCANBEAVOIDEDbyforeseeingpossible
causesandconsequentlyactingwiththenecessarycautionandcare.
Accidentsmayoccurwithalltypesofmachines,regardlessofhowwellthemachineinquestionwasdesignedand
built.
Acarefulandinformedservicetechnicianisthebestguaranteeagainstaccidents.
Decisiveawarenessofthemostbasicsafetyruleisnormallysufcienttoavoidmanyseriousaccident.
_84269847_16/04/2010
7

INTRODUCTION
DANGER
Shutdownthemachine,removekey,besureallmovingpartshavestoppedandallpressureinthesystems
isrelievedbeforecleaning,adjustingorlubricatingtheequipment.Failuretocomplywillresultindeathor
seriousinjury.
M871
SAFETYREQUIREMENTSFORFLUIDPOWERSYSTEMSANDCOMPONENTS-HY-
DRAULICS(EUROPEANSTANDARDPREM982)
Flexiblehoseassembliesmustnotbeconstructedfromhoseswhichhavebeenpreviouslyusedaspartofahose
assembly.
Donotweldhydraulicpiping.
Whenexiblehosesorpipingaredamaged,replacethemimmediately.
Itisforbiddentomodifyahydraulicaccumulatorbymachining,weldingoranyothermeans.
Beforeremovinghydraulicaccumulatorsforservicing,theliquidpressureintheaccumulatorsmustbereducedto
zero.
Pressurecheckonhydraulicaccumulatorsshallbecarriedoutbymethodrecommendedbytheaccumulatormanu-
facturer.
Caremustbetakennottoexceedthemaximumallowablepressureoftheaccumulator.Afteranycheckoradjustment
theremustbenoleakageofgas.
SAFETYRULES
Acarefuloperatoristhebestoperator.Mostaccidents
canbeavoidedbyobservingcertainprecautions.To
helppreventaccidents,readandtakethefollowing
precautionsbeforeoperatingthistractor.Equipment
shouldbeoperatedonlybythosewhoareresponsible
andinstructedtodoso.
THETRACTOR
1.ReadtheOperator’sManualcarefullybeforeusingthetractor.Lackofoperatingknowledgecanleadtoaccidents.
2.Useanapprovedrollbarandseatbeltforsafeoperation.Overturningatractorwithoutarollbarcanresultin
deathorinjury.Ifyourtractorisnotequippedwitharollbarandseatbelt,seeyourNEWHOLLANDDealer.
3.Alwaysusetheseatbelt.Theonlyinstancewhentheseatbeltshouldnotbeusedisiftherollbarhasbeen
removedfromthetractororfoldingROPSisindownposition.
4.Ifafrontendloaderistobeinstalled,alwaysuseaFOPS(FallingObjectProtectiveStructure)canopytoavoid
injuryfromfallingobjects.
5.Usethehandholdsandstepplateswhengettingonandoffthetractortopreventfalls.Keepstepsandplatform
clearedofmudanddebris.
6.Donotpermitanyonebuttheoperatortorideonthetractor.Thereisnosafeplaceforextrariders.
7.Keepallsafetydecalscleanofdirtandgrime,andreplaceallmissing,illegible,ordamagedsafetydecals.See
thelistofdecalsintheDecalsectionofthismanual.
SERVICINGTHETRACTOR
1.Thecoolingsystemoperatesunderpressurewhichiscontrolledbytheradiatorcap.Itisdangeroustoremove
thecapwhilethesystemishot.Alwaysturnthecapslowlytotherststopandallowpressuretoescapebefore
removingthecapentirely.
2.Keepanytypeofopenameawayfromthetractoranddonotsmokewhilerefueling.Waitfortheenginetocool
beforerefueling.
3.Keepthetractorandequipment,particularlybrakesandsteering,maintainedinareliableandsatisfactorycondition
toensureyoursafetyandcomplywithlegalrequirements.
4.Keepopenameorcoldweatherstartingaidsawayfromthebatterytopreventresorexplosions.Usejumper
cablesaccordingtoinstructionstopreventsparkswhichcouldcauseexplosion.
5.Stoptheenginebeforeperforminganyserviceonthetractor.
_84269847_16/04/2010
8

INTRODUCTION
6.Escapinghydraulic/dieseluidunderpressurecanpenetratetheskincausingseriousinjury.Ifuidisinjectedinto
theskin,obtainmedicalattentionimmediatelyorgangrenemayresult.
•DONOTuseyourhandtocheckforleaks.
•Useapieceofcardboardorpapertosearchforleaks.
•Stoptheengineandrelievepressurebeforeconnectingordisconnectinglines.
•Tightenallconnectionsbeforestartingtheengineorpressurizinglines.
7.Donotmodifyorpermitanyoneelsetomodifyoralterthistractororanyofitscomponentsorfunctionswithout
rstconsultingaNEWHOLLANDDealer.
8.Thefueloilintheinjectionsystemisunderhighpressureandcanpenetratetheskin.Unqualiedpersonsshould
notremoveorattempttoadjustapump,injector,nozzle,oranyotherpartofthefuelinjectionsystem.Failureto
followtheseinstructionscanresultinseriousinjury.
9.Continuouslong-termcontactwithusedengineoilmaycauseskincancer.Avoidprolongedcontactwithused
engineoil.Washskinpromptlywithsoapandwater.
10.Somecomponentsofyourtractor,suchasgasketsandfrictionsurfaces(brakelinings,clutchlinings,etc.)may
containasbestos.Breathingasbestosdustisdangeroustoyourhealth.Youareadvisedtohaveanymaintenance
orrepaironsuchcomponentscarriedoutbyanauthorizedNEWHOLLANDDealer.However,ifserviceoperations
aretobeundertakenonpartsthatcontainasbestos,theessentialprecautionslistedbelowmustbeobserved:
•Workoutofdoorsorinawellventilatedarea.
•Dustfoundonthetractororproducedduringworkonthetractorshouldberemovedbyextraction,notby
blowing.
•Dustwasteshouldbedampened,placedinasealedcontainer,andmarkedtoensuresafedisposal.
•Ifanycutting,drilling,etc.isattemptedonmaterialscontainingasbestos,theitemshouldbedampenedand
onlyhandtoolsorlowspeedpowertoolsused.
OPERATINGTHETRACTOR
1.Beforestartingthetractor,applytheparkingbrake,placethePTOleverinthe’OFF’position,theliftcontrollever
inthedownposition,theremotecontrolvalveleversintheneutralposition,andthetransmissioninneutral.
2.Alwayssitinthetractorseatwhenstartingtheengineoroperatingcontrols.Donotstarttheengineoroperate
controlswhilestandingbesidethetractor.
3.Donotbypasstheneutralstartswitches.ConsultyourNEWHOLLANDDealerifyourneutralstartcontrolsmal-
function.Usejumpercablesonlyintherecommendedmanner.Improperusecanresultintractorrunaway.
4.Avoidaccidentalcontactwiththegearshiftleverwhiletheengineisrunning,asthiscancauseunexpectedtractor
movement.
5.Beforegettingoffthetractor,disengagethePTO,turntheengineoff,andapplytheparkingbrake.Nevergetoff
thetractorwhileitisinmotion.
6.Donotparkthetractoronasteepincline.
7.Donotoperatethetractorengineinanenclosedbuildingwithoutadequateventilation.Exhaustfumescancause
deathorillness.
8.Ifthepowersteeringorengineceasesoperating,stopthetractorimmediately.
9.Pullonlyfromthedrawbarorthelowerlinkdrawbarinthedownposition.Useonlyadrawbarpinthatlocksin
place.Pullingfromthetractorrearaxleoranypointabovetheaxlemaycausethetractortoupset.
10.1Ifthefrontendofthetractortendstorisewhenheavyimplementsareattachedtothethree-pointhitch,install
frontendorfrontwheelweights.Donotoperatethetractorwithalightfrontend.
11.Alwayssetthehydraulicselectorleverinpositioncontrolwhenattachingortransportingequipment.Ensurehy-
drauliccouplersareproperlymountedandwilldisconnectsafelyincaseofaccidentaldetachmentofimplement
12.Donotleaveequipmentintheraisedposition.
13.Usetheasher/turnsignallightsandSMVsignswhentravelingonpublicroadsbothdayandnight(unlesspro-
hibitedbylaw).
14.Whenoperatingatnight,adjustlightstopreventblindingoncomingdrivers.
DRIVINGTHETRACTOR
_84269847_16/04/2010
9

INTRODUCTION
1.Watchwhereyouaregoing,especiallyatrowends,onroads,aroundtreesandlowhangingobstacles.
2.Toavoidupsets,drivethetractorwithcareandatasafespeed.Useextracautionwhenoperatingoverrough
ground,whencrossingditchesorslopes,andwhenturningcorners.
3.Toprovidetwo-wheelbraking,locktractorbrakepedalstogetherwhentransportingonroads.
4.Donotcoastorfreewheeldownhills.Usethesamegearwhengoingdownhillasisusedwhengoinguphill.
5.Anytowedvehiclewithatotalweightexceedingthatofthetowingtractorshouldbeequippedwithbrakesforsafe
operation.
6.Ifthetractorbecomesstuckorthetiresbecomefrozentotheground,backupthetractortopreventupset.
7.Alwayscheckoverheadclearance,especiallywhentransportingthetractor.
8.Whenoperatingatnight,adjustlightstopreventblindingoncomingdrivers.
OPERATINGTHEPTO
1.WhenoperatingPTOdrivenequipment,shutofftheengineandwaituntilthePTOstopsbeforegettingoffthe
tractoranddisconnectingtheequipment.
2.Donotwearlooseclothingwhenoperatingthepowertake-offorwhennearrotatingequipment.
3.WhenoperatingstationaryPTOdrivenequipment,alwaysplaceallgearshiftleversinneutralposition.
4.Toavoidinjury,donotclean,adjust,unclog,orservicePTOdrivenequipmentwhenthetractorengineisrunning.
5.EnsurethePTOmastershieldisinstalledatalltimes.AlwaysreplacethePTOshieldcapwhenthePTOisnotin
use.
DIESELFUEL
1.UNDERNOCIRCUMSTANCESshouldgasoline,alcohol,orblendedfuelsbeaddedtodieselfuel.Thesecombi-
nationscancreateanincreasedreorexplosivehazard.Suchblendsaremoreexplosivethanpuregasolineina
closedcontainersuchasafueltank.DONOTUSETHESEBLENDS.
2.Neverremovethefuelcaporrefuelwiththeenginerunningorhot.
3.Donotsmokewhilerefuelingorwhenstandingnearfuel.
4.Maintaincontrolofthefuelllerpipenozzlewhenllingthetank.
5.Donotllthefueltanktocapacity.Allowroomforexpansion.
6.Wipeupspilledfuelimmediately.
7.Alwaystightenthefueltankcapsecurely.
8.Iftheoriginalfueltankcapislost,replaceitwithaNEWHOLLANDapprovedcap.Anon-approved,proprietary
capmaynotbesafe.
9.Keepequipmentcleanandproperlymaintained.
10.Donotdriveequipmentnearopenres.
11.Neverusefuelforcleaningpurposes.
12.Arrangefuelpurchasessothatwintergradefuelsarenotheldoverandusedinthespring.
SAFETYFRAME(ROPS)
YourNEWHOLLANDtractorisequippedwithasafetyframe.Itmustbemaintainedinaserviceablecondition.Be
carefulwhendrivingthroughdoorwaysorworkinginconnedspaceswithlowheadroom.
UNDERNOCIRCUMSTANCESshouldyou:
•Modify,drill,oralterthesafetyframeinanyway.Doingsomayrenderyouliabletolegalprosecution.
•Attempttostraightenorweldanypartofthemainframeorretainingbracketswhichhavesuffereddamage.Doing
somayweakenthestructureandendangeryoursafety.
•Secureanypartsonthemainframeorattachyoursafetyframewithanythingotherthanthespecialhightensile
boltsandnutsspecied.
•Attachchainsorropestothemainframeforpullingpurposes.
•Takeunnecessaryriskseventhoughyoursafetyframeaffordsyouthemaximumprotectionpossible.
_84269847_16/04/2010
10

INTRODUCTION
BasicinstructionsHardware
General
Yourtractorhasbeenbuiltusingmetrichardware.
NOTE:Besuretousethehardwarespeciedwhenusingtappedholes,astryingtoinstallametricboltinaninch
thread,oraninchboltinametricthread,willdamagethethread.
Certainhardwaremustbetightenedtospecictorquespecications.Ifspecictorquespecicationsarenotnoted,
tightenthehardwaretothestandardtorquechartspecicationlistedinthismanual.
Plating
HardwareusedonNEWHOLLANDbalersisplatedwithzincchromate(goldcolor).Goldcoloredhardwarehas
differenttorquingrequirementsfromunplatedorzincplated(silvercolor)hardwarebecauseofthedifferenceinthe
coefcientoffrictionoftheplatingmaterial.Thetorquechartsinthismanuallistthecorrectspecicationsforgold,
silver,andunplatedbolts.
NutTightening
Wheneverpossible,thenutshouldbetightened,nottheheadofthebolt.Whentighteningusingthebolthead,the
clamploadcanbelostbecausesomeofthetorqueappliedtwiststheboltinsteadoftensioning(stretching)it.The
tensionontheboltiswhatholdsthejointtogether.
Approximately90%ofthetorqueappliedduringassemblygoestoovercomingfrictionbetweentheparts.Theother
10%isusedtotension(stretch)thebolt.Afterassembly,thefrictionalforcesdisappear,whichisthebasisforthe
saying’Ifitdoesnotfailduringassembly,itwillnotfailinservice.’Theboltmaylaterfailduetootherfactors,butnot
frombeingovertightened.
Locknuts
Mostlocknutsarecoatedwithaspeciallubricantthatisdrytothetouch.Anytimealocknutisused,alowerthan
normaltorqueisrequired.Refertothetorquechartsinthismanualforspecicvalues.
JamNuts
Whenusingajamnuttolockaregularnut,thejamnutshouldbeinstalledrstandtightenedtoonehalftherecom-
mendedtorque,thenheldinplacewhileinstallingaregularnuttotherecommendedtorque.
ThreadLubrication
Theadditionofantiseizecompound,Molykote,oil,graphite,oranyotherlubricanttoaboltdecreasesthefriction
betweenitandanut.Thismakesitnecessarytoreducetherecommendedtorquetopreventovertensioningofthe
bolt.Whenusingthetorquechartsinthismanual,decreasethevalueby20%wheneveralubricantisused.
_84269847_16/04/2010
11

INTRODUCTION
TorqueSpecicationTables
StandardBoltHardware&HydraulicConnectorTorques,SpecicationsandInformation
Thisspecicationestablishesgeneraltorquevaluestobeusedinboltedjointsformetricandinchhardware.This
specicationisassumedtoapplyunlessanotherspecication(standardorspeciedrequirement)isindicatedinthe
repairmanual.
NOTE:TheseStandardsdonotincludeelectricalorhydrauliccomponents,theyarereferredtointheirspeciccharts
ortables.
INCH’NON-FLANGED’HARDWAREANDLOCKNUTS{MINIMUMHARDWARETIGHTENINGTORQUES}
INNEWTON-METERS(FOOT-POUNDS)FORNORMALASSEMBLYAPPLICATIONS
SAEGRADE2SAEGRADE5SAEGRADE8LOCKNUTS
Nominal
Size
Unplated
orPlated
Silver
Plated
w/ZnCr
Gold
Unplated
orPlated
Silver
Plated
w/ZnCr
Gold
Unplated
orPlated
Silver
Plated
w/ZnCr
Gold
Gr.B
w/Gr5Bolt
Gr.C
w/Gr8Bolt
1/46.2(55)*8.1(72)*9.7(86)*13(112)*14(121)*18(157)*8.5(75)*12.2(109)*
5/1613(115)*17(149)*20(178)*26(229)*28(21)37(27)17.5(155)*25(220)*
3/823(17)30(22)35(26)46(34)50(37)65(48)31(23)44(33)
7/1637(27)47(35)57(42)73(54)80(59)104(77)50(37)71(53)
1/257(42)73(54)87(64)113(83)123(91)159(117)76(56)108(80)
9/1681(60)104(77)125(92)163(120)176(130)229(169)111(82)156(115)
5/8112(83)145(107)174(128)224(165)244(180)316(233)153(113)215(159)
3/4198(146)256(189)306(226)397(293)432(319)560(413)271(200)383(282)
7/8193(142)248(183)495(365)641(473)698(515)904(667)437(323)617(455)
1289(213)373(275)742(547)960(708)1048(773)1356
(1000)
654(483)924(681)
NOTE:T orquevaluesshownwith*areinchpounds.
NOTICE:Valuesshownonthesechartsareminimumhardwaretighteningtorquesunlessotherwisestated.
METRIC’NON-FLANGED’HARDWAREANDLOCKNUTS{MINIMUMHARDWARETIGHTENINGTORQUES}
INNEWTON-METERS(FOOT-POUNDS)FORNORMALASSEMBLYAPPLICATIONS
CLASS5.8CLASS8.8CLASS10.9LOCK-
NUTS
Nominal
Size
UnplatedPlated
w/ZnCr
UnplatedPlated
w/ZnCr
UnplatedPlated
w/ZnCr
Cl.8
w/Cl8.8Bolt
M41.7(15)*2.2(19)*2.6(23)*3.4(30)*3.7(33)*4.8(42)*2.3(20)*
M65.8(51)*7.6(67)*8.9(79)*12(102)*13(115)*17(150)*7.8(69)*
M814(124)*18(159)*22(195)*28(21)31(23)40(30)19(169)*
M1028(21)36(27)43(32)56(41)61(45)79(58)38(28)
M1249(36)63(46)75(55)97(72)107(79)138(102)66(49)
M16121(89)158(117)186(137)240(177)266(196)344(254)164(121)
M20237(175)307(226)375(277)485(358)519(383)671(495)330(243)
M24411(303)531(392)648(478)839(619)897(662)1160(855)572(422)
NOTE:T orquevaluesshownwith*areinchpounds.
_84269847_16/04/2010
12

INTRODUCTION
SAEHARDWAREIDENTIFICATIONCHART
Grade1or258
SAEMarkingsfor
BoltsandCapScrews
SAEMarkingsfor
HexNuts
GradeA-B-C
Locknuts
A(NoNotches)B(ThreeMarks)C(SixMarks)
METRICHARDWAREIDENTIFICATIONCHART
Class5.88.810.9
HexCapScrewand
CarriageBolts
Locatedonthefaceorat,
onthecapofthebolt
Locatedonthefaceorat,
onthecapofthebolt
Locatedonthefaceorat,
onthecapofthebolt
HexNutsand
Locknuts
Locatedonthefaceorat
ofthenut
Locatedonthefaceorat
ofthenut
Locatedonthefaceorat
ofthenut
Metriccapscrewsandnutsareidentiedbythegradenumberstampedontheheadofthe
capscreworonthesurfaceofthenuts.U.S.customarycapscrewsareidentiedbyradial
linesstampedontheheadofthecapscrew.
DEFINITIONS:
1.Break-AwayT orque-Torquemeasuredinthedirectionoftightening,themomentbeforethebolt/nutstartstoturn.
2.ClampingForce-Forceequaltothetensioninthefastenerthatclampsthepartstogether.
3.StabilizedT orque-Torquemeasuredonajointthathashadasettlingtimeafterfastenerinstallation,andthetorque
ismeasuredinthedirectionoftightening,themomentafterthebolt/nutbeginstoturn.
4.ProofLoad-Safetestloadforfasteners,approximately10%belowtheyieldload.
5.Torque-Forceonthewrenchhandletimesthehandlelength.
6.T orqueandTurn-Boltingmethodutilizingatorquesufcienttoclosethejoint,followedbyrotationofaspecic
angletoobtainthedesiredboltstretch.
7.T orquetoYield-Boltingmethodthattightensthejointuntil0.2%yieldisdetected.Generallyrequiresacomputer
monitoredtighteningtool.
8.T argetT orque-T orquespeciedbyengineering,generallynominaltorque.
9.UltimateLoad-Loadwhenboltfailureoccurs.
10.YieldLoad-Loadwhen0.2%deformationoccurs.
_84269847_16/04/2010
13

INTRODUCTION
NOTE:Fastenersshouldbereplacedwiththesameorhighergrade.Ifhighergradefasten-
ersareused,theseshouldonlybetightenedtothestrengthoftheoriginal.Whenreplac-
ingcapscrews,alwaysuseacapscrewofthesamemeasurementandstrengthasthecap
screwbeingreplaced.
NOTE:Makesurethefastenersthreadsareclean,andthatthreadengagementisstarted.
Thiswillpreventthemfromfailingwhenbeingtightened.Assurethatjointsthatutilize
threadedfastenersareproperlytightened,andthattheyremaintightduringtheperiodof
theirintendedusage.
NOTE:Tightenplasticinsertorcrimpedsteel-typelocknutstoapproximately50%oftable
torque,appliedtothenut,notthebolthead.Tightentoothedorserratedtypelocknutsto
theirfulltorquevalue.
NOTE:Alwaysusethetorquevalueslistedinthesuppliedchartsinthissectionwhenval-
uesarenotsuppliedinaprocedure.
NOTE:DONOTusethesetorquevalueswhenvaluesaregiveninaspeciedprocedure.
NOTE:Reuseoffasteners.Fastenersthathavebeentightenedaboveyieldpointduring
assemblyshouldnotbereusedafterdisassembly.Theyhavebeenpermanentlydeformed
andtheelasticrangehasbeenshiftedclosertotheultimatetensilepoint.
NOTE:TorqueandTurnisarecommendedprocedureformanufacturingandservicewhen
sophisticatedtoolsarenotavailable,especiallyforlargediameterfasteners.
NOTE:Largediameterfasteners,unlessspecicallystated,shouldbetightenedin
sequenceusingtherelatedtorquechartbelow,atalowtorquethatissufcientuntilthe
jointisclosed.Eachboltisthenrotated90degreesinsequence.Eachboltisthenrotated
another90degreesinsequence.Theresultisaclamploadabovetheyieldpoint.This
procedureresultsinaconsistentclampload.Thefastenersshouldnotbereusedafter
disassembly.
df5019-11
NOTE:Shownaboveisthesuggestedinitialtorquetighteningsequencesforgeneralapplications,tighten
insequencefromitem1throughtothelastitemofhardware.
_84269847_16/04/2010
14

INTRODUCTION
HydraulicHosesandTubes
NOTE:Tighteningthejointtothepropertorquewillkeepitleakfree,andpreventitfromdamagingthehoseortting.
Alwaysreplacehosesandtubeswithdamagedconeendsortheendconnections.
Wheninstallinganewhose,looselyconnecteachendandmakesurethehosetsitsdesiredlocation,withoutkinking
ortwisting,beforetighteningtheconnection.Tightennon-swivelendofhoserstifapplicable.Tightenthehose
clampsenoughtoholdthehosewithoutchangbutnotsotightastocrushtheends.
Keepthehosesandtubesclearofmovingpartsandreplaceanyhosesandttingsthathavemovedfromtheiroriginal
positionsovertime.Ahosewithachafedoutercoverwillallowmoisturetogetintothesystem.Concealedcorrosion
ofthewirereinforcementwillthenoccuralongthehoselengthandresultinhosefailure.
Ballooningofthehoseindicatesinternalleakageasthehosedeteriorates.Thisconditioncanrapidlyleadtohose
failure.
Kinked,crushed,stretchedordamagedhosesgenerallysufferinternalstructuraldamagethatrestrictsuidow,re-
ducesperformanceandultimatelycausesthehosetofail.
Donotallowfreemoving,unsupportedhosesortubestotoucheachotherorrelatedworkingsurfaces.Thiscauses
changandreduceslinelife.
NationalPipeThread(NPT)Fittings
Beforeinstallingandtighteningpipettings,cleanthethreadswithacleaningsolventorLoctite®brandcleaner.Apply
theappropriateLoctite®brandsealanttoallttingsincludingstainlesssteel,unlessasotherwisestated.Generally
Loctite®567™canbeusedforallttingsincludingstainlesssteel.Loctite®565™isusedformostmetalttings.For
highltration/zerocontaminationsystemsuseLoctite®545™.
NPTPIPEFITTINGTORQUECHART
ThreadSizeTorque(Maximum)
1/8"-2713Nm(10lbft)
1/4"-1816Nm(12lbft)
3/8"-1822Nm(16lbft)
1/2"-1441Nm(30lbft)
3/4"-1454Nm(40lbft)
PIPEFITTING
Nom.SAEDashSizeThreadSizeTFFT(TurnsForFingerTight)
-21/8-272.0-3.0
-41/4-182.0-3.0
-63/8-181.5-3.0
-81/2-142.0-3.0
-123/4-142.0-3.0
-161-11-1/21.5-2.5
-201-1/4-11-1/21.5-2.5
-241-1/2-11-1/21.5-2.5
-322-11-1/21.5-2.5
Applysealant/lubricanttomalepipethreads.Thersttwothreadsshouldbeleftuncoveredtoavoidsystemcontam-
ination.Screwpipettingintofemalepipeporttothengertightposition.Wrenchtightenttingtotheappropriate
turnsfromngertight(TFFT)shownintableabove,makingsurethetubeendofanelboworteettingisalignedto
receiveincomingtubeorhosetting.
InstallationofAdjustableFittingsinStraightThreadORingBosses
1.LubricatetheOringbycoatingitwithlightoilorpetroleumjelly.InstalltheOringinthegrooveadjacenttothe
metalbackupwasherwhichisassembledattheextremeendofthegroove.
2.InstallthettingintotheSAEstraightthreadbossuntilthemetalbackupwashercontactsthefaceoftheboss.
NOTE:Donotovertightenanddistortthemetalbackupwasher.
3.Positionthettingbyturningout(counterclockwise)uptoamaximumofoneturn.Holdingthepadofthetting
withawrench,tightenthelocknutandwasheragainstthefaceoftheboss.
_84269847_16/04/2010
15

INTRODUCTION
4.Whenhoseendsorconnectorsaremadeofmaterialsotherthansteel,differenttorquevaluesmayberequired.
ORINGBOSSENDFITTINGORLOCKNUT
Nom.SAEDash
Size
ThreadSizeNewton·meterslb/inlb/ft
-69/16-1848to54432to480
-83/4-1670to78612to684
-107/8-14102to11475to84
-121-1/16-12142to160105to117
-161-5/16-12237to254175to187
37DEGREEFLAREFITTING(STEELHYDRAULICFITTINGS)
Nom.SAE
DashSize
TubeOD/HoseIDThreadSizeNewton·meterslb/inlb/ft
-25/16-248to972to84
-33/8-2411to1296to108
-46.4mm1/4inch7/16-2014to16120to144
-57.9mm5/16inch1/2-2018to21156to192
-69.5mm3/8inch9/16-1827to33240to300
-812.7mm1/2inch3/4-1646-56408to504
-1015.9mm5/8inch7/8-1477to85684to756
-1219.0mm3/4inch1-1/16-12107to11979to88
-1422.2mm7/8inch1-3/16-12127to14094to103
-1625.4mm1.0inch1-5/16-12131to15697to117
-2031.8mm1-1/4inch1-5/8-12197to223145to165
-2438.1mm1-1/2inch1-7/8-12312to338230to250
37DEGREEFITTINGS
TUBENUTSFOR37DEGREEFLAREDFITTINGSORINGBOSSPLUGS
ADJUSTABLEFITTING
LOCKNUTS,
SWIVELJIC-37°SEATS
TORQUETORQUE
SizeTubingODThread
Size
Newton·
Meters
Foot
Pounds
Newton·
Meters
Foot
Pounds
mmin.Min.Max.Min.Max.Min.Max.Min.Max.
46.41/47/16-201216912814610
57.95/161/2-201620121514201015
69.53/89/16-182933212420271520
812.71/23/4-164754354034412530
1015.95/87/8-147279535347543540
1219.13/41-1/
16-12
104111778281956070
1422.27/81-3/
16-12
12213690100951097080
1625.411-5/
16-12
1491631101201081228090
2031.81-1/41-5/8-1219020414015012915895115
Thesetorquesarenotrecommendedfortubesof12.7mm(0.5in)ODandlargerwithwallthicknessof0.89mm
(0.035in)orless.Thetorqueisspeciedfor0.89mm(0.035in)walltubesoneachapplicationindividually.Before
installingandtorquing37°aredttings,cleanthefaceoftheareandthreadswithacleaningsolventorLoctite®
brandcleaner,andapplyhydraulicsealantLoctite®569™tothe37°areandthethreads.Installtting,andtorque
tospeciedtorque,loosenttingandre-torquetospecications.
_84269847_16/04/2010
16