INTRODUCTION
Thisservicemanualprovidesthetechnicalinformationneededtoproperlyserviceandmaintainthe modelL250andL255skidsteers.Useitinconjunctionwiththeoperatorísmanual,whichissupplied withtheskidsteer.Keepbothmanualsavailableforreadyreference.
TheL250andL255skidsteershavemanysimilarities.Themajordifferencesareenginetype(gasoline ordiesel),horsepowerandliftingcapacity.
WheneverworkingonNewHollandequipment,leftandrightsidesofthemachinearedeterminedby standingbehindtheunit,lookinginthedirectionofforwardtravel.
Theeasiestandleasttime-consumingremoval,disassembly,andreassemblyproceduresaredetailed inthemanual.Modifyingtheseproceduresisnotrecommended.
NewHollandskidsteershavebeendesignedwithemphasisonsafetyforoperatorprotection. However,carelessandnegligentoperationcanstillresultinseriousinjurytopersonsorproperty.Be suretoreadandfollowallsafetyinstructionsinthismanual.
YourNewHollanddealerisinterestedinyourobtainingthemostfromyourinvestmentandwillbeglad toansweranyquestionsyoumayhaveaboutyourskidsteer.Whenmajorserviceisrequired,your dealersstaffoftrainedservicetechniciansisreadytoserveyou.
Wheninneedofparts,alwaysordergenuineNewHollandservicepartsfromyourNewHollanddealer. Bepreparedtogiveyourdealerthemodelandserialnumberoftheengineandskidsteer(thelocation ofthesenumbersisdescribedlaterinthissection).
Recordtheserialnumbershere:
CAUTION:THISSYMBOLISUSEDTHROUGHOUTTHISBOOKWHENEVERYOUROWN PERSONALSAFETYORTHESAFETYOFOTHERSISINVOLVED.TAKETIMETOBECAREFUL!
IMPROVEMENTS
NewHollandiscontinuallystrivingtoimproveitsproducts.Wemust,therefore,reservetherightto makeimprovementsorchangeswhenitbecomespracticalandpossibletodoso,withoutincurringany obligationtomakechangesoradditionstotheequipmentsoldpreviously.
ALLSPECIFICATIONSARESUBJECTTOCHANGEWITHOUTNOTICE.
PRECAUTIONARY STATEMENTS
PERSONALSAFETY
Throughoutthismanualandonmachinedecals,youwillfindprecautionarystatements(ìCAUTIONî, ìWARNINGî,andìDANGERî)followedbyspecificinstructions.Theseprecautionsareintendedforthe personalsafetyofyouandthoseworkingwithyou.Pleasetakethetimetoreadthem.
CAUTION:THEWORDìCAUTIONîISUSEDWHEREASAFEBEHAVIORALPRACTICE ACCORDINGTOOPERATINGANDMAINTENANCEINSTRUCTIONSANDCOMMONSAFETY PRACTICESWILLPROTECTTHEOPERATORANDOTHERSFROMACCIDENTINVOLVEMENT.
WARNING:THEWORDìWARNINGîDENOTESAPOTENTIALORHIDDENHAZARDWHICH HASAPOTENTIALFORSERIOUSINJURY.ITISUSEDTOWARNOPERATORSANDOTHERS TOEXERCISEEVERYAPPROPRIATEMEANSTOAVOIDASURPRISEINVOLVEMENTWITH MACHINERY.
DANGER:THEWORDìDANGERîDENOTESAFORBIDDENPRACTICEINCONNECTIONWITH ASERIOUSHAZARD.
FAILURETOFOLLOWTHEìCAUTIONî,ìWARNINGî,ANDìDANGERîINSTRUCTIONSMAY RESULTINSERIOUSBODILYINJURYORDEATH.
MACHINESAFETY
Additionalprecautionarystatements(ìATTENTIONîandìIMPORTANTî)arefollowedbyspecific instructions.Thesestatementsareintendedformachinesafety.
ATTENTION:ThewordìATTENTIONîisusedtowarntheoperatorofpotentialmachinedamageifa certainprocedureisnotfollowed.
IMPORTANT:ThewordìIMPORTANTîisusedtoinformthereaderofsomethingheneedstoknowto preventminormachinedamageifacertainprocedureisnotfollowed.
SAFETYPRECAUTIONS
UNSAFEOPERATINGPRACTICESAND IMPROPERUSEOFTHESKID-STEER LOADERANDITSATTACHMENTSONTHE PARTOFTHEOPERATORCANRESULTIN INJURIES.OBSERVETHEFOLLOWING SAFETYPRECAUTIONSATALLTIMES:
1.FORSERVICING,THELOADERSHOULD BEONLEVELTERRAIN,ENGINE STOPPEDWITHTHEWHEELSBLOCKED ORTHEENTIRELOADERSOLIDLY SUPPORTEDWITHTHEWHEELSOFF THEGROUNDBEFORESERVICINGANY COMPONENTOFTHEDRIVETRAIN.
2.FORSERVICINGUNDERTHE OPERATORíSSEAT,REMOVETHESEAT ANDPANASSEMBLYFROMTHE LOADER.
3.DONOTOPERATETHELOADER UNLESSTHESEATISINTHEOPERATE POSITION.
4.DONOTSERVICETHELOADERWITHA RAISEDBOOMUNLESSTHEBOOMIS RESTINGONTHEBOOMLOCKPINS.
5.DONOTSERVICETHELOADERWITH THEENGINERUNNINGUNLESSTHE LOADERISPROPERLYANDSECURELY SUPPORTEDWITHALLFOURWHEELS OFFTHEGROUND.
6.REINSTALLALLSHIELDSREMOVED FORSERVICE.
7.NEVERLOOSENANYHYDRAULIC CONNECTIONSBEFORERELIEVING THEPRESSUREINTHEHYDRAULIC SYSTEM.
8.WEAREYEPROTECTIONSUCHAS GOGGLESETC.
9.WEAREARPROTECTIONSUCHASEAR PLUGSETC.WHENYOUFEELTHE NOISELEVELISUNCOMFORTABLE.
10.IFANYSERVICINGORADJUSTMENTS REQUIRETHEBATTERYTOBE DISCONNECTED,DISCONNECTTHE(--) NEGATIVEGROUNDCABLE.
11.WHENSERVICINGELECTRICAL COMPONENTS,DISCONNECTTHE(--) NEGATIVEGROUNDCABLE.
12.IFTHEELECTRICALCOMPONENTS REQUIRESREMOVALFROMTHE SKID-STEERLOADERDISCONNECT THE(--)NEGATIVEGROUNDBATTERY CABLE.THISWILLSHUTOFFPOWERTO THEELECTRICALSYSTEMAND PREVENTDAMAGETOTHE COMPONENTSIFACCIDENTALLY GROUNDED.
13.IFWELDINGISREQUIREDONTHESKID STEERLOADER,DISCONNECTTHE(--) NEGATIVEGROUNDCABLE.FAILURE TODISCONNECTTHEBATTERYMAY RESULTINDAMAGETOTHE ELECTRICALSYSTEMAND COMPONENTS.
14.IFWELDINGISREQUIREDONAN ATTACHMENTREMOVETHE ATTACHMENTFROMTHESKID-STEER LOADER.
15.GIVECOMPLETEANDUNDIVIDED ATTENTIONTOTHEJOBATHANDSO THATCOMPLETECONTROLOFTHE LOADERISMAINTAINEDATALLTIMES.
16.DRIVESLOWLYOVERROUGHGROUND ANDONSLOPES,KEEPALERTFOR HOLES,DITCHESANDOTHER IRREGULARITIESTHATMAYCAUSETHE LOADERTOOVERTURN.
17.AVOIDSTEEPHILLSIDEOPERATION WHICHCOULDCAUSETHELOADERTO OVERTURN.
18.NEVERTRANSPORTALOADED BUCKETATFULLHEIGHT.OPERATE THELOADERWITHTHELOADASLOW ASPOSSIBLEUNTILITBECOMES NECESSARYTORAISETHEBOOMTO DISCHARGETHELOADINTOATRUCK, CONTAINER,ETC.
19.REDUCESPEEDWHENTURNINGSO THEREISNODANGEROFTHELOADER OVERTURNING.
20.NEVERDRIVEUPORBACKUPAHILL ORINCLINEWITHARAISEDBOOMOR THELOADERCOULDOVERTURN.
21.ALWAYSLOOKBEHINDYOUBEFORE BACKINGUPTHELOADER.
22.MAINTAINPROPERTRANSMISSIONOIL LEVELTOPREVENTLOSSOF HYDROSTATICBRAKING.
23.DONOTALLOWPASSENGERSTORIDE ONTHELOADERATANYTIME.
24.DONOTALLOWCHILDRENTO OPERATETHELOADERORRIDEONTHE LOADERATANYTIME.
25.DONOTALLOWANYONETOOPERATE THELOADERWITHOUTPROPER INSTRUCTION.
OSHAREQUIRESTHATALL OPERATORSBEINSTRUCTEDONTHE PROPEROPERATIONOFTHEMACHINE BEFORETHEYOPERATETHEUNIT.
26.DONOTOPERATETHELOADERINANY POSITIONOTHERTHANWHILEINTHE OPERATORíSSEATWITHTHESEAT BELTSECURELYFASTENED.
27.BEFORESTARTINGTHEENGINE,BE SURETHATALLOPERATING CONTROLSAREINNEUTRALAND PARKINGBRAKEISENGAGED.
28.NEVEROPERATETHELOADERENGINE INACLOSEDBUILDINGWITHOUT ADEQUATEVENTILATION.
29.REFUELTHELOADEROUTDOORSWITH THEENGINESHUTOFF.REPLACETHE FUELCAPSECURELY.USEAN APPROVEDFUELCONTAINER.DONOT SMOKEWHENHANDLINGFUEL.AVOID SPILLINGFUEL.
30.AFTEROPERATINGTHEENGINE, NEVERTOUCHTHEMUFFLER, EXHAUSTPIPE,ENGINEORRADIATOR UNTILTHEYHAVEHADTIMETOCOOL.
31.DRESSAPPROPRIATELY-WEAR RELATIVELYTIGHT-FITTINGCLOTHING WHENOPERATINGTHELOADER. LOOSEORTORNCLOTHINGCAN CATCHINMOVINGPARTSOR CONTROLS.
32.BEFORESERVICINGTHELOADEROR ANYOFITSATTACHEDEQUIPMENT,BE SURETHATTHEATTACHMENTSARE LOWEREDTOTHEGROUNDORTHAT THEBOOMARMSARESUPPORTEDBY THEBOOMLOCKPINS.
33.DONOTWORKUNDEROVERHANGS, ELECTRICWIRES,ORWHERETHEREIS DANGEROFASLIDE.
34.WEARANAPPROVEDSAFETYHAT WHENOPERATINGTHEMACHINEAND WHILEINANYWORKAREA.
35.WHENDRIVINGTHELOADERONA ROADORHIGHWAY,USEWARNING LIGHTSORWARNINGDEVICESASMAY BEREQUIREDBYLOCALORSTATE GOVERNMENTREGULATIONS. HEADLIGHTS,WARNINGLIGHTSAND SMVSIGNSAREAVAILABLETHROUGH YOURNEWHOLLANDDEALER.
36.KEEPTHELOADERCLEAN.DONOT ALLOWDIRT,DEBRISOROTHER ARTICLESTOACCUMULATEINTHE CAB,FLOORORFOOTCONTROL PEDALAREATHATMAYHINDERSAFE MACHINEOPERATION.
37.NEVEROPERATETHELOADERWITH ANYOFTHESHIELDINGREMOVED.
38.NEVEROPERATETHELOADER WITHOUTWINDOWSAND/ORSCREENS INPLACE.
39.NEVEREXTENDANYPARTOFTHE BODYOUTSIDEOFTHEOPERATORíS AREA.
40.ALWAYSPROPERLYTIEDOWNTHE SKID-STEERLOADERTOATRUCKOR TRAILERBEFORETRANSPORT.
41.MAKESUREALLBYSTANDERSAREAT ASAFEDISTANCEAWAYFROMTHE LOADERBEFORESTARTINGTHE ENGINE.
42.DONOTALLOWANYONENEARTHE LOADERWHILETHEENGINEIS RUNNINGANDTHELOADERIS OPERATIONAL.
43.WHENUSINGTHESKID-STEERLOADER TOCRANEOBJECTS,DONOTALLOW ANYPERSONTORIDEONOBJECTS BEINGCRANED.
44.DONOTUSETHESKID-STEERLOADER ASAWORKPLATFORMFOR SUPPORTINGMATERIALS.
45.DONOTLIFTPERSONNELORALLOW PERSONNELTOWORKWHILE STANDINGINTHEBUCKETORON OTHERATTACHMENTS.THISISNOTA MAN-LIFT.
OSHAREQUIREMENTSNOWMAKEITTHE EMPLOYERíSRESPONSIBILITYTOFULLY INSTRUCTEACHOPERATORINTHE PROPERANDSAFEOPERATIONOFALL OPERATIVEEQUIPMENT.BOTHEMPLOYER ANDEMPLOYEESHOULDTHOROUGHLY FAMILIARIZETHEMSELVESWITHTHE FOLLOWINGSECTIONS.
IMPORTANT:Beasafeoperator.Before attemptingtooperatetheloader,thoroughly acquaintyourselfwith:
1.Thesafetyinformationintheoperatorís manualandtheskid-steerloadersafety manual.
2.Theoperatinginstructionsinthe operatorísmanual.
3.Thecontrolsontheloaderandtheir operation.
CAUTION:SOMEPICTURESINTHIS MANUALSHOWSAFETYSHIELDS REMOVEDOROPENTOSHOWPARTS BEINGSERVICEDORFORCLARITY.ALL SHIELDSSHOULDBECLOSEDOR REPLACEDPRIORTOOPERATINGTHE MACHINE.
DANGER:FASTENSEATBELTBEFORE STARTINGENGINE!
THISLOADERISAVERYSTABLEUNIT,BUT ITCANBEUPSETIFSTOPPEDSUDDENLY WHENTHEBUCKETISRAISEDAND LOADED.
THEREFORE,DONOTSTARTTHEENGINE BEFORESECURELYFASTENINGTHESEAT BELT,ANDCARRYTHELOADLOW.
SAFETYDECALS
Thefollowingsafetydecalshavebeenplacedon themachineintheareasindicated.Theyare intendedforyourpersonalsafetyandforthose workingwithyou.Pleasetakethismanualand walkaroundyourmachinetonotethecontent andlocationofthesewarningsigns.
Reviewthesewarningsignsandtheoperating instructionsdetailedinthismanualwithyour machineoperators.
Keepthedecalslegible.Iftheyarenotlegible, replace.Thedecalpartnumbersarelistedwith eachdecal.
1
CAUTION:DONOTALLOWANYONETOOPERATETHELOADER WITHOUTPROPERINSTRUCTION.
PART#86521688
DANGER:THISCABISPROVIDEDFOR YOURSAFETY.DONOTREMOVETHE CAB.
PART#766417
3
WARNING:NEVEROPERATETHE LOADERWITHOUTTHESEATBELT SECURELYFASTENED.
PART#86521686
4
CAUTION:AVOIDOVERTURN.NEVER LIFTMORETHANTHEMAXIMUMSAE LOADRATINGOFTHELOADER.NEVER TRANSPORTALOADEDBUCKETAT FULLHEIGHT.OPERATETHELOADER WITHLOADASLOWASPOSSIBLE.
L250-306KG(600LBS.)(#857679) L255-318KG(700LBS.)(#9828824)
PART#849959
DANGER:BEFOREEXITINGTHE LOADER,LOWERTHELIFTARMS ANDATTACHMENTTOTHE GROUNDORRESTLIFTARMSON THEBOOMSTOPS.STOPENGINE ANDENGAGETHEPARKING BRAKE.
PART#86521683
DANGER:DONOTALLOWPASSENGERS TORIDEONTHELOADERATANYTIME.
PART#86521685
WARNING:KEEPCLEAR!ROTATINGFANó STOPENGINE.
PART#9828825
CAUTION:SWITCHESINSEATAND SEATBELTPREVENTOPERATION OFLIFTARMSANDSTARTERUNLESSOPERATORISINSEATWITH SEATBELTBUCKLED.DONOTBYPASSSWITCHES.
PART#9604252
CAUTION:DONOTUSESTARTINGFLUID. AIRHEATERMAYIGNITESTARTINGFLUID ANDCAUSEANEXPLOSION.
PART#847363
GENERALSAFETYINFORMATION
HANDLEFLUIDSSAFELY
Whenyouworkaroundfuelorotherflammable material,donotsmoke,worknearheatersor worknearotherfirehazards.
Donotstoreflammablematerialinopen containers.
Storeflammablefluidsawayfromfirehazards.
Donotincinerateorpuncturepressurized containers.
Makesuremachineiscleanofdirt,grease,oil, anddebris.
Donotstoreoilyrags;theycanigniteandburn spontaneously.
Keepafirstaidkitandfireextinguisherhandy.
Keepemergencynumbersfordoctors, ambulanceservice,hospital,andfiredepartment nearyourtelephone.
AVOIDHEATINGNEARPRESSURIZED FLUIDLINES
Flammablespraycanbegeneratedbyheating nearpressurizedfluidlines,resultinginsevere burnstoyourselfandbystanders.
Donotheatbywelding,soldering,orusinga torchnearpressurizedfluidlines.
Pressurizedlinescanbeaccidentallycutor damagedwhenheatgoesbeyondtheimmediate flamearea.
USECAREAROUNDHIGH-PRESSURE FLUIDLINES
Escapingfluidunderpressurecanpenetratethe skincausingseriousinjury.
Avoidthehazardbyrelievingpressurebefore disconnectinghydraulicorotherlines.
Tightenalllineconnectionsbeforeapplying pressure.
Checkforleakswithapieceofcardboard.
Protecthandsandbodyfromhigh-pressure fluids.
Ifanaccidentoccurs,seeadoctorimmediately. Anyfluidinjectedintotheskinmustbesurgically removedwithinafewhoursorgangrenemay result.Doctorsunfamiliarwiththistypeofinjury shouldreferenceaknowledgeablemedical source.
USECAREINHANDLINGAND SERVICINGBATTERIES
PreventBatteryExplosions
Keepsparks,lightedmatches,andopenflame awayfromthetopofthebattery.Batterygascan explode.
Nevercheckbatterychargebyplacingametal objectacrosstheposts.Useavoltmeteror hydrometer.
Donotchargeafrozenbattery;itmayexplode. Warmthebatteryto16° C(60° F).
WARNING:ENGINESTARTINGWITHA BOOSTERBATTERYREQUIRESEXTREME CAREASBATTERIESPRODUCE EXPLOSIVEGASES.THESLIGHTEST SPARKCANCAUSEANEXPLOSION.
FOLLOWTHESESAFETYTIPS:
1.ALWAYSSHIELDYOUREYESWHEN CHARGINGORWORKINGNEARA BATTERY.ALWAYSPROVIDEGOOD VENTILATION.
WARNING:IFANYSERVICINGOR ADJUSTMENTSREQUIRETHEBATTERYTO BEDISCONNECTED,ORWELDINGIS REQUIREDONTHESKID-STEERLOADER, DISCONNECTTHE(--)NEGATIVEGROUND CABLE.FAILURETODISCONNECTTHE BATTERYMAYRESULTINDAMAGETOTHE EIC(ELECTRONICINSTRUMENTCLUSTER) MONITORINGSYSTEMANDOTHER ELECTRICALCOMPONENTS.
WARNING:IFWELDINGONAN ATTACHMENTISREQUIRED,FIRST REMOVETHEATTACHMENTFROMTHE LOADERBOOMATTACHINGPLATE.
2.COVERTHEBATTERYWITHAPIECEOF CARPETOROTHERHEAVYMATERIAL. DONOTREMOVETHEBATTERYVENT CAPS.
3.CONNECTONECABLETOTHE(+) POSITIVETERMINALOFTHEWEAK BATTERY.CONNECTTHEOTHEREND OFTHECABLETOTHE(+)POSITIVE TERMINALOFTHESTRONGER BATTERY.
4.CONNECTTHESECONDCABLETOTHE (--)NEGATIVETERMINALOFTHE STRONGERBATTERY.
5.CONNECTTHEREMAINING(--) NEGATIVECABLEENDTOTHEENGINE BLOCKORSTARTERGROUND TERMINAL.
6.REVERSETHISPROCEDUREWHEN DISCONNECTINGTHEBOOSTER.
USESAFESERVICEPROCEDURES
WearProtectiveClothing
Donotwearlooseclothing.
Wearclose-fittingclothing.
Wearsafetyglassesorfaceshieldasrequired.
Wearothersafetyequipmentappropriatetothe job.
Wearearplugsorearmuffsasrequired.
SERVICEMACHINESSAFELY
Usecautionwhenworkingaroundmovingparts.
Ifservicingrequirestheboomtobeintheraised position,supporttheboomontheboomlocks andremoveanyattachmentfromtheboom mountingplate.Ifservicingrequiresthe completeloadertobeinthesupportedposition, supportallfourwheelsoffthegroundusing adequatejackstandsorblocks.
Ifservicingrequirestheenginetobeoperated, raisethemachineandproperlysupporttheunit withadequatejackstandsorblockingwithallfour wheelsofftheground.
BEFORESERVICINGTHELOADERORANY
OFITSATTACHEDEQUIPMENT,BESURE THATTHEATTACHMENTSARELOWERED TOTHEGROUNDORTHEBOOMARMSARE SUPPORTEDBYTHEBOOMLOCKPINS.
USEPROPERTOOLS
Usetoolsappropriateforthejob.
Iftiltingofthecabisrequired,usethepropertools andfollowtheprocedurefortiltingthecabin Section1ofthismanual.
REVIEWSAFETYEQUIPMENT,SIGNSAND SHIELDS
Replacemissingordamagedsafetydecals.
Reinstallallshieldingremovedforservicing.
Replaceanydamagedormissingshielding.
CONTROLS
Operateunitandcheckmachinefunctionsfor properoperation.
Checkseatbeltforproperoperation,wear,and damage-replaceasneeded.
Checkoperatorrestraintsystemforproper operation.
Checkmechanicalboomlocksforproper operation.
Checkparkingbrakeforproperoperationand adjustment.
MINIMUMHARDWARETIGHTENINGTORQUES
INFOOTPOUNDS(NEWTON-METERS)FORNORMALASSEMBLYAPPLICATIONS
INCHHARDWAREANDLOCKNUTS
NOMINALUNPLATEDPLATEDUNPLATEDPLATEDUNPLATEDPLATEDGR.BGR.CNOMINAL SIZEorW/ZnCrorW/ZnCrorW/ZnCrw/GR5w/GR8SIZE PLATEDPLATEDPLATEDBOLTBOLT SILVERGOLDSILVERGOLDSILVERGOLD
1/455*(6.2)72*(8.1)86*(9.7)112*(13)121*(14)157*(18)61*(6.9)86*(9.8)1/4
5/16115*(13)149*(17)178*(20)229*(26)250*(28)324*(37)125*(14)176*(20)5/16
3/817(23)22(30)26(35)34(46)37(50)48(65)19(26)26(35)3/8
7/1627(37)35(47)42(57)54(73)59(80)77(104)30(41)42(57)7/16
1/242(57)54(73)64(87)83(113)91(123)117(159)45(61)64(88)1/2
9/1660(81)77(104)92(125)120(163)130(176)169(229)65(88)92(125)9/16
5/883(112)107(145)128(174)165(224)180(244)233(316)90(122)127(172)5/8
3/4146(198)189(256)226(306)293(397)319(432)413(560)160(217)226(306)3/4
7/8142(193)183(248)365(495)473(641)515(698)667(904)258(350)364(494)7/8
1213(289)275(373)547(742)708(960)773(1048)1000(1356)386(523)545(739)1
NOTE:Torquevaluesshownwith*areinchpounds.
IDENTIFICATION
CAPSCREWSANDCARRIAGEBOLTS
SAEGRADE2SAEGRADE5SAEGRADE8LOCKNUTS SAEGRADE2SAEGRADE5SAEGRADE8
REGULARNUTSSAEGRADE5 HEXNUTS SAEGRADE8 HEXNUTS
LOCKNUTS
GRADEIDENTIFICATION
GRADEANONOTCHES
GRADEBONECIRCUMFERENTIALNOTCH
GRADECTWOCIRCUMFERENTIALNOTCHES
GRADEIDENTIFICATION
GRADEANOMARKS
GRADEBTHREEMARKS
GRADECSIXMARKS
MARKSNEEDNOTBELOCATED
GRADEIDENTIFICATION ATCORNERS
GRADEBLETTERB GRADECLETTERC
GRADEANOMARK
MINIMUMHARDWARETIGHTENINGTORQUES
M415*(1.7)19*(2.2)23*(2.6)30*(3.4)33*(3.7)42*(4.8)16*(1.8)
M651*(5.8)67*(7.6)79*(8.9)102*(12)115*(13)150*(17)56*(6.3)
M8124*(14)159*(18)195*(22)248*(28)274*(31)354*(40)133*(15)
M1021(28)27(36)32(43)41(56)45(61)58(79)22(30)
M1236(49)46(63)55(75)72(97)79(107)102(138)39(53)
M1689(121)117(158)137(186)177(240)196(266)254(344)97(131)
M20175(237)226(307)277(375)358(485)383(519)495(671)195(265)
M24303(411)392(531)478(648)619(839)662(897)855(1160)338(458)
NOTE:Torquevaluesshownwith*areinchpounds.
INSTALLATIONOFADJUSTABLE FITTINGSINSTRAIGHTTHREAD ORINGBOSSES
1.LubricatetheOringbycoatingitwithalight oilorpetroleum.InstalltheOringinthe grooveadjacenttothemetalbackupwasher whichisassembledattheextremeendofthe groove,4.
2.InstallthefittingintotheSAEstraightthread bossuntilthemetalbackupwashercontacts thefaceoftheboss,5.
NOTE:Donotovertightenanddistortthe metalbackupwasher.
3.Positionthefittingbyturningout (counterclockwise)uptoamaximumofone turn.Holdingthepadofthefittingwitha wrench,tightenthelocknutandwasher againstthefaceoftheboss,6.
Thesetorquesarenotrecommendedfortubesof 1/2″ (12.7mm)ODandlargerwithwallthickness of0.035″ (0.889mm)orless.Thetorqueis specifiedfor0.035″ (0.889mm)walltubeson eachapplicationindividually.
Beforeinstallingandtorquing37° flaredfittings, cleanthefaceoftheflareandthreadswitha
cleansolventorLoctitecleanerandapply hydraulicsealantLoctiteno.569tothe37° flare andthethreads.
Installfittingandtorquetospecifiedtorque, loosenfittingandretorquetospecifications.
Figure1-1
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