2331,2332REPAIRMANUAL CONTENTS
SECTION00--GENERALINFORMATION
SECTION31--IMPLEMENTPOWERTAKEOFF(PTO)
SECTION39--FRAMES
SECTION58--ATTACHMENTS/HEADERS
SECTION90--DECALS
ThesectionsusedthroughoutallNewHollandproductRepairmanuals maynotbeusedforeachproduct.EachRepairmanualwillbemadeupof oneorseveralbooks.
Thesectionslistedabovearethesectionsutilizedforthe2331,2332Disc Headers.
SPECIALTOOLS
FNH23ET95TopCapBearingCover .........................................................
FNH01221-2Cutterbartieboltholdingtool
FNH01221-3Cutterbarwrench
SPECIFICATIONS
MODEL2331
OverallWidth
4000mm(13′3″)
HeaderDrive100RPMPTOwith overrunningclutch,enclosed gearsand(3)HBbandedbelts withspringloadedidlers.
HEADER
Flotation VerticalandRadial
CuttingWidth3960mm(13′ 0″)
Weight 1418kg(3120lbs.) ..................................................................
CUTTERBAR
Type Modular
NumberofDiscs8Counter-rotating, ......................................................... 2Co-rotating(10total)
Knivesperdisc 2
DiscCuttingDiameter500mm(19.7″) ........................................................
DiscDriveBevelGearsinSealedModules ....................................................
DiscSpeed 3000RPM
CuttingHeight(approximate)32mmto83mm(1.25″ to3.25″)
CONDITIONER
Type Roll
Drive4HBV-Belt,enclosedgears withu-jointdrivestorolls
RollType Intermeshingrolls
RollDiameter264mm(10-3/8″)
RollLength 2591mm(102″) ................................................................
RollSpeed 740RPM ......................................................................
RollPressureTorsionbar,singlecrankAdjustment
CropDischargeAdjustablefrom0.9mto1.8m(3′ to6′)
FILEDINSTALLEDOPTIONS
HighStubbleKit Available
HeaderMarkerKit Available
MODEL2332
OverallWidth4000mm(13′ 3″) .............................................................
HeaderDrive100RPMPTOwith ............................................................ overrunningclutch,enclosed gearsand(3)HBbandedbelts withspringloadedidlers.
HEADER
Flotation
VerticalandRadial ................................................................
CuttingWidth3960mm(13′ 0″)
Weight 1418kg(3120lbs.)
CUTTERBAR
Type
Modular
NumberofDiscs8Counter-rotating, 2Co-rotating(10total)
Knivesperdisc 2
DiscCuttingDiameter500mm(19.7″)
DiscDriveBevelGearsinSealedModules ....................................................
DiscSpeed 3000RPM .....................................................................
CuttingHeight(approximate)32mmto83mm(1.25″ to3.25″)
CONDITIONER
Type Flail .................................................................................
Drive 4HBV-Belt,withu-joint drivestorotor
RollType Flail,120tapered ................................................................. freeswingingflails
RollDiameter 560mm(22″)
RollLength 2591mm(102″) ................................................................
RollSpeed1011RPM(726RPMoptional) ....................................................
Hood-to-FlailClearanceAdjustable,3/8″ -2-1/8″
CropDischargeAdjustablefrom0.9mto1.8m(3′ to6′)
FILEDINSTALLEDOPTIONS
HighStubbleKit Available
HeaderMarkerKit Available
LowSpeedRotor Available ..................................................................
DimpledHoodLiner Available ................................................................
LUBRICATION
Adequatelubricationandmaintenanceonaregularscheduleisvitaltomaintainingyourequipment.Toensure longserviceandefficientoperation,followthelubricationandmaintenanceschedulesoutlinedinthismanual. Theuseofproperfuels,oils,greaseandfilters,aswellaskeepingthesystemsclean,willalsoextendmachine andcomponentlife.
IMPORTANT: Alwaysusegenuine NewHolland replacementparts,oilsandfilterstoensureproperoperation, filtrationofengineandhydraulicsystems.Seeyour NewHolland dealerforadditionaloilquantities.
RECOMMENDEDLUBRICANTSANDCOOLANTS
Lubricant LocationUsed TypeandDescription
Oil EngineandPivotPoints withoutGreaseFittings, Chains SAE30APICF--2SJ
SAE30APICF--2SJ
5W--30APISG/CD 9673589DS 1Qt.
5W--30APISG/CD 9624590* 4L
10W--30APISG/CD
10W--30APISG/CD 9613359* 4L
15W--40APICF--4 9613290 1Qt.
15W--40APICF--4 9673730DS 1Gal.
15W--40APICF--4 9613303
15W--40APICF--4
15W--40APICF--4
Coolant Engine
1L
15W--40APICF--4 9613351* 4L
ESE--M97B18--D,EthyleneGlycolNewHollandSpec.CoolantConcentrate FGCC2701DS 1Gal. PropyleneGlycolConcentrate FGCC2711DS
HydraulicOil HydraulicSystem, HydrostaticSystem FrontAxleOil 134DñESN--M2C134--D NewHollandSpec.Hydraulicoil
134DñESN--M2C134--D 9613367* 4L
134DñESN--M2C134--D 9624785* 10L
HydraulicOil Optional,Multi-Seasonal Use,Recommendedfor LowTemperatures
Gearboxes
Grease AllGreaseFittings
80W90EPGearOilAPIGL5 9613295 1Qt.
80W90EPGearOilAPIGL5 9613294 2.5Gal.
80W90EPGearOilAPIGL5 9613375* 5L
85W140EPGearOilAPIGL5 9613297 1Qt.
85W140EPGearOilAPIGL5 9613296 2.5Gal.
85W140EPGearOilAPIGL5 9613376* 4L
LithiumbaseEPhightemperature 9861804DS Tube
LithiumbaseEPhightemperature 9861804CDS* Tube
BrakeFluid MineralBasedOil 1QM6C34Aor 86541699DS 1Qt.
*NOTE: CanadaPartNumbersONLY.
MINIMUMHARDWARETIGHTENINGTORQUES
INFOOTPOUNDS(NEWTON-METERS)FORNORMALASSEMBLYAPPLICATIONS
INCHHARDWAREANDLOCKNUTS
SAEGRADE2SAEGRADE5SAEGRADE8LOCKNUTS
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
REGULARNUTSSAEGRADE5 HEXNUTS SAEGRADE8 HEXNUTS
LOCKNUTS
GRADEIDENTIFICATION
GRADEANONOTCHES
GRADEBONECIRCUMFERENTIALNOTCH
GRADECTWOCIRCUMFERENTIALNOTCHES
GRADEIDENTIFICATION
GRADEANOMARKS
GRADEBTHREEMARKS
GRADECSIXMARKS
MARKSNEEDNOTBELOCATED
GRADEIDENTIFICATION ATCORNERS
GRADEANOMARK
GRADEBLETTERB GRADECLETTERC
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 FITTINGSINSTRAIGHTTHREADORING BOSSES
1.LubricatetheOringbycoatingitwithalightoilor petroleum.InstalltheOringinthegroove adjacenttothemetalbackupwasherwhichis assembledattheextremeendofthegroove,4.
2.InstallthefittingintotheSAEstraightthreadboss untilthemetalbackupwashercontactstheface oftheboss,5.
NOTE: Donotovertightenanddistortthemetal backupwasher.
3.Positionthefittingbyturningout(counterclockwise)uptoamaximumofoneturn.Holdingthe padofthefittingwithawrench,tightenthe locknutandwasheragainstthefaceoftheboss, 6.
Thesetorquesarenotrecommendedfortubesof 1/2″ (12.7mm)ODandlargerwithwallthicknessof 0.035″ (0.889mm)orless.Thetorqueisspecifiedfor 0.035″ (0.889mm)walltubesoneachapplication individually.
Beforeinstallingandtorquing37° flaredfittings, cleanthefaceoftheflareandthreadswithaclean
solventorLoctitecleanerandapplyhydraulicsealant Loctiteno.569tothe37° flareandthethreads.
Installfittingandtorquetospecifiedtorque,loosen fittingandretorquetospecifications.
SECTION00-GENERALINFORMATION-CHAPTER1
PIPETHREADFITTINGTORQUE
Beforeinstallingandtighteningpipefittings,clean thethreadswithacleansolventorLoctitecleaner andapplysealantLoctiteno.567forallfittings includingstainlesssteelorno.565formostmetal fittings.Forhighfiltration/zerocontamination systemsuseno.545.
INSTALLATIONOFORFS(O-RINGFLAT FACED)FITTINGS
WheninstallingORFSfittingsthoroughlycleanboth flatsurfacesofthefittings,1,andlubricatetheO-ring, 2,withlightoil.Makesurebothsurfacesarealigned properly.Torquethefittingtospecifiedtorquelisted throughouttherepairmanual.
IMPORTANT: Ifthefittingsurfacesarenotproperly cleaned,theO-ringwillnotsealproperly.Ifthefitting surfacesarenotproperlyaligned,thefittingsmaybe damagedandwillnotsealproperly.
IMPORTANT: AlwaysusegenuineNewHolland replacementoilsandfilterstoensureproper lubricationandfiltrationofengineandhydraulic systemoils.
Theuseofproperoils,grease,andkeepingthe hydraulicsystemcleanwillextendmachineand componentlife.
1/8″ --27
″ --18
″ --14
″ --14
⋅m(30ft.lbs.) 3/4″ --14
SECTION31-IMPLEMENTPOWERTAKEOFF(PTO)-CHAPTER1
SECTION31-IMPLEMENTPOWERTAKEOFF(PTO)
INTRODUCTION
TheModels2331and2332Discbine Discheaders aredesignedtoattachtothe2330BFadaptingframe forUseontheTV140Biderectionaltractor.The2331 and2332Mower-Conditionersutilizeconstant velocity50° U-jointsoneachendofthedriveshaftfor smoothoperation,andprovidetheabilitytoliftand lowertheheadduringPTOoperation.Thedriveshaft attachestothetractorPTOandtheheadercenter gearbox.
ACVjointconsistsofadoubleU-jointassembly,with thefront,1,andrear,2,yokesconnectedtogether withamechanicalconnection.Thisensuresthatboth thefrontU-jointandrearU-jointintheassemblyis operatingatthesameangles.Byoperatingatequal angles,theCVjointprovidesaconstantvelocity outputatalloperatingangles,andeliminatesthe vibrationthatcanresultfromoperatingtheU-jointat sharpangles.
TheCVjointdegreeratingindicatesthemaximum allowableoperatingangleoftheCVU-joint. Operationatanglesexceedingthatvaluewillresult inCVjointfailure.
The50° CVjointisconstructedwithnointermediate plate.Oneyokehasaball,1,ontherearstrapofthe yoke,whiletheopposingyokehasasocket,When thejointisassembled,theballofoneyokeis engagedinthesocketoftheother.Thetwojointsare connected,andoneyokemovestheotherto maintainequalangles.
Anoverrunningclutchisinstalledonthegearbox sideofthedriveshaft.Theclutchallowstherotating equipmentoftheheadercoasttoastopwhenthe operatordisengagesthePTO.Theproperoperation oftheoverrunningclutchwillminimizeweartothe headerandtractorPTO.
The2331and2332driveshaftisequippedwithan Auto-Lokslidelock,1,whichautomaticallylatchesin therearwardpositionwhenpulledback.Theshaft maythenbeheldwithbothhandstoguideitontothe tractorshaft.Astheyokeslidesontotheshaft,the slidelockcollarspringsforwardtolatchthePTO shafttothetractor.
Asthecollarisslidrearward,ittendstotwistorcock slightlysideways,allowingashoulderinthecollar,1, tocatchonaridgeintheyoke,Astheyokeisslidonto thetractorshaft,andthepawls,3,lineupwiththe grooveonthetractorshaft,fourballs,4,intheyoke arepushedoutwardbytheendoftheshaft.These fourballscenterthecollar,causingtheshoulderto disengagefromtheridgeandthecollarsprings forwardtolockthepawlsinthetractorPTOshaft groove.
AUTO-LOKSLIDELOCK
Disassembly
1.Pulltheslidelockcollarrearwarduntilitlatches inplace.Useascrewdriverorspringpickto removetheretainingring,1,fromtheendofthe yoke.
2.Slidethecollar,1,offtheyoke,andremovethe spring,2,fromtheyokebarrel.
NOTE: Thespringisinterferencefit,andwillhaveto beworkedofftheyokebarrel.
3.Removethepawls,3,byreachingintotheyoke boreandpushingthepawlsoutwards,sothat theycanbegrabbedandremoved.Removethe fourcenteringballs,4,fromtheyokeusingthe sameprocess.
4.Thoroughlycleanallslidelockcomponents. Cleantheyokeboreandpawlholes.Replacethe yokeifdamageorexcessivewearisfound.
Assembly
1.Coattheoutersurfaceoftheyokebarrel,1,with grease.Pushgreaseintothecenteringballbores andthepawlholesintheyoke.
2.Applygreasetothefourcenteringballs,2,and insertthemintotheirbores.Thegreasewillhold theminplace.
3.Applygreasetothesidesofthepawls,3,and insertthemintothesquareholes,positioning themsothatthelipofthepawlfacesintothe grooveintheyokebarrel.Thepawlsmustslide freelyupanddown,andmustbeflushwiththe topoftheyokebarrel.
4.Pushanewspringovertheyokebarreluptothe shoulder.
NOTE: Oneendofthespringhasasmallerdiameter thantheother.Besurethesmalldiameterofspring isupagainsttheshoulderontheyokebarrel.
5.Filltheinsideofthecollarcavitywithgrease.
6.Slidethecollar,1,overtheyokebarrel,ensuring thelargediameterendofthespringstaysinside thecollaragainstthefrontlip.
7.Pullthecollarrearwardpasttheretainingring grooveuntilitlatchesinplace.
8.Installtheretainingring,2,inthegroove.
9.Grabthecollarandmanuallycenteritontheyoke sothatitspringsforward.Thecollarmustslide freelyandthepawlsmustmoveupanddown afterassembly.
DRIVESHAFT
Removal
1.Removethedriveshaftclamp,Turnoutthe centercapscrew,2,about3/8″
2.Pullthedriveshaft,1,fromthecentergearbox, NOTE: Itmaybenecessarytoheattheoverrunning clutchhub,3,tobreaktheshaftloosefromthe gearbox.
Installation
1.Cleanthecentergearboxsplineshaftofrustand dirt.Lubricatetheshaftwithcorrosioninhibiting compound.
2.Slidetheoverrunningclutchendofthedriveshaft ontothecentergearboxsplineshaft.
3.Useasoftfacedhammerormalletandstrikethe tractorendoftheshaftandseattheshaft completelyonthegearboxspline.
4.Turninthecentercapscrew,1,andtightenas muchaspossibletopulltheclutchsecurelyonto thetaperedendofthegearboxshaft.
5.Installtheshaftclamp,Tightenthetwocap screwsto87N⋅m(64ft.-lbs.).
DRIVESHAFTGUARD
Removal
1.Insertascrewdriverintheslot,1,onthedrive shaftbell,andpushdownthenforwardtosnap theretainingringoutofitsgroove.Repeatthis procedureateachslot.Reachintotheendofthis shieldingwithascrewdrivertofinishpoppingthe retainingringoutofitsgroove.
2.Slidetheshieldingoffthedriveshaft.If necessary,taptheguardlightlywithasoftmallet tounseattheguardbushingfromtheshaft.
IMPORTANT: Removethegreasefittingsasneeded toallowtheguardtoslideofftheshaft.Ifthegrease fittingsarenotremoved,theinternalbushingsmay bepulledoutduringdisassembly.
Inspection
1.Thedrivelineguardsshouldbeinspectedforany signsofphysicaldamagesuchasdentsor bends.
2.Ifanydamageisfound,theguardsshouldbe replaced.
3.Inspecttheguardbushings.Replacethe bushingsiftheyarewornenoughtoallowguard movementwhenmountedontheshaft.
Installation
1.Slidetheguardontotheshaft.Usingtwo screwdrivers,workaroundthebellopening pressingtheretainingclipinitsslot.Presstheclip intoplacewithonescrewdriverwhileholdingthe alreadyseatedportioninplacewiththeother.
2.Installthegreasefittingsasneeded.Lubricate theU-jointandshaftbeforeoperatingthedisc mower.
U-JOINTS
Disassembly
1.RemovethePTOshaftfromtheunit,andremove theshieldingasdescribedpreviously.
2.Removetheinternalretainingrings,1,fromthe flangeyoke,2.
3.Removetheexternalsnaprings,3,byusingtwo flatbladescrewdrivers.Useonescrewdriverto holdoneendofthesnapring,whilepryingthe otherendoutofthegroovewiththeother screwdriver.
4.PlacethejointinaviseandUselighthammer blowstodriveupthebearing.Donottightenthe jointinthevise.
5.Holdthebearinginavise.Removethebearing fromtheyokebylighthammerblowsontothe flangeorbyrotatingit.
6.Turnthejointoverandplaceitinavise.Uselight hammerblowstodriveupthebearing.Donot tightenthejointinthevise.
7.Holdthebearinginavise.Removethebearing fromtheyokebylighthammerblowsontothe flangeorbyrotatingit.
8.Rotatetheflangeyokeuntilitisfreefromthe cross.
9.Positiontheyokeinapressorvise.Withasocket orbushingdriver,Uselighthammerblowsto driveoutthebearinguntilthecrosshasbottomed out.
10.Griptheloosenedbearinginthevise,anddrive theyokeoffthebearingbylighthammerblows ontothearms.
11.Turntheyokeoverandpositionitinapressor vise.Withasocketorbushingdriver,Uselight hammerblowstodriveoutthebearinguntilthe crosshasbottomedout.
12.Griptheloosenedbearinginthevise,anddrive theyokeoffthebearingbylighthammerblows ontothearms.
13.Rotatethecrossuntilitisfreeoftheyoke.
Inspection
NOTE: TheU-jointcrossandbearingsmustbe replacedanytimetheU-jointisdisassembled,even ifthecrossandbearingswerenothesourceof failure.
1.Inspecttheyokeearsforwearinthebearing area.Replacetheyokeifthereisanyevidence ofwear,orifthebearingareaisdistorted.The bearingcupsmustbeatightfitintheyokeear.
2.Inspecttheballandsocketconnectionbetween theyokesforexcessivewearorgalling.
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