New Holland 1431, 1432 Mower Conditioner Service Repair Manual

1431,1432REPAIRMANUAL CONTENTS

SECTION00--GENERALINFORMATION

SECTION31--IMPLEMENTPOWERTAKEOFF(PTO)

SECTION35--HYDRAULICSYSTEM

SECTION39--FRAMES/TONGUEANDHITCHES

SECTION55--ELECTRICALSYSTEM

SECTION58--ATTACHMENTS/HEADERS

SECTION90--DECALS

ThesectionsusedthroughoutallNewHollandproductRepairmanuals maynotbeusedforeachproduct.EachRepairmanualwillbemadeupof oneorseveralbooks.

Thesectionslistedabovearethesectionsutilizedforthe1431,1432Disc Mower-Conditioners.

SECTION00-GENERALINFORMATION-CHAPTER1

SECTION00-GENERALINFORMATION

Chapter1-GeneralInformation

SPECIALTOOLS

ToolNumber

Section31

NHO1386

610R

LocalManufacture

LocalManufacture

LocalManufacture

Section58

FNH23ET95

FNH01221-2

FNH01221-3

MODEL1431

Description/Use

Pivottonguegearboxneckcapscrews

Snapringremover

Necklocknutremoval

Holdingtoolforneckhousing

Neckrollingtorquemeasurement

Topcapbearingcover

Cutterbartieboltholdingtool

Cutterbarwrench

SPECIFICATIONS

StandardTongueSwivelHitchTongue

OverallWidth Transportposition4000mm(13′3″)4000mm(13′3″) Fieldposition5791mm(19′0″)6274mm(20′7″)

OverallLength

Transportposition7925mm(26′0″)8484mm(27′10″) Fieldposition6375mm(20′11″)6934mm(22′9″)

Height

Transportposition2032mm(6′8″)2032mm(6′8″) Fieldposition1676mm(5′6″)1676mm(5′6″)

GroundClearance457mm(18″)457mm(18″)

WheelTreadWidth3772mm(148.5″)3772mm(148.5″) ........................

Weight2557kg(5600lbs.)2694kg(5900lbs.)

Driveline

Header

SECTION00-GENERALINFORMATION-CHAPTER1

TractorRequirement67KW(90HP)orgreaterwithstandard ............... category2or3ASAEhitchandPTO locations.Tworemotehydrauliccircuits capableof104bar(1500PSI).

InputSpeed1000RPMonly Drive1000RPMPTOwithslipclutch/overrunning ............................ clutch,enclosedgearsand(3)HBbanded beltswithspringloadedidlers.

CuttingWidth3906mm(13′0″) .....................

FlotationVertical&radial

WindrowWidth914mmto2438mm(3′ to8′) ...................

HeaderLiftHydraulic(master-slavesystem)

CutterBar

TypeModular No.ofDiscs8counter-rotating,2co-rotating KnivesperDisc2 ...................

DiscCuttingDiameter500mm(19.7″)

DiscDriveBevelgearsinsealedmodules ........................

DiscSpeed3000RPM

CuttingHeight,Approximate32mmto83mm(1.25″ to3.25″)

Conditioner

TypeIntermeshingrolls ............................

Drive4HBV-belt,enclosedgearswithu-jointdrives toupper&lowerrolls.

Rolls

TypeMoldedrubberwithintermeshingchevrondesign. Length2591mm(102″)

Diameter264mm(10.38″)

Speed640RPM ...........................

OperatingSpeed0to14KPH(0to9MPH)

TransportSpeed40KPH(25MPH)maximum

Capacity3.06H/hr(7.56A/hr)@10KPH(6MPH)& ................................. 80%fieldefficiency.

Tire31.5x13.5Lx15,6plytubelessagricultural ribimplementtire

TirePressure207kPaor2.07bar(30PSI).

Jack2000lb.capacityside-wind .....................................

TongueShiftHydraulic

MODEL1432

OverallWidth

StandardTongueSwivelHitchTongue

Transportposition4000mm(13′3″)4000mm(13′3″)

Fieldposition5791mm(19′0″)6274mm(20′7″)

OverallLength

Transportposition8052mm(26′5″)8611mm(28′″)

Fieldposition6502mm(21′′4″)7061mm(23′2″)

Height

Transportposition2184mm(7′2″)2184mm(7′2″)

Fieldposition1829mm(6′0″)1803mm(5′11″) .....................

GroundClearance406mm(16″)406mm(16″) .........................

WheelTreadWidth3772mm(148.5″)3772mm(148.5″)

Weight2582kg(5655lbs.)2719kg(5955lbs.) ...................................

Driveline

TractorRequirement67KW(90HP)orgreaterwithstandard category2or3ASAEhitchandPTO locations.Tworemotehydrauliccircuits capableof104bar(1500PSI).

InputSpeed1000RPMonly ......................

Drive1000RPMPTOwithslipclutch/overrunning clutch,enclosedgearsand(3)HBbanded beltswithspringloadedidlers.

Header

CuttingWidth3906mm(13′0″)

FlotationVertical&radial

WindrowWidth914mmto2438mm(3′ to8′) ...................

HeaderLiftHydraulic(master-slavesystem)

CutterBar

TypeModular

No.ofDiscs8counter-rotating,2co-rotating ......................

KnivesperDisc2

DiscCuttingDiameter500mm(19.7″)

DiscDriveBevelgearsinsealedmodules

DiscSpeed3000RPM

CuttingHeight,Approximate32mmto83mm(1.25″ to3.25″) ........

Conditioner

TypeFlail ............................

Drive4HBV-belt,enclosedgearswithu-jointdrives torotor.

Rotor

Length2591mm(102″) ...........................

Diameter560mm(22″)

Speed1011RPM(726RPMoptional) ...........................

SECTION00-GENERALINFORMATION-CHAPTER1

OperatingSpeed0to14KPH(0to9MPH)

TransportSpeed40KPH(25MPH)maximum

Capacity3.06H/hr(7.56A/hr)@10KPH(6MPH)& ................................. 80%fieldefficiency.

Tire31.5x13.5Lx15,6plytubelessagricultural ...................................... ribimplementtire

TirePressure207kPaor2.07bar(30PSI). .............................

Jack2000lb.capacityside-wind .....................................

TongueShiftHydraulic

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.

″ --27

⋅m(30ft.lbs.) 3/4″ --14

LABORGUIDE

Thefollowinglaboramountsarelistedasaguideonly.Workingconditionsandexperiencewillvarythetimeit actuallytakestocompleteeachjob.

SECTION31-ImplementPowerTake-off(PTO)

JobDescriptionHours

Auto-LokSlideLock,Rbld0.25 U-joints,replacecross; Standard0.3

SlipClutch,R&R0.50

SlipClutch,Rbld0.75

CenterPivotingGearbox

Gearbox,R&R1.50

Gearbox,Rbld2.25

GuidanceLink,R&RandShim0.50

RightHandGearbox

Gearbox,R&R1.75 (Includesremovingandreplacingconditionerdrivebelt) GearboxRebuild3.00

ConditionerDrivebelt,R&R0.50 ConditionerDriveGearbox

Gearbox,R&R2.00 (Includesremovingandreplacingtheconditionerrolldriveshafts) Gearbox,Rbld2.00

SECTION35-HydraulicSystem

JobDescriptionHours SwingCylinder,R&R0.50 Rbld0.75

MasterCylinder,R&R0. Rbld0.50

SlaveCylinder,R&R0. Rbld0.50

TiltCylinder,R&R0.3 Rbld0.50

SECTION39-Frames/TongueandHitches

JobDescriptionHours

HoodLinerR&R1.0 (bothsides)

HoodR&R1.5

SECTION58-CutterBar

JobDescriptionHours

FailureDiagnosis0.50

TopCap,R&R0.50

CutterBarDriveShaft,R&R0.33

CutterBarDriveShaft,Rbld1U-joint0.33

CutterBarAssembly,R&R1.25

DiscModule,R&R0.75

DiscModule,Rbld1.00

Lowerconditionerroll,R&R2.00

LowerdriveshaftR&R(includesretimingrolls)0.50

Replace1universaljoint0.25

UpperdriveshaftR&R0.30

Replace1universaljoint0.25

Upperconditionerroll(lowerrollR&Rnotincluded)2.50

ConditionerbeltR&R0.30

LeftsidetorsionbarR&R0.75

LeftsidetensionarmR&R1.25 (includeslefttorsionbarR&R)

RightsidetorsionbarR&R2.00 (includeslefttorsionbarR&R)

RightsidetensionarmR&R2.50 (includesrighttorsionbarR&R)

ConditionerBeltR&R0.50 (withadjustment)

FlailR&R0.50 (eachgroupofsix,w/shaft)

RotorR&R2.0 (withoutrepairstorotor)

SECTION31-IMPLEMENTPOWERTAKEOFF(PTO)-CHAPTER1

SECTION31-IMPLEMENTPOWERTAKEOFF(PTO)

Chapter1-DriveLines(StandardTongue)

TongueJackshaft-Disassembly31-16

TongueJackshaft-Assembly31-18 ................................................

1431/1432STANDARDTONGUE

INTRODUCTION

The1431/1432discmower-conditionersutilize constantvelocityU-jointdrivelinesforsmooth operation,andtoprovidetheabilitytoswingthe tongueduringPTOoperation.TheprimaryPTOshaft isequippedwithan80° CVU-joint,1,atthetractor end,anda50° CVU-joint,2,atthemowerendofthe shaft.TheprimaryPTOshaftattachestothefrontof thetonguejackshaft;thetonguejackshaftthen transferspowerbacktoapointmidwayalongthe tongue.

ThesecondaryPTOshaftattachestotherearofthe tonguejackshaftandusesconventionalU-joints,1, atbothendsoftheshaft.The1431and1432are availableasa1000RPMPTOunitsonly.

A4832-7

A4897-11

ACVjointconsistsofadoubleU-jointassembly,with boththefront,1,andrear,2,yokesconnected togetherwithamechanicalconnection;thisensures thatboththefrontU-jointandtherearU-jointinthe assemblyareoperatingatthesameangles.By operatingatequalangles,theCVjointprovidesa constantvelocityoutput(hencethename,CVjoint) atalloperatingangles,andeliminatesthevibration thatcanresultwhenturningsharpinthefield.

TheCVjointdegreeratingindicatesthemaximum allowableoperatingangleoftheCVU-joint; operationatanglesexceedingthatvaluewillresultin CVjointfailure.The80° CVjointconsistsofafront andrearjoint,whichhaveasphericalballjoint,3,in thestrapoftheyokes.Thecenterhousingofthejoint assemblycontainsafloatingintermediateplate,4, withapinprotrudingfromthecenterofeachside. WiththeCVjointassembled,thesphericalballjoint, 3,ontheyokesfitoverthepinontheintermediate plate,4.Asoneyokemoves,itshiftstheintermediate plate,andtheoppositeyokeaswell,tomaintainthe sameoperatinganglesofbothU-joints.The maximumoperatingangleoccurswhenthe intermediateplatepincontactstheedgeofthecenter housingopening.

The50° CVjointdiffersinthatthereisno intermediateplate;theoneyokehasaball,1,onthe strapoftheyoke,whiletheopposingyokehasa socket,2;whenthejointisassembled,theballonthe oneyokeisengagedinthesocketoftheother;inthis way,thetwojointsareconnected,andoneyoke movestheothertomaintainequalangles.Whilethe 50° CVjointhasfewerpartstowear,themaximum operatingangleisless,astheyokeswillcontactthe centerhousingsooner.

AUTO-LOKSLIDELOCK

The1431and1432areequippedwithanAuto-Lok slidelock,1,whichautomaticallylatchesinthe rearwardpositionwhenpulledback.Theprimary PTOshaftmaythenbeheldwithbothhandstoguide itontothetractorshaft;astheyokeslidesontothe tractorshaft,theslidelockcollarspringsforwardto latchthePTOshafttothetractorshaft.

TheAuto-Lokslidelockworksasfollows;asthe collarisslidrearward,ittendstotwistorcockslightly sideways,allowingashoulderinthecollar,1,tocatch onaridgeontheyoke,2.Astheyokeisslidontothe tractorshaft,andthepawls,3,lineupwiththegroove onthetractorshaft,fourballs,4,intheyokeare pushedoutwardbytheendoftheshaft.Thesefour ballscenterthecollar,causingtheshoulderto disengagefromtheridge,andthecollarsprings forwardtolockthepawlsinthetractorPTOshaft groove.

AUTO-LOKSLIDELOCK-DISASSEMBLY

1.Pulltheslidelockcollarrearwarduntilitlatches inplace.Useascrewdriverorspringpickto removetheretainingring,1,fromtheendofthe yoke.

2.Slidethecollar,1,offtheyoke,andremovethe spring,2,fromtheyokebarrel.

NOTE: Thespringisaninterferencefit,andwillhave tobeworkedofftheyokebarrel.

3.Removethepawls,3,byreachingintotheyoke boreandpushingthepawlsoutwards,sothat theycanbegrabbedandremoved.Removethe fourcenteringballs,4,fromtheyokeusingthe sameprocess.

4.Thoroughlycleanallslidelockcomponents. Cleantheyokeboreandpawlholes.Replacethe yokeifdamageorexcessivewearisfound.

AUTO-LOKSlideLock-Assembly

1.Coattheoutersurfaceoftheyokebarrel,1,with grease;pushgreaseintothecenteringballbores andthepawlholesintheyoke.Applygreaseto thefourcenteringballs,2,andinserttheminto theirbores;thegreasewillholdtheminplace. Applygreasetothesidesofthepawls,3,and insertthemintothesquareholes,positioning themsothatthelipofthepawlfacesintothe grooveintheyokebarrel.Thepawlsmustslide freelyupanddown,andmustbeflushwiththe topoftheyokebarrel.

2.Pushanewspringovertheyokebarreluptothe shoulder.

NOTE: Oneendofthespringhasasmallerdiameter thantheother.Besurethesmalldiameterofspring isupagainsttheshoulderontheyokebarrel.

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