PROVEN PERFORMANCE PROVEN PERFORMANCE
F4GE0404B--F4GE0454C--F4GE0484G
Thefollowingmodelsaretointegraterepairmanuals: NEWHOLLANDLM1330--LM1333--LM1330Turbo--LM1333Turbo LM1340Turbo--LM1343Turbo--LM1345Turbo
LM1443Turbo--LM1445Turbo--LM1745Turbo
Everyinformation,illustrationandspecificationcontainedinthepresentmanualisbasedonthemostrecentinforma-tionavailableatthetimeofprinting.
NEWHOLLANDreservestheright,tomodifythetextatanytimewithoutpriorcommunication.
REPAIRMANUALFORCNHU.K.ENGINES
F4GE0404BF4GE0454C F4GE0484G NEWHOLLAND PrintNo.604.13.694 Edition--May2006
2 WE 2 MOTORI
TOTHEREADER
- Thismanualwaswrittenforaskilledtechnician andcontainsallthetechnicalinformationneeded torepairthisvehicle.
- Readthismanualcarefullyfortheinformation concerningrepairingoperations.
FURTHERREFERENCES PAGENUMBER
- Foranyquestionorcomment,orshouldyouno-ticeanymistakeconcerningthecontentofthis manual,pleasecontact: NEWHOLLAND StradaSettimo,323 SanMauroTorinese(TO) 10099ITALIA PRODUCTSUPPORT Fax++390110077357
- Everypagecarriesanumberonthetoprightcorner.Everypagecontainsthefollowinginformation:
Example:: T1--2--3
Progressivepagenumberforeachgroup
Groupnumber(ifany)
Sectionnumber
S: Safetyrules
Operationprinciple
T: TechnicalsectionPerformancetests Faultdiagnosis
W: Instructionsectionforexcavatorrepairing
EW: Instructionsectionforenginerepairing
SYMBOLS
Thismanualcontainssafetywarningsymbolsandindicationsreferringtopossibleinjuriesorvehicledamages.
Thissymbolregardssafety.
Usegreatcarewhenyouseethissymbolbecausepossibleinjuriestothepersonnelmayoccur. Strictlyobservetheprecautionsmarkedwiththissymbol.
Thesafetywarningsymbolisusedalsotodrawattentionontheweightofacomponentoranelement. Makesureyouarealwaysusingtherightequipmentandliftingtechniqueswhenhandlingheavy loads,inordertopreventinjuriesordamages.
! IN--1 INTRODUCTION
INTRODUCTION
UNITOFMEASURE
ThismanualadoptstheunitsofmeasurebasedontheInternationalSystem. TheMKSAsystemunitsofmeasureareindicatedwithinbracketsaftertheunitsofmeasureoftheInternational System.
Example:24.5Mpa(250kgf/cm2).
ThefollowingtableconvertstheInternationalSystemunitsofmeasureinsomeofthemainunitsbelongingto othersystems.
IN--2
Quantity Toconvert from(IS) in (Others) Multiplyby Quantity Toconvert from(IS) in (Others) Multiplyby Length mm in 0.03937 Pressure MPa kgf/cm2 10.197 eng mm ft 0.003281 ressure MPa psi 145.0 L USgal 0.2642 Power kW PS 1.360 Volume L USqt 1.057 ower kW HP 1.341 m3 yd3 1.308 Temperature °C °F °Cx1.8+32 Mass kg lb 2.205 Speed km/h mph 0.6214 Force N kgf 0.10197 pee min--1 rpm 1.0 orce N lbf 0.2248 Capacity L/min USgpm 0.2642 Torque N.m kgf.m 0.10197 apac mL/rev cc/rev 1.0 N.m lbf.ft 0.7375
REPAIRMANUAL ENGINES
INDEXOFSECTIONS
Section1 --Diagnostics
Section2 --Enginesoverhaul: --FAGE0404B --FAGE0454C --FAGE0484G
Section3 --Rechargingandstart--upEW--3--1
EW--1--1
EW--2--1
4 WE MOTORI
DIAGNOSTICS
INDEX
Diagnostics
EW--1--3
EW--1--3 SECTION1
Mainengineoperatinganomalies
INDICE
MAINENGINEOPERATING ANOMALIES
1--Enginewon’tstart; 2--Engineoverheats; 3--Enginelackspowerandworkserratically; 4--Engineexhaustsmokeblackordarkgrey; 5--Engineexhaustsmokegrey(vergingon white);
1 ENGINEWON’TSTART
Connectionstobatteryterminalsareinworking order
6--Engineexhaustsmokelightblue; 7--Engineknocksirregularly; 8--Enginestops; 9--Engineexceedsmax.revsnumber; 10--Excessiveorinsufficientoilpressure; 11--Excessivefuelconsumption; 12--Enginewon’tstop.
Clean,check,tightenorreplaceclampnuts.
Batteriesinworkingorder
Carryoutthechecksdescribedinthe“Electric system”repairmanual.
StartermotorinworkingorderCarryoutthechecksdescribedinthe“Electric system”repairmanual.
ThermalstarterinworkingorderReplace.
InjectionpumptimedVerifycorrecttimingasdescribedintherelevant chapter.
YES YES YES YES NO NO NO NO NO (tobecontinued)
EW--1--3
DIAGNOSTICS
DIAGNOSTICS
InjectorsinworkingorderCheckoperationandadjust.
Thefeedingcircuitorinjectionpumpdoesnot showairpenetration
Checkandblowoff.
Thefeedingcircuitorpumpdoesnotshowtraces ofwater
Checkandcleanthefeedingcircuit(includingthe tank).
PrescribedcompressionratioOverhaultheengineormakerepairsonlyon concernedparts(valves,pistonrings,etc.).
FuelfiltersinworkingorderReplace.
AutomaticadvancevariatorandelectricSTOP devicebothinworkingorder
Checkandreplacetheconcernedparts.
FuelpumpfedcorrectlyCheckandreplace(ifnecessary)thefuelpump.
FueltanksuppliedcorrectlyRefuel.
NO NO NO NO NO NO
NO
YES NO YES YES YES YES YES YES EW--1--4
Coolantlevelcorrect
DIAGNOSTICS
Checkforleaksandrestorethelevel.
Fanandwaterpumpdrivebeltsinworkingorder
Checkforleaksandrestorethelevel.
WaterpumpinworkingorderOverhaulorreplacetheunit.
ThermostatinworkingorderReplace.
RadiatorinworkingorderWashdownthoroughly,checkforfluidleaks,re-place(ifnecessary)thepart.
AirfilterandcircuitpipingbothinworkingorderCleanorreplacefaultyparts.
Openingsforcoolantflowtotheheadinworking order Washdownthoroughly.
2 ENGINEOVERHEATS
YES YES YES YES YES
NO NO NO NO NO NO YES
NO EW--1--5
DIAGNOSTICS
ValvetimingcorrectCheckandperformcorrecttiming. YES NO
InjectionpumptimedCheckcorrecttimingasdescribedintherelevant paragraph.
CylinderheadgasketinworkingorderReplace.
FaninworkingorderReplace.
AirfilterinworkingorderCleantheunitandreplace(ifnecessary)thefilter element.
FuelfiltersinworkingorderReplacebyfollowingtheinstructionsgiveninthe “OwnerHandbook”.
FeedingcircuitinworkingorderCheckandmake(ifnecessary)therequiredre-pairs.
3 ENGINELACKSPOWERANDWORKS ERRATICALLY (tobecontinued)
YES YES
YES YES
NO NO NO NO NO NO
EW--1--6
DIAGNOSTICS
Thefeelingcircuitdoesnotshowimpuritiesand/ ortracesofwater
Takeoffthepipesandinjectionpump,cleanthem thoroughly,thenclean(ifnecessary)anddrythe fueltank.
ThermostatinworkingorderReplace.
FuelpumpinworkingorderReplace.
InjectorsinworkingorderCheckoperationandadjustthem.
InjectionpumptimedCheckcorrecttimingasdescribedintherelevant paragraph.
Automaticadvancevariator(ininjectionpump)in workingorder
Checkandbench--adjusttheinjectionpump.
Distributingplunger(ininjectionpump)inwork-ingorder
Checkandbench--adjusttheinjectionpump.
YES YES
YES
YES YES
NO NO NO NO NO NO YES
NO
EW--1--7
(tobecontinued)
DIAGNOSTICS
InjectionpumpratecorrectCheckandbench--adjusttheinjectionpump.
Speedgovernor(ininjectionpump)inworking orderatallspeeds
Checkandbench--adjusttheinjectionpump.
CircuitandL.D.A.devicebothinworkingorderCheck.
Injectionpumpwithpeakadjusting--screwfine-tuned Fine--tunethepeakadjusting--screw.
CorrectplaybetweenthevalvesandrockerarmsAdjusttheplaybetweenthevalvesandrocker arms.
PrescribedcompressionratioCheckandbench--adjusttheinjectionpump.
TurbochargerinworkingorderRepairorreplacetheunit. NO
Correcttierodlengthbetweentheaccelerator andinjectionpump Adjustthetierodlength. NO
YES
YES YES
YES YES
NO NO NO NO NO NO YES
YES
EW--1--8
DIAGNOSTICS
AirfilterinworkingorderReplace.
ThermalstarterinworkingorderReplace.
AutomaticadditiondevicecomesintooperationCheckandreplace(ifnecessary).
InjectorsinworkingorderCheckoperationandadjustthemasdescribed.
InjectionpumptimedCheckcorrecttimingasdescribedintherelevant paragraph.
L.D.A.deviceinworkingorderAdjusttheL.D.A.device.
InjectionpumpadjustedasprescribedCheckandbench--adjusttheinjectionpump.
YES YES YES
YES YES
NO NO NO NO NO NO 4 ENGINEEXHAUSTSMOKEBLACKOR DARKGREY YES
NO
EW--1--9
(tobecontinued)
DIAGNOSTICS
PrescribedcompressionratioCheckbymeansofaMotometer75301430tool andcarryoutthenecessaryoperations.
High--qualitydieselfuelCleanthetankandreplacethedieseloilfilter.
5 ENGINEEXHAUSTSMOKEGREY (VERGINGONWHITE)
ThethermostatcomesintooperationcorrectlyReplace.
InjectorsinworkingorderCheckoperationandadjustasdescribedinS.I. 1094.
InjectionpumptimedCheckcorrecttimingasdescribedintherelevant paragraph.
CoolantlevelcorrectPossibleflowofcoolantintothecombustion chamber;replacethecylinderheadgasketor overhaultheengine.
InjectionpipesintactChecktheconditionofpipesandreplacethem(if necessary). YES NO (tobecontinued)
YES YES
YES YES
NO NO NO NO NO NO
EW--1--10
High--qualitydieseloilCleanthetankandreplacethedieseloilfilters.
ExcessiveoilconsumptionChecktheoilvapourventandcylindercompres-sion.Overhaul,ifnecessary,thecylinderheador engine.
KnockdetectedintheinjectionpumpPerformcorrecttimingofinjectionpumponthe engine.
KnockdetectedinthedriveshaftCheckthefollowingitems:journalplayandout-of--roundness;screwfasteningforbedcapsand engineflywheel;oilpressure.Replacetheparts oroverhaultheengine.
KnockdetectedintheconnectingrodsCheckthefollowingitems:crankpinplayand out--of--roundness;screwfasteningforconnect-ingrodcaps;connectingrodsquaring.Replace thepartsoroverhaultheengine.
KnockdetectedinpistonsCheckthefollowingitems:playbetweenthepis-tonsandthecylinderliners;integrityofpiston rings;playbetweenthepinsandthepistonhubs. Replacethepartsoroverhaultheengine.
NO NO
YES YES YES YES 6 ENGINEEXHAUSTSMOKELIGHTBLUE
7 ENGINEKNOCKSIRREGULARLY (tobecontinued)
NO
NO YES EW--1--11
DIAGNOSTICS
DIAGNOSTICS
KnockdetectedinthecylinderheadCheckthefollowingitems:operationplaybe-tweentherockerarmsandthevalves;injection pumptiming;valvetiming.Adjust.
KnockdetectedinthevalvegearCheckandreplace(ifnecessary)thegears; moreover,checkforbrokensprings,forexcess-iveplaybetweenthestemsandguides,the tappetsandseats.Adjusttheplaybetweenthe valvesandrockerarms.
KnockdetectedininjectorsCheckandadjustasdescribedinS.I.1094,then replace.
KnockdetectedintheengineflywheelReplaceloosescrewsandtightenallscrewsto thespecifiedtorqueandangles.
KnockdetectedinthefuelpipingCleanthepipesandreplacethepipesthatshow evidentdents;clean(ifnecessary)theinjection pump.
NO NO
YES YES YES
NO YES NO
YES FueltankfilledRefuelanddrain(ifnecessary). FuelfiltersinworkingorderReplace. YES NO NO 8 ENGINESTOPS (tobecontinued) EW--1--12
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