5220,5320,5420,and 5520TractorOperation andTest
TECHNICALMANUAL
5220,5320,5420,and5520Tractor
OperationandTest
TM204918MAR02(ENGLISH)
Forcompleteserviceinformationalsosee:
5220,5320,5420,and5520Tractor
Repair ...............................
ComponentTechnicalManual4045
Engine
ComponentTechnicalManual4045
MechanicalFuelSystem ................
ComponentTechnicalManual3029
Engine ..............................
AlternatorsandStartingMotors ..........
TM2048
CTM104
CTM207
CTM125
CTM77
Foreword
Thismanualiswrittenforanexperiencedtechnician. Essentialtoolsrequiredinperformingcertainservice workareidentifiedinthismanualandare recommendedforuse.
Livewithsafety:Readthesafetymessagesinthe introductionofthismanualandthecautionspresented throughoutthetextofthemanual.
Thisisthesafety-alertsymbol.Whenyouseethis symbolonthemachineorinthismanual,bealertto thepotentialforpersonalinjury.
Technicalmanualsaredividedintwoparts:repairand operationandtests.Repairsectionstellhowtorepair thecomponents.Operationandtestssectionshelpyou identifythemajorityofroutinefailuresquickly.
Informationisorganizedingroupsforthevarious componentsrequiringserviceinstruction.Atthe beginningofeachgrouparesummarylistingsofall applicableessentialtools,serviceequipmentandtools, othermaterialsneededtodothejob,servicepartskits, specifications,weartolerances,andtorquevalues.
TechnicalManualsareconciseguidesforspecific machines.Theyareon-the-jobguidescontainingonly thevitalinformationneededfordiagnosis,analysis, testing,andrepair.
Fundamentalserviceinformationisavailablefrom othersourcescoveringbasictheoryofoperation, fundamentalsoftroubleshooting,generalmaintenance, andbasictypeoffailuresandtheircauses.
SECTION270—HydraulicSystemOperation,Tests,
Allinformation,illustrationsandspecificationsinthismanualarebasedon thelatestinformationavailableatthetimeofpublication.Therightis reservedtomakechangesatanytimewithoutnotice.
OperationalCheckoutProcedureInformation
Theprocedurescoveredinthisgroupareusedtogivea quickcheckoutofallthesystemsandcomponentsonthe unit.Thesecheckoutsshouldberuntoensureproper operationafteranyextendedstorage,whentheunit comesinforservice,andafterrepairshavebeenmade ontheunit.Theycanalsobehelpfulindeterminingthe valueoftheunitattrade-intime.Theunitshouldbe placedonalevelsurfacetorunthecheckouts.Allthe checkoutsshouldbedoneandallofthestepsofeach checkoutshouldbefollowed.
Eachcheckoutlists:
• Conditions—Howtheunitshouldbesetupforthe checkout.
• Procedure—Thespecificactiontobedone.
• Normal—Whatshouldhappenorbeheardorbeseen.
• IfNotNormal—Wheretogoifothertestsor adjustmentsareneeded.
Whenperformingthecheckout,besuretosetyour machineuptothetestconditionslistedandfollowthe sequencecarefully.The“Normal”paragraphgivesthe resultthatshouldhappenwhenperformingthecheckout. Iftheresultsarenotnormal,gototheSectionandGroup listedinthe“IfNotNormal”paragraphtodeterminethe causeandrepairthemalfunction.
Thephotographthataccompanieseachcheckout procedureisincludedtohelpconductthecheckout.
EngineOilLevelandConditionCheck
CONDITIONS:
• Machineparkedonflat,levelsurface.
• KeyswitchinOFFposition.
• Transmissioninparkposition.
• Enginenotrunforatleastfiveminutes.
PROCEDURE:
• Cleandirtfromareaarounddipstickopening.
• Removeandwipeoffdipstick.
• Installdipstickuntilseatedintube.
• Removedipstickandchecklevelandconditionofoil.
NORMAL:
• Oillevelbetweenfullandaddmarksofdipstick.

• Oilnotexcessivelythickorthin.
• Nofuelodorinoil.
• Novisibleforeignmaterialinoil.
IFNOTNORMAL:
• Addproperoiltofullmarkondipstick.(See TransmissionandHydraulicOilinTM2048Section10, Group20.)
• Replacecontaminatedoilandfilter.
• SeeSection220,Group15forDiagnosis,Tests,and Adjustments
CoolantLevelandConditionCheck
CONDITIONS:
• Machineparkedonflat,levelsurface.
• KeyswitchinOFFposition.
• Transmissioninparkposition.
PROCEDURE:
• Observelevelofcoolantinrecoverytank.
• Checkconditionofrecoverytankandtank-to-radiator hose.


NORMAL:
• Recoverytankandhoseingoodcondition,noholesor cracks.
• Coolantatfullmarkifengineatoperatingtemperature.
• Coolantclean;nooil,rust-likediscolorationorforeign materialinfluid.
IFNOTNORMAL:
• Replacerecoverytankorhose,addcoolant,and rechecklevelafteroperation.
• Addcoolanttopropermarkontank.
• Checkradiator-to-tankhoseandrecoverytankforholes orcracks.
• Changecoolantandflushcoolingsystem.
• SeeSection220,Group15forDiagnosis,Tests,and Adjustments.
TransmissionandHydraulicOilCheck
CONDITIONS:
• Machineparkedonflat,levelsurface.
• KeyswitchinOFFposition.
• Transmissioninparkposition.
PROCEDURE:
• Straddlemounttractors:Cleandirtfromareaaround dipstickopening(A).
• Isolatedopenoperatorplatformandcabtractors:Clean dirtfromareaarounddipstickopening(B).
• Removeandwipeoffdipstick.
• Installdipstickuntilseatedintube.
• Removedipstickandchecklevelandconditionofoil.
NORMAL:
• Oillevelbetweenfullandaddmarksofdipstick.
• Oilnotexcessivelythickorthin.
• Novisibleforeignmaterialinoil.
IFNOTNORMAL:
• Addproperoiltofullmarkondipstick.
• Replacecontaminatedoilandfilter.
• SeeDiagnosis,Tests,andAdjustments—CS/SS Transmission(Section250,Group15),Diagnosis,Tests andAdjustments(Section260,Group15),orDiagnosis (Section270,Group15)fortransmissionandhydraulic systemdiagnosis,testsandadjustments.


3-CylinderFanandV-BeltCheck
CONDITIONS:
• KeyswitchinOFFposition.
• Enginenotrunforatleast15minutes.
• Transmissioninparkposition.
PROCEDURE:
• InspectfanandV-beltfordamage.
• Checkbelttension.(SeeFan/AlternatorV-Belt Adjustment—5220and5320TractorsinSection220, Group15.)
NORMAL:
• Fanundamaged;nocracksorbentblades.
• Beltnotcracked,frayedorglazed.
• Beltdoesnot“squeal”duringoperation.
IFNOTNORMAL:
• Replacedamagedfanorbelt.
• Adjustbelttension.(SeeFan/AlternatorV-Belt Adjustment—5220and5320TractorsinSection220, Group15.)
OUO1082,0000142–19–13MAR01–1/1

4-CylinderFanandSerpentineBeltCheck
CONDITIONS:
• KeyswitchinOFFposition.
• Enginenotrunforatleast15minutes.
• Transmissioninparkposition.
PROCEDURE:
• Inspectfanandserpentinebeltfordamage.
• Checkbelttensioner(A)springtension.(SeeInspect andReplaceBeltTensioner—Models5420and5520in TM2048Section20,Group10.)
NORMAL:
• Fanundamaged;nocracksorbentblades.
• Beltnotcracked,frayedorglazed.
• Beltdoesnot“squeal”duringoperation.
IFNOTNORMAL:
• Replacedamagedfanorserpentinebelt.
• Replacebelttensioner.(SeeInspectandReplaceBelt Tensioner—Models5420and5520inTM2048Section 20,Group10.)

CompressorBeltCheck
NOTE:Three-cylinderengineshown.Someprocedures forthefour-cylinderengineareslightlydifferent. Seespecificsbelow.
NOTE:Airintaketuberemovedforclarityofphoto.
CONDITIONS:
• KeyswitchinOFFposition.
• Enginenotrunforatleast15minutes.
• Transmissioninparkposition.
PROCEDURE:
• Inspectbeltfordamage.
• 3-cylinderengines:Checkbelttension.(See Fan/AlternatorV-BeltAdjustment—5220and5320 TractorsandCompressorDriveBeltAdjustment— 3-CylinderinSection220,Group15.)
• 4-cylinderengines:Inspectbelttensionerandspring tension.(SeeInspectandReplaceBeltTensioner— Models5420and5520inTM2048Section20,Group 10.)
NORMAL:
• Beltnotcracked,frayedorglazed.
• Beltdoesnot“squeal”duringoperation.
IFNOTNORMAL:
• Replacedamagedcompressorbelt.
• 3-cylinderengines:Adjustbelttension.(See Fan/AlternatorV-BeltAdjustment—5220and5320 TractorsandCompressorDriveBeltAdjustment— 3-CylinderinSection220,Group15.)
• 4-cylinderengines:Replacebelttensioner.(SeeInspect andReplaceBeltTensioner—Models5420and5520in TM2048Section20,Group10.)

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