Jeep UNIVERSAL CJ-3A User manual

LockYour Car
YourJeepisequippedwithanIgnition
Locktoprotectitagainsttheft.
Lockingisa partofparking. Theigni-
tionswitchisoperatedbya keywhich
shouldberemovedafterturningoff
theignition.
CAUTION:Everyownershouldrecord
thenumber oftheignitionlockkeyso
thatincasethekeysare lostothersmay
beobtainedbynumber. See Page6.
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Willys-Overland
OWNER’SMANUAL
UniversalJeep
ModelCJ-3A
FIRSTEDITION
Copyright1948
Willys-Overland Motors
Willys-Overland ExportCorporation
Toledo, Ohio, U.S. A
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3
Foreword
IN YOURpossessionisamotorvehiclethathasbeenthoroughlytestedandinspected.Likeanyotherpieceofmachinery, to
maintainitinfirstclasscondition, youshouldlubricateit atthetimeprescribedwiththepropergradeofoilandgreaseandkeep
all workingpartsandoilholescleanandfreefromdirtandgrit.Youshouldalsoperiodicallyhaveitsystematicallyinspectedat
anAuthorizedWillys-OverlandServiceStation.
Inthefollowingpageswehavesetforththeknowledgeeveryownershouldhaveofhisvehicle,that hemayknowhowtotake
thebestcareofitandhandleitinsuchawaythathewillgetmaximum service. Informationisalsomadeavailablecovering
externaladjustmentsandminoremergencyrepairs. Readand follow theseinstructionscarefully;wearesurethatyouwillthen
enjoythesatisfactoryoperationthat yourightfullyanticipate.
Shouldadjustment orrepairseemnecessarybeyond yourability, don’texperiment;havetheworkdonebyacompetentrepair
man.It willalwaysprovebestandcheapestin the end tohavetheworkdonebytheDealerfromwhomyoupurchasedyourcar.
ManyWillys-OverlandDealershavefactorytrainedmechanicsandallarefamiliarwiththeconstructionandadjustmentsthrough
thecooperationoftheManufacturer.
Donot attemptanyadjustmentsaslongasthevehicleisoperatingsatisfactorily.
BesuretoobtaintheOwnerServicePolicy, providedbyyourDealerondeliveryofyournewvehicle.
Caution
AcceptanduseonlyGenuineFactoryParts
Imitationpartsareusuallyofinferiorqualityandcandoseriousdamagetoothermechanicalpartsofyourvehicle.
GenuinepartsaresoldbyallauthorizedWillys-OverlandDealers. Besurenoneotherthangenuinepartsareplacedinyour
vehicle.
PresenceofpartsotherthanthosefurnishedbyWillys-Overland willvoidthemanufacturer’sWarranty.
NOTE:PartsreplacedunderthetermsoftheWarranty(Page4)mustbeleftwiththeWillys-OverlandDealerwhomakesthe
replacement, iffull credit isexpected.
Thisisimportant forOwnerstoknow, whentravelingoutsidetheterritoryinwhichtheirvehiclewasoriginallypurchased,
particularlywhencredit foroldpartscannotbeestablishedtothesatisfactionoftheDealer.
Inthisconnection,aforwardingaddressshouldbegivenbytheOwnerinordertoinsurethecredit reachinghim.
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4
Standard Warranty
HEonlyWarrantyunderwhichnewWillys-OverlandMotorVehiclesaresoldisthatoftheManufacturer,beingthe
StandardWarrantyrecommendedbytheAutomobileManufacturer’sAssociation,andisasfollows:
“Thisistocertifythatwe, WILLYS-OVERLAND MOTORS, INC.,TOLEDO, OHIO, U.S.A. warranteachnewmotor
vehiclemanufacturedbyus, tobefreefromdefectsinmaterialandworkmanshipundernormal useandservice, our
obligation underthisWarrantybeinglimitedtomakinggoodatourfactoryanypartorpartsthereof,includingallequipment
ortradeaccessories(excepttires)suppliedbytheCarManufacturer,whichshall, withinninety(90)daysaftermaking
deliveryofsuchvehicletotheoriginalpurchaserorbeforesuchvehiclehasbeendriven4000miles(6400Km.),whichever
eventshall first occur,bereturnedtouswithtransportation chargesprepaid,andwhichourexaminationshall disclosetoour
satisfactiontohavebeenthusdefective; thiswarrantybeingexpresslyinlieuofall otherwarrantiesexpressedorimpliedand
ofallotherobligationsorliabilitiesonourpart,andweneitherassumenorauthorizeanyotherpersontoassumeforusany
otherliabilityinconnectionwiththesaleofourvehicles.Thiswarrantyshallnotapplytoanyvehiclewhichshallhavebeen
repairedoralteredoutsideofanAuthorizedWillys-Overland Service Stationinanywaysoas,inthejudgmentofthe
Manufacturer,toaffectitsstabilityorreliability, norwhichhasbeensubjecttomisuse,negligenceoraccident.”
TheManufacturermakesnowarrantyagainst,norassumesanyliabilityforanydefect inmetal orothermaterialinanypart,
deviceortradeaccessorywhichcannotbediscoveredbyordinaryfactoryinspection.
WILLYS-OVERLAND MOTORS, INC.
NOTE—Willys-OverlandMotors, Inc., reservestherightat anytimeortimestorevise,modify, discontinueorchangeany
modelsofitsvehicles, oranypartorpartsthereof, withoutnotice; and,withoutit ortheSeller,incurringanyliabilityor
obligation tothePurchaser.
T
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5
GeneralData
Engine—ModelCJ-3A
NumberofCylinders4
Bore3-1/8”79.37mm.
Stroke4-3/8"111.12mm
PistonDisplacement134.2cu.in.2199.53cc
CompressionRatio6.48to1
HorsepowerSAE15.6
HorsepowerActual60
Revolutionsperminute4000
Torque~MaximumLbs.Ft10514.5kg.m
Revolutionsperminute2000
Wheelbase80”203.2cm.
Tread48-1/4”122.55cm
Overall Width68-25/32”174.703cm
Overall Height—Topup69-7/32”175.81cm
—Topdown53-1/2"135.89cm
Overall Length126-25/32”322.023cm
RoadClearance8-3/32"20.556cm
*WeightMaximum PayLoad800 lbs.362.88kg
Shipping(Lesswater,oilandfuel)2110lbs.955.83kg
Curb(Includingwater,oilandfuel)2203lbs.997.95kg
Gross (Loaded)3500lbs.1585.50kg
*If equippedwithaluminumfullenclosureadd55lbs.. (24.95kg.)—if
aluminumcabonlyadd40lbs.(18.14kg.).
MaximumApprovedDrawBarPull
(ContinuousOperation)1200lbs.544.32kg
FuelTankCapacity10.5gals.39.74liters
CoolingSystemCapacity11 qts.10.41liters
LAMPBULBS
HeadLamp(7in. SealedBeamType)
UpperBeam45 watts
LowerBeam35 watts
ParkingLampBulb3CP-SC--No. 63
TailandStop LampBulb21-3CP-DC—No. 1158
Instrument LampBulb2CP-SC---No. 55.
Fuse(ThermalType)-—OnLightSwitch30 Amperes
LocationofSerialNumber:Plateonrightsideofdashunderhood.
LocationofEngineNumber:Stampedonwaterpumpboss.
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6
Inspection
YourJeepwascarefullylubricatedand inspectedatthefactoryandagainthoroughlyservicedbytheSellingDealer.
Afteryourvehiclehasbeenoperated1000miles(1600 Km.)andalso2000 miles(3200Km.),return ittoyour
Dealerforthefree inspectionsinaccordance withFactoryService Policy. Theseinspectionsarefree withthe
exceptionof engineoiland anti-freezesolutionused.
Free Inspection
1000 Mile(1600Km.)
2000 Mile(3200Km.)
Checksteeringsystemand frontwheelalignment.
Checkspringclipnutsand springshackles.
Checkrearaxleforoiland leaks.
Adjustbodybolts.
Testservice andhandbrakes—Inflatetires.
Checkcoolingsystemforleaksandanti-freezeandfanbeltadjustment.
Adjustclutchpedal.
Checkoperationof transmissionandtransfercase—Checkforoil levelandleaks.
Checkbattery, generatoroutput, headlampsandhorn.
Tightenuniversaljointcompanionflangebolts.
Checkoperationof ammeter, heatindicator,fueland oilgauges.
Tightencylinderheadnuts—Checktimingand distributorpoints.
Setsparkplugs—Adjustcarburetor—Checkthrottlecontrols.
Checkengineforoil leaks—Checkfuellineconnections.
Adjustvalvetappets,ifrequired.
Changeengineoil (chargeforoil)—Lubricatevehicle.
Cleanandrefill, aircleaner.
Cleanfuelpumpsumpandstrainer.
Checkextraequipmentattaching screws—Checkforoil levelandleaks.
FILL INFORYOURREFERENCE
VehicleSerialNumber
EngineSerialNumber
PurchaseDate
IgnitionKeyNumber
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7
SPECIALPRECAUTIONS
Thereareseveralpointsof difference betweentheUniversalJeepand aconventionalvehicletoreceiveattention.As
ageneralprecautionand foryourinformationwearelistingthese“cautions”below:
TheJeepisequippedwithatransfercaseand four-wheeldrivetoprovideadditionaltractionandalowergearratio
foruseondifficult terrain.Usethefrontwheeldriveonlywhennecessary. Considerthefrontwheeldriveand the
transfercaseasalowergearratiothanthestandard transmissionlowgearanduseitonlywhengreaterpoweris
required.
Theuseof four-wheeldriveonhardsurfacedhighwayswill resultinrapidtirewearandhard shiftingof thetransfer
case, particularlywhenthefrontwheelsaresteeredevenataslightanglefromthestraightaheadposition. Ifhard
shifting occurs,disengagetheclutch,startengine,shifttransmissionintoreversegear,backvehicleafewfeet,and
disengageclutch.Iftransfercaseisinlowrange, shiftintohighthenshiftfrontaxledriveinto“out” position(lever
forward).
Twodraincocksareprovidedtodrainthecoolingsystem. Adraincockislocatedundertheleftsideof theradiator,
however,itisnecessarytodrainthecylinderblockseparately. Thecylinderblockdrainislocatedattherightfront
cornerof theblockdirectlyunderthegenerator. Loosentheradiatorfillercaptobreakthesealandpermitcomplete
draining.
Checkthelevelof thelubricantofteninthetransmissionandtransfercase.Besurethelubricantisatfillerlevelin
bothunitsatalltimes.
As astandard,theclutchpedalisadjustedwith 114”(31.75 mm.)free travel.As theclutchwearsthisbecomesless.
Besurethatthereisfree travelatalltimestopreventcontinuousoperationof theclutchreleasebearingand rapid
wearandslippageof theclutch.Thisadjustmentismadebylengtheningorshorteningtheclutchcontrolcable.
Theventilatorvalve, mountedintheintakemanifold,mustbefree tooperate.Ifitisstuckopenveryunevenengine
operationatlowspeedwill result.
Besuretheexhaustmanifoldheatcontrolvalveisfree atalltimesandthethermostaticcontrolspringisabovethe
stop.
Sixscrewsareusedtoattachthefrontwheelbrakebackingplateandspindletothespindlehousing.Thesescrews
arestandard indimensionsandthreadpitch, however,theyaremadeof special steeland receivespecial heat
treatment.Safetydemandsthatonlygenuinefactoryscrewsbeusedatthispoint.
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8
Proper Operation
DRIVINGANEW“JEEP”
Donotrunyour“UniversalJeep”fasterthan40milesanhour(64 Km./h.)forthefirst500 miles(800Km.)orif usedon
thefarmorforindustrialoperation,usecarewhenpullingheavyloadsinthelowergearratios.If the vehicleisoperatedat
highspeedswhileneworusedforheavypullingforalongperiod, thecloselyfittedpartsmightpossiblybecome
overheated,resultinginscoredpistons,cylinders orburnedbearings.Duringitsentirelife,neverracetheenginewhile
makingadjustmentsorwhenthevehicleisstandingidle.Ifthevehicleisnotproperlylubricated,ourWarrantyisnulland
void.BesuretohaveyourWillys-OverlandDealerinspectyourvehicleattheendof1000miles(1600Km.)orequivalent
usageandagainat 2000miles(3200 Km.).
TOMAKEVEHICLEREADY.
Fill theradiatorwithclean,soft water.Putgasolineinthetank.
Fill theoilreservoirthroughthefillerpipeatrightsideofengineuntil theoilindicatorstickregisters“FULL”. (See
“LubricationChart”,Page36).Supplyallpartsrequiringlubricationwithoilorlubricant.
See thatthetireshaveproperpressure(SeeTirePressure,Page51).
Adjusttherearviewmirrortocorrectpositionfordriver.Ifadequateviewisnot obtainable, themirrormaybeadjustedby
looseningthescrewthroughthemountingbracketorbytiltingintheballandsocket connection.
CONTROLSANDSWITCHES
Thepositionofall controlsandswitchesisshowninFig.1.
Thehornisoperatedbypressingthebuttonlocatedatthetopcenterofthesteeringwheel.
ThemainlightswitchNo. 27controllingalllightsisconvenientlylocatedontheinstrumentpaneltotheleft ofthesteering
post.It isoftheplungertype—pull allthewayout forthe“full on”position,half-wayfor“parking”andallthewayinisthe
“off”position.
Inadditiontothemainlightswitch,thehighandlowbeamsoftheheadlampsarecontrolledbyaselectorfoot switch,located
onthetoeboardtotheleftoftheclutchpedal. Pressingandreleasingtheswitchbutton,withthefoot, alternatelychangesthe
beamfromhightolowand vice versa.
TOSTARTENGINE
Putthetransmissiongearshift leverNo. 12,Fig. 1inneutral. PlacethetransfercaselowandhighshiftleverNo. 17indirect
gearorintherearpositionand disengagethefrontaxledrivebyplacingtheshiftleverNo.16intheforwardposition.
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