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CALMANUAL

ARCH 1944

Publ

icDomain,Google-digitized

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NICALMANUAL

ARCH 1944

PublicDomain,Google-digitized

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arch1944

TractorTruck(AutocarModel

heinformationandguidanceofall con-

.(3-27-44)

TARYOFWAR:

ls,seeFM21-6.)


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ERATINGINSTRU

.........................15

eddata235-8

eration4 69-15

al

.....7-1015- 23

emain-

.....11 1523-35

...........16-1735- 45

towage

.....1846-49

AINTENANCEINSTRUCTIONS

ificationrecords1950

...........20-2150-55

tive

.....2255-85

....2385

.............24-4585-107

ance,and

....46-55107-119

....56-57119-130

60130-134

..............61-66134-143

ystem...67-71143-147

pertinentinformationinTBORD-20,2* Jan44andOFSTB800-21.

udespertinentinformationfromTM 10-1569,6Mar42.Together

832A,this manualsupersedesTM10-1569.


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RTRUCK(AUTOCARMODELU-7144T)

8148-157

157-165

g

75-179

79-181

universal

85-187

87-189

m111-127189-212

esystem..128-132212-215

elbearings,

bsorbers.136-138220-225

43225-228

-152228-235

system....153-168235-249

76250-255

79256

ssion180-184257-261

porary


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RATINGINSTRUCTIONS

publishedforthe informationand

personnelchargedwiththe operation,main-

ofthemateriel

ionofthe4-to 5-ton4x4Tractor

144T),thismanualcontainstechnical

eidentification,use,andcareofthe mate-

intotwoparts.Partone,sectionI through

ginstructions.Parttwo,sectionVIII

vesvehiclemaintenanceinstructionsto

edwiththeresponsibilityofdoing main-

urisdiction.

atureoftherepair,modifications,or

copeorfacilitiesof theunit,theresponsible

einformedsothattrainedpersonnelwith

entmaybeprovided,orproper instructions

LATEDDATA

d2).

torTruck(AutocarModelU-7144T)

le.PowerisfurnishedbyanRXCmodel

cessarypowercanbetransmittedtothe

trallylocatedtransfercase.Hubconstruc-

e mountedduallyatbothfrontandrear.

hecabcarriestwospare tires.Alarge

dtotheframemidwaybetweenthewheels

l.Abatteryboxandtwoair reservoir

larpositionontheright side.

nufacturedinbothopenandclosedcab-

ructionswiththemateriel,thisTechnicalManualhas

eofcompletetechnicalreview.Anyerrorsoromissions

esor,if extensive,byanearlyrevision.


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T

ront

n)


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LATEDDATA


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ng:

0ft

0lb(4thgear)

nespeed2,300rpm

t

40qt

ty3pt

pt


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OPERATION

er(fig.3).This leverislocatedin

transmissiongearshiftleverandthe front

disusedto engagethehighandlowspeed

NOTE:Thelow speedgearcannotbe

xledeclutchleveris inthe"IN"position

er(fig.3).Thislever islocatedat

ever.I tengagesanddisengagesthefront

"IN"positionautomaticallycarriesthe

he "LOW"rangeposition.Declutchlever

entlyonlywhenthetransfercaseshiftlever

shiftLever(fig.3).Thisleveris

fercaseshiftlever,andisused toshiftall

sion.

ver(fig.3).Thislever, locatednext

epropellershaftbrake attherearof the

.3).Thispedalis locatedontheright

,andoperatesthe servicebraketostop

clutchpedal,locatedat theleft

,is usedtoengageanddisengagetheclutch.

heclutchhasapproximatelyIViinchesof

torelease.

fig.19).Thisswitchis locatedon

heoperator'sseat,andis usedtocomplete

atteryandcrankingmotor.

.3).Thisswitchis locatedonthe

eclutchpedal,andis usedtoraiseand

isgage islocatedontheleft side

dindicatestheviscosityof theengineoil

or"heavy."

geis locatedontheleftsideof the

tesgeneratoroutputinamperesvarying

30.


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TRUCK(AUTOCARMODELU-7144T)


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OPERATION


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3).Thisgageis locatedontheleft

elto therightofthe ammeter.Itindicates

erationoftheauxiliary6-voltbattery.

. Thisgage,locatedatthecenter

owstheamountof airpressureavailablein

etachometerislocatedatthecenter

eblackhandshowsenginespeed inrevo-

trumentisequippedwith akeythatis

whichregistersthehighestrevolutionsper

noperated.

isgageis locatedatthecenterofthe

tesroadspeedandrecordstotal miles

. Thisgageislocatedatthe center

he rightside,andindicatesoilpressure.

3).Thisgageis locatedontheright

el,andindicatestemperatureoffluid inthe

gageislocatedontheright sideof

owsthequantityof fuelinthefuel tank,

edon.

atorValves(fig.3).Thesetwo

eftside oftheinstrumentpanel,andtheir

eed ofthetwowiperarms.

LightSwitch(fig.3).Thisswitch

tpanelbehind thesteeringcolumn.It

atesin fourpositions.

rolislocatedatthe centerofthe

toreducetheamountofair admittedto

variousdegreesofa richerfuelmixture.

his switchislocatedatthecenter

dcontrolstheengine electricalsupply.

Thiscontrolis locatedatthecenter

he rightoftheignitionswitch.It serves

aseorreduceenginespeed.

tch(fig.3).Thisswitchis located

rumentpanel.Itis arheostattypeswitch

tpanellightswhentheheadlightandblack-

position.


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OPERATION

atingLever(fig.3).Thisleveris

olumnjustbelowsteeringwheel,andinde-

lerbrake.

).Thispedalis locatedatrightof

nditcontrolsspeed ofthevehicle.

witch.Thisswitchislocatedatthe

entpanel.It controlstheblackoutdriving

ngabovetheleft headlight.

sbutton islocatedatthetop center

dgivesoperatormanualcontrolof horn.

LE.

ce.Performtheservicesinitems1

eattemptingtostarttheengine.Start and

,below)andthen completetheBefore-

einstrumentpanelinstructionplates

brake(fig. 3)topreventvehiclefrom

missiongearshiftleverinneutralposition

ullchokeoutallthe way(fig.3);other-

oneat all.Pulloutthrottle.control(fig.3)

ewillbe neededforawarmengine.Turn

ition(fig.3).Depressclutchpedal

enginestarts.Depresscrankingmotor

efires,then releaseimmediately.Push

kecontrolwhenengineruns smoothly.Dur-

buzzingnoise willbeheard,indicating

operateservicebrakes.Donotoperate

gency,untilthisnoisestops.Increaseengine

airpressuremorerapidly.If buzzersounds

n,stopimmediatelyanddeterminecause

engageclutchbydepressingclutch

shiftleverineither "HIGH"or"LOW"

onloadand roadconditions.Forheavy

ad"HIGH."Vehiclecannotbemoved

alposition.Movemaintransmissiongear-

position(fig.4).Releasepropellershaft

sacceleratorpedaltoincreaseengine

yreleaseclutchuntilclutchisfully engaged.

iltruckgetsunderway.Shift maintrans-

sfollows:Depressclutchpedal;placegear-

n;and engageclutchmomentarily.De-


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ndplacegearshiftleverin secondposition

increaseenginespeed.CAUTION:Do

onsperminuteasindicatedbytachometer

on,passingthroughall thegearscon-

tgearis reachedatwhichtheenginepulls

oa lowergear,usethesameprocedure

ear,withthefollowingexception:When

positionandclutchismomentarilyengaged,

oximatespeedrequiredtopropelvehicleat

ergear.Thendisengageclutchandquickly

osethrottlebyremovingfootfrom

plybrakecarefullybydepressingservice

icleisnearlystopped,disengageclutch,

ongearshiftleverinneutralposition.When

ershaftbrake;thenreleaseclutchandservice

stopengine,turn ignitionswitchto

reswitchiscompletelyopentoavoidrun-

Attachtowingcabletotowing

romtowingtruckto airlineoftruckto be

ontaxledeclutchlever(fig.3)in "OUT"

transfercaseshift leverto"HIGH"posi-

nsmissiongearshiftlevertotheNo.5 or

4).Pull outchokeandthrottleinto

g,and turnignitionswitchto"ON"posi-

ftbrakeleveranddepressclutchpedal.

gclutchpedalslowlywhentowingspeedis

rts,disengageclutch,andadjustcontrols

.Ifnecessarytostop vehiclebeforeengine

blefromtowingvehicle,usepropellershaft

e.Checktiresforproperinflationto

35).Attachtowingcabletotowinghooks.

wingvehicle,ifany,totrailer connections

hicletobe towed.Movethefrontaxle

"position(fig.4),and placemaintrans-

eutralposition(fig. 4).Pushpropeller

aydowntothereleasedposition.Ifair

isbrakeprovidestheonly possiblemeans

ecarefulinusingpropellershaftbrake


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SUALCONDITIONS

vere.Ifnecessarytohoist frontendoftruck

per,usingcaretoavoid crushingairtubing.

etweentowtruckandbumpertoprevent

owtruck.Ifnecessarytohoist rearof

eentireframeimmediatelyinfrontof rear

gsuretoget chainbetweenspringandframe

load.Attachnecessaryblockingbetween

il topreventcollision.Straightenfront

eringwheeltopreventturning.

SUALCONDITIONS

ATION.

utomotiveequipmentatsub-zero

oblemsthatdemandspecialprecautionsand

mbothoperationandmaintenancepersonnel,

talfunctionalfailureareto beavoided.

ofgasolineis designedtoreducecold

es;thereforethewintergradefuelshouldbe

tion.

Gasoline.Dueto condensationof

erwillaccumulateintanks,drums,and con-

es,thiswaterwillformice crystalsthat

buretorjetsunlessthefollowingprecautions

filterpaper,oranyothertype of

epassageof water.CAUTION:Gasoline

eratesstaticelectricitythatwillresultin a

ovidedtogroundthe electricity.Always

betweenthecontainerandthetank,to

d.

ble.Themorefuelthereisin thetank,

ir willbefromwhichmoisturecanbe

edalcohol,Grade3,tothefuel tank

willreducethehazardof iceformationin

nersarethoroughlycleanandfreefrom

them.

ormovingacontainer,allowthefuel

tankfromit.


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ontainerstighttopreventsnow,ice,

terfromentering.

omdispensingequipmentandfrom

eforeremovingcapto refuelvehicle.

IFFERENTIAL.

t,SAE80,wherespecifiedonfigures

ntLubricationGuideNo.502,issuitablefor

0 F.Ifconsistenttemperaturebelow0 F

arcaseswhilewarm,and refillwithGrade

t,whichissuitablefor operationatalltem-

ade75 universalgearlubricantisnot

lgearlubricantdilutedwiththe fuelused

ortionofonepartfuelto sixpartsuniversal

d.Dilutemake-upoilin thesameproportion

cases.

armedup,engageclutchand maintain

or5minutes,oruntil gearscanbeengaged.

st)gear, anddrivevehiclefor100yards,

heengine.Thiswillheatgear lubricantsto

erationcanbeexpected.

catechassispointswithgeneralpur-

ING.Drainhousing,ifpossible,oruse

muchlubricantas possible.Refillwithuni-

e75,or,if notavailable,SAE80universal

fuelusedin theengine,intheproportion

sSAE80universalgear lubricant.Dilute

oportionbeforeit isaddedtothe housing.

canpointswhereengineoilis pre-

elightlubricatingpreservativeoil.

byone ofthefollowingmethods,

ce:

denclosurewhennotinuse.

raincrankcaseoilwhilestill hot.Place

usplaceinthe cabtoindicatecrankcase

rmplaceifpossible;otherwise,heatoil

ginesectionwithtarpaulin.Placefire

3hours beforeengineistobe started.A

typeblowtorch,andordinarykerosene


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SUALCONDITIONS

UTION:Becarefulinapplyingflame

efromawarmplaceintosubzerotem-

y.

tingpropellershaftbraketo avoid

elstopreventrollingofvehicle,andkeep

frozenpropellershaftor servicebrakes.

tlyforbrokenscrews,bolts,orother

ednuts.

gasoline,orwith Dieselfuelinan

overseveraltimestomixoiland diluent.

peration,rediluteoilifvehicleis tobeleft

3ormorehours.Use diluentforboth

ionasfollows:

ntity

toeach4V2qt

qttoeach31/2qt

each5qt

ttoeach4 qt

increasesengineoilconsumption.Check

stems.

POUND.Protectthesystemwithanti-

ne-glycoltype)foroperationbelow+32* F.

applytouseofnew antifreezecompound.

EM.Beforeaddingantifreezecom-

ystem,andcompletelyfreeitfromrust.

een cleanedrecently,itmaybenecessary

eanwater,andagaindrain.Otherwise

ningcompound.

tallhoseandreplaceif deteriorated.

ugs,andpetcocks,andtighteni fnecessary.

foreaddingantifreezecompound.Correct

or airintothecoolingsystem.

MPOUND.Whenthecoolingsystemis

stemwithwatertoaboutone-thirdcapacity.

ound,usingtheproportionofantifreeze

ystemcapacityindicatedbelow.Protect


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SUALCONDITIONS

andtightenallconnections,especially

urethatno shortcircuitsarepresent.

perfunctioningbynotingquality

oroughly,andcleanorreplacepoints.

y.Incoldweather,slightlypittedpoints

starting.

ndadjustsparkplugsor replace,if

maketheenginefire,reducethegapto

commendedfornormaloperation(par.

nitionmoreeffectiveatreducedvoltages

ngcarefully.Besurethatthe spark

rretarded.

iesdecreasessharplywithdecreasing

mespracticallynilat40 F.Donottry to

batterywhenithasbeenchilledto temper-

batteryhasbeenheated,or unlessawarm

Seethatthe batteryisalwaysfully

eterreadingbetween1.275and1.300.A

otfreezeat temperatureslikelytobe

cclimates,butafullydischargedbattery

+5 F.

atterywhenit hasbeenexposedto

essthebatteryisto bechargedimmediately.

atterynotputon charge,thelayer

pandfreezebeforeit hasachanceto

tscarefully.Checkforshortcir-

turearoundsockets.

seethat thesparkplugs,wiring,or

tarefreefromice.

Engine.

OTORMECHANISM.Besurethatno

eenleftonthecrankingmotorthrow-out

eordirtisliableto keepthegearsfrom

emtoremainin meshaftertheenginestarts

thecrankingmotorandnecessitate

okeis necessarytosecuretherich

orcoldweatherstarting.Checkthebutter-


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esallthe wayandotherwisefunctions

ELPUMP.Thecarburetor,whichwill

eatnormaltemperatures,isliablenot to

wtemperatures.Besurethefuelpumphas

gm,asthis willpreventthefuelpumpfrom

elrequiredto starttheengineatlow tem-

peedsarereducedtobetween30and 60

eraturesbelow0 F,donotuseoil in

gealand preventtheeasyflowofair.

ingsolvent,dry,andreplace.Iceandfrost

erscreenscancausean abnormallyhigh

uretorairhornhose,resulting incollapse.

eandcleansedimentbowl,strainers,

anksumpdailyto removewateranddirt.

bands,particularlyonnewvehicles,

hentheyare verycold.Alwayshaveablow

eseparts, iftheybindpriorto moving,or

ehicle.Parkingthevehiclewiththebrake

stofthebinding.Precautionmustbe taken,

es,toblockthewheelsorotherwiseprevent

RATURESONMETALS.Inspectthe

resistanceofmetals,orresistanceagainst

edatextremelylowtemperatures.Operation

groundcausesstrainand joltingwhichwill

ornuts jarringloose.

EDisconnecttheoil-lubricatedspeed-

nd whenoperatingthevehicleattempera-

.Thecablewilloftenfailto workproperly

dsometimeswillbreak,duetothe excessive

cosityof theoilwithwhichit islubricated.

TION.

esevehiclesinhightemperatures

nceofcoolingunits,lubrication-filteringde-

xtremelyhightemperatures,water-saving

verflowtanksshouldbe employed.Avoid

earratios wheneverpossible.Makefre-

vicingofaircleaners,fuelfilter,and oilfilter

dduringoperationindustyareas.Watchthe

constantly.Checkandreplenishoiland


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SUALCONDITIONS

N:Inspectvehiclefrequentlyforbroken

alparts,andfor loosenednuts.

nance.

mationofscaleandrustincoolingsys-

ingoperationinextremelyhightempera-

ntivesshouldalwaysbeaddedtothe cooling

er.Avoidtheuseof waterthatcontains

whichmaycausescaleandrust formations.

oroughlycleanandflushthecooling

lswhenoperatinginextremelyhightem-

PUMP.Inspectfanbeltatregular

ssary(par.78).Waterpump mustbekept

n.

operationofthermostat(par.76).

alibratedtemperaturetopreventoverheat-

Checkhoseconnectionsfrequentlyfor

lof recommendedcoolantandmain-

gradeof lubricatingoilinlubricatingsys-

raturefrequently,andiftemperaturerises

inspectcoolingsystem.Flushcoolingsys-

andin radiatorfins;blowoutwithcom-

ns,checkoilfilter,carburetor,aircleaner,

reveryfew hours,andserviceasnecessary.

s,uselubricantssparinglyandclean

elubricating.

edsurfaceswhenmakingrepairs.

sunforlongperiods,becausethis

ssible,placevehicleundercovertoprotect

verinactivevehicleswithtarpaulinsifno

e.

eanandfilledwith clean,fresh(not

whenpossible.Noteenginetemperature

uregagefrequently.Stopvehicleimme-

nginereaches212 F.

esfromatmospherebyrenewingpaint

dkeepingafilm oflightengineoilon unfin-

ces.


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hichhavebeenexposedtosalt water

yafilm oflightengineoilto unfinishedmetal

onsofstoredvehicles.Removecor-

eswithflintpaper2/0 (frommachinedsur-

ndapplyaprotectivecoatingofpaint,oil,or

.

zones,cellwaterlevelshould be

shedifnecessarywithpuredistilledwater.

waterfittodrink maybeused.However,

thhighmineralcontentwill eventually

ndshouldbeavoided.

tteriesoperatingintorridclimates

trolytethanfortemperateclimates.Instead

olyteshouldbeadjustedto around1.210to

ttery.Thiswill prolongthelifeofthe nega-

Underthisconditionbatteryshouldbe

Wherefreezingconditionsdonotprevail,

avitiesfrom1.230to1.075.

atterywillself-dischargeatagreaterrate

ndingfor longperiods.Thismustbetaken

peratingintorridzones.If necessarytopark

atteryandstorein acoolplace.

OW,ICE,SAND,ANDFLOOD.

n bothrearwheels,andselectlow

vehiclesteadilywithoutputtingundue

daxles.

s thegeneralhazardencounteredin

ains,andselectthepropergearratio to

withoutimposingunduestrainonengine

ccurs,turnthefrontwheelsin thesame

s skidding.Deceleratetheengine,and

yuntilvehicleisunder control.Proceed

insassoonastheiruse isnolongernecessary.

ewhendrivinginsand istoavoid

hedriving wheels.Ifpossible,layanim-

orbrushin ordertopreventthewheels

loosefooting.Donot letthemotorlabor.

veraltimesifnecessary,untila solidroad

depthof thisvehicle,anddonot

educethevehiclespeedto4 milesperhour


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VEMAINTENANCESERVICES

Exercisecaretoavoidwaterdamageto

ems.Lubricatedpartswhichhavebeen

rmustbeservicedat earliestopportunity.

wmud,snow,oriceto cakeonwheels,

nuckles,andsteeringarms,ortogatheron

e,oilfilter, orairfilteropenings.Inspectand

radiatorcore,fan,and fanbelts.Keepmud

fallelectricalconnections.

nganddestroyingdangerouschemical

noperatinginaffectedareasisknownasde-

eredbyinstructionscontainedinFM17-59.


ficiency,itisnecessarythatthevehicle

edatintervalseachdayitis operatedas

ectsmaybe discoveredandcorrectedbefore

geor failure.Certainscheduledmaintenance

atthesedesignatedintervals.Theservices

ethoseperformedbydriverorcrewbefore-

on,at-halt,andafter-operation,andweekly.

enanceservicesarelistedontheback

PreventiveMaintenanceServiceRecord"

vehiclesofall typesandmodels.Items

esbutnotlistedon W.D.FormNo.48are

uresundertheitemswithwhichtheyare

dontheform thatdonotpertainto the

natedfromtheprocedureaswritteninto

ationmustthoroughlyschooleachdriver

anceproceduressetforthinmanualswhether

onW.D.FormNo.48 ornot

D.FormNo.48thatapplyto thisvehicle

alto providespecificproceduresforaccom-

nsandservices.Theseservicesarearranged

conservethetimeofthe driver,andarenot

mericalorderasshownon W.D.FormNo.

wever,areidenticalwiththoseshownon


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ofeachitemappliesalso toanysup-

ction,andgenerallyincludesachecktosee

odcondition,correctlyassembled,secure,or

condition"isusuallyan externalvisual

hethertheunitisdamagedbeyondsafeor

m"goodcondition"isexplainedfurtherby

ntor twisted,notchafedorburned,not

eorfrayed,notdentedor collapsed,nottorn

toseethatit is"correctlyassembled"

linspectionto seewhetheritisin itsnormal

vehicle.

todetermineifitis "secure"isusually

ation,awrench,hand-feel,orapry-barcheck

pectionshouldincludeanybrackets,lock

res,orcotterpinsusedin assembly.

beunderstoodtomeanworncloseto,

ts,andlikelytoresult inafailureif not

cheduledinspection.

ctoryoperatingcharacteristicsbeyond

o correctmustbereportedattheearliest

tedindividualinauthority.

ERVICE.

eisdesignedprimarilyasa checkto

t beendamaged,tamperedwith,orsabotaged

Servicewasperformed.Variouscombatcon-

dthevehicleunsafeforoperationandit is

eterminewhetherornotthe vehicleisincon-

ssiontowhichitis assigned.Thisoperation

,evenin extremetacticalsituations.

erationServiceconsistsofinspecting

ngtotheproceduredescribed,andcorrecting

es.Uponcompletionoftheservice,results

tlytothedesignatedindividualin authority.

DDAMAGE.Lookforanyinjuryto

requipment,causedbytamperingorsabotage,

hellfire sinceparking.Lookinengine

eofaboveconditions,andforloosenedor

riesordrivebelts,loosefuel,oilor coolant

trollinkage.


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ISHER.Seethatextinguisherissecurely

d.Lookforevidenceofopenedoperating

IL,ANDCOOLANTSUPPLY.Check

ckcrankcaseoillevelon dipstick.Check

essarytocompletemissionortooperate

fuelingpoint.Addengine oilandcoolant

ectlevel.NOTE:Anyappreciabledropin

onServiceshouldbeinvestigated,andcause

esignatedauthority.Duringfreezingweather

sinuse,if anyappreciableadditionofwater

eshouldbetestedby secondechelonand

esparefuel,oil, andwatercansarefulland

ANDDRIVES.Examineunits,suchas

ankingmotor,aircompressor,fan,andair

mage,orleaks.Besuredrivebeltsare ingood

mentissatisfactory.BeltsshouldhaveVz-to

eflection.

KS.Checktheair brakereservoir

secureandundamaged,andthatallair line

obesurethatwater(condensation)has

ksandthat draincocksareclosed.

AL.Inspectgroundandalsounderthe

compartmentforindicationsoffuel,engine

ks.Payparticularattentionto fueltanks

ilfilters,radiator,waterpump,waterlines

earcases.Traceanyleaksfoundto their

ortthemtodesignatedauthority.

UP.Startengineandnote anyten-

g.Observeactionofcrankingmotor,par-

ecrankingspeedandengagesanddisengages

eninoperation.Sethandthrottle sothat

revolutionsperminute,andduringwarm-up,

fore-operationServices.NOTE:Ifoilpres-

econds,stopengineandinvestigate.

neis beingstarted,checkoperation

sup,resetchokeasrequired forengineto

ntoverchokingandoildilution.

rmalengine operatingspeedmustbe

minimumatidlingspeedmust be5pounds.

mmetershouldshowpositive(-)-) charge

atslowerspeedswithlightson mayshow


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mmeterindicatesthatsecondbatteryor

scharging.Highchargereadingsmaybe

estorestobatteriescurrentusedin starting

age.Readingshouldincreasegradually

ormaloperatingrange157F.to183F.

reis200F.NOTE:Donotmovevehicle

sminimumoperatingrangeof135F.

nehasreachedoperatingtemperature,

"range.

ntershouldindicateactualengine

nygiventime engineisrunning.Readhand

ighestenginerevolutionsperminutereached.

revolutionsperminute.

should register60poundsbefore

mgovernedpressureis105pounds.

etosee thatitregisterstheapproximate

narilytankwill befilledafteroperation

FULL."

WINDSHIELDWIPERS.Iftacticalsitua-

properoperationandtone.Testwipersto

observewhetherthebladescontactglass

oughfullstroke.Inspectfor damage.

EARVISIONMIRROR.Cleanallglass

rrearvisionmirror properlyandseethatit

TS)ANDREFLECTORS.Seethatall

orsareclean.Examinethemforloosenessor

onpermits,openandcloseswitches,and

operly.Includestopand blackoutlights.

FLANGENUTS.Seethatall wheel

nutsarepresentand secure.

mumtirepressureshouldbe 65pounds

mage,andremoveanyembeddedobjects

etweenduals.

DSUSPENSIONS.Inspectspringsand

ttheyare secureandnotdamaged,andthat

gnutsandscrewsare tight.Examineshock

NKAGE.Inspectgearcaseandall rods

eness,damage,orexcessivelubricantleaks.

DBUMPERS.Inspectfendersand

amage.


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NNECTIONS.Inspectallconnections

Examinepintletobe sureitoperatesfreely

atfifthwheelis secureandnotdamaged,that

onworksproperly,andthatitwill lock

ARPAULIN.Inspectcabandtoptarpau-

ors andlatchesoperateproperly,andthat

veraresecure.

NATOR.Besuredecontaminatoris

dsecure.

EQUIPMENT.Besureallitemsare

properlymountedorstowed.

RATION.Beforevehicleisputinmo-

eachedoperatingtemperatureandidles

ecelerateandlistenfor anyunusualvibra-

atisfactoryoperatingcharacteristicsorexces-

RMITANDFORMNo.26.Drivermust

onhis person.ChecktoseethatStandard

rt-Accident,MotorTransportation,Opera-

Guide,andW.D.,AGOFormNo.478are

andproperlystowed.

ERATIONCHECK.TheDuring-operation

sstartimmediatelyasthevehicleisput in

onfollows.

ERVICE.

on,listenforanysuchsoundsas rattles,

hatmayindicatetrouble.Lookforindica-

systemandsmokefromanypartofthe

detectanyodorofoverheatedcomponents

r,brakes,orclutch,fuelvaporfromaleak

s,orother signsoftrouble.Eachtimethe

ted,orvehicleturned,considerthis atest

toryorunusualperformance.Watchthe

oticepromptlyanyunusualinstrumentindi-

ossibletroubleinthe systemtowhichthe

erationServicesconsistofobserving

ngtotheproceduresfollowingtheinstruc-

estigatinganyindicationsof serioustrouble.

tobecorrectedorreportedatearliestoppor-

uledhalt.


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NDBRAKES.Footbrakesshouldstop

ctivelywithnormalpedalpressure,andreturn

yafterfootpressureis released.Iftowed

hand-operatedairapplicationvalvesepa-

tionon trailerissatisfactory.Handbrake

asonableincline,leavingone-halfratchet

dlocksecurelyin appliedposition.

chshouldnotgrab,chatter,orsqueal

pwhenfullyengagedunderload.Pedal

travelbeforemeetingresistance.

NS.Gearsshouldshiftsmoothlyand

of meshduringoperation.

ansferunitrangegearsanddeclutch-

fteasilyandquietlyand notcreepoutof

ONTROLS.Thedrivermustbeon the

ineperformance,suchaslackofusual

,unusualnoiseorvibration,and anyindica-

essiveexhaustsmoke.Observeifengine

dif thecontrolsareinproperadjustment,

orbinding.

S.Observereadingsofallinstruments

ontobesureunits towhichtheyapplyare

eshouldshownormaloperatingpres-

tidling,and 30to50pounds atoperating

ration,withalllightsandaccessories

etershouldindicateapositive(+ )chargeat

ychargedbatteries,andregulatorunit

B"ammetershouldalsoshowpositive(+)

eorreportexcessivenegative()readings

age.Gageshouldread157F.to183F.

Maximumsafetemperatureis200F.

eration,viscometerpointershouldre-

range readingmayindicateoildilution.

ndicateoilcontamination,suchaspresence

alreadingsshouldbeinvestigatedorre-

mumreadingshouldbe105 pounds,


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ntershouldregisteractualenginerev-

dpoiptershould notexceedmaximumgov-

ionsperminute.

shouldindicateactualvehiclespeed,

stertotalaccumulatedmileage.

ouldcontinueto registerapproximate

AR.Noteanyindicationoflooseness

side,wandering,shimmy,wheeltramp,or

R.Beonthe alertforanyunusual

ornoisefromwheels,axles,orsuspension

osenessordamage,or under-inflatedtires.

ynoiseor abnormalconditionthat

osetoptarpaulinorcurtains,looseor dam-

ororinspectionplates,ormountedbodyat-

regardedasminimummaintenance

performedunderalltacticalconditionseven

aintenanceservicesmustbeslightedoromit-

vicesconsistofinvestigatingany

operation,inspectingitemslistedbelowac-

followingtheitems,andcorrectingany

enciesnotcorrectedshouldbereported

dindividualinauthority.

DWATERSUPPLY.Checkthefuel

quatetooperatethevehicleto thenext

eling,usesafetyprecautionsforgrounding

wspaceforexpansioninfillerneck.Filler

essurecapvalvesmust befree,andcaps

y.Checkthecrankcaseoilleveland,ifneces-

el.Removeradiatorfillercapbeingcareful

essurecapis used.Checkcoolanttoseethat

plenishasnecessary.Donotfill toover-

tspaceforexpansion.Ifengineis hot,fill

ngat afastidle.

ES:HUBS,BRAKEDRUMS,TRANSFER,

ES.Placehandcautiouslyoneachbrakedrum

abnormallyhot.Inspecttransfercase,

usingsforoverheating,andnoteanyexces-


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ANSFERVENTS.Wipecleanandin-

clogging.Ve,ntsmustbekept open.

HAFTS.Inspectalldriveshaftsand

ess,damage,andexcessivelubricantleaks.

erwoundaroundshaftsorjoints.

SUSPENSIONS.Inspectforbrokenor

agedorlooseU-bolts,eyebolts,shackles,

orberbodiesandlinkage,or excessiveshock

KAGE.Examineallsteeringcontrol

agefrictionaljointsforloosenessordamage.

onditionnotedduringoperation.

LANGENUTS.Seethatall wheel

nutsarepresentand secure.

all tiresforunder-inflationordam-

objectsintreadsorcarcassesandfrombe-

etire isinflatedandsecureincarrier.

RAL.Lookundervehicleandwithin

ndicationsoffuel,oil,orcoolantleaks.Trace

rce,and correctorreportthemtoproper

ESANDBELTS.Examineallaccessible

age.Besure generator,fan,andcompressor

ctory.

R.Ifoperatingunderextremelydusty

ctaircleanerandbreathercapto seethat

elivercleanairproperly.Serviceasnecessary.

DBUMPER.Inspectfrontbumper,

ardsforloosenessor damage.

NNECTIONS.Inspectallconnectionsfor

urelockingdevicesaresecure,andthat

pportedsoasnotto chafeonothervehicle

ARPAULIN.Inspectfordamage,orany

shifting01cab.

nwindshield,mirror,light,andwarn-

pectfordamage.

DWEEKLYSERVICE.

eisparticularlyimportant,becauseatthis

svehicleto detectanydeficienciesthatmay

ctsthoseheispermittedto handle.Heshould

gnatedindividualinauthoritythe results


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heduleisperformedthoroughly,thevehicle

ainonamoment'snotice.TheBefore-opera-

ceptions,isnecessaryonlytoascertain

e sameconditioninwhichitwasleftupon

perationService.TheAfter-operationSer-

elyomittedevenin extremetacticalsitua-

tothe barefundamentalservicesoutlinedfor

ssary.

ormingtheAfter-operationService,

andconsideranyirregularitiesnoticeddur-

operation,During-operation,andAt-haltSer-

nServiceconsistsofinspectingandservicing

eitemsoftheAfter-operationservicethat

* )requireadditionalweeklyservices,the

ndicatedinsubparagraph(b)ofeachappli-

ATION.Testengineforsatisfactory

dle.Accelerateanddecelerateengine,and

orbackfire.Listenfor anyunusualnoiseor

ewornorinadequatelylubricatedparts,

tfuelmixture,orfaultyignition.Noteany

nvestigateandcorrect,orreportanydefi-

rationtotheproperauthority.

S.Checkallpertinentinstrumentsto

roperlyandcontinuetoregisterori ndicate

eunitstowhichtheyapply.Stopengine,first

to5 minutesifitis atorbeyondnormal

DWATERSUPPLY.Fillfueltanks.(See

Checkcrankcaseoil,andaddas necessary

eckcoolantlevel,andadd asnecessaryto

E:Donotoverfill fueltanksorradiator.

Infreezingweather,ifanyappreciable

ssary,haveantifreezevaluechecked,andadd

systemagainstfreezing.Donotadd coolant

allsparefuel,oil,and watercansifsupply

NDSHIELDWIPERS.Inspecttheseitems

ndnotdamaged.Iftacticalconditionspermit,

onand tone.

EARVISIONMIRROR.Cleanandinspect

at mountingsaresecure.

S)ANDREFLECTORS.Inspectfor

cticalsituationpermits,testallli ghtsand

ion.Cleanalllenses.


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ISHER.Inspectextinguisherforloose-

harge.Ifextinguisherhasbeeninuseor

efillorexchange.

ATOR.Inspectdecontaminatorfor

ullcharge.Ifused, reportforrefillorex-

that theyareclean,secure,andnot

hatcellcapsare fingertight.

topof batteries.Ifterminalcon-

ded,cleanthemthoroughlyandapplyfresh,

htenterminalboltsif loose.Removevent

ctrolyte.Addwaterifrequired,taking

ywillnotbe damagedduringfreezingtem-

besecure,notbulgingorcracked,orleak-

rriershouldbesecure,clean,freeofrust,

ngsareloose,tighten themcautiously

atterycase.Reportanydefectstoproper

ESANDBELTS.Inspectunitssuchas

ankingmotor,fan,waterpump,compressor,

andoilfilters,for looseness,damage,or

dadjustmentofdrivebelts.Beltsshould

pressuredeflection.Investigateandcorrect,

horityanydeficienciesofaccessoryunits

ation.

LWIRING.Inspectallignitionwiring

wipeoffexcessivegreaseormoisture.Also

ccessiblelowvoltagewiringandconnec-

age.Besureall wiringissupported,soas

vehicleparts.

NERANDBREATHERCAPS.

damage.Examineoilin reservoirs

sivedirt.Whenoperatinginsandy or

dserviceaircleanerandbreathercapas

eanerandbreatherreservoirsand

aningsolvent,refillreservoirswithclean

Besureall gasketssealproperlyandthat

secure.

R.

ess,damage,andfuelleaks.


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mentbowldrainpluganddrainoff

ater.Ifdrainingof fuelpumpsediment

orwater,removeandcleanelementin

TROLS.Examineallengineopera-

seness,damage,excessivewear,andade-

ingspares,fordamageand excessive

edforeignmatter,suchasnails,glass,or

rcassesandfrombetweenduals.Checkfor

tionofvalvestem,andpresenceofvalve

ssureasneeded;maximumis65 pounds,

ywornorotherwiseunserviceable

chshowabnormalwearshouldbere-

evenwear.Apparentmechanicaldeficien-

ouldbereportedfor attentionbyhigher

DSUSPENSIONS.Inspectforloose-

lspringsag,shiftedspringleaves,and shock

gateanynoiseorunusualconditionnoted

NKAGE.Inspectlinkageforloose-

steeringgearcaseandfrictionaljointsfor

georlackoflubrication.Investigateany

onnotedduringoperation.

SHAFTS.Inspectalldriveshaftsand

essordamageandexcessiveoilleaks.Re-

woundaroundshaftsorjoints.

RANSFERVENTS.

housingandtransfercaseventsare

,andclean.Inspectforindicationsoflubri-

s,cleanoutpassages,andreinstall

ERAL.Lookinenginecompartment

ationsoffuel,engineoil, coolant,orgear

VELS.Checkgearoillevelsin dif-

ransmission,andsteeringgearhousing,and

f low.Correctlevelsarefromloweredge

chbelowwhencool.


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TANKS.

or loosenessordamage.Openreser-

offall accumulatedcondensation.

mountingsandlineconnections.Clean

reaseoroil.

DBUMPERS.Inspectfrontfenders,

uardsforloosenessor damage.

NNECTIONS.

rucktractorfifthwheel(ifused),or

ainsforlooseness,excessivewear,ordamage.

ndinggear,ifconnected,andun-

tingsurfacesoffifthwheelplateandking-

ectthemforwearanddamage,andapply

ase.Rehitchthetrailer,noticingwhether

y.Alsonotewhetherthe latchingmech-

ndlatchessecurely.

ARPAULIN.Inspectcabcarefullyfor

aminetoptarpaulinandside curtainsfor

e,andsee thattheyaresecure.

G.

orexternalassemblynutsor screws

mountingandaxleflangenutsand

eyebolts,shacklesandreboundclips.Also

panionflanges,enginemountings,transfer

arms,towingconnections,oranyother

sorscrewsif necessary.

EASNEEDED.

hasshackles,hinges,latches,con-

,oranypoint whereinspectionhasindi-

ngis needed.

ointsofthevehicleindicatedon the

ecessary.

GINEANDVEHICLE.

oroildrippingsfrominside cab,from

dexteriorofengine.Wipeoffexcessdirt

icle.

whenpossible.Ifnotpossible,wipe

ntorcamouflagepatternforrustor for

auselightreflections.Makesurethat

leunlesscoveredfortacticalreasons.

enintowaterforwashing,becareful

getintowheelbearings,gear casesor

tsorwiring.


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DEQUIPMENT.

eandtoolliststo seethatallitemsare

eethatthey areingoodconditionand

ed.

andequipmentof rustordirt,and

necessarywhenpossible.Seethattools

rpand properlyprotected.Makesure

ymountedorstowed.NOTE:When

esureallinspectionplatesarereplaced

ationGuideNo.502(figs.5 and6)

ntenancefor4-to5-ton4x4TractorTruck

TheGuideissupplementedinthis

wsofimportantlubricationpoints(figs.7,

acedon orisissuedwith eachvehicle

atall times.Intheeventthevehicleis

heusingarmsshall immediatelyrequisition

ommandingOfficer,FortWayneOrdnance

n.

sontheGuidearebindingon alleche-

hereshallbeno deviationsfromthese

edontheGuideare fornormalopera-

eseintervalsunderextremeconditions

rlowtemperatures,prolongedperiodsof

erationinsandordust, immersioninwater,

nyoneof whichmayquicklydestroythe

ubricantandrequireservicingin orderto

rdamagetothemateriel.

edinthe"Key"in accordancewiththree

ve+32F.,+32F.to0F.,andbelow0F.

ngegradesoflubricantsby maintaininga

ofthevehicleduringtheapproachto change-

rlyobservantwhenstartingtheengine.Slug-

onofthickenedlubricantsandthesignal


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ibedforthe nextlowertemperaturerange.

arytochangegradesof lubricantsonly

econsistentlyinthenexthigher orlower

ingoccurssoonerduetolubricantsbeingtoo

ONINSTRUCTIONS.

Eachpieceofmaterielissupplied

tadequatetomaintainthemateriel.Be

ntbothbefore andafteruse.Operate

andinsuchmannerasto insureaproper

t.

glubricationfittings,greasecups,oil-

mreadilyidentifiableonthe vehicle.Wipe

thesurroundingsurfacebeforelubricant

provided,applynewlubricantuntil

om thevent.Exceptionsarespecified

nGuide.

ividualUnitsandParts.Thefol-

mentthosenotesontheLubricationGuide

nandserviceofindividualunits andparts.

Guideitself aretothesubparagraphbelow

ngsbeforeapplyinglubricant. Lubri-

orcedfrombearing,unless otherwisespeci-

hassispointsafterwashingtruckand

ndicatedarefornormalservice.For

ed,heat,water,sand,mud,snow,rough

tervalbyVaorl/2, ormoreifconditions

dry-cleaning,orOIL,fuel,Diesel,

shallparts.Use ofgasolineforthispur-

willbethoroughlydrybeforelubricating.

checklevelandrefilloilreservoirof

evel withusedcrankcaseoilorOIL,en-

F.orSAE10 +32F.to0F.UseOIL,hy-

Below-40F.,removeoil andoperate

aily,underextremedust conditions,re-

heair cleaneroilreservoirsofsome

nd"CAUTION"oillevelmarks.Whenre-


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OR

ING

VEL

DALS,WATERPUMP

andTransmission LubricationPoints


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L

DRAG

E

EEL

andSprings LubricationPoints


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LERPLUG

ASEA

ROLBRACKET

LERSHAFT

ubricationPoints


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he"NORMAL"levelmark;the"CAUTION"

chedbytheoilif theaircleanerisservicedas

les,orweeklyonsomemodels,removetop

wash.Cleanandrefilloilreservoir tobead

oilorOIL,engine,SAE30, above+32F.to

om0F.to-40F.Below-40F, remove

6,000miles onsomemodels,removeand

dbreather.Every1,000miles,removecom-

shall parts.Washcurledhair,dry,and

aseoilorOIL,engine,SAE30,above+32 F.

UseOIL,hydraulic,from0F.to-40K.

eplacedry.Every1,000miles,remove

ineof brakegovernorbyremovingpres-

hstrainer andreassemble.

ywhenengineishot.Toaid incom-

dof thetruckshouldbeslightlyhigher

LL"markongage,or4/4level.The

wedtodropbelowthe2/4mark.Run

echeckoillevel.CAUTION:Besure

iliscirculating.

0miles,drainsediment.Every

f filterbecomesclogged,drainfilterhous-

ewfilterelements.Runenginea fewmin-

vel,andaddoilto"FULL"markongage.

g. 7;E,fig.8;A, fig.9).Weekly,

evelgroundand,if necessary,addlubricant

velwhencold,orto pluglevelwhenhot.

sindicatedonguide.Drainonlyafter

entsclean.Transmissionhas"SUMMER"

ngsatfillerplug.

ONTWHEELS)(A,fig.8).With

oveplugonunder sideofjoint;alsore-

d installfitting.Fillthroughfittingto

fittingandreinstall plug.

OINTS(BandF,fig.9). Apply

,No.1above+32F.andNo.0 below

ntil itoverflowsatreliefvalve,andto slip

dfrom ventatuniversaljointendof

very6,000milesor 6months,remove

akegovernor,andlubricatethe upper

sof OIL,lubricating,preservative,special.


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ING.-Attimeofdisassemblyofclutch

nt,oroverhaul,cleanandrepackbearing

pose,No.2.

6,000miles,wipedistributorbreaker

generalpurpose,No.1above+32F.

nd lubricatebreakerarmpivot,wick

weightpivotsandslots withonetotwo

0,above+32F.or SAE10+32F.to

ubricating,preservative,special.

WHEEL).Sometypesofearlymodels

s.Keeptheturntable,couplerpinlock-

bricatedwithGREASE,generalpurpose,

o. 0below+32F.If coveredwithgrit

cate.Lubricatethekingpinlockwith

e+32F.orSAE10+32 F.to0F.Below

preservative,special,asneeded,topermit

er.

g.9).Every1,000miles,lubricate

odends,clevises,hinges,latches,aircom-

pintlehook,andhandbrakelinkagewith

+32F.orSAE10+32F.to 0F.Below

preservative,special.

Every1,000miles,applyFLUID,

rbushingsinshockabsorberlinkage.CAU-

oLUBRICATIONSERVICE.Engine

crankcasestarter(Delco-Remy),starter

te),starterpinionhousingbearing,and

uire lubricationservice.

EDAND/ORLUBRICATEDBYORDNANCE

EL.Thetransfercasedeclutchingunitmust

tedbyordnancemaintenancepersonnel.

ubricationinstructionsareclosely

sused,andsatisfactoryresultsarenotob-

e ordnanceofficerresponsibleforthemain-

completerecordoflubricationservicing

oster(W.D.,AGOFormNo.6).

calizedviewsoflubricationpoints

menttheinstructionsontheGuideandin


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STOWAGEONTHEVEHICLE

IPMENT,ANDSPAREPARTS.

followarefor referencepurposes

sedasabasis forrequisition.

No.

-peen16-oz41-H-523

tudnut41-S-1517-50

handle41-J-73-5

oint,6-in41-P-1650

eavy-dutyinteg.handle,6-in.

sshd.,type2,4-in.blade 41-S-1638

sshd.,type3,6-in.blade 41-S-1640

12-in.(^e-in.capacity)41-W-488

ble-hd.alloysteel,3/8-x%6-in...41-W-991

ble-hd.alloysteel,Vfe-x1%2-in.41-W-1003

ble-hd.alloysteel,%6-x

ble-hd.alloysteel,%-x

ble-hd.alloysteel,3A-x Va-in...41-W-1012-5

ble,auto,15-in.(3s/s-in.capac-

heelbearingnut4l-W-1493-25

rew%6-in.hex,6l/2in. long....

eelbearingnut41-W-1991-10

mm,1%6-in.hex,w/handle....

t

double-end,J%6in. sqand

41-W-3838-40

ating

st SNLG-510

eTD (2)8-C-1625


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STOWAGEONTHEVEHICLE

No.

eTS (2)8-C-2440

CCL458-E-202

15

ept.No.502

G-1330-60

huck

ng(BWE 215604)

BWE220570)

elope)

ngbottom,Vi-pt13-0-1530

eA,3Ain.wide,8-ozroll17-T-805

motorvehiclesetNo.1,con-

4-lb41-A-1277

ndle41-M-720

point41-S-3170

ge,Wlbspool22-W-1067

arts,consistingof8-C-5498-50

0

750

,6-to8-V,sgle-tung-fil,3-cp

sealed,oneopening,

ealed,4openings,6- to

dstop,sealed,6-to8-V8-L-419

ed(boxed)42-P-5347

-P-5355


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STOWAGEONTHEVEHICLE


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STRUCTIONS

ECORDS

TASSEMBLYREPLACEMENT

cleissuppliedwithacopyof AGO

esameansof keepingarecordofeach

unitassemblyreplaced.Thisformincludes

eandU.S.A.RegistrationNumber,instruc-

onpertinentto theworkaccomplished.

eformbeusedas directedandthatitre-

the vehicleisremovedfromservice.

sonnelperformingmodificationsor

cements,mustrecordclearlyontheforma

mpleted,andmustinitialtheform inthe

eachmodificationiscompleted,recordthe

e,andMWOnumber.Whenmajorunit

es,transmissions,ortransfercasesarere-

oursand/ormileage,andnomenclatureof

epairsandminor partsandaccessory

recorded.

onreceipt,byathirdor fourtheche-

clefor modificationorrepair,maintenance

WOnumbersofmodificationsappliedprior

o.478.

T

reconditionedvehicleisreceivedat

necessaryforsecondechelonpersonnelto

hevehiclewilloperatesatisfactorilywhen

urpose,inspectallaccessories,subassem-

ndequipmenttoseethattheyare inplace


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T

addition,theywillperformar un-intestof

edinAR850-15,accordingtoproceduresin

es.Deficienciesdisclosedduringthe

illbetreatedasfollows:

eswithinthescopeofthemaintenance

zationbeforethevehicleis placedinservice.

ondthescopeofmaintenanceechelonof

higherechelonforcorrection.

riousnaturetothe attentionofthe

URES.

eethatportableextinguisherispresent

tit momentarilyforproperoperation,and

R.Fillfueltank.Checkcrankcaseoil

dasnecessarytobring tocorrectlevels.

nfueltankand radiator.Duringfreezing

freezeandaddas necessary,toprotectcool-

g.CAUTION://thereisa tagattachedto

concerningengineoilin crankcase,follow

drivingthevehicle.

uelfilterforleaks,damage,andsecure

ns.Removesedimentbowldrainplug,and

yappreciableamountofwaterordirtis

sandcleancasesandelementsindry-cleaning

s,usingnewgaskets.

rometerandvoltagetestofbatteries.

orcleanwater,to one-halfinchaboveplates.

nwaterfromallair brakereservoir

s.

EATHERCAP.Examinecarburetor,air

andcrankcasebreathercaptoseeiftheyare

re.Removeelementsandwashthoroughly

lreservoirstobeadlevelwith freshoiland

allgasketsarein goodcondition,andthat

ionsaretight.

ELTS.Makesurethataccessoriessuchas

gulator,crankingmotor,distributor,water

compressoraresecurelymounted.Check


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compressorbeltsforgood conditionand

vel/2-to3/4-inchfinger-pressuredeflection.

Examineallaccessiblewiringandcon-

oodcondition,securelyconnected,and

l tires,includingspare,areproperly

ure thatstemsareincorrectposition,and

inger-tight.Removeobjectslodgedin

betweenduals,andinspectfordamage.

NUTS.Seethatallwheelmountingand

tand secure.

ER.Examinefendersandbumperfor

ONS.Inspecttowinghooks,trucktractor

kforloosenessor damage.

rethatallcaband bodymountings

ments,hardware,glass,doors,andwindows

dcondition,secure,andoperateproperly.

perlyassembled,ingoodcondition,and

etrailerconnectingmechanismoperates

rely.Seethattrailerbrakelines andcon-

tionandsecurelyconnectedorsupported.

shield,andwindowliftmechanismtosee

torily.

acompletelubricationofthevehicle,

ordingtotheinstructionsontheLubrication

earcases,wheelbearings,andotherunits

14).Checkallgearcaseoillevels,and add

rrectlevel.Changeonlyif conditionofoil

ifgearoil isnotofproper gradeforexisting

e.NOTE:Performsteps(15)through(18)

NSIONS.Inspectspringsforsag,brokenor

ips.Checkshockabsorbersforsecure

Besurethatallsteering arms,rods,

odconditionandsecure.Makesurethat

ntedandnotleakingexcessively.

nspectallpropellershaftsand uni-

areingoodcondition,correctlyassembled,

kingexcessively.

RVENTS.Seethataxlehousingand

sent,ingoodcondition,andnot clogged.


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T

ketobesureit opensandclosesfully

chokebutton.

uringcoldweather,whenstarting

eatingunitforproperoperation.Start

gmotoractionis satisfactory,andengine

hardstarting.Sethandthrottle torunengine

pperiod.

ingengine,observeifoilpressure is

ssures,hot,are30to50poundsat operating

matidlespeed).Stop engineifoilpressure

onds.

etershouldshowslightpositivecharge

rtingengine,untilgeneratorrestorestobat-

arting.The"B"ammetershouldshow

eryisreceivingcurrentfromgenerator.

ginetemperatureshouldrisegradually,

normaloperatingrange,157Fto183F.

ntershouldindicateactualengine

nygiventime.Red pointerindicatesand

onsperminuteattained,andshouldnot

ernedenginespeed,2,400revolutionsper

nginehasreachedoperatingtempera-

gshouldremainin"ideal"range.

gwarm-up,airpressureshould build

orshouldcut offairfromcompressorat

gaincutin ifpressureinlines andreservoirs

arningindicator(buzzer) shouldsoundat

.

ouldregister "FULL"iftankhas

Observeifenginerespondsproperlyto

eratewithoutexcessiveloosenessorbinding.

ELDWIPERS.Seethatthesekernsare

re.Iftacticalsituationpermits,test horn

ne.Seeif wiperarmswilloperatethrough

adecontactsglassevenlyandfirmly.

WMIRRORS.Cleanallbodyglassand

senessanddamage.Adjustrearviewmir-


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REFLECTORS.Cleanlensesandin-

sand damage.Iftacticalsituationpermits,

itchestoseeiflampsrespondproperly.

okundervehicleandwithinengine

onsoffuel,oil,andcoolantleaks.Traceany

correctorreport themtodesignated

ENT.ChecktoolsandOnVehicleStow-

ureallitemsare present,serviceable,and

ed.

efollowingsteps(1)to (11)inclu-

fthevehicle.Onvehicleswhichhavebeen

thecourseofdeliveryfrorn thesupplying

educethelengthof theroadtesttothe least

keobservationslistedbelow.CAUTION:

evehicleatspeedapproachingthemaximum

ateshouldbeavoidedduring thetest.

NDGAGES.Donotmovevehicleuntil

hes135F.Maximumsafeoperatingtemper-

adingsof oilgage,ammeters,temperature

chometer,viscometer,andfuelgagetobe

eproper functionoftheunitstowhichthey

speedometerregistersthevehiclespeed,

rsaccumulatingmileage.

AND.Testserviceairbrakestoseeif

elywithoutsidepull,chatter,orsquealing.

loseswhentreadlepressureisreleased,and

sivedropinairpressure whenbrakesare

ouldholdvehicleonareasonableincline,

elinreserveandshouldlock securelyin

N:Avoidlongapplicationofbrakesuntil

pletelyseated.Donotapplyfulltreadlepres-

ncystop.

tchoperatessmoothlywithoutgrab,

gement,orslippagewhenfullyengagedunder

-inchfree travelbeforemeetingresist-

eclutchpedalatanytime,and donot

wclutchseverelyorunnecessarilyuntildriven

omeproperlywornin.NOTE:Never

omelessthan three-fourthsinch.Adjust

onsinparagraph59.

RANSFER.Gearshiftmechanismshould

ly;gearsshouldoperatewithoutunusual

mesh.Testfrontaxledeclutchingandpower

oequipped)forproperoperatioa


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NTIVEMAINTENANCE

eeringactionforbindingorlooseness,

lltoone side,wander,shimmy,orwheel

mnbracketandwheelaresecure.

rtforanyabnormalengineoperating

noise,suchaslackofpullingpoweror ac-

sfiring,stalling,overheating,orexcessiveex-

nginerespondsproperlytoallcontrols.

onthealertthroughoutroadtestfor any

ndattachments,runninggear,suspensions,

telooseness,damage,wear,inadequate

tedtires.

ILEINTERVALSFORSERVICES(9)TO

AKS.Withairpressureat governed

akesapplied,stoptheengine.Thereshould

pressurein1minute.

utiouslyhand-feeleachbrakedrumand

mperatures.Examinetransmissionandrear

nsofoverheating,orexcessivelubricantleaks

nning,andfuel,engineoil, andcool-

e,lookwithinenginecompartmentandunder

aks.

dReports.

atvehicleTechnicalManuals,Lubrica-

No.26(DriversReport-Accident,Motor

,AGOFormNo.478(MWOandMajor

entRecord),areinthe vehicle,legible,and

.S.A.registrationnumberandvehiclenom-

on FormNo.478fornewvehicles.

-intest,corrector reportanydeficien-

conditionofvehicletodesignatedindivid-

NTIVEMAINTENANCE

EVENTIVEMAINTENANCE

ntenanceinspectionsandservicesarea

functionoftheusing armsandaretherespon-

operatingorganizations.


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uencyofthepreventivemaintenance

consideredaminimumrequirementfornor-

Underunusualoperatingconditions,suchas

ustyorsandyterrain,itmaybenecessaryto

nceservicesmorefrequently.

CIPATION.Thedriversshouldaccom-

sistthemechanicswhileperiodicsecond

enanceservicesareperformed.Ordinarily

hevehiclefor ascheduledpreventivemainte-

blycleancondition;thatis,it shouldbedry

greasetosuchanextentthat inspectionand

ampered.However,thevehicleshouldnot

ghlyclean,sincecertaintypesofdefects,

ooseorshiftedparts orassemblies,aremore

slightlysoiled ordusty.

n thosecontainedinthegeneralpro-

specificproceduresinstep(5)whichfollow,

tperformanceofapreventivemaintenance

fadeficiency,refertoothersectionsof this

eminvolved,orreport todesignatedau-

S.Thesegeneralproceduresarebasic

efollowedwhenperformingtheserviceson

cificprocedures.NOTE:Thesecondechelon

ghlytrainedintheseproceduresso thatthey

ally.

edsubassembliesareinstalledto correct

betakentoseethattheyare clean,correctly

ted,andadjusted.

ricantretainerseals,a coatingofthe

overthesealingsurfaceof thelipofthe

aleatherseal,itshould besoakedinSAE

cticable)foratleast30minutes.Thenthe

dcarefullybyhand beforeinstallingthe

cratchedormarred.

ofeachitemappliesalso toanysup-

ction,andusuallyincludesachecktosee

ngoodcondition,correctlyassembled,

rn.Themechanicmustbethoroughlytrained

nsoftheseterms.

condition"isusuallyan externalvisual

heunit isdamagedbeyondsafeorservice-

condition"isexplainedfurtherby the


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NTIVEMAINTENANCE

rtwisted,notchafedor burned,notbroken

yed,notdentedor collapsed,nottornorcut

toseethatit is"correctlyassembled"

linspectionto seewhetherornotit isinits

ninthevehicle.

todetermineifitis "secure"isusually

ation,awrench,hand-feel,orapry-barcheck

pectionshouldincludeanybrackets,lock

res,orcotterpinsusedin assembly.

beunderstoodtomeanworncloseto,

ts,andlikelytoresult inafailureif not

cheduledinspection.

eareindicatedbyrepeatingtheitem

hichshowtheintervalat whichtheservices

howthat theparts,orassemblies,areto

yservices.Forexample,anitemnumberin

siteaTIGHTENprocedure,meansthatthe

ectmustbe performed.Thespecialserv-

aryadjustmentsinaccordancewith

smanual,specialbulletins,or othercurrent

vehiclewithdry-cleaningsolventto

dirt,andotherforeignmaterial.Afterthe

emin cleanfluidanddrythemthoroughly.

s cleanuntilreassembled,andbecertainto

romrubberorother materialthatitwould

tivegreasecoatingfromnewpartssince

agoodlubricant.

sapplieseithertolubricationopera-

nthevehicleLubricationGuide,ortoitems

des,but shouldbeperformedinconnection

rations,ifpartshavebeendisassembledfor

stsofperformingspecialoperations,

rywater,drainingandrefillingunits withoil,

heoilfilter orcartridge.

perationsshouldbeperformedwith

forceonthewrenchhandle)totightenthe

chanicalpractice.Usetorque-indicating

Donotover-tighten,asthismaystripthreads

ningwillalwaysbeunderstoodtoinclude

ockwashers,locknuts,andcotterpins pro-

ing.


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itdifficulttoperformthe complete

proceduresatonetime,theycan sometimes

nningtocompleteall operationswithinthe

bletimeathalts, andinbivouacareas,must

ssure thatmaintenanceoperationsarecom-

etacticalsituation,itemswithspecial

ouldbegivenfirst consideration.

eventivemaintenanceproceduresthat

oseoutlinedonW.D.AGOFormNo. 461,

intenanceServiceWorkSheetforWheeled

ertainitemsontheworksheet,thatdonot

ot includedintheproceduresinthis manual.

equenceofitemsonthe worksheetisfol-

dures,butinsome instances,thereisdevia-

emechanic'stimeandeffort

ES.Theproceduresforperformingeach

thly)and6000-mile(6-month)mainte-

cribedinthefollowingchart.Eachpageof

atits leftedgecorrespondingtothe6000-

enancerespectively.Veryoftenitwillbe

ceduredoesnotapplyto bothscheduled

determinewhichproceduretofollow,look

ondingtothemaintenancedue,and,where-

ars,performtheoperationsindicatedop-

tuationdoesnotpermit

oseitemswhichrequire

e vehicle.Whenaroad

eforpreferably5miles and

PerformtheBefore-

ribedinparagraph12,asa

erornotthevehicleis in

maketheroadtestsafely,

pplyoffuel,engineoil, and

vernorCut-off,Low

gwarm-upperiod,op-

ngenoughtoobserveifair

normalratetospecified

tgovernorthencuts off

engineatnormalidling


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NTIVEMAINTENANCE

romsystembyrepeated

serveifcompressorcutsin

essureindicator(buzzer)

below60pounds.Anyab-

e,exceptfrombrakeap-

gatedbymakingelimina-

es.

pressureshouldbebe-

normaloperatingengine

f minimumpressureat

pengineifoilpressure

operationatanyspeed.

rshouldshowapositive

after startingengine,

batteriescurrentusedin

onconditionofcharge

oadcarried.Withbat-

gulatorunitcut in,am-

lyslight charge."B"am-

etoindicate"B"batteryis

nerator.Stopengineand

readingswithenginerun-

oriesturnedoff.

oil atnormaloperating

ouldremainin"ideal"range.

y"range,inspectoil fordirt

o"thin"range,itmayin-

GE.Readingshouldin-

arm-uptonormaloperating

F.CAUTION:Donot

temperaturehasreached

mperature200F.

ershouldindicateac-

rminuteatany giventime.

emainsathighestrevolu-

dshouldnot exceed

nginespeed,2,400revolu-


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cleisin motion,speed-

ualvehiclemilesperhour,

rdtotalaccumulatedmile-

uldregisterapproximate

lltimes.

ertoitem2forspecifi-

hieldWipers.Iftacti-

ornsforproper operation

ionmirrorandwipers to

ditionandsecure.Test

Makesurethatwiper

yandoperatethroughtheir

onsofloosewipermotor

onmirrorforcorrect

ng,BrakingEffect,

ter,PedalTravel,

akesatvariousspeeds

ootpedalsufficientlyto

stance,andobservebrake

oneside,unusualnoise,or

esswithlittleeffort,and

nwhen released.Apply

eeifit functionswithout

hicleonreasonablein-

,andobserveifitholds

verhasatleastone-half

atchetand pawllatchthe

Noise,Chatter,Grab,

uldbe 11Ainchesbefore

lutchfordragwhenshift-

ouldstop transmission

emadewithoutclashing.

enpedalis depressed

tiveordryreleasebearing.


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NTIVEMAINTENANCE

noteanytendencytochat-

engaged,orslippagewhen

reeplaytobecomeleas

ch.Adjustonlyaccording

r(LeverAction,De-

e).Leversshouldmove

oneasilyand quietly.Test

atfrontaxleengagesprop-

atmayindicateloose

ayindicatedamaged,ex-

uatelylubricatedparts.

Wander,Shimmy,Side

Withvehicleinmo-

fullyinboth directions,and

nyindicationoflooseness

ncytowander,shimmy,

veifsteeringcolumnand

nandsecure.

,Power,Noise,and

veengineoperatingchar-

moothlywithoutstalling.

forknocksandrattlesas

nddecelerated,andwhile

eavyloads.

ER.Operatetheengineat

ratios,notingifthevehicle

ndacceleration.Noteany

ting.Aslight pingduring

.Continuedorheavyping

heavyaccumulationof

berfuel.

hevehicleinalowgear,

ratortothetoeboard,and

terreading,noteiftheen-

esnotexceedthe specified

ute.


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ents,Cab,Wheels).Be

stforanynoisethat may

attachmentsmountedon

ngs,floorplates,doors,wind-

particularlyforindica-

ings.

Withtheairpressureat

ndthebrakesapplied,stop

otbe anoticeabledropin

fany pressuredropoccurs

air brakesystemforleaks

ms,Hubs,Axles,Trans-

andcautiouslyonall

bstosee iftheyareab-

housings,transmission,

ationsofoverheating.

Fuel).Lookinengine

vehicle,forindicationsof

eaks.Traceanyfoundto

reportthem toproper

NS

y

Axles,Transmission,

erplugsinfrontand

ndtransfercase,andcheck

velisfromloweredge of

elowwhenhot .Allow

tosubsidebeforechecking

bricant.Ifan oilchange

,orconditionof lubricant

ecessary,drainandrefill

l.Note-anyindicationsof

atoilsealsor gaskets.

elts,Accessories,

haftsandJoints,Axles

enginerunning,ob-


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NTIVEMAINTENANCE

ESSORIES.Accelerateand

mentarily,andlistenforany

s thatmightindicatedam-

ywornengineparts,drive

atethenoise,andcorrector

ty,anyunusual engine

dtest

R,PROPELLERSHAFTS

WHEELBEARINGS.With

mediategear,andfront

ratetheseunitsata con-

useofthe handthrottle.

ethatmight indicate

sivelywornunitparts.Also

sandwheelsfor vibrations

onsin theotherunits

nessorunbalance.Allof

otateatapproximatelythe

wheelsmayindicatetight

Alsobesure tolocate,cor-

erauthorityanynoisenoted

ts.Lookforcracks

t,orcompressionleaks

andgaskets.CAUTION:

betightenedunlessthere

s.Iftighteningis neces-

gwrench,andtightenhead

ceandto52V2foot-pounds

nces,CoverGaskets).

ceonlyifnoisy;intake

ot).Exhaustclearance

earancestoabovespe-

tems,springs,seatsand

,correctlyassembled,and

erstobesuretheyare in

hemsecurely,usingnew

PublicDomain,

Google-d

igitized

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oogle

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wnFrames,Carrier,

ge).Inspectbattery

Cleantopofbattery.In-

olts,posts,straps,andhold-

dition.Testspecificgrav-

onW.D.AGOFormNo.

ngsbelow1.225indicate

edorreplaced.Electrolyte

eighthsinchabovesepara-

getestaccordingtoin-

estwhichaccompanytest

tageonW.D.AGOForm

uldnotbe morethan30

ravitymustbeabove

levelbyaddingdis-

entirebatteryand car-

oded.Cleanbatterycable

andhold-downframescare-

ttery.

ts).Withoutremoval,

einsulatorsfordamageor

nleaks.

minetoseeif theyare

icularattentiontobroken

bonoroxidedeposits,andto

eanplugsthoroughly.If

e,installnew orrecondi-

tinstallplugs untilitem

etpluggaps to0.025inch

electrodes.

ompressionwithallspark

sionpressureatcranking

85 pounds.Thereshould

undvariationbetweencyl-

onpressuresonspacepro-

et,W.D.,AGOFormNo.

PublicDomain,

Google-d

igitized

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NTIVEMAINTENANCE

vel.)Withengineidling,

ecovers,timinggearcover,

aks.Stop engine,and

rankcase,checktoseeif

oilchangeisdue,or

enecessity,draincrank-

velwith freshspecifiedoil.

againuntil item24has

ctfiltersand external

eyarein goodcondition,

emovefilterbodydrain

ts.Removefiltercartridge

tridgechangeisdue,or

cessity,replacewithnew

etsareinplace.Tighten

urely.

ntings,Hose,Capand

d,OevrflowPipe).In-

oseeif theyareingood

leaking.Besureoverflow

ged.Examineconditionof

socontaminatedthat

leaned.Ifcleaningisnec-

ordingtocurrentdirectives

e,recommendedcleaner

materials.Cleanallinsects,

mcoreair passages,and

s.CAUTION:Useonly

woodor bluntinstrument

ezeis inuse,testits pro-

nspace,providedonback

ormNo.461.

nalllooseradiator

tions,andhoseclamps.

ectpumptosee ifitis

andnotleaking.Examine

nglooseness.Inspectfan

onand thatbladesand

vebeltsandexaminefan

PublicDomain,

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NTIVEMAINTENANCE

pplyafewdropsofen-

alvefulcrumpin.Applya

y-cleaningsolventon

nor.

ervalveclearances

aminealldrivebelts

dition,excessivewear,and

rivepulleysandhubsto

ditionandsecurely

othatdrivebeltshave

uredeflection.

apter.Noteiftheyare

yassembled,andsecure.

haftforkinks,and thecon-

lleaks.

ints,Shaft,Advance

orbodyandexternal

nditionandsecure.Ex-

s:

Cleandirtfromcapand

r,andbreakerplatetosee

on,secure,andserviceably

tiontocracksincapand

lsandconnections,andto

tpoints.See thatpoints

dto 0.020inch,whenwide

rty,removeassembly,

ent,drythoroughlywith

ateitsfrictionpartsvery

movewickandlubrication

acethemaftercleaning

ointsare pitted,burned,

bledegree,replacethem.

pointsareburned,asthis

eaningpoints,usefine file

seemery),andblowout

r.


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-feelforexcessivewear

nstallrotoronshaft,and

yfingerforcefor normal

ttedbymechanism.Note

ositionwhenreleased

g.

bricatecamsurfaces,

accordingtoinstructions

gapsto0.020inch.

l,ignitionwiring,in-

ts,toseeif theyareingood

yconnected,andproperly

oltagewiringinengine

er.

spectforlooseness,dam-

skets.Examineforevi-

es,usuallyindicatedby

nallmanifoldassembly

retoraircleanertosee

ecurelymountedandcon-

emovereservoirandele-

gsolvent,anddry.Fill

thcleanor usedengineoil,

asketsareinplace and

nectionstight.

nkcasebreathercapto

n,secure,andnotleaking.

lement,andwashclean

efillreservoirwithfresh

esecurely.

tle,Linkage,andGov-

are ingoodcondition,

securelyinstalled.Make

otleakand thatthecon-

keandthrottleshaft,isnot


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NTIVEMAINTENANCE

veifchokevalveopensfully

eleasedposition,ifthrottle

acceleratorisfullyde-

oris secureandproperly

inefilterto seeifitis

ymountedandconnected,

fvalve,andremovefilter

nt.Washcleanindry-clean-

esecurely,beingsuregas-

N:Ifelementcannotbe

ceunit.Donotscrapsele-

supply,andrecheckfor

pectpumptoseeif it

elymounted,andnotleak-

wlandscreen,andwashin

uregasketisinplaceand

einstalled.

ure sideoffuelpump,

item39,seethatpressure

reshouldbe2 pounds

maximum,atidlespeed.

eed).Starttheengine,

onofcrankingmotoris

rlysurethatitengagesand

excessivenoise,hasade-

diftheenginestarts readily.

rts, notewhetheroilpres-

dicationsaresatisfactory.

dWater).Withen-

ointsofoil, fuel,andcool-

eanyleaksfoundto

ortthemtoproper author-

.Withenginerunning

nnected,observeifignition

whetherautomaticcon-


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sengineis accelerated

mingtospecifications

est.Inspectasfollows:

mgagetointakemani-

ormalidlespeedbymeans

adjustthe idlemixture

uumgageindicatesasteady

elatteradjustmentsare

ewillbesaved.

nginerunningatnor-

gageshouldreadabout18

ould besteady.Aneedle

d15inchesmayindicate

gasketorvalve.Anex-

ndicatealeakin intake

erateanddecelerateengine

dicatorfailstodropto

throttleisopened,and

st24inchesas throttle

cationofdilutedoil,poor

ormalrestrictionincarbu-

st.NOTE:Abovereadings

ll beapproximatelya

feetof altitude.

ons,Voltage,Current,

latorunittoseeif itis

ymountedandconnected,

gecircuittester,and

or,currentregulator,and

toroutputproperly.Fol-

manual,orthosewhich

nt.Replaceiftest shows

N:Thistestshouldbe

unithasreachednormal

ection,Line).Inspect

reservetanktosee that


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NTIVEMAINTENANCE

clean.Besurecapispres-

tychain.Notewhether

otexcessivelyworn.Ex-

ation,andcheckfordam-

ose,andtestsystemfor

ormingitem47.

nsandCaps,Condi-

SpareCarrier).Inspect

Observeifallvalvestems

correctposition,andif

nd installedsecurely.

withpliers.

resforcuts,bruises,

oveembeddedglass,nails,

lartreadwear,watching

upping,featheredges,and

tireswornthinatcenterof

bletires),andexchange

Anymechanicaldeficien-

nsshouldbedetermined

toproperauthority.Wheel

ularwear shouldbe

Fronttires,wornirreg-

rearwheel positions.

resandnondirectional

edonsamevehicle.Direc-

sshouldbemountedso

ointdownwhenviewed

tiresonall frontwheels

sothat "V"ofchevrons

romfront ofvehicle.

erlyinflatedtirestosee

dingtoover-allcircumfer-

eewhethersparetirecar-

nandsecure.

ckringsorflanges

nand secure.


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elrimflangeor lugnuts

inflatedto65 pounds

umferenceofalltires in-

stobemountedon duals

ywillnothavedifferences

exceedingthe%-inchlimits

vesandbulletins.Mount

ertireoutside.Thevalve

dpoint out;thevalvestem

ntin, andshouldbeop-

Sparesmustbematched

useonone oftheroad

eeding90days.Acon-

uringthesemaintenance

ngthetire-matching

eelsuntilwheelbearing

ports,Camsand

easfollows:Remove

ntenance,severalwheel

pto 52aregroupservices

storderfor economyof

bly.

Cleandirtandgreasefrom

hields),keepingdry-

mlinings.Examinedrums

yareingoodcondition,se-

msareexcessivelyworn

fcamsandshaftsare

heycontact.Alsonoteif

ncollarandifshaftsand

upportcapscrewsand

y.


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NTIVEMAINTENANCE

,Anchors,Springs).

spectionholestoseeif

dsmaycontactdrums

operation.If vehiclehas

er,mud,orloose sand,

ndexamineliningfordam-

eplaced,removeall

s,andserviceasnecessary,

te,andadjustall removed

edinitem52 belowfor

inormethodifneces-

,andinspectliningstosee

on,tightlysecuredtobrake

ntactwithdrums,freeof

xcessivelyworn.Alsosee

tion,properlysecuredto

ctingsprings,andthat

siontoreturnshoesprop-

hicknessofliningat most

ghfor atleast1,000miles

dsarelikelyto contact

reasefromlinings with

ressedair.

trelateditemsto60in-

ustshoesbyminormethod.

talled,adjust bymajor

graph126.Adjustslack

sh-rodtravelisat mini-

raph126.

eals,DriveFlanges,and

asfollows:

oseeiftheyare ingood

heckforloosenessofwheel

olvewheels,andlistenfor

edbearings.Inspectaround

sforlubricantleaks.


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S.Noteiftheyarein

re tightenedsecurely.

wheelbearingsandoil

dry-cleaningsolvent.Ex-

onestosee iftheyarein

edsurfacestheycontactare

ere isanyexcessivewear.

henalloftherelated

erewheelbearingsaretobe

ngsasfollows:Besureall

e handsclean,anduseclean

wheelhub,the hubcap

sideofspindleoraxleshall

oflubricantto retard

thermachine-packedor

glubricantintoallspacesin

sorouter racesandthe

bricants,andinstallnew

ecessary.

largecavityinwheel

ngswithlubricant.Itwill

als.

wheelbearings,re-

sembliesintoplace.Ad-

tly(par.134).

ports,Camsand

rs,PushRodsand

spectbrakehose,cham-

nd slackadjusterstosee

on,correctlyassembled,

pectandserviceasfol-

Cleanandinspectinsame

ctinsamemannerasin

s,Anchors,Springs).

in item49.


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NTIVEMAINTENANCE

ethodifnecessary.

inspectshoes,linings,

memannerasin item49

nnerasinitem 49.

annerasin item49

emsto60inclusiveare

Bearings,Seals).In-

singsare ingoodcondition.

ksaroundsteeringarms.

ealsand sealflangesare

re.Removelubrication

eoflubricanttosee ifitis

velocityuniversaljoint

lyindry-cleaningsolvent

versaljoint.Inspectparts

onditionandnot exces-

rattentiontouniversal

es,axlesplines,flanges,

ngs.

cknewlubricantwell

versaljointuntilitfills all

es,andraces.Reassemble

aretoreplaceanyunser-

rseals,boots,orgaskets.

tiontoreinstallshims

position fromwhichthey

mblytoinsurecorrectpivot

adjustment.

es,U-bolts,Hangers,

theseitemsarein good

mbled,andsecure.Spring

place.Springleavesmust

correctposition.Thismay

redcenterbolt.Noteif

snormaland approxi-

gersandboltsfor exces-

rybar.


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gU-boltssecurelyand

DragLink,Sealsand

ColumnandWheel).

n goodcondition,cor-

bledandmounted,ifsteer-

bricant,andiflubricantis

larattentiontoPitman

mountedandnot bentout

bserveif steeringsystem

armshaftnutsecurely.

caseassemblyandmount-

arenot todisturbadjust-

AUTION:Loosensteer-

ighteningsteeringcase

distortcolumn.

dLinks.Observebodies

oodcondition,securedto

somakesurethatlinks are

frubberbushingsare hard

idtoexposedsurfaces.

rbodieswithspecified

esandadd morefluid.

iris expelledandreser-

tlink,andobserveif ac-

movedbyhand,there

ways.

eals,Flanges,AxleEnd

ontwheels,bearings,

utsin samemannerasin

heelitems.

an,andinspectthefront

sin thesamemanneras

re tochecktheuniversal

flangesareremoved,so

ntmaybe madecon-

ling.

pplyinsamemanneras


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NTIVEMAINTENANCE

ringsinsamemanner

d adjustbrakeshoesas

,Seal,Vent,and

pearstobe outofline,

ontspringeyeboltto center

hside.Distanceshould

singtosee ifitis ingood

Examinepinionshaft

aminesealforleaks.

gventthoroughly.

s,Alinement,Seals,

eseitemsarein good

ecurelyassembledand

ersaljointsareproperly

are notexcessivelyworn,

otexcessivelyworn,and

esealson theuniversal

eak.

ersaljointassembly

tssecurely.

dStrap,SidePans).

goodconditionand

nnected.Besuretoex-

ngine mountingsand

s,thatrubber isnotsepa-

ng.Ifmountingbolts

operly,takingcarenotto

rgreasefromrubber

brakefluidif rubberis

Pawl,Linkage,Disk,

eifratchet,pawl,and

on,secureandnot ex-

notscoredor oily,and

edorworntoothin.

etweenbrakediskand

ke leverisreleased.

Linkage,Return

ravel,whichmustbe


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resistance.Examineto

ountedtoshaft,ifclutch

dcondition,secure,and

ctionjoints.Seeifr e-

on tobringpedaltocor-

tchpedalfreetravel

:Nopedaladjust-

orrectprocedure,see

ReturnSpring).Pedal

pectalllinkagetosee if

urelyconnected,andnot

njoints.Besurereturn

pedaltocorrectreleased

e.Seeifapplication

od condition,correctly

ndthatvalveclosesfully

ed.

ervewhethertheyare

re.Openthedraincocks,

n.

Seals,Linkage).Note

oodconditionandsecurely

cantleaksatsealsand

inkageandshiftmech-

ssivewear.

age,Seals,Vent).

condition,,securely

onanddeclutchingcontrol

smissecurelyconnected

e ventisopen.Lookfor

ksatsealsandgaskets.

ged.

rnalassemblyand

ectinsamemanneras


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NTIVEMAINTENANCE

ersaljointand com-

ly.

Seals,Vent,and

samemannerasin item

gventthoroughly.

s,Rods,Seals,and

temsare ingoodcon-

andmounted.Examine

xaminesealsforlubricant

s,U-bolts).Inspect

eras initem56.

Links.Inspectinsame

operatingcheckin

.

yareall ingoodcon-

mountingsusingcoil

e ingoodconditionand

esespringssh

Tm 9-816 AUTOCAR U 7144

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