TM 5-3000 CASE DI TRACTOR 1943

8/13/2019 TM 5-3000 CASE DI TRACTOR 1943

1/219

NICALMANUAL

r-Tired,

d,

SP)2725

MSP)-63

MSP)-44

ONSANDPARTSCATALOG

ober1943

Publ

icDomain,Google-digitized

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1943)

nstructionsand

actor,Wheeled,

0DBHP,Rigid,Case

1088-eng-(MSP)2725

SP)-63

SP)-44

nandguidanceofall

ofWar.)

PublicDomain,Google-digitized

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3/219

NS

ONS

tWl088-Eng.(MSP)-2725

MSP)-63

MSP)-44


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4/219PublicDomain,Google-digitized

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5/219

ceInstructions

stment71

9

the55

ions14

actor38

4

94

19

30

9

he5

on81

rOperation55


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0

e69

ndReduction68

mentof65

pment89

77

orUse6

tial14

mendations14

ce44,45

ng45

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ake

of

ectingRodsandPistons,Detailsof.1639

sembly

uiredtoService

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STRUCTIONS

6. Imp.gal.82.9liters

S.gals.5.4Imp.gal. 24.6liters

.5Imp.gal.6.6 liters

tial:10U.S.gals.,8.3Imp.gal.,37.8 liters

bicin.

6to1

96lbs.

P.M.

P.M.

M.

.032"

del62-AXJ9

MA

12TT

Internalexpanding

shaft.

peed)- 540R.P.M.

7Kon12.00-24tires 21.6L.R.

rawbar Center

actoronlywithoutequipment)

X"

wheel -66"

77^"

3',9" L.H.14"5"

o17"

gasoline 5393lbs.

ndgasoline 5217lbs.

romJohnW.HobbsCo.,Springfield,Illinois

e1C)for lockingtoolbox Purchasedfrom

ee,Wisconsin


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NSPages

t

ventdamageto thetractorthefollowingrules

athighspeedabove5milesper hour.Brakes

onlyatlowspeeds.

beexercisedwhileworkingonhill sidesorrough

ctorwhileit isinmotion.

allywhenstartingthetractor,so thattheloadwill

particularlytruewhenthetractorisgoing up

tofabogor ditch,orwhenhitchedtoa heavyload.

conditions,theoperatormustbepreparedto dis-

shouldthefront wheelsraiseofftheground.

ldneverbeoperatedwithoutthestandard

actor,orwithoutthe powertake-off

ertherevolvingshaftfromtractorto driven

ake-offdrivenmachinebedelivered

ields,contactthefactoryimmediately

nufacture.Ifthemachineisotherthan

epresentative.

engine,thehandleshould bepulledupwardand

eft handsotheoperator'shandwill beinaposition

e startingcrankifthereshouldbe areversalof

ation.

okCarefully.


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RUCTIONS

ORUSE

CaseCo.thateachtractordeliveredshould benot

t,butascleaninappearanceasitwasthe dayit

rpossible,boxcarswillbeused inmakingship-

quirestheremovalofsomepartsfromthe tractor

eplacetheseparts,using lockwashersonallbolts.

y,makingsurethatnothinghasbecomeloose,

ment.Removecinders,dirtorpaintfrom moving

usethepartsto bind.

eincapof fueltankisopen.

seethatitdoesnot stickandthatshoedoesnot

hatboth brakeandclutchengageproperly.

entiretractoraccordingtolubricationchart,Fig.

nstructionsonpages 14and15.

thefactorywithoutoilin thecrankcase.Before

warmweather,sevenquartsofagood gradeofoilhav-

No.10shouldbe putinthecrankcase.Inaddition

urhours,addone pintoflightoil toeachfivegallons

s beenproperlyrunin,discontinuetheuseof

tinueitsuse inthecrankcaseincoldweather.

enginefor unloadingpurposes,ortorunonlya

rankcaseisfilledto theproperlevelwithagood grade

ingsystemfilledtocapacity,willresultindamageto

edtostandfora considerablelengthoftime,oil

ts,causingthemto sweatorrust.Theymayseize

beforethe engineobtainssufficientlubrication,par-

forenewtractorsarestarted up,theinspection

nkcaseberemovedandtheinteriorof theenginebe

fasquirt canorbrush,givingparticularattentionto

ilpumpandthehelicalgear onthecamshaftwhich


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ONSPage7

precautions,yourCase"DI"SeriesTractorwill

gcondition.Thesemaybesummarizedas follows:

goodoil inengine.

erregularly.

.

larintervals.

orrectpressures.

uality.

atteryover topofplates.

OR

SeriesTractorhas beenputingoodoperating

owever,thefollowingprecautionsmaywellbe

rythingisin order.

eckalltireinflationsand seethatfronttireshave

artires have12poundspressure.(Seepage83).

gher(25to 30pounds)whentractorsareshipped

nintransit.

lightoilintoeachcylinderthroughthe sparkplug

eenoughto allowthisoilto lubricatethecylinder

Theyshouldbe .028to.032".Plugsarepacked

,adjustthespark plugpointsbybendingthe

empttobendthecenterelectrode.Installthe

ketwrenchfurnishedwiththetools; besurethat

aceto formagas-tightseal.

aseandtransmission;sevenquartsin crankcase

ssion.

beenlubricatedaccordingtoinstructions.(See

ge13),beforestartinga newtractor.

el owerreservoiroftheaircleaner.Referto page17.

ansoftwater(Capacity6^gallons).Donotrun

g,oratany time,withoutputtingthefullquantity

ystem.

.1inthe filterunderthegastank,and fillthefuel

ty19]4gals.)addingonepintof lightoiltoeach

e tractorisnew.

ncapoffuel tank2,Fig.1is open.

Fig.1 atbottomofthecarburetorandturn onthe

solinetorunthroughtoclean outthefuelline

closethedraincock.

,Fig. 3toseethat clutchdoesnotstick,thatshoe

eeveandthatbothengageproperlywhenoperated.


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NS

ngine

njetneedle valve4,Fig.1,\Y"2.turnscounter-

sition.

ig. 3inthe neutralposition.

ataboutmid position.Pullingbackonlever

ausestheenginetooperateathigher speed.

dedcranktheenginea fewrevolutionsand

workingfreely.

out14to %ofitsfull travelwhenstartingthe

nginegraduallywarmsup,push thechokein.

recommendedasitwillvaryslightlyonone

Itfunctionsthesame asahandcontrolchoke

tomobilesandtrucksfor years.

enginetoo muchorthecarburetorwill

singtheelectricstarter.Whentheengineis

ngwithoutusingthe chokeatall.Flooding

echokingortostoppingtheenginebyground-

rottle fullyopen.


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NS

Engine

tenginerunsabouthalfnormalspeed andadjust

Fig.1until engineruns"free"andsnappy.

ngine,thecrankshouldbepulled acrosscenter

espeedof thecrankbyamoderatequickpull,just

facilitatestarting.

NCEofonesimplerulewould

eriousinjurieseachyear.THAT

TTOCLEAN,OIL,ORAD-

MOTION."

.


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NS

,Fig.3, andshiftintotheroad speeddesired,

lutchpedal.

pendentirelyupontheload andgroundconditions

perating.Occasionallythegearswillstop withthe

andtherebypreventeasymeshing.Shouldthisoccur,

ndrotatethegears slowly.Theteethwillthenmesh

ursmorefrequentlywhenthetractorisnew.

hpneumatictires,tractorswillleavethefactoryinflatedto

edbythetiremanufacturer,forthesizesand typesof

is equipped.

retires,the tiresareinflatedtoa pressurefrom25

eventbouncingactionof theequipment.Before

dwithlowpressuretires, checkalltireinflationsand

ave 28Ib.pressureandthe rearwheels12Ib.pressure.

pall pneumatictiresproperlyinflatedatall

magingtoside wallsaswellasthere isthedangerof

ms.

esperhourwiththe enginerunningat1200r.p.m.withthesize


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NS

S

orhasbeendesignedto efficientlyhandleawide

ngeof speedandpower.Fuelconsumptionon

eimprovedbyusing ashighatransmissionratioas poss-

nedown toalowerspeedif necessarytokeepground

imits.Ontheotherhand,if anytractorissubjected


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TRUCTIONS

ange,all workingpartswillbeunnecessarilystrained,

periodsof time,unnecessaryexpenseandexcessive

rienced.Bestresultsareobtainedwith theengine

uarterload.

eenginebe throttleddownbeforedisengagement

ristoremainstanding,placethegear shiftlever2,

thehandbraketo preventthepossibilityofthetrac-

torbe standingonagrade.It isadvisabletoshutoff

therthanidlingforlong periodsoftime.


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ONS

CATIONCHART

SOLINE

LUBRICANTSTOIE USED

MPERATURE

56

gs

d

,i,i

.n.1

olt

..:


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TRUCTIONS

ICATIONANDSERVICEINSTRUCTIONS

DPARTS

tionandServicebelow0 F.,refertoEFSB

bricationandServiceabove90 F.,refertoEFSB

eapplyingthelubricantgun.Unlessotherwise

ewgreaseextrudesfromthebearing.

orafterwashing.

hours,disassemble,cleanall.partsandrefillto

onditionscleanandrefillmoreoften.Keepall

kepipeandscreensclean.(Crankcasebreather).

clean.Breatherislocatedonenginevalvecover

ourscheckandfill tolevelofupperlevelplug.

horoughlywarm.Every64 hourscompletely

oupperlevelplug. Seetable.

engine,besurepressuregaugeindicatesoilis circulating.

en).Every256hours,removeoilpumpscreen

ecover,cleanandreplace.

hoursremoveoldelement,cleancase,andin-

ankcasetolevelofupperlevel plug.


FFERENTIALBeforestartinganewtrac-

ssionis filledtoheightoffiller spoutonrear

afterevery128hourschecklevelwithtractoron

ubricantif necessary.Transmissionanddiffer-

ushedandrefilled after1024hoursofuse.When

yafteroperation.

ainoilfromclutchhousingwhencompletely

GSRemovewheel,cleanandrepackbear-

-Eforhightemperatureoperation.

Every8hoursscrewcupin oneturn.Refill

bricant.

every8hourswithCGlubricant.

very8hourswithCGlubricant.

NLubricateevery8hourswith CGlubricant.

every8hourswithCGlubricant.

Lubricateevery8hourswithCG lubricant.

RTBRACKETLubricateevery8hourswith

GLubricateevery8hourswithCGlubricant.

Lubricateevery8hourswithCGlubricant.

INGLubricateevery8hourswithCGlubri-


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NSPageis

VELubricateevery8hourswithCGlubricant.

bricateevery8hourswithCG lubricant.

NLubricatesparinglyevery64hourswithCG

ubricateevery64hourswithCGlubricant.

tesparinglyevery64hourswithOEengineoil.

paringlyevery64hourswithOE engineoil.

TypeJMAMagnetousedonthistractoris

bearings,aswellas oillessbearingswhichrequire

meofgeneraloverhaul.

ry64hourslubricateclutchandbrak'elinkage,

nectionswithOEengineoil.

OLUBRICATIONClutchPilotBearing,

teeringGear,Governor,PowerTake-Off,Radius-

eRockerArms.t

shownas"W"inFig.2, needslittleattention

nectionsaretight,andtochangetheelementap-

ursofoperation.

sthe oilappearstobeclean,continueto useit,

toreplaceit.Anexperiencedoperator,whogivesthe

aircleaner,aswell astochangingtheoil attherecom-

avetochangethis elementsooften.

upperlevelplug afternewelementhasbeeninstalled.


ement,removethetopnut,afterwhichthe filter

dtheelementliftedout andreplacedwithanewone.

mentassemblyiscarriedunderNo.25789-2andis

tomobileandtrucksupplyhouses,ordirectfrom

essisNewark,N.J.


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TRUCTIONS

withthecarburetorchoked,Turnoverthe enginea

giftheimpulsecouplingisworkingfreely.Pullthe choke

ulltraveland thethrottleleverinone-halfopen

groundingleverinthe runningposition.Turnover

cstarter,or byhand.Whenhandcrankingtheengine,

ankacrosstheradiatorinsteadof inaverticaldirection.

amoderatelyquickpullof thecrankjustpriorto passing

ng.

oodconditionandseethatthe pointshave

4 forfurtherinformationonsparkplugs

beforestoppingi fyouintendtostart again

waysbeblamedforhard starting.

STARTING

agnetoforhard starting.KnowWhatToDo.

de ofgasolineshouldbeused.

besureto seethatgasoline,isin thecarburetor

houldbeusedin theengine.OE10-Wissatisfac-

cranking.

withthecarburetorchoked,cranktheenginethree

ametime,observeif theimpulsecouplingis

nposition andthecarburetorthrottleinone-half

eft hand.Donotspin,pull crankacrossthe

rticaldirection,approximatelyone-halfturn.Donot

hiswillpreventengagementofthe impulsecoupling.

conditionandseethatpointshavepropergap.

beforestoppingi fyouintendtostart againwith

reezingweathercondensationmayforminthe

eitmight freezeinthebottomofthe crankcaseandon

turnwouldrobthebearingsof. oil,thismightcause

this lineitis advisabletoloosentheoilpan drain

has beenstandingacoupleofhours andseeifit con-

ecessarytoremovethedrainplug,simplybackit up

dsareholdingandif crankcasecontainswateritwill


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NS

e aircleaneratleastoncea day,oftenerunder

ns,insuringthattheintakepassageisfreeof gritand

voirandchangetheoil asfrequentlyasabove.

oosenhandnut1, Fig.5soclampstrap canbe

old oilfromthereservoirandcleanout theleaves,

rydustyconditions,usea longscrewdrivertodis-

ofintakepassageinbodyofcleaner.(See2, Fig.5).

rshould beremovedevery8hoursofoperation,or


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TRUCTIONS

tions,cleanedandfilledtothelevel markedonreservoir

sitythesameasthatusedin theengine.However,if

enthe weatherisquitecool,itmaybe necessaryto

orethan15%keroseneortractor fuel.Donotuse

allportionof theoilusedin thecleanermaydisap-

ditionandshouldcausenoconcern.

owtheseinstructionssothatdustand dirtwill

eairstream.Dirt anddusttakenintoanengine with

mfulastheywillcauseexcessivewearofpistonsand

estems,wearofvalvestemguidesandmaycause

orholdopenso thattheywillleakandburn.

shownat3,Fig.5 shouldbekepttight,other-

e aircleanerwillbedefeated.Occasionallyinspect

rcleanerandthe carburetortoinsurethatnoleaks

fexcessivewearofenginepartshave beentracedto

nerandthe carburetor,orinthemanifold.


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ONSPate19

ofengine difficultyhasbeencompiled

djustmentand alsoasanaid tolocating

URETOSTART

plugs7

7

y44,45

adjusted44,45

4

,45

ed44,45

artiallyclosed33

45


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STRUCTIONS

44,45

st/.18

rings42

walls:,50

92

EXHAUST

pentoofar(Black33

Smoke.....33

e13

Smoke14

PIPE

n45


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ONS

stedatthe factorytoprovideano-loadengine

367R.P.M.Fullload speedis1200R.P. M.Belt

818R.P.M. Theno-loadpulleyspeedisabout930

rnoradjustmentneednotbe changed,andinno

gine speedbegreaterthan1200R.P. M.

d,multiplybeltpulleyspeedby 1.47(ormoreex-

eedchangingtobring itbacktothe settingorigi-

anadjustmentcanbe madebylengtheningorshorten-

throttlelever ontheseatmountingbracketandthe

efanon therighthandsideof theengine.Thisad-

of thefueltankforwardsupport.Shorteningthe

nginespeedandlengtheningthe roddecreasesthe

ustmenthasbeenmade,besure thatthelocknuts

makingtheadjustmentitwill benecessarytousea

chometer)oraspeedcounter.

etoAssembly


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ONS


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STRUCTIONSPage23

EMBLINGGOVERNORANDGOVERNOR

NNECTIONS

orshaftinto governorshaft(36),anddrive%"x

wnin(33)inplace.Drive bushings(5)forgovernor

et(8),andreamtosize .376-.377sogovernorshaft

seal(31)forgovernorshaft,intomagnetobracket(8)

forgovernorshaftand keymagnetocoupling(34)to

ve%"x \y"type1groovepin(40) inplace.Place

tobracket(8)withthrustwasher(27)for governor

ar(11)to governorshaft(36).Securethegovernor

andnut(28).Assemblethrustbearing(20) onsleeve

g (16).

endofgovernorshaft(36)assembleweights(19)

secureweightsto gearwithpins(17)and snaprings

mblesecurityballjoint (13)with^"SAElock

rspring(35)withjV x\%ncotterpin(7).

oshaft(23) withsetscrew(21)andjam nut(22).

aft(23).Pressbearing(3)into timinggearcover,in-

lyinbearing(3) attachfinger(15)toendof shaft(23)

crews(24),andlockwashers(25). Fastenassembled

ket(30)inplace,tocylinderblockwiththree 2/6"x1"

dthree^i" SAElockwashers(10).Screwfillerplug

ket(18) andDoleA1lMaleTee(38) intomagneto


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STRUCTIONS

onremovetheoil pumpscreenandcleanthor-

lprotectthefinelyfinishedbearingsurfacesbuilt

gthat theoildeliveredtothe bearingsisnotrestricted

een.

draintheoiland removethethreecapscrews;

fthescreenand capasaunit.Be carefultoavoid

ecapor tothescreen.

ofgasolinetoremoveall dirt,water,orotherforeign

otallow oiltoflowto thepumpintakeandtheoil

re;theresultburntout bearings.

pectthe interiorofthecrankcaseandcleanout

yhavecollected.

ncapscrewssecurely.Afterrefillingcrankcase

first hourorsoof operationtoinsurethatnooil leaks,

withanon-adjustablereliefvalve.Thisvalveis

ndspressureon theoilpressuregaugewhenthe oil

oodcondition.

ngine,the pressuremaygraduallydecreasedue

einthebearings,but thepressureshouldneverbe

ndsat normalenginespeedwithoutinvestigatingthe

efollowingisa listofcauses,oneor moreofwhich

r oilpressure:

ncrankcaseandfreezingaroundthescreen

ather.

e.


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ONS

ed)


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ONS

Pump


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ONSPage27

EMBLINGOILPUMP

dyforoilpump(8).Key gear(6),foroilpump

pump(5),and assembleinoilpumpbody(8). On

mpdriveshaft(5),put thrustwasher(3)andkeygear

pin(4)foroil pumpshaftgear.Assemblegear(13)

nlettube(22)foroil pumpintocovers(14).Assemble

fiveX"* X"rd.hd.machinescrews(15),oneX"*

w(16),andsix^" SAElockwashers(17).

5)andspring(20) inplace,byscrewingnut(26)

mpassemblyto cylinderblockwithtwoynx1^"

dtwo}4" SAElockwashers(10).

mp screen(19),assembleoilpumpscreen(19)

withthree^"xH" U.S.hex.hd.capscrews(24)and

re topandbottompartsofscreen(19). (Theas-

on Page25.)

d,driveshaft shouldrevolvefreely.Todis-as-

pin (4)fromoilpumpshaft,pull offgear(11)take

er(3),thentakeoff cover(14).

intooilpumpcover(14).


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ONS


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STRUCTIONSPage29

tionexceptto seethatallconnectionsaretight,

t(3)approximatelyevery256hours ofoperation.

s,the oiliscomparativelyclean,continuetouse

or,whogivesthenecessaryattentiontotheair cleaner

tochangethiselementso often..

ement,unscrewthetopnutand removethecover

egasket(2).Lift outtheelement(3)fromcase(4) and

ountingbracket(5)fastensthe assemblytothetractor.

mentassemblyiscarriedunderNo.25789-2andis

tomobileandtrucksupplyhouses,ordirectfrom

J.


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STRUCTIONS

ON

tionsmustbeobservedwhentractorsareoperated

rtractorshouldbe treatedwiththesamecareas

tomobileortruck.Prestone,or asimilaranti-freeze

ngpoint,will besatisfactory.Alcoholoralcohol

arenottobe recommendedastheyare morelikelyto

tures.

ls asrecommendedonpage14.Inexceedingly

ortantto changeoiloftenerthaninwarmweather.

enginecrankcaseismuchgreaterduringcoldweather,

f waterispermittedtocollectitmay freezeandresult

oidany dangeralongthisline,loosenthe oilpan

actor hasbeenstandingacoupleofhours,and seeif

notnecessarytocompletelyremovethedrainplug;

oneortwothreads areholdingandanywaterin the

e oilusedinthe aircleanerissuchthati twillnot

willnotbecarriedby theairstreamtothe filtering

,it canbethinneddownbytractorfuelor kerosene.

reezingweathercondensationmayforminthe

eitmight freezeinthebottomofthe crankcaseandon

turnwouldrobthebearingsof oil.Thismightcause

this lineitis advisabletoloosentheoilpan drain

has beenstandingacoupleofhours andseeifit con-

ecessarytoremovethedrainplug;simplybackit up

dsareholdingandif crankcasecontainswateritwill

be stored,oristo remainidleforanextended

onth,drain allfuelfromfueltank,fuel linesandcar-

xidationandformationofgumwhichwill clogthe

hcarburetion.


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ONS

eaner


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STRUCTIONS

NER

astenedtotheexhaustmanifold(46)withtwo

ews(48).ThetwoH"sq.hd.pipe plugs(45)mustbe

old.Thecarburetorstuds(30)and(33)are screwed

e inletmanifold(43)withthelonger stud(30),toward

eexhaustelbow(47)forthemuffleris fastenedtothe

"x1^"U. S.hex.hd.capscrews(44).

nintotheside ofthecylinderhead.Ferrules(53)

thehead,withgaskets(55)forthe inletandexhaust

studs(49).Themanifoldassemblyis then* fastened

mps(51),whichareeachheldinplaceby two-jV1SAE

x16x1^"C.P.set screws(52)onthemanifold

oldassemblyinplace.

erassemblyarehousedintheair cleanerbody(13).

arts,placethebody(13) onitsside.Studs(40) and

ody,withthelongerstudtowardtherear oftheengine.

screen(12);thentheupperair cleanerfilterpad(9).

pad (8)isplacedintothe aircleanerbox(6).The

aner-boxplateislaidontheair cleanerbox.This

eair cleanerbody(13)withfour,>^"x28 x;Hi"fillister

headapter(24)forthe carburetorisfastenedtothe

wo$4" xIX"U.S.hex.hd. capscrews(25)andJ4"

eaircleanerclampstud(23) isscrewedintothe

.

n(3)and(4) isclippedintotheair cleanerreser-

) isputon.This assemblyisattachedtotheair

p(1),whoseslottedend fitsontheair cleanerclamp

theclamp(1)holdstheair cleanerreservoirin

htenedupontheair cleanerclampstud(23).

sfastenedto theexhaustmanifold(46)bypassing

)throughthemanifold.Theaircleaneroil trap(39)

ndtheaircleanerassemblyismade securebytwo^in


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INSTRUCTIONSPane33

SeriesTractoris simpletoadjust,andoncead-

edattentionfor longperiodsoftime.Onlythreead-

arilythemixturesupplied atthehigherspeeds

ontrolsthemixturesuppliedwhenidling,andthe

eterminestheminimumspeedoftheenginewhen

oload.

power,fueleconomy,andevennessofoperation,

becarefullymade,andonceset,shouldnotbe changed

ureconditionsindifferentfuelsareencountered.For

rade offuelshouldnotbe changedfrequently.How-

withthepropermanifoldsand twocompartmentfuel

dledduringthewarmupperiodwithoutchangeof the

orburningtractorfuelwiththe greatestefficiency.

andidlemixtureare bestmadetogether,and

ginewarm.The throttleleverontheseat mounting

ayforwardbeforestarting thisadjustment.The

ethrottlelevershouldbe adjustedsothattheengine

eventstalling.Thenturntheidling adjustingscrew4

unsevenly.Thecorrectidlingadjustmentis usually

evalvebetween1 and3turnsopen.A goodstarting

seat.

s principalinfluenceatnormaloperatingengine

be adjustedwhentheengineiswarmandworking

ve(2)inward providesaleanermixture,andturning

rmixture.

ntil theenginestartstomiss orpowerfallsoff;

peroperationis securedabout%ofaturnshouldbe

videasettingtogive maximumfueleconomywith

wer.

besuch thattheenginewillnot run,anapproxi-

asfollows:Turn themainjetvalve(2) inwarduntil

arefulnottoforcethepointagainst theseat,asso

en turnthevalveoutwardapproximately\Yiturns;

tlyclosethattheenginecan beoperateduntilfinal


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ONS

by lossofpowerandspittingthroughthe car-

heengineisacceleratedbypullinglightlyon thethrottle

atedbysluggishactionoftheengine,andby theap-

attheexhaust.Thefinalsettingshould beasleanas

factoryengineoperationandpower.

peciallydesignedforheavydutyserviceandhas

ectthemixturedeliveredtothe engine.Henceabout

turb itsfunctioningareimproperadjustmentordirt

firstdifficultycanbeavoidedbyleavingthe adjust

vebeenproperlyset.Theseconddifficultyis mini-

trainer,under themainfueltank,clean.

preventtroubledue tocloggingofthestrainer.

ularlytroublesome,asitmaynotallbe removedbefore

Occasionallyopenthedrainvalve3,Fig.1,inthe

owlsothat anywaterorforeignmatterwilldrain out.


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ONS

baleassembly(8) andattachtostrainer

ow(1)needlevalveassembly(2)and y&"sq.hd.

ead(3).

gasket(6)glassbowl(7) tostrainerhead(3) and

y().

ectedandcleanedat leastonceaweekunder

plyatneedlevalveassembly(2) loosennut

sedimentbowl(7).

eradheringtoscreen(5) andalsocleanbowl(7).

hatgasket(6) isproperlyinstalledbetweenbowl


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ONS

verbreathershould

leanedout.

ting

rancebetween

.018hot.Gauge

r.

used

e.Barrel

nderblock

YIRON

ofsame

nder

6 max.

NG.Put

beforeas-

ovewith


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ONS


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ONS

VINGENGINE

roundanddrivefrontwheelsoftractoronto these

e tractorwillthenrolleasily whensplitting.

neutralposition.

dapplyhand brake.

irestoavoidany possibilityofenginestarting.

dclutchhousing,andwaterfromradiator.

overtheengine,after removingfourrearhoodtie

headcapscrews.

ernorcontrolrodonright sideoftractorbydiscon-

and nutonoppositeend.

trolrodonupperright frontsideofradiator.

omofmagnetoleadingtoignition switch.

startingmotoronrightrear sideofcylinderblock.

neratorleadingtoammeterandremovefromclip

p.

wires.

rfromradiatorinletelbowandremovetwoclips

ead.

ft rearsideofcylinderblock.

leatthecarburetor.

omcarburetorto fuelstrainer.

aglinkatthe rearend.

mundertractor.

blocklengthwisewithtractorunderlowestpartof

k,placetwoheavyplanks(about2x8inches)

he leftofthetractorand supportthemwith

Thismethodof blockingisusedtoaidin sliding

orforwardinsplitting,andalsoto settheengine

kshaft.(Usechainandtackleifavailable.)

ransmissioncase.

apscrewsfromthetransmissionflange.

etractorforwarduntilthe 2partsareseparated

oilpanandplacea plankassuggestedinstep19.

ewsholdingclutchassemblytoflywheelandremove


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ONS


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STRUCTIONS

VINGCRANKSHAFT

emovedin themannerrecommendedonpage38,

toremovethecrankshaft,proceedasfollowstodo

omcrankshaft(15)bytakingoffjamnut (34)and

heelbolt(30).

onnectingwaterinletelbowtocylinderheadand

damaging.

seclampsandslide hosedownwardfromupper

emove8bolts holdingradiatorbrackettocylinder

adiatorassemblyawayfromtheengine.

rewsholdinggeneratortoslottedbracket.

ratorpulleybymovinggenerator.

on fanpulleyandunscrewforwardhalfofpulley

eltsfrom waterpumpbody.

ey(12)fromcrankshaft(15),bytakingout setscrew

ggearcoverfromcylinderblock,takeoffwireand

17)andfelt washer(20)fromcover.

over.

enonleftside ofoilpanbyremoving3 capscrews.

omaircleanerto preventleakage.

eonits leftsideonplankspreviouslyprovided,

ilable)

odassemblythroughthebottomoftheengine.

gcapsfrontand rearcap(36)andcentercap(37).

5).

shaft(15)besurethat allpartsarecleanandwork

sfree onpins,ringsstaggeredonpistons so

.

onsforinstallingcrankshaft.


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ONSpase41

EARINGLINERS

bleforwear.

rpressurefeed lubrication.Thefollowingspeci-

ed:

.250"2.249"

4" .010"

e.002"

edbythe centermainbearing,andcanbede-

nkshaftendwisewithabar.If anewcentermain

mustbefacedinplaceto conformwiththeabove

inatedshimsoneachside ofthebearingcap.

"laminationsof.002"shims,bearingscanbe adjusted

quirednumber ofshims.

areassembleditwill benecessarytolineream

edbyheat-treatedboltstightenedto150 ft.lb.


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ONS

nectingRodBearings

GS

ugwirestoavoidany possibilityofenginestarting.

STABLEFORWEAR.

ecoversonboth sidesoftheoil pan,theconnect

xaminedforwear.Cranktheengineslowlysothatthe

dis onthecompressionstrokeasshowninFig. 17.By

ap(3) andthebearingbolt(2) withabar(1), theex-

eterminedbyfeel.

essureindicatesthatbearings arelooseand

oilflow.

25"to.003"thickoneachsideof thebearingcap.

nt,removeasmanyshimsas neededtoprovidethe

ance.Besuretoremovethesamethicknessesfrom

caps.Ifconnectingrodsrequirerebabbitting,they

ngeforarebabbittedrod,providingoldrodis otherwise

nectingrodonthecrankshaft,notethatthenun

dbearingcaparetowardthecamshaft.

bestraight,freefromtwist,and parallelwith

grodisassembledbytwo heat-treatedboltswhich


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ONS

e

ck

holecovers

nspertaintotheconnectingrods:


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ONS

ent

ckerarmsandendsofvalvestemsshouldbe kept

pshouldbe.018"whenthe valveisfullyclosed,and

nning.A gauge.018"thick(1)Fig.18is furnished

ononeofthe longstudswhichpassesthroughthe

.

clearance,thehoodandthevalvecovermustbe

piston ofNo.1cylinder(nextto crankingend)is

compressionstroke.Inthispositiontheadjustmentof

rcanbe made.TheadjustmentofNo.3cylinder

crankedone-halfrevolutionbeforesettingadjust-

rnanotherhalf revolutionforNo.4andagain for

er is1-3-4-2.

valveclearanceorforvalvetiming,therim of

deadcenterand exhaustvalveclosingforNo.1cylin-

inspectionholeonR. H.sideofclutchhousing,and

"onflywheelis directlyinlinewithhole.This is

orfrontcylinder,aswellas No.4,therearcylinder.The

ayfrom"D"(approximately%*)indicatesthepoint

nstrokecanbe detectedbynotingtheactionof

compression,bothvalvesandpushrodsarestationary,

e,theexhaustpushrodsare holdingthevalveopen.

tseatuntil afterthepistonhasreachedupperdead

xhaustvalveispartlyopenwhenthe corresponding

enter,thiscylinderisjustcompletingtheexhauststroke,

berotatedonefull turnbeforeadjustingvalveclearance.


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ONS

mentmaybeusedasfollows:Determinetheend

ofNo.1 cylinder,asexplainedandadjustthe

ext,turnthe startingcrankuntiladistinct"click"

mpulsecoupling.Whenthe clicksounds,stopthe

justthetappetsonNo.3 cylinder.Proceedinthe

No.2.Adjustthevalvetappetson eachcylinderin

nefiringorder,thatisfirst; No.1cylinder,second:No.

derand last:No.2cylinder.

rTool402AAtoRemoveValves

EATS

eormorecylindersis oneofthechiefsourcesof

ithpoorcompressionisinefficientandshould notbe

dition.It isverysimpletotest anengineforcompres-

theengineshould berununtilit haswarmedup

ndthevalvesandotherparts properlyoiled

e.Testingofcompressionbycrankingwhenthe

ading.Ifin crankingawarmenginethereisnot a

hcylinderisonthe compressionstroke,itisprobably

eakspastthevalvesorif theenginehasbeenoperated

ybecompressionleakspastthe pistonringswhich

gsorpistonsto putingoodcondition.

removethevalvecoverand squirtkeroseneon

rarmsto removeanygummyoilaccumulationand

ytimesthevalveswillseat tightafterthisis done.

bealarmedifthey hearaslightamountof com-

evalveseats,asvalvesseldomremainabsolutelytight

re quitenoticeableduetotheexhaustpipebeing so

heengine.Generallyspeaking,ifthe tractorhasgood

hevalvesalone.Itis timeenoughtoreconditionvalve

ntobe thecauseoflackofpower.


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STRUCTIONS

tortedor pittedandwhenthisoccursmerere-

eseatandrestorethe conditionsthatarenecessary

Wherethevalveseatsaretobe reconditioned,pro-

hcanbeaccomplishedasfollows:

olingsystem,andremovethesparkplugs.

overengine.

ngcover.

eanerandcarburetor,asoneunitby removing

atareheld byfourstuds.

ldingbearingbracketsthathold rockerarm

armshaftandassemblycanbe removed.

efourabovementionednut* awireshouldbeplacedlength-

d sametogether.Thiswillfacilitatereassembly

ecylinderheadstuds. Disconnectthecap

eadthat holdwaterflange.

elifted off.

2AAshownatFig.No.19 simplifiestheremoval

ofCasetoolequipmentandcanbe obtained

eatsare highgradesteelinsertstheycannotbe

orhandgrinding,therefore,taketheheadto a

tisequippedwithhigh speedgrinderswhich

onhardenedvalveseats.

esthepush rodsareusuallytoolong andshould

theengine iscold.Usethegaugefurnished

clearance.RefertoFig.18.

derheadonengine seethatthegasketis not

e edgeandthatgasketisright sideupwith

etoppositeeachother.Tightenthe studnuts

beenrunninglongenoughto becomehot,

arefulnottooverstrainthestuds.


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ONSPage47

psmaybe adjustedforwearwithoutremovalof

vetheoilpan.Determinethebearingplayand end

bar.Thethrust,whichis takenbythecentermain

angeoneitherside,shouldhave.004"to .010"clearance.

sedon eachsideofthebearingand thicknesses

o takeupforwear.Aftertheshims havebeenad-

ewsandlockthemsecurelywithwire.

neverbeset uptight.Thebestclearanceinthe

wsroomforoil flow.

stedand properlyset,theengineshouldturn

rkplugs arenotinplace.

ktheclampingscrew,justinsidethe pistonskirt,

rewmustberaisedslightlytoallow thepintobe

,theclampingscrewanditsliplockwashermust be

rewslightlytoallowpin tobeputin. Lineupnotch

;tightenandlockscrewsecurelyby turningthelip

nstthehead ofthescrews.Alwaysusenewwashers

s.

etainedinconnectingrod,togetherwithpiston

sed

sher4used

nus .0003

anpiston.


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ONS

erBarrels.

oolingsystem,disconnectthesparkplugwires

avingremovedthemetalhoodovertheengine,take

connectthechokerod,radiatorshuttercontrol,heat

nottodamagetheelement),andfuellineat carburetor.

cleanerandcarburetorasoneunit,by takingoffthe

dthatare heldbythefourstud nuts.

canbeliftedoff afterthenutsareremovedfrom

tothetopof thecylinderhead.Pulloutthe push

crewsin thefrontendofthe cylinderheadthathold

osenthetwonutsthat holdthebottomofthe radiator

emovethenutsfromthe cylinderheadstudsand

ecovers.Byremovingtheconnectingrodbolts,

blycanbetaken outbyslidingit upwardthroughthe

ectingrodisnumberedanditis welltonotetheside

mbersappear.Replacetherods inthesameposition

.

howninFig. 20canbeorderedunderNo.395-AA

simplifiestheoperationofremovingthebarrel.

dtakeoutthe rubberring,6Fig.20 andclean

veinthecylinderblockwherethe ringfits;alsonote

l andincylinderblockshouldbeclean.

witha newoneandfitit intolowergroovein

aroundtherubberring beforeitisput inplaceand


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ANCEINSTRUCTIONSPaSe49

doutsideof lowerendofbarrel,beforeputtingit in

vewithgrease.

otewhenthe endhasenteredtherubbergasket;

acesothatthetop shoulderseatsinthecorresponding

enreplacingthe barrel,resistanceisencountered,a

etop ofthebarrelanda hammerwillserveasaneffec-

onof thebarrelis.001"to .003"higherthanthetop

nthecylinderheadis putonandtighteneddown.

omtheconnectingrodsbybackingoff thepiston

ngthepin out.Asthepinclears thefirstholein the

bearing,therodwilldrop awayfromthepiston.Push

out.

totheconnectingrods,reversingtheaboveopera-

newlockunderthe connectingrodclampscrew.Line

npinsothatthe clampingscrewwillenterthethread

ght,bend oneearoflockdownandone earup,to

gscrew.

ngclampingscrew,neverholdtheconnecting

ndstockK"or %"tightenedinavise willactasa

heassemblyovertheroundstockthroughthehole in

tedthepistonsandpistonringswith alightoil

ersintheorderandpositionin whichtheywerere-

setthe connectingrodbearingsuptight.When

ished,thebearingsshouldbefree.

htoilaroundtheedge ofeachcylinder,andcrank

utions.Thiswill insurelubricationforthefirstfew

e,theoilthrownfromtheconnectingrodswill supply

asketagainstdamageanddirtbeforereplacing.

andintighteningthe cylinderheadnuts,observethat

enlyandfirmly.Thecenternuts shouldbedrawnup

wardtheends.Tightenthebottomcornernuts on

hefrontwaterconnection.Adjustthetappetsto

rtheenginehaswarmedup,retightenthehead stud

etclearance.

ectionhasbeenputbackon, themanifoldand

dbereplacedandconnectedup.Fillthe radiatorand

ookingthroughthe handholeopeningintheside of

holecovers,washoutanyrust orwaterthatmay

hile removingbarrels,andfillthecrankcasetothe

dgradeofengineoil.Addone quartoflightoil toeach

elythefirst 96hoursofoperation.Afterthisfollow

givenonpage14.

cylinderbarrelsand pistonassembliesinstalled

onsiderationthatis giventheengineofanew tractor.

rrelsaremachinedandhoned toasfinea finishasthe

canbepurchasedtoday,therefore,treatthemin a

rtshave arunningpolish.

endoilsthatareentirely tooheavyfortheclosely

ds,pistonsand cylindersofCasetractors.Much

byusing thelightoils.


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STRUCTIONS

sremovecylinderbarrelpackingringsfrom

ackingringgroovesandinstallnewcylinderbarrel

ylinderblock,oilor greaseoutsidebottomof

Barrelscanthenbe pushedinbyhand.Topof

001"to.003"abovetop faceofcylinderblockwhen

ns,ringsand pistonpinsareputup insetsandcan

avebeen inspectedandcheckedandarereadyfor

eyIron

rt.005to .006

dtocheckpistonclearance

d

1240.1235

5

encompressedto3.875.015to.025

sedto3.875 .010to.018

mpressionring.0025to.004

gs.0015to .003

nd3rdcompressionrings.002to .0035

ointon compressionrings10>lbs.to14^lbs.

ointon oilring12lbs. min.

tonsbe surethatringsarefree inringgrooves

ps staggeredsoastonot havegapsinline.

stalling inbarrel.

anicalsealtype,andnoattentionisrequiredother

seepage15,andoccasionaladjustmentoffanbelt

esameas usedforotherpressurefittings.Lubricant

ngandto alongplainbushing;thesealing memberol

cation,andhencewaterpumpgreaseshould notbe

totheseals oftheballbearing,donot useanexcessive

twoshotsshouldbe sufficient.

sparkplugwires toavoidanypossibility

rkingonthe fanandwaterpumpassembly

s,oneofwhichisshownat 1,Fig.21andto tighten,

ulley(2)in thedirectioninwhichthefanblades turn.

enoughtotakeupanyloosenessor slack.Aproperly

depressed1" bythethumbmidwaybetweenthepul

esexcessivebeltwear,excessiveloadonthebearings,

V-beltcanberunmuchlooserthana flatbeltfor

wedgingactionof thepulleys.Afteradjustingthe

.


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ONS

SI

-

gstrap

to 1

en

n

anAssembly


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STRUCTIONS

EMBLINGWATERPUMPANDFAN

pump intopumpbody(2)thenream tosize

t(7)turnsfree.

1)whichhasits partsheldinplacewith snapring

endofthe shaft(7).Spring(18)shouldbe assembled

e impeller.Thesealspringguide(17) shouldfiton

fitsintothe pumpandthroughbearing(9),which

ng (10).Thefanhub(14) iskeyedtothisend ofthe

htheimpeller andthefan.Anut (8)holdsthefan

he adjustablehalf(22)andthedrive hubhalf(23)

generatordrivepulley (33),whichfitsoverthe

11)is fastened.(Spiderportionfacingthefront]

cap screws(12).

ewaterpumpandfanshaft bythelock(28)

crews.

semblyis driventhroughabelt(30) bythefan

nerator.


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ONS

S3


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STRUCTIONS^__

T

resto preventstartingoftheengine.

pletely.

ttomofradiatorbytakingout 2stovebolts.

n3hexagonnuts1,Fig.21 whichholdtheadjust-

onshownat2,Fig.21.

tionofbladerotationtoloosenbelt.

bytakingout2 capscrewsholdingtheassemblyto

hefanassemblybyturningthe blades.

embly.

pulleybyturningengineoverwith thehandcrank

etweenthefanbeltandthe fandrivepulley.

TORBELT

djustingnuts1,Fig. 21thattightenorl oosenfan

oppositedirectioninwhichfanblades turn.This

ankshaftdrivepulleyby turningengineoverwith

erbetweencrankshaftdrivepulleyand fanbelt.

Fig.21whichholdfanblades onfandrivepulley.

f radiator.

generatorbeltunderandin placeongeneratordrive

nsforremovinggeneratordrivebelt.

ctorareofthe18 MM.threadsize,A.C.Spark

gthshouldbe H"-Agapof.028 to.032"shouldbe

lectrodes.Ifthegapbetweentheelectrodesis too

ingor burning,thesparkmayjumpelsewhereinthe

g.Therefore,itis veryimportantthatthegapbe

s-firing,theprobablecauseiseitherfailureof the

n.First,asyou cranktheengineslowly,noticethe

eratfault.Sometimesa valvesticksopen,whichal-

omiss.I fthecompressionissatisfactory,replace

one,oronefroma livecylinder.Ifthecylinderthen

o adefectivesparkplug.Iffurtherdifficultyi sex-

esleadingtotheplugs andseethattheyare ingood

gsparkplugs,usethe specialsocketwrench


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ONSPage55

hcleansoft water(capacity63^gallons).Never

ewithouthavingthefullquantityof waterinthecool-

tances,pourcoldwaterintoahotenginein which

dtobecomeverylow.To dosomayresultin cracking

erheaddueto suddencontraction.Ifnecessaryto

d enginethathasbeendrained,addthe waterslowly

sduetosuddentemperaturechangesinthe metal.

eoftheengineiscontrollableby regulationof

tor,thus affectingthetemperatureofthecooling

heheatof theintakechargebyproperlyadjustingthe

ytheradiatorshutter andthelengthoftime it

tionwithoutcausingtheenginetooverheatis governed

re,loadandbythe directionofthewind.

ongasolineinwarmweather,theshuttershould

positionandthemanifolddamperset incoldposition.

em

ularlyin thespringafterdrainingtheanti-freeze,

begivena treatmentwithawashingsodasolutionto

imentthataccumulates.Theeasiestwayisto drain

approximately3J gallons(halffull)offreshwater.

ntofwater toaboilin aseparatecontainerandadd

odathatit willdissolve.Whilethisis stillhot,addit

mpletelyfillit. Runtheengineasusualfor 24hours,

y,andrefillwithclean water.

berecommendedtopreservetheinterior surfaces

Operation

fyourtractorwith thesamerespectasyouwould

ine,byusinga goodgradeofanti-freeze.

eoneof thehighergradesofanti-freeze,alcohol

canbe used,eventhoughitevaporatesatalower

ossofalcoholbyevaporation,thewatertemperature

e above160 F.

ecttheradiatorhoses andotherconnections,

eakproof,dueto thehighcostofsatisfactoryanti-

yEthyleneGlycolandGlycerinehadatendencyto

ufficientlytightto holdwateroralcohol.However,

merciallyavailableunderthetradename ofPrestone,

eventthisdifficulty,andnotrouble willbeexperienced

stemingoodcondition.Inaddition,Prestonecon-

tthatpreventsadditionalcorrosionofthe cooling

advisabletothoroughlycleanthecoolingsystem

alsocleaninthespring toremoveanyscalethatmight

otflushedout,by useofPrestone.

allytreatedtopreventexcessiveseepageisalso

senttimeit isnotcommonlyavailable.Thereare

ezesolutions,suchasZerex,whichdonotvaporizeat

F.


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STRUCTIONS

houldacompoundofunknowncompositionbe

manyanti-freezesolutionslocallyavailablethatmay

ngsystem.Mostoftheseare merelysolutionsof

cethan isjustifiedbythebase constituentswhich

t aconsiderablesaving.Ontheotherhand,there

ulanti-freezesolutionswhicharecomposedofsalts

sodiumchlorideormagnesiumchloride,andwhich

nycoolingsystembecauseofelectrolyticandcorrosive

Likewisenosubstancessuchaslubricatingoil, kero-

ons,sodiumsilicateorglucose,shouldbe.emploved,

costis low.Firehazard,destructionoftheradiator

onontheinteriorsurfacesof thecoolingsystemare

ectschargeabletotheuseofsuchsubstances.

mecongestedwithweeds,chafforVugsand

ng throughtheradiatorcore,therefore,itmaybe

kofthegrill occasionally.

keptcleansothatthedraft throughtheradiator

eover-heatingisapttoresult.


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ONS

or

estoavoidanypossibilityof starting.

utletdrainpipe.

ntakepipe,andfueltankcaps3, Fig.23.

tiebolts) and(2frontfillister headcapscrews),

.

olrod5,Fig.23on upperrightfrontsideand

mradiatorinletelbow.

nectinginletelbowtocylinderheadandtakeout

ng.

p screwstounfastenradiatorfrombracket,7,

clamps;rockradiatortoloosenconnection,and

upperoutlet8,Fig.23

eof tractorandturnfanbladesto clearshroud

r.

heseoperations.


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ONS

omturningbyuseofa threadedtaperedpin.If

pin,thetaperedpin1, Fig.24,mustberemoved.The

moftheknuckleshouldbetakenoffto allowthedriving

nremoved,thespindleandthethrustbearings

shingsarebadlyworn,drivethemoutof thespindle

wbushings.

ngAdjustment

thefrontendoftractorso thatallweightis off

thebearings.Afterinspectingallparts tobesurethey

kbearingswitha goodgradeofsoftgrease.

, shouldbedrawnupagainstthe flatwasher3,

ard,andthewheelrotateduntil thepressureofthe

blebindin thebearings.Thenutshouldthen bebacked

untilthebearingsrunfreely.

entisobtained,thelockwashershownat4should

ainstlocknut5.Examinetheadjustmentoffront

ydaystomakesure thatplayisnotexcessive.Pack

whenassemblingandcaremustbetakennotto get

moved.

beusedbetweenhuband dustshields.Fasten

yinplacewhenassemblingandkeepthemtightwith


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ONS

e59

tch

ugwirestoavoidany possibilityofenginestarting

,thefootpedal shouldhaveoneinchfreemove-

otin platformtobackofclutchpedal.

25must notbeincontactwithclutch

nnectionsoas toprovideabout3^"clearance

woutbearing.Whenlengthiscorrect,thefoot

outaninch beforethrowoutbearingcontacts

gpedalthepointof contactcanbereadilyfelt.

hefingersgetcloser tothrowoutbearingand

beusedup.Re-adjustlengthoffootpedal

nceisalltakenup.

perlyadjustedbeforeit wasassembledintothe

atingforweartothe extentof%inchwear

materialoftheclutchplate.Afterthe clutch

htheplateshouldbe replaced,aswhenthis

placetherivets usedforholdingfacingsto

ocontactwiththeflywheel,ononeside,and

otherside.


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STRUCTIONS

REMOVINGCLUTCH

dandanew driveplateassemblywithfacingin-

dothis,it isnecessarytosplitthe tractor.Referto

ndwires toavoidanypossibilityofenginestarting.

er isinneutralposition.

sshownat 3,Fig.26andapplythe handbrake,

groundanddrivefrontwheelsoftractoronto

dof tractorwillthenrolleasilywhile splitting.

utchhousing.

ofthetransmissioncase,orusea jackasshown

ndmuffler.

rtheengine.

rod.

sconnectgasolineatthe fuelstrainer.

tpanelfromgasolinetank,andremovetank.

randdisconnectterminals.

elineatgauge.

reat switch.

wiretostarterswitchatammeter.

tpanelbracesattransmissioncover.

lwithremainingwiresontop ofengineasshownat

celeratorrod.

bleatstarter,andremovestarteras shownat18,Fig.

ter gearwhilesplitting.

omclutchthrowoutshaftasshownat19, Fig.26.

owoutrodfromclutchthrowoutshaft.

rearend asshownat21,Fig. 27.

versfrombothsidesof clutchhousingasshownat22,

ksupport,placingitwith remainingwiresontopof

27.

erboltoneachside offlangeandreplacewithtwo

hownat24,Figs.26 and27.Thesespecialpins

ASEdealerunderNo. 139AA.Oilthesepins

hendtopreventpinsfromcomingout.These

oldengineandtransmissioncasein linewhen

capscrewsfromtransmissionflange,twoofwhich

)

etractorforewarduntilthetwo partsareseparatee

REESTANDARDHEX.HD.BOLTSs/s'

HOLESINCLUTCHBACKPLATEIN

DTIGHTENASSHOWNAT27,FIG

HFROMEXPANDING.


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ONS


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STRUCTIONS

apscrewsthat holdtheclutchtothe flywheel

ogetherwithitsdriveplate assemblycannowbere

RACTOR

ton clutchshaftwithclutchbackplatefacingretri

.

ateassemblyonclutchshaft,carebeingtakennot

bfacingrearof tractor.(See31,Fig.28).

orbackintoplace,carebeingtakentoenterend ol

pilotbearing.

urH>"bolts(2 oneithersideoftractor).Thesear

Documents

TM 5-3000 CASE DI TRACTOR 1943