TM 5-3000 CASE DI TRACTOR 1943
Transcript of TM 5-3000 CASE DI TRACTOR 1943
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NICALMANUAL
r-Tired,
d,
SP)2725
MSP)-63
MSP)-44
ONSANDPARTSCATALOG
ober1943
Publ
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1943)
nstructionsand
actor,Wheeled,
0DBHP,Rigid,Case
1088-eng-(MSP)2725
SP)-63
SP)-44
nandguidanceofall
ofWar.)
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NS
ONS
tWl088-Eng.(MSP)-2725
MSP)-63
MSP)-44
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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
,45
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ake
of
ectingRodsandPistons,Detailsof.1639
sembly
uiredtoService
f.,
e
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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.
engine,besurepressuregaugeindicatesoilis circulating.
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.
engine,besurepressuregaugeindicatesoilis circulating.
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