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8)-

DSEATS

M

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-18)-

NDSEATS

he

bulateddata

s....

86C-1,January11,1943.

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-HEAVYTRACTORMl(IHCTD-18)-

EASSEMBLY,ANDSEATS

mbly

ctionand

3-191

8-209

19-224

ce113-118246-249

9

6270-292

dspecial

137-138293

298-299

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nual2

heinformationandguidanceof

detailedinstructionsforinspection,dis-

,andrepairofthe powertrain,track

avyTractorMl(IHCTD-18).These

othoseinthefield andtechnicalman-

ms.Additionaldescriptivematterand

providingaworkingknowledgeof

GEMENTOFMANUAL.

ualaredevotedto introductory

ulateddata,troubleshoooting,inspec-

n, brakesfordrawnload,trackframe

erdrive,generalmaintenanceofmetal

ta,andreferences.Chapters,asrequired,

rassemblies.Fitsand tolerancesand

edinindividualsections.

manualspertainingtotheHeavy

9-1777A,ontheengine;TM

;andTM9-1777D,ontheequipment.

ur lotsofthetractorhavebeen

cesindesignand partsoccur,thecorrect

themanual.

smanualgivesall standardnomen-

andotherpublicationsforthemateriel

nual,the HeavyTractorMl

dinfour lots,designatedaslots1,2,

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EASSEMBLY,ANDSEATS

TEDDATA

tampedontheleftside ofthecrank-

ofcrankcase.Noattempthasbeen

ersconformwiththetractor serialnum-

referto TM9-1777A.

avebeenmadeinthesuccessive

herethesechangesaffecttheservicing

venin thismanualcoveringallopera-

actorarereplaceableandinterchange-

xceptions,themostimportantofwhich

ar.

nandrelatedparts.

LG-101for listofpartsinvolved

nsions,travelspeeds,trackdata,and

9-777.

iameter17in.

39

utch)2,160sqin.

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A

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EAVYTRACTORMl (IHCTD-18)

ASSEMBLY,ANDSEATS

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A

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EAVYTRACTORMl (IHCTO-18)

ASSEMBLY,ANDSEATS

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TEDDATA

qin.

throughflywheelandclutch,trans-

gclutches,andsprocketdrivegearsto

tor.

es,a highandalow.Controlis by

fterlever.It isleftofleft steeringclutch

ngetotheother,disengageengineclutch

range.Downisthelowrange;backor

sition,tractorcanbeshiftedby conven-

trangeafterdisengagingengineclutch.

alandexternalteeth.Internalteeth

rangesetting,drivingtransmissionspline

Lots2and 3),Front

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-HEAVYTRACTORMl(IHCTD-18)

EASSEMBLY.ANDSEATS

Lots2and 3),Rear

rangegearin lowrangesetting.Lineof

geartolowrangeidlers toshiftergear

earsareball-bearing,mountedtoshaft,

hisengaged.

w tohighreverse,firstto third,

viceversa,byshiftingonlyHi-Lorange

nd reversegearonthebevelpinion

arealsorunningwhenevertractoris

rearpositiontransmitspowertoreverse

transmitspowertothefirstand fourth

ntedontwo rollerbearings.

ticallywhenclutchisdisengaged,

rs.

reengaged,poweristransmitted

gingoneclutchallthe powerisapplied

tchisdisengagedandsteeringbrake

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ASSEMBLY,ANDSEATS

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TEDDATA

T

G

NGE,SLIDING

Train

pivots onitstrack.Disengagingboth

e,ordisengagingengineclutch,stops

nsofclutchesandbrakesmounted

ractortotheleft, theleftsteeringlever

engagestheleft steeringclutch,result-

mittedtotheright sprocketandcausing

elefttrackis nowrunningfree.

is applied,thelefttrackislocked,

hattrack.Toturntothe right,theright

d.

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ASSEMBLY,ANDSEATS

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TEDDATA

TION(fig.10).

andpivotedon ballandsocket

movementofthetracksand relieve

t.Thefrontstabilizertiesthe twotracks

andyetpermitsup-and-downoscillation.

hepivotshaft permitthebracesto

rriedonfivetrackrollers mounted

stransferredfrom thetrackframes

spring.Noweightiscarriedon the

rposebeingto driveandcamthe

dwithrecoilspringsmountedonthe

mittheidlerto recoilundershockbut

heninnormaloperatingposition.

mountedon bracketsoneachtrack

weenthesprocketandfrontidlers.

nthe fenders,backoftheseat,to

whentheyare notbeingusedonthe

and4differfromlot 1.Referto

packcarriersmountedbackof

ithfendersandaone-manseat,the

estandwinchcontrollevers.Lots2,3,

four-manseatsandextrawidefenders.

etwo outsideseatcushions.The

ts,grouserboxes,andwinchcontrol

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EASSEMBLY,ANDSEATS

reoutlinedinthis chaptercovers

nddrivebevelgear,steeringclutches

kets,trackidlers,trackrollers,front

reoutlinedinthis sectionshouldbe

mbledtractor,beforeanyassembliesor

dfromthevehicle.Toolsandequipment

paragraphsofthismanualtowhich

dy

clutch(par.31).

y.Replaceclutchfacings(par.28).

ly,orReplacepressureplate(pars.25,

ssureWashwithSOLVENT,dry-

Removeclutchandreplacepilot

ely.Replacereleasebearing(pars.

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Disengage.

dy

.Replacecamshaftsandcam

Replacelinksandpins(pars.25,

pWhen ClutchisDisengaged.

cebrakefacings(par.28).

Replacereturnsprings(pars.25,

Replacepilotbearing

bushings(pars.25,26,

NDBRAKES.

seFully.

t.Adjuststeeringclutchcontrols

2,53,55,and

eReplacedisksanddrum (pars,

53,55, and56).

Replacebearing(pars.52,53,

hDifficulty.

telyLubricatebearing,andifthis

ecttrouble,re-

ifterReplacewornparts(pars.52,53,

55,and56).

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EASSEMBLY,ANDSEATS

us-

on.

d.

d.

nd

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n

r

nd

ck

CKETS.

ely.

uses.

ayEngaged.

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EASSEMBLY,ANDSEATS

dy

ceworngears(pars.35,

eReplacewornbearings(pars. 35,

Shift.

movegearshifterhousing

ars.Removegearshifterhousing

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operation21

sbyechelons22

cle23

on28

TRUCTIONANDOPERATION(figs.

entertypeengineclutchisused,

488foot-pounds.Throwoutandpilot

ubricationfittingsareprovidedforeach

bricatedasoutlinedinTM 9-777.They

vely;otherwisetheefficiencyofthe

Thereleasemechanismisfurnishedwith

astershiftingoftransmissiongears.The

allywhentheclutchisdisengaged.No

sary.Pinson thereleasecarrierhave

efork toreducefrictionandwear.

NANCEDUTIESBYECHELONS.

rdsasusedin thislistofmaintenance

ws:

nizationregiments,battalions,companies,

panies.

ghtmaintenancecompanies,ordnance

ordnancedivisionalmaintenance

ops.

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EASSEMBLY,ANDSEATS

heavymaintenancecompanies,andserv-

seregiments,ordnancebases,arsenals,

ubricating,tighten-

xternalad-

sembliesand

bassemblyoras-

placingitwith

part,sub-

kingrepairsto,orr eplacementof

lythatcanbe

ydisassembling

nddoesnotre-

machining,fit-

completelyreconditioningandreplac-

bleconditionanyunserviceable

fthevehicle,in-

ining,fitting,alin-

esting.

air

CTIONINVEHICLE.

g,whichis intheflywheel,cannot

utchisinstalled.However,iftransmis-

ngine clutchleverismovedintoits for-

nthatthepilotbearingmaybe worn.If

orthwhenengineisrunning,it isalsoan

rn.

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tiondescribedinsubparagrapha

ngofbrakedisk iswornorcoatedwith

efficiency.

willnotmovewhenin gear,after

ckclutchlever(ifthesteeringbrakesare

lutchslippageandneedofclutchadjust-

utchinspectioncover(fig.11)and

wswhichholdbackplatetoflywheel

tforbrokenreturnspring(fig. 13).

re platedrag,causingthetransmission

ged.

hleverismovedtoengageor dis-

napsmoothlyovercenter.Roughnessin

shafts,camplates,orlinkageareworn.

n.

V2-in.

end,TVin.(2)

,s/s-in.

4-in.

n.(2 )

ket,3/4-in.

H,socket,IVs-in.

LSFROMBATTERY.

BODY.

htoremove4capscrewsandl ock

rolhousingandtop.

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ASSEMBLY,ANDSEATS

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g.11).

dalpadin position,usinga1Vs-inch

dalpads.

ROMENGINECLUTCHCOVER(fig.11).

RENCH,open-end,-ft-in.

toremove8capscrewsandl ock

erand3capscrewsandlockwashers

over.Alsoremove2capscrews,lock

hholdstoplightswitchin place,using

emovestoplightswitch.

CABLESHIELDFROMLEFTFENDER

chestoremove3bolts,nuts,andlock

derside sheet.Useonewrenchtohold

et.

PARKINGVALVETOCHECKVALVE)

fig.11).

todisconnectconnectoratairbrake

SHAFTGUARD.NOTE:Itisnecessary

veshaftto gainaccessto2capscrews

oleftfrontfender bracket.

RENCH,open-end,%-in.

RENCH,socket,1-in.

shers,andflat washersand2

ichholdguardtoleft sidesheet.Usea

oremovecapscrewand lock

nframeleft channel.

nchtoremovecapscrewandlock

ch.

ench,removebolt,spacer,lock

hguardto leftfrontbracket.

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EASSEMBLY,ANDSEATS

ewsSecuringEngineClutchCover

ANDLOCKWASHERSWHICHSECURE

OLEFTFRONTFENDERBRACKET(fig.12).

toremove2capscrewsand lock

t.Thenusethesamewrenchto remove

omright frontfenderbracket.

CHCOVER.

otheir extremerearpositionand

brakesin forwardposition.Liftout

andthenremoveengineclutchcover.

RINGFROMTRANSMISSIONFLANGE

en-end,y4-in.

Thenusescrewdrivertobendback

singa 3/4-inchopen-endwrench,

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07

ineClutchRingfromTransmissionFlange

hichholdclutchcouplingwasher

ange.Removecouplingwasher.

COUPLINGFROMCLUTCHSHAFTAND

HFACING(fig.13).

en-end,3/4-in.

ckswhichholdnutsin place.Using

move6nuts,locks,andboltswhichhold

dtoclutchdisk withfacing.Remove

KSHAFT(fig.14).

in.

RENCH,socket,1-in.

in.

n-endwrench,loosenthe2clutch

rswhichholdforkto clutchshaft.

removenut,lockwasherandbolt

hforkshaft,thenremoveclutchlever.

endoftheshaft.

seadriftto driveoutclutchfork

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EAVYTRACTORMl (IHCTO-18)

ASSEMBLY,ANDSEATS

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holeinleftfenderside sheet.The

ghholein rightfendersidesheet.

wayout,driveshaftthroughclutchfork

Woodruffkeyswhichengagethe

moved.NOTE:Itisnot necessaryto

ingitis removedthroughtheholein

lytoprovideaccessto thebalanceof

bushings.NOTE:Ifatracklug

haft,itwill benecessarytomovetractor

installed,1platewillhaveto be

ovetheshaft.Todo this,remove

totrack,usinga1-inchsocketwrench

nchsocketwrenchtoremovenut,

ersandplate.

BACKPLATEFROMFLYWHEEL(fig.15).

emove9capscrewsand lockwashers

l.

lfromClutchBackPlate

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ASSEMBLY,ANDSEATS

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TCH,COMPLETE(fig.16).

reefrom flywheel.Thensupport

fastrong wireattachedtothebar

wholesinclutchbackplate.Usea

utwardsothatit isfreeofpilot bear-

d,tiltingitsothat clutchshaftcanbe

eofclutchcompartment.Thecomplete

HFORKSHAFT

659M

ShaftBushingRemoval

TCHFORKSHAFTBUSHINGS(fig.17).

tbushingsunlesstheyare worn

upcornerofbushing.Thenuse a

mthe mainframe.Removethesecond

frameinasimilar manner.

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EASSEMBLY,ANDSEATS

G

ClutchDrivenMemberAssembly

HDRIVENMEMBERASSEMBLYFROM

CH(fig.18).

CHSHAFTANDBRAKEDISKWITHFACING

EARINGCARRIERANDSLEEVE,AND

vecotterpinfromeachof 3link

ksto sleeveandbushing.

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AKE(WITHOUTFACING)SLEEVEANDBUSHING

keDisk,CarrierandSleeve,

facing),bearingcarrierandsleeve,

NG(fig.20).

end,^-in.

wrench,loosen2nutswhichhold ad-

elock.

rtotapadjustingring inacounter-

movesfreely,unscrewitfrombackplate.

ROMBACKPLATE(fig.21).

GBOLTSANDRETURNSPRING(fig.21).

open-end,Vz-in.

6cotterpinsfrom6 castellatednuts

eturnspringbolts.Holdboltheadswith

singaVz-inchopen-endwrench.

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EASSEMBLY,ANDSEATS

oval

PRESSUREPLATEASSEMBLY(fig.21).

ROMPRESSUREPLATEASSEMBLY(fig.

sareto beinstalled.Toremove,use

pcamblockscrewlocksloosefrom6

6camblockson pressureplatecover.

screws.Liftoutcamblocks.

OCKFROMADJUSTINGRING(fig.20).

htoremovenutsfrom2 studs,then

AFTS(fig.21).

s-in.

meachcamshaft,usingpliersto

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pin. Removeflatwasherandconnect-

rfittings.Usea%-inchopen-end

meachcamshaft.

TCHBRAKEDISK(fig.23).

open-end,Va-in.

htoremove4capscrewsand lock

hbrakedisk(withoutfacing)tobear-

rtotapdisk frombearingcarrier.

RRIERFROMBEARINGPLATE(fig.24).

RENCH,open-end,/2-in.

nchtoremove4 capscrewsandlock

etobearingcarrier.Thenremovebear-

andbearing plate.

mbearingcarrier,usinga3/8-inch

NG

H

mshaftRemoval

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EASSEMBLY,ANDSEATS

Y

lfromPressurePlateAssembly

ARINGFROMSLEEVEANDBUSHING(fig.

mall(2)

oprysnapringfromsleeve.

bearingcarrier inanarborpress.

plateatsidesofsleeve andbushingwith

Usearborpresson steelplatetopress

gfromsleeveand bushing.

OMSLEEVEIFTHEBUSHINGSARETO

hingsfromsleeveunlessnewbushings

thebushings,replacingsleeveandbush-

gforexcessiveplay.Toremoveoil bush-

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eDiskRemoval

cutthemfreefromsleeve.Exercise

mponentsofthedisassembledengine

dry-cleaning.

INGRING.Checkforwornteethon

ING.Replaceifteethare wornorif

ng.

Replaceifsplinesarewornorif driven

EDISK(WITHFACING).Checktoseeif

so,installnewfacing.

MBLY.Examinethreadstoseethatthey

.Placeringplateona surfaceplateor

ckforexcessive"dishing."

FACING).Iffacingisrough,replace.

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EASSEMBLY,ANDSEATS

movalfromBearingPlate

earingfromSleeveandBushing

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NBRAKEDISK.Checktoseethatthe

dclean.

ectforloosefitofreleasebearingin bear-

n goodconditionfitslooselyincarrier.

eckbearingforlooserunningandfor

ceiftheseconditionsexist.

.Checkforloosemovementonclutch

aterthan0.005inch.Checkallpinholes

eoperationofcams.

llersarewornorloose.

rlooseorwornpins.Replaceifpins

reworn.

MBLY.Examinepressureplateforscore

hnessoffacing,andreplaceifthesecon-

sifworn.

MBLY.Iffacingsareworntorivets,

inepilotbearingforlooserunning,and

flywheel.Replaceiftheseconditionsare

ndrivenmemberandbrakediskfor

ktoseeifspringsare broken.

GS,INSTALLATION

en MemberAssembly.

leaning

sassembleclutchuntilthedriven

ars.25and26).

OldFacingtoDrivenMember

tingmachineasusedforgeneral auto-

gandrivets.

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EASSEMBLY,ANDSEATS

mber.

leaning

urfacesofdrivenmember;thenwash

LVENT,dry-cleaning.Ifdrivenmem-

drivenmember,withrivet holes

mber.Installnewrivets,usingariveting

inengineclutchandinstall clutch

).

gineClutchBrakeDisk.

dinsubparagraphaabove.

IVER

,Vs-in.

-in.

end,^-in.

NPRESSUREPLATEASSEMBLY(fig.22).

pressureplateandinstall6 screw-

ightenscrewswithascrewdriver.Use

wlocksoverscrews.

OPRESSUREPLATEASSEMBLY(fig.21).

open-end,V2-in.

ureplateassemblytobackplate.En-

ugsofpressureplate.Insert boltsthrough

ch6springs(small endup)andcastel-

Vz-inchopen-endwrench,untilcotter

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htenfurther.Usediagonalcutterstoinsert

s.

g.21).

open-end,%-in.

hofthe3 camshafts.Installshort

hholdconnectinglinkstocamshafts.Use

inin endofeachshortlink pin.

ttingoneachcamshaft.Use a

essureplate assemblylubrication

hfittings.Wipeoffexcesslubricant.

GPLATEINPOSITIONINBACKPLATE,

NG(fig.20).

kplateina clockwisedirection,

ebyhand.

inEngineClutchSleeve

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-HEAVYTRACTORMl(IHCTD-1S)-

EASSEMBLY,ANDSEATS

,.-inchopen-endwrenchtotighten

ingringstuds.

LEEVE(fig.26).

dwhenoldbushingshavebeenre-

rpressto press2newbushingsinto

RINGONSLEEVEANDBUSHING.

rsleeveand bushing.Positionbearing

5. Useanarborpressto pressrelease

RIER(fig.24).

RENCH,open-end,V2-in.

leasebearingandinstall snapring.

gplatewith4 capscrewsandlockwashers.

hopen-endwrench.CAUTION:The

emust beoppositelubricatorfittingon

arrier,using a3/8-inchopen-end

WITHOUTFACING)(fig.23).

dbushing andsecureittobearing

kwashers.Tightencapscrewswith a

USHINGTOCAMSHAFTS(fig.19).

achedpartsinposition overcam-

gtocamshaftsbyinsertinglonglink

andconnectinglinks.Usepliers toinstall

pins.

WITHFACING)(fig.18).

verclutchshaft;then installshaft

oassembledpartsfrom brakedisk

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EASSEMBLY,ANDSEATS

washerinplaceandinstall3 bolt

owardclutch.Holdbolt nutswitha

ightenboltheadswithanother3/4-inch

drivertolockboltlocksonthe boltheads.

itha 3/4-inchopen-endwrenchand

kson boltnuts.

ORK(fig.27).

hebearingcarrier,withthe shoul-

hecarrier.CAUTION:Whentheclutch

bepositionedwiththelubricationfitting

hecapscrewheadsfacingtherear

ORKSHAFT(fig.14).

H,open-end,7s-in.

hroughtherightsidesheethole into

Centertheshaftintotheclutchfork

tallthe2 Woodruffkeyswhichengage

BRICATIONCARRIER,BEARINGRAPD65970

tion

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shaft90degreesandslidethe shaft

endwrenchtotightenthe2clutch

rswhichholdtheforkto theclutchshaft.

positionontheendof theshaftand

chboxwrenchtoinstalland tightenbolt,

clutchleveronclutchfork shaft.

r.31).

TCHCOVERINPOSITION.

withrope intheirextremerearposi-

nforwardposition,placeengineclutch

NDLOCKWASHERSWHICHSECURETHE

OTHEFENDERBRACKETS(fig.12).

hersto leftfenderbracket.Alsoinstall

rightfenderbracket.Tightencapscrews

.

SHAFTGUARD.

have beenremovedwhenremoving

ssto2capscrewswhichholdengine clutch

allit asfollows:

RENCH,socket,1-in.

her,andnut whichholdthewinch

acket.

nchtoinstallcap screwandlock

h.

oinstall capscrewandlock

ramechannel.

shers,andflatwashersand2cap

holdguardtoleft fendersidesheet.

ha ^-inchopen-endwrench.

RKINGVALVETOCHECKVALVE)to

ig.11).

toconnectconnectortovalve.

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EASSEMBLY,ANDSEATS

DCABLESHIELDTOLEFTFENDERSIDE

chestoinstall3bolts,nuts, andlock

derside sheet.Useonewrenchtohold

NENGINECLUTCHCOVER(fig.11).

hersin engineclutchcover,tighten-

dwrench.

HTSWITCH(fig.11).

sitionandinstall2cap screws,lock

hholdswitchinplace.Tightenthe cap

dwrench.

TCHINSPECTIONCOVER(fig.11).

ment(Lots2,3, and4Tractors;

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ustment(LotITractors)

nandinstall3 capscrewsandlock

wswithaTng-inchopen-endwrench.

ig.11).

nd useaIVs-inchopen-end

holdseachpedal padinplace.

NERBODYASSEMBLY(fig.32).

inpositionon controlhousingand

kwashersandtightenthemwitha3/4-inch

stment,lubricateclutchcams,clutch

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EASSEMBLY,ANDSEATS

oclutchcouplingonearlymodels.Use

sonalgrade).

NECLUTCHFORLOTS2,3,AND4

en-end,fa-in.

ctioncover(fig.11).UseaT!'H-inch

pscrewsandlockwasherswhichhold

nposition.Removecover.NOTE:The

ldbyremovinginspectioncoverasout-

tchadjustmentismadewheninstalling

madebeforetheengineclutchcover

hlever isdisengaged.

chtoloosenthe2 adjustinglock

drops outofnotchesinclutchbackplate.

djusting ringlugstoadjust ring,

eupclutchor moveadjustingring

nadjustingclutchinthe field,adjusting

hanoneortwonotchesto compensate

beadjustedtootightly.

rmineifover-centerengagementis

gementisnotobtained,adjustingring should

nterclockwisedirection.Whenthecor-

ceadjustinglockinnotchesonadjusting

up withthesenotchesinbackplate.

tighteningthemwitha -,9(i-inchopen-

r.Installthe3 capscrewsand

nchopen-endwrench.

FORLOT1TRACTORS.

(a)above.

veris disengaged.

ofthenotchinthe adjustingring.

rmineiftheover-centerengagement

agementisnotobtained,theadjusting

otchinacounterclockwisedirection.When

eplaceadjustinglockinanotchonadjust-

i neupwitha notchinthebackplate.

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EBEVELGEAR

HICLE.

nor foraninoperativetransmis-

onoftransmissionor drivebevelgear

vebevelgearcannotbe inspectedin

at,fenders,etc.,andmainframecover,

edure(par.35).

geartroubleshootingprocedure

20.

end,^-in.(2)

d,%-in.

,1-in.

(2)

t,3/4-in.

n.

t,1^-in.

H,socket,Ijg-in.

CH,socket,1Vs-in.

ket,1y-in.

S,GROUSERBOXES,PACKCARRIER,

NDERSIDESHEETSASAUNIT.

ragraph52b(1).

OVERANDATTACHEDPARTS.

ragraph52b(2), (3),(4),(5),

OCKSUPPORTASSEMBLYWITHPINTLE

NCH,socket,1Vs-in.

herwhichholdbraceandblocksup-

mainframe(1%-in.socketwrench).

herswhichhold braceandblocksup-

IVs-in.socketwrench).Liftoffthe

ly.

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EASSEMBLY,ANDSEATS

OFFWITHLAYSHAFTATTACHEDONLOT

NOTE:Thepowertake-offisremoved

helayshaftisremovedasa separate

NCH,socket,Itfpin.

erswhichhold powertake-offto

ksupportfrommainframe.Usea

vecapscrewsandlockwashers.

wblockwithshims.

fwithlayshaftattached.Usea1^-

erequiredtolift itoff,unlessahoist

-offshaftbearingcagegasket.

BEARINGCAGE,COMPLETE,ANDPOWER

H-IN.)

NG;COMPLETESHAFT,POWERTAKE-OFFRAPD14621

BearingCage,Complete,

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EBEVELGEAR

NECLUTCHSWITCH,STOPLIGHT^pD)4J90

ndEngineClutchCoverRemoval

wsin tappedholesinpowershaft

l(,-inchopen-endwrenchuntilcageis

eand powertake-offshaftoutfrom

BODYASSEMBLY(fig.32).

asherswhichholdaircleanerbody

aircleanertop.Use a%-inchopen-end

embly.

CHCOVER(fig.32).

capscrewsandlockwasherswhich

frameand2 capscrewsandlock

itchtocover;then liftoffthecover.

CH.

ragraph25b(10) through(14).

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EASSEMBLY,ANDSEATS

G,FRONTRAPD14824

lPinionShaftFrontBearing

NER(fig.33).

remove4capscrewsand lockwash-

s.Liftofffrontretainerandremove

NSHAFTFRONTRETAINERWASHER

remove2capscrewsand lockwash-

LPINIONSHAFTBEARINGCAGE(fig.35).

NCH,socket,tVin.

intappedholesof bearingcage.

ocketwrenchuntilbearingcageis

ft.Removecageandshims.

HAFTRETAINERFROMIDLERSHAFT(fig.

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EBEVELGEAR

removethecapscrewandlockwash-

ertoidlershaft.

ONENDCOVER(fig.36).

CH,socket,fain.

andremove6cap screwsandlock

mainframe.Thenuse a-j-jj-inchsocket

kwashersfrom the4studswhichhold

wsin tappedholes(fig.37),and

enchuntilendcoverandattachedparts

neshaftand idlershaft;thenliftout

moveendcovergasket

ROMREARTRANSMISSIONSPLINE

38).

SCREW,CAPWASHER,BEVELPINION

rontRetainerWasherRemoval

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EBEVELGEAR

R,TRANSMISSIONENDSCREW,CAP(ViIN.)

overRemoval

NESHAFTBEARING,REAR

ON

G

N

crewsfromRearTransmission

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ASSEMBLY,ANDSEATS

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EASSEMBLY,ANDSEATS

GHANDLOWRANGEIDLER

RFRAME,MAIN

haft ana* AttachedGearsRemoval

in frame,towardrearoftractor.Then

ward,untilrear ofshaftisfreeof main

rangeidler gear;thenliftoutshaft

ethrustwasher.

LPINIONSHAFTBEARINGSPACERFROM

(fig.42).

aftbearingspacerfromend of

noilergearandtransmissionoilergear

withattachedpartsforwardandlift

SHAFTBEARINGCAGE(fig.43).

CH,open-end,-ft-in.

gbearingcagetomain frame.

wsin tappedholesandtightencap

rame.Tightencap screwswith

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EBEVELGEAR

R

M77

aftwithAttachedPartsRemoval

PINIONANDSHAFTBEARINGCAGE(fig.

bevelpinionandshaftbearingcage

bearingrace.Thenit isnecessaryto

hichisalwaysreplacedwheneveranew

end,^-in.

enchtoremove3 capscrewsandlock

ainframe.Removerearbevelpinion

wsin tappedholesandtightencap

dwrenchuntilcageispulledfrom main

lplateorsleeve topressbearing

Ifdrivebevel geardoesnothaveto

ansmissionis completeatthispoint.

UTCHES(par.52).

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EASSEMBLY,ANDSEATS

EVELGEARBEARINGCAGE(fig.45).

CH,socket,fain.

wsin tappedholesofleftdrive

ncapscrewswitha^-inchsocket

en removepullerscrews.

ringcagegasket.

BEVELGEARBEARINGCAGE(fig.45).

bevelgearandmain frametokeep

ght.Thenremovecagefollowingthe

above;thenremovewoodblock.

GEARSPACERFROMDRIVEBEVEL

,1-in.

oprybackdrive bevelgearboltnut

ING.REARSCREWPULLERSCREW,CAP

ONANDRACE,RETAINER,BEVELPINIONSCREW,

ARBEARINGANDSHAFTBEARING,REARCAP

earingCageRemoval

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EBEVELGEAR

R

acefromRearBevelPinion

ULLERBEARING,LEFT-HAND

evelGearBearingCageRemoval

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ASSEMBLY,ANDSEATS

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EBEVELGEAR

.>

5z

o "5 S^ o tS*

* I '

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EASSEMBLY,ANDSEATS

Removal

AR

ShaftBearingRemoval

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EBEVELGEAR

ONT

DriveShaft BearingRemoval

NER,GEAR,REVERSEGEAR,2ND,4TH,

NESHAFT1STAND 3RD5THAND6TH

ARBEARINGSPEEDSLIDINGSPEEDSLIDING

eShaftGearRemoval

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EBEVELGEAR

gsfromTransmissionHi-LoRange

Hi-LoRangeIdlerGear(fig.53).

rangeidlergearbearingswithhammer

ReverseIdlerGear.

,usebrasspunchandhammerto

dler gearbearings.

edGear(fig.54).

ndgearpullerOTC-938,or

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CE-HEAVYTRACTORMl(IHCTD-18)

MEASSEMBLY,ANDSEATS

NDSHAFT,REAR

HSPEED

om BevelPinionandShaft

ITHFORK

T

OLTRAPD43459

upportBoltLocks from

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EBEVELGEAR

pacer.

andFifthSpeedGear(fig.54).

TC-938,with

,orarbor press.RemoveWoodruff

54).

TC-938,with

ve,or arborpress.

earBearing(fig.54).

movebearing.

ER

RARM

GearShifterLeverwithHandle

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EASSEMBLY,ANDSEATS

ksfromHousing(figs.55 and56).

g-in.

d backguidesupportboltlocks.

oremove6nutsfrom capscrews

iftrail guides.

rksandremove3 poppetballs

petballsprings.

LeverwithHandle(fig.56).

3/4-in.

4-in.

removecapscrewfromshifterarm

Removal

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EBEVELGEAR

mfromHi-Logearshifter armshaft.

withshaftattachedfromthehousing.

htoloosencapscrewwhichholds

nd hammertoremoveshaftfromHi-Lo

emoveWoodruffkey.

bereplaced,usehammerandchisel

shifterlever.

figs.57and 58).

tedscrewin gearshifterbootclamp.

emoveexpansionplugwhichholds

housing.

e outswivelshaftandexpansion

g.Liftoutgearshiftleverassemblywith

instspring andpushshaftfrom

gRemoval

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EASSEMBLY,ANDSEATS

AFTBEARING

ftBearingCageRemoval

eplaced,usechiseland hammerto

r.

upper stoptolever.

rstop,spring,lowerstop,and

odriveoutexpansionplugin shifter

using brassdriftandhammer,re-

g.

altBearingCage(fig.59).

t,&-.

apring.Takeoff snapringandoil

emove4capscrewsandlockwash-

erto bearingcage.Removeretainer.

oughbearingcage.

earing(ordriveoff).

toremoveoil sealfrombearingcage

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EBEVELGEAR

earingRemoval

BevelGearHub(fig.60).

o drivebearingfromhub.

aringfromDriveBevelGearBear-

forceoutbearing.

ECTIONANDREPAIR.

rs,shafts,andotherpartsin SOL-

orsubassemblyshouldbeinstalled

etelyrebuiltorrepaired,unlessinspection

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EASSEMBLY,ANDSEATS

ngfromDriveBevelGearBearingCage

gcondition.Alldefectivepartsshould

gsfitsnuglyand thatbearingsare

ringsaretoolooseit maybeadvisable

orcracks,checking,andwear.

neshafttosee ifsplinesarenotice-

cated.Ifwearis excessive,theshaft

slightbursthatpreventgearsfromfree

hedout

ar,andchippedorbrokenteeth.

chesinshifterrails.Ballsshouldnot

necessary,replacerails,balls,andsprings.

movement;replaceifnecessary.

ouldbe installed.

acingdefectivepartswithservice-

missionanddrivebevelgear,r eferenceto

obesureparts beinginstalledarecorrect

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EBEVELGEAR

oninstallationhavebeenmadefromtime

sare notinterchangeablewithparts

rcisedinadjustingbevel gearandpinion

particulartractorvarytheadjustment

LEEVE,steel

nplug

-in.

,%-in.

socket,^-in.(2)

ket,3/4-in.

in.sq

POWERTAKE-OFFSHAFTBUSHINGIN

LSPLINESHAFTBEARINGONSHAFT(fig.

etoinstallbearing(closedsideaway

elbarandarborpress toinstallbushing,

neshaft.Usescrewdrivertoinstall

NESHAFT(fig.51).

ringretaineronshaft.

rdspeedslidinggear(27 teeth)on

ayfrombearing.

ndsixthsliding gear(33and44

bearingendof shaft.

gearwithgroovedendtowardbear-

ISSIONDRIVESHAFTBEARING(fig.49).

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EASSEMBLY,ANDSEATS

shingInstallation

driveshaftandgear,usingbrass drift

NDRIVESHAFTANDGEARINEND COVER

4-in.

socket,3/4-in.sq

eshaft bearingwithshaftassem-

ginto positionwitharawhidehammer.

ftbearingspaceron shaft.Usea

nsmissiondriveshaftbearinginto end

bearingfrontretainer withlipof

verwhenretainerisassembled(fig.63).

achretainer toendcover.Secure

ith3/4-inchsocketwrench.

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EBEVELGEAR

BearingRetainerOilSealInstallation

ft,theninstallnutlockandnut on

pluganda %-inchsquaresocketwrench.

ockinto notchesofnut.

bearinginto driveshaftgear.

DLERSHAFT(fig.52).

edsurfacetowardreverseidlergear

andcastellatednut,usinga-^g-inch

terpin withpliers.Installsothat open-

ft.Topside isdeterminedbynoting

ofshaft.Thisholeis offcentertoward

EVERSEIDLERGEAR(fig.64).

mustbereplacedwithnew ones.Place

sswithonereverseidlergear bearingin

bearing,pressitintogear.In asimilar

gear.

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EBEVELGEAR

ARSPACER(BU,fig.47).

AR(fig.65).

r

ionshaft.Use arborpressand2 steel

reversegear(40 teeth)withlonger

D,THIRD,ANDFIFTHSPEEDGEAR

ion'shaft.Use arborpressand2 steel

lgear.Largergear(43 and49teeth)

NSHAFTSPACERANDFOURTHAND

InstallWoodruffkeyin bevelpinion

arborpressandplacefourthandsixth

d6th SpeedGearInstallation

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EASSEMBLY,ANDSEATS

SHAFT

aftBearingInstallation

ededges ofgearteethtowardspacer.

ides ofgearwithathird plateacross

againstspacer.

OFFSHAFTWITHBEARINGINEND

socket,Tng-in.

ngonpowertake-offshaft,usinga

bearinginto shaft(fig.66).

barto installoilsealin powertake-

mustbetowardsmallendof bearing

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EBEVELGEAR

ithbearingthroughlargeopening

mmertoseatbearingagainst oilseal.

etand bearingretainerinbearing

tosecure4capscrewsandlockwashers.

ng,usingscrewdrivertoforceon

RLEVERONSHIFTERHOUSING(fig,

CREWDRIVER

nplug

lowerswivelhousingspring stop,

dupperswivelhousingspring stopon

ndpeenendwithhammer.

large(diameter)shaftinlever.To

ld.Levermustbe positionedwithbend

housing.

in baseofleverthroughholein

in largeshaftinlever.

endsofshaftin shifterhousing,

ugseatingtool.

ascrewdrivertosecureclamp

oint andthreadcompoundtocoat

whichcontactstheboot.

t istobe replaced.Cementballto

ound.

HIFTERLEVER(figs.55and56).

RENCH,open-end,3/4-in.

t,^-in.

4-in.

fterhousing,using steelbarand

rdoutside ofhousing.CAUTION:

ftthrough expansionplugholeopposite

terendofshaft withkeyway,nearest

on shaftinsideshifterhousing.

yinshaftandinsert roundkeyinslot.

ws,using%-inchsocketwrench.

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EASSEMBLY,ANDSEATS

hammerandwithpunchofthe

deend ofshaftandinstallWood-

shifterlever. Use%-inchopen-end

lockwasherwhichholdleverto shaft.

nsertspringsinholes;then install

properorder(fig.55),in frontand

heassembledpartsasa unitandplace

e sureendsofHi-Logearshifter arm

ideofshifterrails.

cksand6capscrewsintoguides

socketwrenchtotightencapscrews.

ocksaroundcap screwheads.

onHi-Logearshaftlever,cement-

adcompound.

DRIVEBEARINGINLEFTDRIVEBEVEL

1).

Installation"APD659s7

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EBEVELGEAR

ess withbearinginpositiononcage.

ndpressbearingintocage.Thebearing

thattheflushside ofthebearingisto

re installedinmainframe.NOTE:

installedinprocessofdrivebevelgear

ILERGEAR(fig.67).

ushing,withbushinginposition on

ressbushingintogear.

ft-in.

>-in.

/4-in.

-in.

socket,y4-in.

socket,l^-in.

n.

t,11J-in.

n

EARINGCAGE(fig.43).

n-end,3/4-in.

use 3/4-inchopen-endwrenchto

hers.

ANDSHAFTBEARINGCAGEANDOUTER

ME(fig.43).

-in.

bledincageandretainer,in main

capscrews.Driveinwithbabbittham-

(i-inchopen-endwrench.

ANDSHAFTCOMPLETE(fig.42).

rbevelpinionthrough rearopening

hammerto seatinposition.

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EASSEMBLY,ANDSEATS

hubtorear oftractor,andsleeveon

nstallfrontspacer(fig.42).

OMPLETE(fig.41).

rustwasheronshaftend, andposition

rame.

COMPLETE(fig.39).

refulthatgearsmeshproperly.Enter

hrearbearingcage.Installbearingre-

wrenchfor3capscrewsandlockwashers.

DLERBEARINGRETAINER(fig.40).

oinstall bothhalvesofretainerwith

n.Pushgear backinpositionagainst

MAINFRAME(fig.36).

cket,3/4-in.

usinggasketshellac.

frame.Usetwo/2-inchstudsas

osition.Usecaretomeshdrivegearwith

ftend inpositioninend cover;fitspline

ngthroughendcover;bevelpinionshaft

andcapscrewswithlockwashers.

nch.

aringfrontretainerwithgasket,

inendcover.Securecapscrewsandlock

nch(fig.33).

GEAR.

r followingprocedureinparagraph

CH.

ph30,omitting(1).

TCHCOVER(fig.32).

secure8capscrewsandlockwashers

omainframe,also2 capscrewsand

htswitchto cover.

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EBEVELGEAR

BODYASSEMBLY(fig.32).

htosecure4capscrewswith lock

bodyassemblytocontrolhousingand

TBEARINGCAGE,COMPLETE,AND

31).

t rearofmainframe;thenpush

dattachendcoverofpowertake-off

OFFWITHLAYSHAFTATTACHED(fig.

n.

n.

earingcagegasketoverstudsat

ower take-offwithlayshaftin

ansofa hoisttoitsnormalposition

adapteroverstudsofmain frameand

ge.Alsoentersplinedendoflayshaft

saljoint.

osecurenutsandlockwasherson

toinstall capscrewandlock

wertake-offbracketandleftcornerof

LOCKSUPPORTASSEMBLYWITHPINTLE

ti-m.

socket,1ys-in.

yandusehoistto liftassemblyinto

renchtosecure2nuts andlockwash-

upportassemblyto stayrodsatleft

ositionindrawbarguidebrackets.

ughbracketsandguides.Use a

dlewrenchtoattachandtighten2 nuts

braceandblocksupportassemblyto

oltheadswithaiJ-inchopen-endwrench.

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CE-HEAVYTRACTORMl(IHCTD-18)-

MEASSEMBLY,ANDSEATS

awbaranddrawbarguide.

COVER,CLUTCHINSPECTIONCOVER

LEASELEVERS,GEARSHIFTERHOUSINGWITH

TEERINGCLUTCHOPERATINGRODS(figs.90,

ragraph56li (10),(11),(12),and


NDERSIDE SHEETSASAUNIT(figs. 81,82,

ragraph56l>(20).

SEMBLYAND ADJUSTMENT.

pen-end,3/4-in.

pen-end,IVs-in.

socket,7/s-in.

ocket,|i-in.

LGEAR INMAINFRAME.

H,socket,7/s-in.

earingandgasketintopositionon

nnerrace andisassembledwithflush

bearingcapwithseveralcapscrews

wrench.

compartment.

ntobevelgearanddrive hubinto

mer.

rhubandattachbevelgearafter

nspacerandhubof gear.Placelocks

pscrews,usinga 1-inchboxwrench.Do

t.

to mainframewithgasketinplace

ubandbearingcagewithflush side

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EBEVELGEAR

dtap intoplace,usingababbitt

ngandbearingcagecaptoright side.

inchopen-endwrenchtoinstall6 cap

ely.Donotlock.

p,usinga7/s-inchsocketwrench

eeringclutchcouplingto thehub,using

nstall6capscrews.Thenfasten left

usinga %-inchsocketwrenchtoinstall

rs.

TWEENBEVELPINIONANDBEVELGEAR

endofbevelpinionandhubof bevel

geontractorTDR3585andup.Ontrac-

0.375-inchgagebetweenendofpinion

rhub.OntractorsTDR1659to TDR2215,

dofbevelpinionandspacer.

NGCAGEINTRANSMISSIONFRONT

llowprocedureoutlinedinparagraph

rremoveshimsbetweenbearingcage

rancehasbeenadjusted.Eachtime

hecagemust becompletelyassembled

arance.Asanextrachecktheredlead

ofdeterminingtoothbearingoftooth

erlyadjusted,thetoothbearingshould

toothofthepinion.

RIVEBEVELGEAR(fig.69).

box,1-in.

Clampstand tomainframeand

soneofthe drivebevelgearteeth.

d forthtotheextentof freeplay

eachextreme.Backlashmustbe0.014

,removeorinsertshimsbetween

9). Remove4capscrewsfromspacer

1-inchboxwrench.Removerightbearing

ncouplingenoughso spacerandbevel

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EASSEMBLY,ANDSEATS

moveshimsorinsertshims.Removing

sertingshimsincreasesbacklash.

FLECTIONSCREW(fig.70).

open-end,IVs-in.

rewandadjustdeflectionscrewusing

ve0.020-inchclearancebetweenscrew

elergagebetweenscrewandbevelgear

FTBEARINGCAGECAPSANDCOUPLINGS

LGEAR.

RENCH,socket,iJ-m-

hedrive bevelgearbearingcage

hsocketwrenchtoremovenutsfromstuds.

chtoremove6cap screwsandlock

bearingcageandmain frame.Remove

moveleftcagecap.

ndPinionClearanceCheck

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AR

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EASSEMBLY,ANDSEATS

clutchshaftcouplingfromthe drive

rewsusinga %-inchopen-endwrench;

veleftsteeringclutchcouplinginthe

ATION.

evelgearhavebeen installed,check

fficientshiftingfromone geartoanother.

detailedinspectionscanbemade.

ncethatassembly,installation,and

edinparagraphs38,39,and 40be

N

CAGE

RAP 5s099

eflectionScrewAdjustment

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BRAKES

nstructionandoperation42

ndbrakesinthevehicle43

sbyechelons,andtroubleshooting44

48

54

nt57

58

bly59

pection60

y61

on62

NDBRAKES,CONSTRUCTIONAND

hedrivebevelgear througha

ofthespring-loadedtypewith manual

nseparatecompartments,oneoneach

atrearof mainframe.Theymaybe

releasemechanismwithoutdisturbing

ketdriveassembly.

silybemadeoncontrolrods after

ofadjustmentis outlinedinparagraph

ave4 inchesfreetravelandshouldbe

rwardposition.

ompressessteeringclutchsprings

nfrictionanddrive disks,whichdisengages

gagingaspring-loadedengineclutch.

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EASSEMBLY,ANDSEATS

foreachsteeringclutch.Itspurpose

ingaftersteeringclutchhasbeendis-

dformsapivot pointforshortturns.

ing purposes.Pedalsforeachbrake

achpedalmaybe lockedinholding

reveryaccessible,contractingonsteer-

elinedafterremovingthemthrough

inframe.Nootherpart oftractorneed

RINGBRAKE,REAR

PECTIONREAR

ringBrakesintheVehicle

NGCLUTCHESANDBRAKESIN

nd57).

orWear(fig71).Remove3 cap

achmainframerearinspectioncover,

yonfourthcapscrew.Orremove4cap

movecover.Throughopenings,inspect

iningwhichisworn downtorivets

stments,outlinedinparagraph51,fail

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BRAKES

onsteeringclutches,anewlining

NANCEDUTIESBYECHELONS,

ph22.

utiesbyEchelons.

airorreplace

uild

agraph16.

NING.

leaning

AKES(par.46).

AKEBANDS(par.47).

ININGS.

leaning

tingmachinetoremoverivetswhich

and rearsteeringbrakebands;then

acesofoldlining frombands.Wash

ng.

NING.

tingmachinetorivetnewbrake

eeringbrakebands.

DS(par.49).

KES(par.50).

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EASSEMBLY,ANDSEATS

RNUT,LOCKSCREW,STEERING

ngBrakeBandSetScrew

SSEMBLY.

open-end,y-in.

,1-in.

AKEBANDADJUSTINGBOLT(fig.76).

oloosenlocknut onadjustingbolt.

bolt.Alsoremove2 flatwashers;then,

ingbrakebandadjustingpin.

AKEPIVOTLEVER(fig.77).

otterpinfromsteering brakeband

andsteeringbrakepivotlever.

MSTEERINGBRAKEBANDPIVOTLEVER

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BRAKES

RAKE

51

dAssemblyRemoval

hingsunlesstheyarewornto theextent

nlever.

shings,useahammerandpunchto

ngswhichhavebeenremovedcannot

RINGBRAKEBANDFROMFRONTSTEER-

otterpinfromsteering brakeband

S,INSPECTION.

spectliningonfront,rear, and

ningis worndowntorivets,newlining

paragraph45.

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EASSEMBLY,ANDSEATS

NDADJUSTING-""^MJlBRAPD14891

dAdjustmentBoltRemoval

d.Layfront,rear, andcentersteer-

checkforoutofround.Distortedbands

LY.

NGBRAKEBANDTOFRONTSTEERING

IVER

kebands withjointpin.Usea screw-

inpin withcenterbandcotterpinholes.

d lockcotterpin.

TEERINGBRAKEPIVOTLEVER(fig.77).

romlever,usean arborpresstopress

lever.

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BRAKES

ENTER

RONT

PIVOT

tlever,Removal

KEPIVOTLEVER(fig.77).

steeringbrakebandandinsertpivot

llcotter pinwhichlockspivotjointpin

KEBANDADJUSTINGBOLT(fig.76).

djustingpin inlever;theninsert

adjustingpin.Placereleasespringon

nchtoscrewthe boltintorearsteer-

mewrenchtosecurelocknutagainst

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EASSEMBLY,ANDSEATS

ALLATION.

open-end,s/s-in.

in.

ket,3/4-in.(2)

ASSEMBLYINMAINFRAME(figs.73and

ket,3/4-in.

rdoutsideof tractorasfaraspos-

position,and slidepivotshaftthrough

screwdrivertomovepivot shaftinto

toinstall steeringbrakepivotshaft

olds pivotshafttomainframe.

RODENDPIN(fig.73).

RETURNSPRING

EERINGBRAKE,FRONT

ation

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BRAKES

eeringbrakerod tosteeringbrake

toinstallcotter pininendpin.

G(fig.78).

in.

ame,reachthroughinspectioncover

hreturnspringtofrontsteering brake

pringanchor.

ame,usea %-inchopen-endwrench

screw.Thenusea1-inchopen-end

screw.

KES.Refertoparagraph51.

KEINSPECTIONCOVER(fig.72).

omofrearofmainframe andinstall

Tightencapscrewswitha 34-inchsocket

LY

rol,Adjustment

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EASSEMBLY,ANDSEATS

STMENT.

RENCH,open-end,1-in.

RENCH,socket,y4-in.

KEOUTERRODADJUSTINGKNOB(fig.

h andcowlassemblyorthroughopen-

djustingknob andatthesametime

byhand,until thefreetravelof2 inches

wayin,and desiredsteeringbrake

ssarytotakeupsteeringclutchbrake

hichfollows.

KEBANDS(fig.80).

RENCH,open-end,1-in.

RENCH,socket,%-in.

dadjusting knoboutasfaras

ENING,STEERINGBRAKEINSPECTIONCOVER

ME)

dAdjustment

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BRAKES

ctioncover,usinga%-inchsocket

ndlockwasherswhichholdthe cover

ring braketobeadjusted.

ropening,usea1-inchopen-end

leasespring.

nchtotightenthe steeringbrake

djustmentis attainedasinb(1) of

ctioncoveronmainframe.Usea

7capscrewsandlockwashers.

tmentoutlinedin(1) ofthispara-

rakepedal action.

NGBRAKECONTROLSINSAMEMANNER

OVAL.

)


NDERSIDESHEETSASAUNIT(figs.81, 82,

ybottomsupports,followingpro-

ofTM 9-777toremovebatteries.To

usea3/4-inchopen-endwrench.Re-

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BRAKES

sheetfrombatterycableshield by

ndnuts(fig.81). Usetwo/g-inch

idesheet frommainframecoverby

ndnuts(fig.81). Twoofthesebolts

ket.Use two-j^-inchopen-endwrenches.

enchestodisconnectrightfender

semblyby removing2bolts,lockwashers,

boltsislocatedin topofsideof front

heetand frontfenderbracketfrom

g2capscrewsandlockwashers(fig.81).

heetfrommain framerightchannel

ckwashers(fig.81). Onecapscrew

derbracket,anotherinbottomofcenter

4-inchsocketwrench.Thethirdcap

emoveitwithaiVinchopen-endwrench.

ngsfromhoseclippings;thenremove

). Turnpipeswithapipe wrench.

43642

uplingandPipeRemoval

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E-HEAVYTRACTORMl(IHCTD-18)-

EASSEMBLY,ANDSEATS

FT-HAND

FuelTankSupport

chtoremove4 capscrewsandlock

port(fig. 83).Inasimilarmanner,re-

hersfromleftfuel tanksupport.

uard(par.25b (7));thenremove

hichholdwinchlayshaftbearinghousing

-endwrenches.Removehousingand

driveshaft.

kwasherswhichhold theleftfender

ssembly.Use2open-endwrenches.One

side ofleftfrontfenderbracket(fig.84).

toremove2 capscrewsandlock

idesheetand frontfenderbracketto

s,flatwashers,andnutswhichhold

cableshield(fig. 84).UsetwoTVinch

heetfrommainframe coverasin

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ASSEMBLY,ANDSEATS

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EASSEMBLY,ANDSEATS

heetfrommain frameleftchannel

pe(extension)and fuelpipe

eandfuel pipe.Connectorsareaccessible

lassembly,atleftrearof engine.Usea

ttailandstoplamps.

rboxes,packcarrier,Dieselfuel

ga hoist.Placearopeslingunder the

ortcross memberandthroughfootrests.

VALVEBRACKETANDELECTRICBRAKE

LYWITHCONNECTINGCABLESFROMMAIN

nd87).

open-end,s/s-in.

ENCH,open-end,3/4-in.

CONTROL)

LER)

dControl

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BRAKES

bracketfrommainframecover

ndlockwasherswhichholdbracket

en-endwrench.Thenremove2con-

cutoutcocks,usinga5,a-inchopen-end

vecotterpinwhichholdslower

tricbrakecontrolbellcrankand remove

a ^-inchopen-endwrenchremove2cap

holdelectricbrakecontrollertomain

wrench,removenutwhichholdscable

ntroller)toelectricbrakeloadcontrol

dcontrolandpullcablethrough dash

dwirefillingvalvebracketwith

blescanthenbeliftedfrommainframe

onnectcables.Liftconnectedpartsand

CKET,VALVE,SCREW,TUBE,AIR(CHECK

alveRemoval

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-HEAVYTRACTORMl(IHCTD-T8)

EASSEMBLY,ANDSEATS

tsideof theengine,restingthemonthe

KINGVALVETOCHECKVALVE(fig.86)).

htoremoveairtubeconnectorsfrom

ckvalve.Removetube.

NTROLVALVE(fig.88).

open-end,Vs-in.

RENCH,open-end,ys-in.

alvetoworkingbrakevalve).Dis-

irbrakecontrolvalve.Usea%-inch

teachendofthe airtube(junction

removetube.Usea ys-inchopen-end

ARING

rReturnSpringsRemoval

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BRAKES

ERINGGASKETS,GEARCOVER,STEERING

CHOPERATINGSHIFTERHOUSINGCLUTCHINSPECTION

ngwithLeversAttachedRemoval

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EASSEMBLY,ANDSEATS

rolrod.Usediagonalcuttersto

okeat airbrakecontrolvalveandcotter

iftout therod.

nchtoremove4 capscrewsandlock

ntrolvalvetoair valvesupportbracket

UTCHRELEASELEVERSANDRETAINERS

open-end,s/s-in.

RENCH,open-end,3/4-in.

vethecotterpinfrom eachpin

nthe yokeofsteeringclutchoperating

ench,remove2capscrewsandlock

pportbracketanddoublecheckvalve

ebracketanddoublecheckvalve.

h,loosenboltwhichholdsleverstorelease

feltretainers.Removecapscrewand

ever.Remove2releaseleverretaining

kwasherswhichsecureeachretainer

chopen-endwrenchtoremove2 retainers,

HOUSINGWITHLEVERSATTACHED(fig.

ENCH,open-end,3/4-in.

washerswhichsecurehousingtomain

endwrenchtoremove6capscrews

oremove4capscrews.Removehousing

tached.Alsoremove2gasketsandgear

UTCHINSPECTIONCOVERS(fig.90).

ashersfromeachcover;thenremove

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EASSEMBLY,ANDSEATS

OVER(figs.91and92).

nd,1-in.

en-end,-1fain.

WRENCH,socket,3/4-in.

ckwasherswhichsecuremainframe

ewdrivertoremove2slottedscrews

verassemblyandodometerheadfrom

terdrivefromunderneathcover,while

htoremove4capscrewsandlock

rivetomainframecover.Removeodom-

kwasherswhichhold4 lubricators

dsfromunderneathcoverso boltswill

oved.Pushlubricatorsthroughmain

pins,ifnecessary.Placea%-inchnut

raspossible;then removenutandplace

Againattacha%-inchnutand tighten

DowelPinRemoval

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BRAKES

econdframecoverdowelpinin the

d removemainframecovergasket

gearcompartmentscoveredtokeep

ASEBEARINGGREASENUT,HEX(NOTSHOWN)

odRemoval

MMAINFRAME(fig.93).

socket,l7/s-in.

washerfromforwardendofstayrod.

ar ofmainframe.Alsoremovebracer

NOTE:Bothstayrodscanberemoved

-offisremoved.

ES(fig.93).

RENCH,open-end,Vs-in.

ngcagecapandreleasecollar.Liftout

K(fig.94).

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EASSEMBLY,ANDSEATS

ASKETBEARINGCAGE.BEARINGPIN,COTTER

val

n.Removelowercotterpin from

tpin;then removethecollarshifterlink.

owershifterlinkpinandlift outpin.Re-

aringcage,oilseal,bearing,andgasket

GBRAKEBANDJOINTPINFROMBRAKE

eeringbrakeband jointpin.Fold

RIVEBEVELGEARBEARINGCAGECAP

BEARINGCAGEANDMAINFRAME(fig.94).

ket,fi-in.

emove6capscrewsand lockwashers

ichholdcagecaptobearingcageandmain

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BRAKES

G

NGDRUMRAPD14745

utchCouplingfromBevelDriveGearHub

chto removenutsfromstuds.Prycage

GCLUTCHSHAFTCOUPLINGFROM

g. 95).

CH,open-end,.y4-in.

remove6capscrewsand3 capscrew

apscrews,itwillbe necessarytomove

15)below.Prytheclutch coupling

OMSPROCKETDRIVEPINIONSHAFT

n-end,ys-in.

semblyso itwillbeout oftheway.

asherswhich holddrumtopinion

wrench.Togainaccess toallcapscrews,

ved,placealongsteelbari noneofthe

muntil additionalcapscrewsare

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EASSEMBLY,ANDSEATS

RUMTRACKBAR,STEEL

748

AccesstoDrumCopScrews

orwillmoveslightlyas thedrumis

UTCH(fig.97).

peningsonoutersideofdrum and

ochainor ropeandliftout theclutch.

STEERINGCLUTCHINTHESAME

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BRAKES

moval

BEARINGCAGECAP.

98).

EASECOLLAR,BEARING,ANDCOLLAR

,&-in.

Iftransmissiongreaseleaksthrough

ntinmainframe,oilsealshouldbe re-

ammerandpunchto driveoilsealfrom

oveoilseal.

nchtoremove2 capscrewswhich

capto cagecap.Removebearingcap.

UTCHSPRING(fig.99).

en-end,3/4-in.

les inpressureplate.Usea%-inch

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ASSEMBLY,ANDSEATS

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BRAKES

ngClutch

oltsintopressureplate againsthubuntil

GRETAINERWITHPIN(fig.99).

retainerboltwrench50092Dto re-

ndlockwashers;then removepilo

Documents

TM 9-1777C TD-18