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8/10/2019 TM 9-1777C TD-18
1/296
8)-
DSEATS
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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-18)-
NDSEATS
he
bulateddata
s....
86C-1,January11,1943.
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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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
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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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,
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
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-HEAVYTRACTORMl(IHCTD-18)-
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.
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
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A
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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EAVYTRACTORMl (IHCTD-18)
ASSEMBLY,ANDSEATS
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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A
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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EAVYTRACTORMl (IHCTO-18)
ASSEMBLY,ANDSEATS
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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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
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
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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
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
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EAVYTRACTORMl (IHCTD-18)
ASSEMBLY,ANDSEATS
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
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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.
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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EAVYTRACTORMl (IHCTD-18)
ASSEMBLY,ANDSEATS
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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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
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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-HEAVYTRACTORMl(IHCTD-18)-
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.
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
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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).
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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-HEAVYTRACTORMl(IHCTD-18)-
EASSEMBLY,ANDSEATS
us-
on.
d.
d.
nd
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
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n
r
nd
ck
CKETS.
ely.
uses.
ayEngaged.
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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-HEAVYTRACTORMl(IHCTD-18)-
EASSEMBLY,ANDSEATS
dy
ceworngears(pars.35,
eReplacewornbearings(pars. 35,
Shift.
movegearshifterhousing
ars.Removegearshifterhousing
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
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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.
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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-HEAVYTRACTORMl(IHCTD-18)-
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.
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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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.
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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EAVYTRACTORMl (IHCTD-18)
ASSEMBLY,ANDSEATS
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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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.
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
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-HEAVYTRACTORMl(IHCTD-18)
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,
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
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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
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
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EAVYTRACTORMl (IHCTO-18)
ASSEMBLY,ANDSEATS
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
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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
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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EAVYTRACTORMl (IHCTD-18)
ASSEMBLY,ANDSEATS
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
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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.
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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-HEAVYTRACTORMl(IHCTD-18)
EASSEMBLY,ANDSEATS
G
ClutchDrivenMemberAssembly
HDRIVENMEMBERASSEMBLYFROM
CH(fig.18).
CHSHAFTANDBRAKEDISKWITHFACING
EARINGCARRIERANDSLEEVE,AND
vecotterpinfromeachof 3link
ksto sleeveandbushing.
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
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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.
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
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-HEAVYTRACTORMl(IHCTD-18)
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
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
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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
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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-HEAVYTRACTORMl(IHCTD-18)
EASSEMBLY,ANDSEATS
Y
lfromPressurePlateAssembly
ARINGFROMSLEEVEANDBUSHING(fig.
mall(2)
oprysnapringfromsleeve.
bearingcarrier inanarborpress.
plateatsidesofsleeve andbushingwith
Usearborpresson steelplatetopress
gfromsleeveand bushing.
OMSLEEVEIFTHEBUSHINGSARETO
hingsfromsleeveunlessnewbushings
thebushings,replacingsleeveandbush-
gforexcessiveplay.Toremoveoil bush-
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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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.
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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-HEAVYTRACTORMl(IHCTD-18)-
EASSEMBLY,ANDSEATS
movalfromBearingPlate
earingfromSleeveandBushing
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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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.
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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-HEAVYTRACTORMl(IHCTD-18)-
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
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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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
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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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
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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-HEAVYTRACTORMl(IHCTD-18)-
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
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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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.
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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-HEAVYTRACTORMl(IHCTD-18)-
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;
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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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
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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-HEAVYTRACTORMl(IHCTD-18)-
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.
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
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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.
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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-HEAVYTRACTORMl(IHCTD-18)-
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,
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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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).
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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-HEAVYTRACTORMl(IHCTD-18)
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.
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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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
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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EBEVELGEAR
R,TRANSMISSIONENDSCREW,CAP(ViIN.)
overRemoval
NESHAFTBEARING,REAR
ON
G
N
crewsfromRearTransmission
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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EAVYTRACTORMl (IHCTD-18)
ASSEMBLY,ANDSEATS
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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-HEAVYTRACTORMl(IHCTD-18)-
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
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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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).
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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-HEAVYTRACTORMl(IHCTD-18)-
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
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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EBEVELGEAR
R
acefromRearBevelPinion
ULLERBEARING,LEFT-HAND
evelGearBearingCageRemoval
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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EAVYTRACTORMl (IHCTD-18)
ASSEMBLY,ANDSEATS
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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EBEVELGEAR
.>
5z
o "5 S^ o tS*
* I '
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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-HEAVYTRACTORMl(IHCTD-18)-
EASSEMBLY,ANDSEATS
Removal
AR
ShaftBearingRemoval
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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EBEVELGEAR
ONT
DriveShaft BearingRemoval
NER,GEAR,REVERSEGEAR,2ND,4TH,
NESHAFT1STAND 3RD5THAND6TH
ARBEARINGSPEEDSLIDINGSPEEDSLIDING
eShaftGearRemoval
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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EBEVELGEAR
gsfromTransmissionHi-LoRange
Hi-LoRangeIdlerGear(fig.53).
rangeidlergearbearingswithhammer
ReverseIdlerGear.
,usebrasspunchandhammerto
dler gearbearings.
edGear(fig.54).
ndgearpullerOTC-938,or
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
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CE-HEAVYTRACTORMl(IHCTD-18)
MEASSEMBLY,ANDSEATS
NDSHAFT,REAR
HSPEED
om BevelPinionandShaft
ITHFORK
T
OLTRAPD43459
upportBoltLocks from
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
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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
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
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-HEAVYTRACTORMl(IHCTD-18)-
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
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
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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
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
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-HEAVYTRACTORMl(IHCTD-18)-
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
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
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EBEVELGEAR
earingRemoval
BevelGearHub(fig.60).
o drivebearingfromhub.
aringfromDriveBevelGearBear-
forceoutbearing.
ECTIONANDREPAIR.
rs,shafts,andotherpartsin SOL-
orsubassemblyshouldbeinstalled
etelyrebuiltorrepaired,unlessinspection
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
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_ u s e # p d - g
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-HEAVYTRACTORMl(IHCTD-18)-
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
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
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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).
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
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-HEAVYTRACTORMl(IHCTD-18)
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.
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
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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.
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
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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
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
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-HEAVYTRACTORMl(IHCTD-18)
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
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
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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.
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
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-HEAVYTRACTORMl(IHCTD-18)-
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
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
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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.
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
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-HEAVYTRACTORMl(IHCTD-18)-
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.
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
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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.
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
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CE-HEAVYTRACTORMl(IHCTD-18)-
MEASSEMBLY,ANDSEATS
awbaranddrawbarguide.
COVER,CLUTCHINSPECTIONCOVER
LEASELEVERS,GEARSHIFTERHOUSINGWITH
TEERINGCLUTCHOPERATINGRODS(figs.90,
ragraph56li (10),(11),(12),and
S,GROUSERBOXES,PACKCARRIER,
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
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
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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
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
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-HEAVYTRACTORMl(IHCTD-18)-
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
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
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AR
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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-HEAVYTRACTORMl(IHCTD-18)-
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
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
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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.
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
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-HEAVYTRACTORMl(IHCTD-18)-
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
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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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).
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
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-HEAVYTRACTORMl(IHCTD-18)
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
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
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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.
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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-HEAVYTRACTORMl(IHCTD-18)
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.
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
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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
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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-HEAVYTRACTORMl(IHCTD-18)-
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
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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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
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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-HEAVYTRACTORMl(IHCTD-18)-
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
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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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.
)
S,GROUSERBOXES,PACKCARRIER,
NDERSIDESHEETSASAUNIT(figs.81, 82,
ybottomsupports,followingpro-
ofTM 9-777toremovebatteries.To
usea3/4-inchopen-endwrench.Re-
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
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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
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
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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
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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EAVYTRACTORMl (IHCTD-18)
ASSEMBLY,ANDSEATS
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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-HEAVYTRACTORMl(IHCTD-18)-
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
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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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
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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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
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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BRAKES
ERINGGASKETS,GEARCOVER,STEERING
CHOPERATINGSHIFTERHOUSINGCLUTCHINSPECTION
ngwithLeversAttachedRemoval
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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-HEAVYTRACTORMl(IHCTD-18)-
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
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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-HEAVYTRACTORMl(IHCTD-18)-
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
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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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).
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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-HEAVYTRACTORMl(IHCTD-18)
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
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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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
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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-HEAVYTRACTORMl(IHCTD-18)
EASSEMBLY,ANDSEATS
RUMTRACKBAR,STEEL
748
AccesstoDrumCopScrews
orwillmoveslightlyas thedrumis
UTCH(fig.97).
peningsonoutersideofdrum and
ochainor ropeandliftout theclutch.
STEERINGCLUTCHINTHESAME
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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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
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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EAVYTRACTORMl (IHCTD-18)
ASSEMBLY,ANDSEATS
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
o o g l e
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BRAKES
ngClutch
oltsintopressureplate againsthubuntil
GRETAINERWITHPIN(fig.99).
retainerboltwrench50092Dto re-
ndlockwashers;then removepilo
Recommended