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-BODY,CHASSIS,ANDWINCHESFORTRACTOR
40-TONTANKTRANSPORTERTRAILERTRUCKM25
Y
RATION.
nd32).The tandemwinch
er)and arear(lower)winch
whichisfastenedto thechassisframe
assemblyconsistsofaframeto
handbrake,winchslidingclutch,
thetwowinches.Thedrivechains
andremotecontrolsfortheengine
osecuredto theframeassembly.
inchconsistsofagear case,auto-
mblies.Thegearcaseassemblyis
f ahousingandcoverinwhichthe
,inputshaftassembly,gears,and
gh,low,andreverse speedsare
othe drumshaftandrotatesin
nd endbearingframe.Theworm
onwhichissecuredthehighand low
teson ballbearingslocatedinthe
on ballbearingssecuredinthe
wspeeddrivegearssecuredto it.
eenthesegearsand isoperatedby
aftdrivesprocketis locatedon
ethegearcase.Areverseidler gear
wormshafts,and mesheswiththe
ighspeedgearonthe wormshaft.
dtothegearcasebyan idlergear
ountedina shiftercoverwhichis
ingmechanismconsistsofashift
okewhichengagesaslotin thesliding
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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Y
mblyiscontainedinahousing,
e,and consistsofabrakedrumor
d aspring-loadedbrakeband
assemblyconsistsof ashafton
head,andwormgear.A movable
rumshaft,andabrake bandison
ctionoftherearwinchis the
exceptionofthewinchhead.
ertake-offlevermeshesgears
fonthe auxiliarytransmission.
ertake-offshiftdrivesthefrontand
efrontor rearwinchgearshiftlever
urn movestheslidingclutchto
.Movementofthedrum brake
cableis paidoutbyapplyinga
hewinchsliding clutchlever
therthefrontor rearwinchwiththe
powerfromthedrivechain toeither
delno.)22Y5603
611
612
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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DY,CHASSIS,ANDWINCHESFORTRACTOR
-TONTANKTRANSPORTERTRAILERTRUCKM25
M
P u b l i c D o m a i n ,
G o o g l e - d
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r g / a c c e s s
_ u s e # p d - g
o o g l e
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Y
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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DY,CHASSIS,ANDWINCHESFORTRACTOR
-TONTANKTRANSPORTERTRAILERTRUCKM25
M
P u b l i c D o m a i n ,
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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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Y
WINCHINTO
DoubleLeverControlAs-
ubleleverwinchcontrolassembly
ndemwinchhandbrakeandclutch
woendpinsandcotter pinswhich
ofthecontrolrodsto controlshaft
yat rearofreartandemwinchbase
ts,andlockwasherswhichsecure
ngle,and liftfrontwinchdouble
e.
DoubleLeverControlAs-
demwinchhand clutch,hand
reartandemwinch)constitutethe
ontrolassembly(U,fig.31).Loosen
kecontrollever,andremovecotter
ake controlrodtocontrollever.
ontrolshaft,and pullbrakecon-
Removecotterpinand endpin
frontendofclutchcontrolrod) to
brakecontrolleverfromadjusting
olrodinsamemanner.Removefour
chsecuredoubleleverbrackettorear
dlifttwo leversandbracketfrom
mWinchHandControl
2).Removetwocotterpinsand
kes(at rearofoperatingrods)to
ovetwosetscrewson twocollars
movecotterpinfromoneendofhand
mleversandbaserearangle.Remove
rassembliesandtwocollars.
inswhichsecurerocker(AF,fig.
ingyoke,atreartandemwinch
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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-BODY,CHASSIS,ANDWINCHESFORTRACTOR
40-TONTANKTRANSPORTERTRAILERTRUCKM25
LongOperatingFootLever.
ofassembly(fig.32).Removetwo
oldlevertocontrolrodadjusting
enclampboltnut,andpulloff lever.
ever(fig.31).Thisleveris
mwinch.Loosenclampboltnut
controlshaft .RemoveWoodruff
ClutchControlRods(fig.31).
madjusting yokeandrockerlever
rod,andremovetworods.Remove
s(Cand D,fig.31)byremoving
endofeachrodand itsconnecting
hControlLeverandRod
nfrom lever.Removetwocotter
evertobracketandcontrolrod,and
tterpinandendpinwhichsecures
wertake-offwinchcontrolrod(AL,
removerod.
wproceduregiveninTM
eto layshaftchain,layshafttoreal
ttofronttandemwinchchain.
d.Removetwocotterpinsand
ontrolrod (fig.32)tocontrolshaft
ocatedbetweentwowinches).
ndPlatform(fig.32).Re-
sherswhichholdspare wheel
rbaseangle(V,fig. 31)andto
le.Removebracket,thenremove
whichsecureplatformtorear tan-
moveplatform.
(figs.32and33).Remove
whichsecureeachside ofwinchto
2).Placeachainslingaroundends
s,andattacha hoisttosling.Lift
mwinchmountingassembly,and
oiddamageto sprockets(fig.33).
fig.32).Removefourbolts,
deachsideof reartandemwinch
Placeachainslingaroundendsof
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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Y
ndemWinch
M
P u b l i c D o m a i n ,
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-BODY,CHASSIS,ANDWINCHESFORTRACTOR
40-TONTANKTRANSPORTERTRAILERTRUCKM25
UM
ndemWinchDrumandShaft
ndattachahoist tosling.Liftrear
nchmountingassembly,andlowerit
agetoleversandbrackets.
ightener.Removechain
nchrearbaseangleby removingfour
chsecurechaintightenerbracketto
haftassemblybyremovingtwo
chsecureeachoftwosingle bearings
earingsattached,fromanglesand
econdchaintightenerassembly
ockwasherswhichsecureclamps
angle(fig.41).
emblies.Drainoilfrom gear
bottomof case.Removefivecap
ecurecovertocase,andremove
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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Y
hifterRodAssembly Removed
djustingnut,andalining washer
embly,to releasetensionofbrake
ebrakebandassemblyfromcaseby
bledbrakeband)offrockerpinand
gasbrakeassemblyisremoved
removingcapscrew,lockwashers,
offdisk;then liftkeyfromendof
werhalfofgearcaseby removing
thenonenutand lockwasherfrom
ewsandlockwashersfromoutside
t.NOTE:Frontandreartan-
mbliesareremovedinsamemanner.
semblies(fig.42).Remove
ndofbrakeband assembly,and
rakeanchor.Loosensetscrewson
ortbrakeoperatinglever,and pull
ingleverattachedfrombrakeanchor
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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-TONTANKTRANSPORTERTRAILERTRUCKM25
M
P u b l i c D o m a i n ,
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Y
ollars,andliftdrumbrakeband
ontandrearwinchdrumbrake
amemanner.
mblies(figs.32and34). Re-
ckwashersand foursmallbolts,
uregearcasecovertogear case
askets.Removebearingframe
screwsandlockwasherswhich
ndremovecap.Wrapa chain
hdrum,anduseahoist toliftdrum
ingframeandgear case.Position
semblycanbeliftedstraightup
inchdrumand shaftassemblies
ftRodAssemblies(fig.35).
washerswhichsecureshieldto
ndemwinchonly).Remove
kwasherswhichsecurecoverto
ercoverandshiftrod assemblies.
nchshiftercoverandshift rod
manner.
NSPECTION,REPAIR,AND
NCHSUBASSEMBLIES
haintightenerassembly56
aintightenerassembly57
s'.58
0
blies61
ftyokeassembly63
ndcontrols64
GE.
doubleleverwinchcontrolas-
mbledandassembledin sameman-
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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E-BODY,CHASSIS,ANDWINCHESFORTRACTOR
F40-TONTANKTRANSPORTERTRAILERTRUCKM25
M
P u b l i c D o m a i n ,
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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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Y
KES(fig.37).Removetwocotter
adjustingyokes(C)totwolevers
dlocknutsfromeachcontrolrod.
MENT(fig.37).Removefourcap.
oldratchetsegmenttodoublelever
egmentsbydepressinggriplatch
AWLROD(fig.37).Removetwo
nds oflevershaft,andremovetwo
mbracket,thendriveout tworivets
d pawlrodend.Removepawlrod,
d springattached,fromlever.
manner.Removepawlrodend
shersandspring.
NTROL(GEARSHIFT)LEVER(fig.37).
rwhichsecurescenteringrodto
Removeadjustingyokeandlock
en removelocknutandadjusting
andremovetwocontrolspringsfrom
NOTE:Thefrontandrear tan-
edisassembledinthe samemanner.
air.Cleanallpartsindry-
forcrossedormashedthreads,and
withthreaddie.Inspectlevers,
aightenany bentunitsina vise.
orburs,andremoveanyburswith
7).Positionpawlrodspringwith
rod,andinstallpawlrod endonpawl
dinstallgriplatchto pawlrod
oreriveting pawlrodend,make
lrodcorrectlyfor,operatingofpawl
eandinstallsecondpawlrod inthe
Drivelevershaftintodouble
rsonthe shaft.Lockeachleverin
andcotterpin atendofshaft.
MENTS(fig.37).Depresseachgrip
gmentsinposition,securingthem
ourcapscrewsandlockwashers.
ton endsofeachcontrolrod,and
the lowerendofeachleverby
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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-BODY,CHASSIS,ANDWINCHESFORTRACTOR
40-TONTANKTRANSPORTERTRAILERTRUCKM25
romHousing
LROD(fig.37).Firstinstallcenter-
ninstallacontrolspring (W)on
pringinplacewitha flatwasher,
onrodon handcontrol(gearshift)
npinwitha flatwasherandcotter
meway.
TS(fig.39).Useasocketheadset
ontwosprocketsat eachendof
removetwosprocketsfromendsof
endsoflayshaft.
DCOLLARS(fig.38).Loosensetscrew
earingonlayshaft,and removetwo
ssembliesfromlayshaft.Remove
urningbearing inhousingsothatit
operatingpositionandparallelwith
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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Y
mbled
8).Bearingcanthenbe pulledout
dforitsremovaland installation.
CKET(fig.39).Loosensetscrewon
ocketfromlayshaft,andremove
air.Washallpartsin dry-
o bepainted,washthemwithsoda
rscoringorbreakson teeth,and
orbroken.Rotatebearing,and
g.Replacebearingif necessary.
cksorbreaks,andreplaceifsuch
bearingon layshaft,andreplace
ringisover0.002inchloose.Inspect
damagedthreads,andstraighten
ews.
DLAYSHAFTDRIVESPROCKET(figs.38
inginsamepositionaswhen
eirnormaloperatingposition.Install
earing housing.Installkeyinkey-
ssprocketontolayshaft,thenlock
screw.Slidetwosinglebearing
ockcollarnextto eachbearing,and
collar.
ARWINCHDRIVESPROCKETS.Install
frontwinchdrivesprocketonshaft.
ssprockettolayshaft.Installrear
endoflayshaftin samemanner.
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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E-BODY,CHASSIS,ANDWINCHESFORTRACTOR
F40-TONTANKTRANSPORTERTRAILERTRUCKM25
^|BAUBEARING
hChainTightener Disassembled
NDEMWINCHCHAINTIGHT-
ecapscrew,lockwasher,and
bar.Then removetightener
mendofbar. Removesixscrews
ingoilsealcoversonsprocket,and
kets.Pressbearingfromsprocket.
air.Washallpartswith dry-
urfacesaretobe painted,washthem
rocketteethfor breaksordeep
cessary.Testfit ofspaceronendof
006inchloose.Rotateballbearing,
ersandfor roughrunning.Replace
earinginsprocket,andreplaceif
ewsfor strippedthreads,and
ard oilsealfeltsandgaskets.
oilsealfeltin innerandouter
gineoil,and pressbearinginto
gasketsonsprocket,andsecure by
stallflatwasher,lock washer,and
tassemblyonbar, andtightenassem-
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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Y
ChainTightener Disassembled
DEMWINCHCHAINTIGHT-
enut,lockwasher,andflat
esetscrewonbracket,andpull
pin.Drivebearingpin frombracket.
chsecureinnerandouterbearing
overs,feltseals,andgaskets.Remove
ll bearingfromsprocket.
air.Washallpartswithdry-
gsandgaskets.Inspectmachine
eads,andstraightenthreadswith
orflator damagedrollersandfor
theseconditionsarenoted.Replace
dorchipped.Measurefit ofbearing
rsprocket,orboth,if thereisover
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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-BODY,CHASSIS,ANDWINCHESFORTRACTOR
40-TONTANKTRANSPORTERTRAILERTRUCKM25
sembled
aringwithlight engineoil,
nstallnewfelt sealsininnerand
andsecurecoversonsprockets
earingpinintobracket,andpress
llspacer,flat washer,lockwasher,
ghtenassemblysecurely.Install
SASSEMBLIES.
assembly,cleaning,inspection,
caseassembly,onboth thefrontand
as forthefront-mountedwinch
EMBLY.
ecotterpinwhichholdstight
nglevertobrakeband.Removelock
ortbrakeoperatinglever.
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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Y
air.Cleanpartsindry-
lventon lining.Inspectbrakelin-
theads,removerivetsandinstall
peratingleverandbrakeband for
sand scoreswithcrocuscloth.
tbrakeoperatinglever,and
nandcotterpin.Install setscrew
eoperatinglever.
FTASSEMBLY(fig.43).
edurefordisassembly,clean-
blyofbothfrontandrear tandem
isthe same.
ig.43).Removecapscrew,lock
msfromheadendofdrum shaft,and
s usedonfronttandemwinchonly.
enremovecapscrew,lockwasher,
shimsfromclutchendof shaft.
methrustring,andslidingclutchfrom
omslidingclutchand twokeys
ormgear attachedfromdrum.
g.43).Removewormgearfrom
,and lockwasherswhichsecuregear
and removekeysfromshaft.
peclamptodrumstuds,and pull
air.Washallpartsin dry-
haft,wormgear,andallmachined
partifscored.Measurefit ofshaft
over0.006-inchplay,pressbushings
Measurefit ofendbearingsleeve
gif thereisover0.003-inchplay.
drumthrustringsfor scoring.File
fdeeplyscored.Inspectbrakingsur-
cedrumin alatheifscored.
ORMGEAR.Placespiderkeysin
ntoshaftandkeys.Placeworm
ecurewith12bolts,lockwashers,and
NDDRUMSHAFTASSEMBLY.Install
edthroughdrumbushings.Install
ramethrustring, andbearingsleeve
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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ODY,CHASSIS,ANDWINCHESFORTRACTOR
-TONTANKTRANSPORTERTRAILERTRUCKM25
M
P u b l i c D o m a i n ,
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_ u s e # p d - g
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PIN
Y
D
1
hiftRod Disassembled
l winchheadonwormgearend
headonreartandemwinch).
nstalldrumshaft shims,retain-
crewateachendof drumshaft.
over 0.008inch.Removeoradd
Installropeclamponstuds,and
IFTRODASSEMBLIES.
drearwinchshiftercoverand
insamemanner.
NTERINGROD(fig.44).Remove
securesthetwolinksto shiftrod
ut,adjustingnut,flatwasher,and
enteringrod,andremoverodfrom
ring,fiatwasher,adjustingyoke,
om rod.
44).Removepoppetfromcover
pet,thenturn shiftercoverand
ockwirefromshift rodpin,slide
iftrod pinfromrodandyoke,work-
r.Pullshiftrodoutof shiftyokeand
er.Removerodendeyefromshift
YOKE(fig.44).Removecotterpins
tworollersin positionatendsof
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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40-TONTANKTRANSPORTERTRAILERTRUCKM25
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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Y
M
P u b l i c D o m a i n ,
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-BODY,CHASSIS,ANDWINCHESFORTRACTOR
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tsanddriverollersfromyoke.
iscardoilseal.
air.Washallpartsin dry-
rbendsandstraightenin.vise.
andinspectthreadsforstripped or
nvise,andstraightenthreadswith
nutsforstrippedthreads,and
olspringsforbreakage,bending,
d.Replacespringsifany ofthese
haftforscoring,andremovescores
llersforscoring,andreplacerollers
orcracksandscoresonits mounting
andweldtogetherallcracks.
r breakageandcoilsthatareun-
anyoftheseconditionsare found.
ANDYOKE(fig.44).Installnew
rollersintoendsofyoke,and lock
stellatednutandcotterpin.Position
ndeyeinendof shiftrod,andslide
fig.44).Slideshaft andyoketo
be driventhroughpoppetholesin
roughyokeandrod,andlockpin-
TERINGROD(fig.44).Centeryoke
l pawlspringinpoppethole,and
l.Installtwoadjustingnuts,one
eend ofcenteringrod.Thenplace
gon rod,andsliderod throughhole
controlspringand flatwasherover
stingnutandlocknut .Turnadjust-
oldcenteringrodsecurelyina cen-
wolinksto shiftrodwitharod end
rcaseassembliesforthe front
tical,exceptthattheparts areina
coverandsliding clutchonopposite
raphappliesto thefronttandem
eprocedurecanalsobefollowed
eassembly.
M
P u b l i c D o m a i n ,
G o o g l e - d
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Y
ARCASECOVERANDSPROCKET
crew,lockwasher,andretaining
ull sprocketfromshaftandremove
dlockwashers,onecotterpin,cas-
chholdgearcasecoverand sprocket
coverandgasket.NOTE:Two
artandemwinchsecurethrottle
ntingplate.
RGEAR(fig.45).Drivereverse
ofgearcase,andremovepin with
rustwashers,spacer,andreverse
Pressbearingfromidlergear.
ig.45).Driveinputshaftaway
aringat oppositeendofshaftisout
aft.Removethrustcollarfrominput
kscrewonclutchgear(right-hand),
dofshaftoutof caseandremove
evefromclutchgear(right-hand).
wonremainingclutchgear(left-
moveinputshaftfromgearcase,
of shaft.
CH(fig.45).Removethrustcollar,
rspacer,andslidingclutchfrom
omclutchgear(left-hand).
Driveworm(T)towardsprocket
ng.Pull gear(25teeth)from
m.Pullwormforwardthroughhole
teeth)isagainstinsideof caseat
bearingfrom endoftheworm,
keyfromworm.
d32).Removecontrolshaftfrom
lebylooseningclampbolt oncon-
rand keyfromshaft.Remove
swhichsecuresupportbracketto
o provideaccesstothepivotbolt,
washers,andlift casefromwinch
air.Washallpartsin dry-
aseanddirt. Ifthegearcaseis to
lution.Discardgasketsandoilseal.
coring,andreplacescoredbushings.
ars forscoring,cracks,orbreaks,
surefitofallgears onshafts,and
thergear orshaftorboth,as
M
P u b l i c D o m a i n ,
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40-TONTANKTRANSPORTERTRAILERTRUCKM25
eallbearingsandinspectfor loose
gballs.Replacebearingifnecessary.
gearrollerbearing forscoring.
rlooserunning,and replacebearing
fslidingclutch,andreplaceifover
earingon reverseidlerpin,replac-
r0.003inch loose.Ifthesprocket
aballpeenhammer.Minorcracks
ywelding,andbursand scratches
ecanbe repairedbyfilingandrub-
nstallkeyingear (33teeth)
positioningearcase.Pressball
endofworm,beingsureball bearing
de towardgearcase.Installkeyon
ther gear(25teeth)andbearing
g.43).Pressbushingandsleeve
lslidingclutch,clutchgearspacer,
dthrustcollaronend ofinputshaft.
t,thenpositioninputshaftin gear
endofinputshaftinto position,
eft-hand),andsecurescrewwith
outofcase,andinstallremaining
ockscrewongear,andsecureit
ron inputshaft,andpressball
case.NOTE:Slidingclutchmust
shwithclutchgear;ifsliding clutch
eshcorrectly.
RGEAR(fig.45).Pressbearinginto
dtwothrust washersonreverse
nintocase.
DSPROCKETSHIELD(fig.45).Cement
Positioncoverandsprocket
dshieldto casewithsevencap
ockwasher,castellatednut,and
rseidlerpin incase.Installkeyin
ocketintopositiononshaft.Install
dcapscrewoversprocketandin
ASE(figs.31and32).Installworm
ndsecureit withtwopivotbolts,
M
P u b l i c D o m a i n ,
G o o g l e - d
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Y
eandClutchShiftYokeAssembly
ntrolshaftandbracketon rearbase
withthreebolts,nuts,and lockwash-
on endofshaftandtightenclamp
NDCLUTCHSHIFTYOKEAS-
YOKE(fig.46).Removetwocotter
,andremovepin.Removecotterpin
inglink,andremovecotterpin
operatinglever.Removeyoke
TOPERATINGLEVER(fig.46).Loosen
r,andremoveleverfromend of
tscrewonclutchshort operating
d bearingframe,andbrakeanchor.
FRAME,BRAKEANCHOR,ANDLOWER
opivotbolts,nuts,andlockwashers
otwowinchbaseangles,and remove
M
P u b l i c D o m a i n ,
G o o g l e - d
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mbaseanglesbyremovingeight
moveleverbracketfromendbear-
s,nuts,and lockwashers.
air.Washallpartsin dry-
bepainted,washtheminsodaash
ksandbreakageandweld,if
sandbolts forstrippedthreads,
die.Examinejawsofclutchshift
okeifdeeply scored;removelight
ET,BRAKEANCHOR,ANDENDBEAR-
verbracketonend bearingframe,and
ockwashers.Installbrake anchor
olts, nuts,andlockwashers.Place
weenangles,andsecureframeto
and lockwashers.
TOPERATINGLEVER(fig.46).Slide
akeanchor,installshortclutchoper-
aftonthroughendbearingframe.
ndof shaft,andtightenleverset
curesclutchshortoperatinglever
YOKE(fig.46).Secureclutchoper-
glever withacotterpin,andin a
ftyoketolink.Installrod endpin
lutchshiftyoketo endbearing
ASEANGLESANDCONTROLS.
ELEVER(fig.46).Removebolt,
esleverbrackettobaseangle.
ketend ofdoublelever,andpull
romweldedbracket.Remove
ollarfromdoublelever.
ATINGSHAFTANDLEVERS(fig.46).
eratinglever onendofshaftand
ontwootherleversand onthree
shortoperatinglever,thenremove
air.Cleanallpartsindry-
lever,bracket,andcollarforfrac-
ary.Inspectlongoperatinglever,
M
P u b l i c D o m a i n ,
G o o g l e - d
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Y
ER
ame
bending;straightenbent parts,and
R(fig.46).Installtwoflatwashers
t otherend.Placebracketnext
tiononwinchbaseangle.Secure
cap screw,nut,andlockwasher
.Tightencollar setscrew.
ATINGSHAFTANDLEVERS(fig.46).
nslidecollar,brakecontrollever,
tas itisbeing installed.Tighten
tall shortoperatingleveratclutch
screw.Installlongoperatinglever
nsetscrew.
EMBLY,
ING(fig.47).Removedoublebear-
ngassemblybyremovingfourbolts,
off doublebearingassemblyand
M
P u b l i c D o m a i n ,
G o o g l e - d
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Y
W
dShaft Disassembled
air.Washallpartsin dry-
ghousingforcracksand fordamage
ngforflat spotsandroughrunning
splinesonthebearingshaftfor
amagedthreads.Minorburnsand
ftheshaft andhousingcanbe
wnwith crocuscloth.Removeoil
placewithnewseals.
48).Press oneballbearingonbear-
bearinginbearinghousing,andpress
sing.Pressremainingballbearing
obearinghousing.Installbearing
ringjustinstalled.Installanew oil
g.48). Installnewendcovergasket
ousing,andsecureeach coverto
lockwashers.
48).Installsprocketon shaft,then
gitto endofshaftwitha capscrew
MBLY.
esetscrewwithsockethead
ndrive shaft),thenremovelubri-
yeight snapringsoutoftwo center
ter crossinsucha waythatneedle
beremoved,thenremoveeightneedle
rsfromneedlecupassemblies,and
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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-BODY,CHASSIS,ANDWINCHESFORTRACTOR
40-TONTANKTRANSPORTERTRAILERTRUCKM25
veShaftUniversalJoint Disassembled
ightcorkoilsealsandeight cork
.Thedoublecenteriswelded
bled.
air.Removegreasefromall
anddrywithcompressedairor rags.
ainersas newpartsmustbeused
pectmachinedsurfacesforscoring,
eedlecupsfor breaksorchips.Light
scloth,andheavyscoresrequirethe
orneedlecupsthat arechippedor
tnewcorkoil sealsandcork
osses.Install centercrossessothat
dsplineyokestogether.Placea
nstallneedle rollersincups,then
yforceneedlecupassemblieson
in placewithretainers.Installset
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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NCH
ly.Installuniversaljointby
ke-offshaftandtighteningset screw
Rod(figs.35and36).Cement
position coveronwormgearcase
ononslidingclutch.Install eightcap
ecurecovertocase,placingshieldin
alsohold shieldtocoverareinstalled.
tercoverandshift rodsareinstalled
dShaft(figs.32 and34).
sidesofwinchdrum,andlift drum
ngframeandgear case.Position
ftassemblycanbeheldin alevel
p,securingitto bearingframewith
.Installtwonewgasketsto gear
ase.Securecoverto casewithfour
s.NOTE:Frontandrear winch
thesamemanner.
2). Positionbrakeband
heninstallbrakeoperatingshaft
ringframe,installingtwocollars
nshaft.Tighten setscrewsoncol-
ndpinthroughbrakeanchorand
endpinwitha cotterpinateach
drumbrakebandsare installed
ticBrakeCase.Position
eit withfivecapcrewsandlock
sherwhichare installedinsidebrake
washers,whichareinstalledfrom
endof worm,anddrivebrakedisk
r,lockwasher,andcapscrewto
acerockerspring inpositionin
emblyoverdiskandinto case,with
kerocker.Tapbrakebandinto
ndlocknut. Adjustbrakeasout-
lecontrollever,quadrant,and
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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-BODY,CHASSIS,ANDWINCHESFORTRACTOR
40-TONTANKTRANSPORTERTRAILERTRUCKM25
coverwithfivecapscrewsand lock
mwormgearcase,andrefillwith
drear winchautomaticbrakes
r.
htener(fig.40).Install chain
base,securingwithfourbolts,nuts,
assembly,positioningitundertwo
onbetweenbearingsandangles.
asherswhichsecureeachof two
stall secondchaintightenerassem-
ngles,withclampsinpositionover
byinstalling twobolts,nuts,and
g.32).Placechainsling
hbaseangles,lift winchintoposi-
y,andsecurewinchtomounting
nuts,andlockwashersat each
gs.32and 33).Placechain
mwinchbaseangles.Liftfronttan-
onwinchmountingassemblyinfront
ndsecurerightandleft sidesof
blybyinstallingfourbolts,nuts,and
echainsling.
dPlatform(fig.32). Place
rtandemwinchbaseanglesat right
ts, andlockwasherswhichsecure
sparewheelbracketin position
andrear tandemwinchfrontbase
and lockwashers.Twoorthree
ion.
(fig.32).Installgearcase
olshaftleversateachwinch,between
withtworod endpinsandcotter
proceduregivenin TM9-767
yshaft,chainlayshafttoreartandem
tandemwinchchain.
ControlLeverandRod(figs.
e(at lowerendofpowertake-off
tleverby meansofarodend pin
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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Y
ertobracketandcontrolrod, with
Installlockpinin lever.
ClutchControlRods
hortcontrolrods inposition.
ontrolleversbyinstallinga rod
dofeachrod. Securefrontend
odsto bottomofrockerleverswith
tall keyonleftendof engine
clutchcontrolfootleverintoposi-
olt nut.Installfronttandemwinch
ofassembly,andtightenclampbolt
ksandadjustingyokeatend of
endpinsandcotterpins.
t)Levers(figs.31 and32).
mwinchhandcontrol(gearshift)
ertolinks andadjustingyoke(at
htworod endpinsandcotterpins.
winchrearbaseangle,andaspin
twohandcontrolleversonpin.
everpin,and tightensetscrewson
pinsandcotterpinswhichhold
ngrods tooperatinglevers.
ntrol(figs.31 and32).Install
mbly,whichincludesreartandem
rsandbracket.Securedoublelever
)toreartandemwinchrearbase
ockwashers.Connectbrakecontrol
endofbrakecontrolrod)witha rod
adjustingyoke(atfrontendof
olleverin thesamemanner.
.31 and32).Positionbrake
,taplever backintopositionon
washerandcotterpin. Tighten
ntrol(figs.31 and32).Double
ludesfronttandemwinchhandbrake
ceassemblyinpositiononrear
dsecureit withfourbolts,nuts,
dendpins andcotterpinswhich
ontrolrods,to controlshaftlever
of baseangle.
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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-BODY,CHASSIS,ANDWINCHESFORTRACTOR
40-TONTANKTRANSPORTERTRAILERTRUCKM25
nchcablesonfront andrear
).
TANDEMWINCH
.
mbledtandemwinchbyoperat-
handleverswith aload,toascertain
doperationofthewinchclutches
chcontrols,linkage,andchains
0.004in.
3in.
n. 0.0025in.
02in.
n. 0.004in.
0.002in.
r shaft0.001in.0.002in.
03 in.
in.0.0035in.
n. 0.0025in.
aft0.001in. 0.0025in.
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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E
ONOFVERTICAL
RATION(fig.50).
gdeviceconsistsoftwotele-
mewhichhasa sheavemountedon
deviceiscarriedon thetractorina
eerected,asinstructedin TM
deviceisusedprincipallyfor
isona lowerplanethanthetractor,
rthan apull.It alsomakesit
o aheightwhichpreventsthecable
requipmentorfromgettingin the
cablefromeitherofthetandem
fthe device.
erandvertical(twopositions).
NSPECTION,REPAIR,AND
TINGDEVICE
o,repair,andassembly73
G,INSPECTION,REPAIR,AND
etwoanglepinswhichsecure
upport,andpulllowersidesupports
vetwopins whichsecurelowerside
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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40-TONTANKTRANSPORTERTRAILERTRUCKM25
M
P u b l i c D o m a i n ,
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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
lowersupports.Removecotterpin
me,andlift offsheaveandtwoflat
riveshacklepinfromA-frame,
t fromallparts,usingwater.
y-cleaningsolvent.Ifassemblyisto
ution.Referto TM9-850or
A-frameandsupportstosee
Inspectallpinsfor breakage.All
weldingor straighteningmustbe
veinA-frameby inserting
heave,andsecuresheavepinwith
ameinsamemanner.Install lower
ports,andsecurebyinsertingtwoangle
e supports.Inserttwopinswhich
rame.TheA-frameissecuredto the
iftingdeviceis inuse.
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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-BODY,CHASSIS,ANDWINCHESFORTRACTOR
40-TONTANKTRANSPORTERTRAILERTRUCKM25
FFIFTHWHEEL
RATION(fig.51).
semblyconsistsoftwosupport
me.Aringis securedtothesupport
aft,andanotchedbaseis securedto
erearetwojawsinthe basewhich
bly
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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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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-BODY,CHASSIS,ANDWINCHESFORTRACTOR
40-TONTANKTRANSPORTERTRAILERTRUCKM25
byaleverfor securingthetrailer
trailertothetractorallows
ntheir centrallylocatedshafts,so
ndropintothe notchinthebaseand
heleverreleasesthejawsfor dis-
ctor.
HEELINTOSUBASSEMBLIES
d52).
idedownonfloor.Removecot-
bracketcrossshaft,thendrive out
stto supportbracketandring
gfrombalanceofassembly.Remove
NSPECTION,REPAIR,AND
IES
mbly77
ANDRINGASSEMBLY.
ANDMOUNTINGBRACKETS.Remove
o supportbracketcrossshaft,re-
t.Liftthetwobracketsfromring.
air.Cleanallpartsindry-
re tobepainted,washthemin
spectfourbushings inringfor
sinbushings.Ifshaftsare over0.008
,replacebushingsbydriving outof
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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mBase
racketsforfractures,andweldor
crossshaftforscores,andreplace
NDMOUNTINGBRACKETS.Usea
ntwobrackets.Drivering tobracket
andring.Install nutandcotterpin
T(figs.53and54).Useahoist and
wnontwowoodenblocks.Remove
oldbase brackettobase.Drive
ndlift offbracket.
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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-BODY,CHASSIS,ANDWINCHESFORTRACTOR
40-TONTANKTRANSPORTERTRAILERTRUCKM25
Disassembled
movetwospringscrewswhich
positiononbaseandjaws,and remove
omeachjawpin,and drivejaw
lockhandleandliftout jaws.
ANDBLOCK(fig.54).Togainaccess
handletothelock,placewooden
Removecotterpin,castellated
o lock.Removebolt,nut,andlock
ase,andremovehandle.Remove
air.Cleanallpartsindry-
bepainted,washinsodaash solu-
scores,burs,and fractures,and
tlockspring,twojaw springs,and
kage.Makesurethatallcoils of
eitherconditionis found,usenew
rfractures,andweldif necessary.
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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shedthreads,andstraightenwith
NDHANDLE(fig.54).Installspring
oodenblocktowedgelock,with
ase.Attachlockhandletorod by
dcotterpin.Securehandleto base
kwashers.
llout handle,andplacejawsin
andinstall jawpinsfromtopside
cotterpins.Insert12bracketbolts
TS(fig.54).Liftbracketintoposition
ndlockwasherswhichsecurebracket
byinstallingtwospringsandtwo
oreachspring.Oneend ofspring
to base.
L
.
downonfloor.Insert two
fbase.Attacha chainslingandhoist
bly,andlift itontobase.Drive
ketsandbasebracket,theninstall
curewithcotterpin.
FIFTHWHEEL
(fig.51).
ndmakesure thatitopens
nleveris pulledout.Operatepick-
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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-BODY,CHASSIS,ANDWINCHESFORTRACTOR
40-TONTANKTRANSPORTERTRAILERTRUCKM2S
reeto turnonmountingbrackets.
madeonfifthwheelassembly.
o0.006 in.
o 0.008in.
o 0.005in.
M
P u b l i c D o m a i n ,
G o o g l e - d
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RBERS
o,repair,andassembly83
mbly
A.
rontsprings aresemielipticand
s securedatthefrontendby a
rearendby apintoa shackle.
G,INSPECTION,REPAIR,AND
EYE.Removetwobolts,nuts,and
frontendof springleaves.Remove
washers,andremoveeye.
LEAVES.Remove3bolts,nuts,and
ngclipsto springleaves,andremove
Remove12lowerleaves,and
endofsecondleaf.
air.Washallleaves,clips,
ingsolvent,andremoveallgrease
eakage,andreplacebrokenleaves.
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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-BODY,CHASSIS,ANDWINCHESFORTRACTOR
40-TONTANKTRANSPORTERTRAILERTRUCKM25
eplaceifbroken.Inspectboltsand
ightenwith dieortap.Examine
oken.Examineeyebushingfor
LEAVES.Insertcurvedrearendof
ondleaf,andposition2leavesover
mbledinorderof size,withshortest
bolt through14leaves,andsecure
sition2largeclipsaroundfourth
achclipwitha bolt,nut,andlock
herwithsmallclip,and install
en clip.
EYE.Placeeyeinpositionatfront
psevenleaveswithtwoeye clip
alltwobolts,nuts, andlockwashers
irdleaves.
0.015in.
0.015in.
o,repair,andassembly86
er
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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RBERS
SPRINGRETAINER
utawayViewRAn770M
A.
islocatedatthe rightandleft
eachbeingsecuredtothesideof
byadraglink assemblytothefront
nsistsofa rodsecuredtothelever
,theoppositeendbeingaspring-
rontspringbymeansofa ballstud.
asecoverand lever.Thebase
mberwhichisdividedintotwo
g.Amovingwingin thebaseis
er.Inthe stationarypartitionof
valves,andtheentirebase isfilled
leanda replenishingvalveor
pringiscompressed,themoving
theshockabsorber.Thetwoauto-
rypartitionofthebase permit
yin onedirection,buttheyclose
fluidis reversed.Thesecheck
heypermitaretardedflowoffluid.
essed,atthe instanttheleveris
ownward)causedbythespring
mpletely,stoppingtheflowoffluid
pring,duringrebound,isundercon-
sistance.Theneedlevalveregu-
berfluid fromthecompression
eeliminationofair is,bymeans
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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-BODY,CHASSIS,ANDWINCHESFORTRACTOR
40-TONTANKTRANSPORTERTRAILERTRUCKM25
hdividestheworkingchamberfrom
absorber.Replenishingvalves
gepermitthefluidin theauxiliary
chamberasrequired tokeepthe
offluid.
G,INSPECTION,REPAIR,AND
luid fromshockabsorber.
hortpieceofpiperestingon
ndpullerscrew,toavoid damage
mwingshaft.
rin vise,andloosenthreaded
punchto unscrewcover.Donot
hreethreadsengagedwithbody,
usecovertofly outwhenthreads
withramofpressresting lightly
mbody,andreleasehydraulic
orberfromhydraulicpress.
tap onedgeofbenchto
nside ofbodywithdry-
rcracksandscoremarks.Replace.
enassembling.
stallflangeoverwingshaft,
langeinplace.
idediameterof flange,and
installedwith rimdownward.
,andoilseal packingoverwing
ner,andpressdownto body,using
ofcoverwithbody,andtighten
winchshaft,usinghydraulic
erfluid,andinstallfiller plug.
sorberfluid canbemadewhen
er ithasbeenremoved.Remove
erfluidmust notbelowerthan
and shockabsorberfluidcancom-
utharm.
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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FCAB
A.
r plate,weldedtogethertopro-
tor,and drivingcontrolsofthe
ecabare ofarmorplatewith
windowsonthesides andbackof
owsonthesidesandbackof the
rehingedforopeningor closing.
hingedarmorplate.
ded
ame
FoundryCo.
58and59).Unlatchacetylene
fvehicle.Removewhiffletree
movefloodlights(TM9-767).
mainjunctionblock.CAUTION:
mjunctionblock.Removetwo
holdcab tofrontcrossmemberof
ideofradiatorshutters.
andFrontGroundStrap.
hathold radiatorshutterstocon-
ckandout oftheway.Remove
ndstrapto framefrontcross
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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-BODY,CHASSIS,ANDWINCHESFORTRACTOR
40-TONTANKTRANSPORTERTRAILERTRUCKM25
BLOCKHEAD
MMER
NCTIONBLOCK
P)
LIGHTSWITCH
EPT
NINSTRU-
BLOCK
GHT
HT(RIGHT)
GHT(LEFT)
LIGHT
GHT(RIGHT)
NCTIONBLOCK,
MOTORS
TOL,INCLUSIVE,
HTSWITCH
NCTIONBLOCK
P)
TOJUNCTION
GHT(RIGHT)
GHT(LEFT)
DOMELIGHT
HT
RADIATOR
LGHT(LEFT)
ALOFCAB74941
kWiring
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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ODY,CHASSIS, ANDWINCHESFORTRACTOR
-TONTANKTRANSPORTERTRAILER TRUCKM25
M
P u b l i c D o m a i n ,
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ACKET)
RACKET)
OTTLECLAMPS
CAB
0
Brackets
rip
M
P u b l i c D o m a i n ,
G o o g l e - d
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-BODY,CHASSIS,ANDWINCHESFORTRACTOR
40-TONTANKTRANSPORTERTRAILERTRUCKM25
r'sSeats(fig.63).Remove
hathold crewseatback,andlift
t seatcushionoffitsframe.
washersthatholdcommander's
lhouseandboltsinsidecab).
g.63).Pryrightwheelhouse
andlayalongsideengineout of
hainthroughcabatcab window,
onrightside.Repeatprocedure
chainto anotherhoist.Raisecab
n bothsidesoftractorto operate
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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mbly
DREPAIROFCAB,
HUTTERS
89
NANDREPAIR.
y-cleaningsolventtoremove
nted,washwithsodaash solution.
cabandbracketsforbreaks
necessary.Thecabbeingof armor
nforcedorpatchedwitharmorplate,
abdoors,radiatorarmor plate
dowscanbeweldedif cracked
morplateifbrokenin combat
).Toolboxesand enginecom-
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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-BODY,CHASSIS,ANDWINCHESFORTRACTOR
40-TONTANKTRANSPORTERTRAILERTRUCKM25
andcan bestraightenedifbent,
ats.Usetwohoists andattach
nstallcabonchassis.Installright
an;theninstallcommander'sseat,
d lockwashers.Installcrewseat
wseatback,right andleft,and
ckwashers.
FillerStrip,andAngleIron.
dfastenwithfourbolts, nuts,and
filler strips,rightandleft,and
ashers(fig.62). Installcabright
n(fig.61),andfastenwith bolts,
t,nut,andlockwasherat rear
nstallscrewthatholds rightwheel-
bolts,nuts,and lockwashersat
g.60); theninstallfivebolts,nuts,
rightwheelhouse.Installonebolt,
erofrightwheelhousestrap.
hutters.Fastenfrontground
controlsbyinstallingclevisand
fig.58)at mainjunctionblock;
cotterpinsthatholdfrontof cabto
etree,andweldingtanks(TM
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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EMANDACCESSORIES
FELECTRICLIGHTING
A.
htingsystemconsistsofthe
ktractorfordrivingoperationand
signalingpurposes.Theelectric
esusedforcontrollingthelights,the
hewiring.Allelectricunits-are
riesandare controlledbyswitches
eunit(TM9-767).Thewiring
sedis shownonthewiringdiagram
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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DY,CHASSIS,ANDWINCHESFORTRACTOR
-TONTANKTRANSPORTERTRAILERTRUCKM25
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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EMANDACCESSORIES
DSPOTLIGHT
ch96
otlightconsistsofa spotlight
haft whichextendsthroughtheroof
ntheinsideof thecab.Thespot-
ingunit securedtoanarm,bothof
hecab.Ashaftconnectedtothearm
oofof thecab,andonthelower
a handlecontainingaswitch.
directsthespotlightin any
controlstheoperationofthe light.
er,it isremovedandattachedtoa
7).
MSHAFT.Removesetscrewthat
ecapandrubber andsteelwashers
wandsetscrewwhichholdssleeve
fhousingoffshaft.
7).Removeclampscrewthatholds
dremovebearing.Pullarmshaft
liftwasheroffhousing.
air.Cleanallpartsindry-
ftandsleeveforbendsor fractures,
pectbearingassemblyforeasy
eplaceassemblyifoperationisdiffi-
thousingandcapfor fractures,and
encrossedormashedthreadswith
DBEARING.Installwasheronarm
seofgear. Insertshaftthroughlarge
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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-BODY,CHASSIS,ANDWINCHESFORTRACTOR
40-TONTANKTRANSPORTERTRAILERTRUCKM25
isassembled
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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EMANDACCESSORIES
823
sassembled
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-BODY,CHASSIS,ANDWINCHESFORTRACTOR
F40-TONTANKTRANSPORTERTRAILERTRUCKM25
Disassembled
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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EMANDACCESSORIES
assemblyinto housing,meshing
earson shaftassembly.Installclamp
andinstallcap.Fastencapwithset
leeveovershaftandintohousing.
nearendofkeyway.Thisendof
housing.Installsetscrewandclamp
drubberwasherover sleeve.
8).
untingshaftandclampfromhandle;
rews,andslide mountingclampwith
oothedwasherspring,andballfrom
p.Removewingnutfromclamp
werside.Removeswitchnutsand
r.
ERATINGHANDLEBODY.Remove
eratinghandlebytakingouttwo
ntilterminalscrewonswitchbase is
rdfromswitchbase,andpullcord
Removeknobandbracketfrom
wingknobbracket;thenunscrewnut
screwknob.Removelockwashers,
fromshaft.Holdbodyof handle
springwasherfallout,thentakeout
aringassembly,andremovearm
pullingsleeveoffshaft.
air.Cleanallpartswithdry-
mpressedair.Inspectthreadsfor
hreaddie ortap.Examineteeth
or breakageorchipping,anduse
hipped.Inspectcordforbreakage,
tchforbreaksandcorrosion,replace
R.Placespringwasheronhubof
ebodyupsidedown,placebeveled
hubsideofgeardown.
ACKET.Insertbeveledgearandshaft
nd.Installfeltwasherovershaft
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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-BODY,CHASSIS,ANDWINCHESFORTRACTOR
40-TONTANKTRANSPORTERTRAILERTRUCKM25
Disassembled
ut ontoshaft.Screwnutdown
ndplaysothatgearwill turnfreely
ckwasherandcupWasher onshaft
h,screwknobdownonshaft. Bracket
verylittleendplay.
NDSWITCH.Installlockingpinand
Screwknobbracketintobody.
y,andconnectcordterminaltotoggle
Pullcorddownandbring switch
ungerincenter.Positionslot in
deon whichcordisinstalled;then
tchthroughcenterhole.Fasten
ndinstalltwo coverscrews.Place
dlebodywithtwoscrews.
SHAFT.Insertshaftthroughlarge
ampingscrewsidedown,anddrop
holeintop side.Installscrewwith
keepingshaftpushedallthe wayin,
ntoslot inshaft
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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EMANDACCESSORIES
mbly CoverRemoved
HTREEL.
ecenterscrewandstarwasher,
Allowreelto unwind,andremove
pening.
air.Inspecttwocontactraces
anwithfinesandpaperuntilcontact
matter.Inspectcontact,pointsontop
paper2/0.I nspectpositiveand
onnectionsareloose,tightenand
orworninsulation,and replace
onreel, beingcarefulnotto
enwindreelaboutfiveturns toput
lowercovertogetherwithspring
mblyuntilspring stopfallsinto
similartothatof anordinary
grommetoverwiringandinposi-
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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EMANDACCESSORIES
tall bolt,nut,andlockwasherthat
ringand triggerinhandle,and
wandlockwasher.Installlight
rewand lockwasher.Installground
fastenwith screwsandlockwashers.
nwithtwo screws.
s98
o,repair,andassembly
htconsistsof abase,body,
mbly,andtwovents.Thebaseis
yandisthe meansofmountingthe
iscontainedin thesirenbody,and
isahousing,whichcontainsthesiren
e endofthesirenmotor armature.
nhousingisthesiren lightassembly
hesiren lightassemblycontainsa
rehoused inthelightbody
ionofthesirenlight orsiren
herunitsecuredto theinstrument
hingoperationofthelight.Thesiren
eswitch,whichcompletesanelectric
dwheelto revolve.
BASSEMBLIES(fig.72).
oveanddisassemblelight
outtwocapscrewsthathold
se assembly.
mbly.Pushcordinward,and
yfromsirenbody.
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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DY,CHASSIS,ANDWINCHESFORTRACTOR
-TONTANKTRANSPORTERTRAILERTRUCKM25
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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EMANDACCESSORIES
osentwosocketheadsetscrews
matureshaft,andtakeoffwheel.
enhousingto motorbodyflange,
G,INSPECTION,REPAIR,AND
IES.
esetscrewthatholdssocketin
ugin endofsleeve.Pullgrommet
hwire inwardandalltheway.
efromsocket.
movetwobrushcovers.Liftout
ndplatebytakingouttwo attaching
iftingoff.Removearmaturefrom
m rearend.Pullplateoffarmature
groundterminaltofield housing.
ushholders.Pressout fieldcoiland
ng.Drivebearingout fromoutside
toothedwashersfromrear end
djustingscrew.This pushes
sting screwbase.
air.Cleanallpartsindry-
mpressedair.Inspectwiringfor
eplaceifnecessary.Testarmature
ectricalconnectionsforcorrosion,
stfieldcoilsfor shortswithtest
,andusenewbearingif scored.
LECTORBASE.Threadwireinto
d upthroughholeinreflector.Tie
olderwiretolug atbottomofsocket.
ector,keepingwirepulled taut.
tenwithset screwthroughreflector
ofsleeve.
NDBASEASSEMBLY.Placegasket
onnectgroundwireto reflector
andnut.Threadleadwire through
rominside.Install assemblyinplace
anddooronfront oflightbody.
chingscrewholesmatch.Install
RASSEMBLY(fig.74).Placeassemb-
using,withtwoshortterminalsto
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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-BODY,CHASSIS,ANDWINCHESFORTRACTOR
40-TONTANKTRANSPORTERTRAILERTRUCKM25
ssembled
.Solderterminalstobrush holders.
singwith bolt,lockwasher,andnut
fieldhousing.
.74).Installbearinginrecessin
llershaftopeninggoes intorear
ftissmalleratcommutatorend
dplateonfield housing;withtwo
crewendplayadjustingscrew.
ssembled
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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EMANDACCESSORIES
sfromfrontend, commutatorend
intorearendplate.Install bearing
plate.
ATE(fig.74).Installfrontendplate
ostuds.Fastenplatedownwith
justendplayof armature.With
screwloose,taparmatureshaftat
ndgetallendplay atrearend.
74).Adjustadjustingsockethead
withminimumendplay.Tightenlock
infieldhousing.Installbrush covers
sing)onMotor(fig.74).Place
ofmotor.Fastenwithfourscrews
wheelonmotorshaftwith closed
nwheelbytighteningtwoset
oughfronthole insirenbodyfrom
y.Insertmotorleadwirethroughfront
ywithtwocapscrewsandtoothed
lightas instructedin
d lightassemblyonelectrical
12-voltbattery.Ifvolumeisnot
din paragraph99.
and flasherunittoa12-volt
h,replacebulborflasherunitor both.
NBOX
o,repair,andassembly103
junctionboxis securedtothe
aspring-operatedcoveroverthe
ctionboxconsistsof ahousing
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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-BODY,CHASSIS,ANDWINCHESFORTRACTOR
40-TONTANKTRANSPORTERTRAILERTRUCKM25
G
N
GROUNDWIRE)
TOPLIGHTWIRE)
ctionBoxandCover
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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CCESSORIES
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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-BODY,CHASSIS,ANDWINCHESFORTRACTOR
40-TONTANKTRANSPORTERTRAILERTRUCKM25
whicharefour terminalsforthe
plightwires.The fourthterminal
NG,INSPECTION,REPAIR,AND
IONBoxCOVER(fig.75).Drive
andbracket,andremovetrailer
ailerwiringjunctionboxalong with
WIRINGJUNCTIONBox(figs.75and
lockwasherfromeachoffour
and plainwasherfromeachof
inalswith terminalboltsoutof
orsleeveoutof housing.Remove
emovewiringplate andhousing
air.Cleanallpartsindry-
adsforbursor crossthreads,and
p.Inspectallpartsfor cracksor
ged.Cleanallcontactssothat there
IONBoxCOVER(figs.75and76).
hone sideoftrailerwiringjunc-
stallcoverspring onpin.Push
rand bracket,thenrivetpinonto
IONBox(figs.75and76).Install
eninstall wiringplateonhousing.
torsleeveinhousingso thatlong
e holeinplate.Installterminalbolt
n insulatorsleevesothatnotched
nsulatorsleeve.Installplain washer
onbolt.Repeatprocedureon
nstallfourlockwashersandfour
minal bolts.
M
P u b l i c D o m a i n ,
G o o g l e - d
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EMANDACCESSORIES
TORBUZZER
o,repair,andassembly105
RATION.
airindicatorbuzzerissecured
oils,contactarm,andterminals
ts areprotectedfromdirtand
ndicator(TM9-1827A,
Westinghouse)")iselectricallycon-
ntheairpressurein theairreser-
coils inthebuzzerare energized
m,causingabuzzingsound.
NG,INSPECTION,REPAIR,AND
9).
EWANDADJUSTINGROD.Remove
shers,plainwashers,andwireclamps
vecontactsetscrewandsetscrew
w.Removespringtensionadjust-
odthumbnut. Unhookspringfrom
Unhookspringfromcontactarm
wwhichholdscontactspring
contactspringassemblyfromcon-
mbasewhichholdcontactarm
mwithbracketassemblyoffbase.
BRACKET.Removeupperscrew
ndremoveadjustingscrew(under-
erscrewfrombottomofcontact
armfromcontactarmbracket.
NTACTSCREWHOLDERRemove
byheating waxandscrapingoff,
e(solderingiron). Removetwo
dcoilsto base,andremovecoils.
woterminalscrewsandonecontact
twoterminalscrewsandcontact
M
P u b l i c D o m a i n ,
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-BODY,CHASSIS,ANDWINCHESFORTRACTOR
40-TONTANKTRANSPORTERTRAILERTRUCKM25
KET
STING
BNUT
ndicatorBuzzer TopView
air.Cleanallpartsindry-
mpressedair.Removeanycorro-
h.Inspectwiresfor breakage,
ndusenewwires,if damaged.
ghtenthreadswith threaddieor
chine.Inspectspringswhichmust
espringifcoilsarenot equidistant.
NTACTSCREWHOLDER.Installcon-
lscrewsonbase,and fastenwith
nd fastenwithtwoscrewsand
base(fig.78), andinstallsealing
ANDADJUSTINGSCREW.Install
et,andinstalllowerscrewinbot-
M
P u b l i c D o m a i n ,
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EMANDACCESSORIES
CREW
dicatorBuzzer BottomView
acket Disassembled
M
P u b l i c D o m a i n ,
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-BODY,CHASSIS,ANDWINCHESFORTRACTOR
40-TONTANKTRANSPORTERTRAILERTRUCKM25
crew,theninstallcontactarmwith
mtobasewithtwoscrews.Install
ctarm,installcontactspringbracket
hscrew.Hookspringon contact
D.Installadjustingrodonbase,and
ing rodthumbnut,andinstall
rew.Install contactscrew,contact
uzzertoa12-voltstoragebattery
ngrod setscrewandadjustingscrew
nd.I nstallupperscrewontopof
wireclampsontwoterminalscrews.
o,repair,andassembly107
ldwipersaresecuredtothe
hieldlowerframe.Thewindshield
nganelectricmotor,reductiongear,
sector,andtheshaftandpinion.The
resecuredto theshaft.Eachwind-
chenergizesthewipermotor,
eshaftto rotate.Thewormisin
whichinturn operatestheeccentric
hthepinionwhichis ontheshaft,
perblade.
NG,INSPECTION,REPAIR,AND
2).
NG.Removetwoscrewsthathold
offhousing.
AFT.Removesevenscrewsthathold
over.Removeshaftandpinion
eretainingcapat rear,thenpushing
M
P u b l i c D o m a i n ,
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CCESSORIES
M
P u b l i c D o m a i n ,
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-BODY,CHASSIS,ANDWINCHESFORTRACTOR
40-TONTANKTRANSPORTERTRAILERTRUCKM25
MotorHousingandGear
ntricandsectorassembly.Liftout
dgearassembly.
er(frompositivepostandground
and switchwiretoinnercoilwire.
washers.Liftentiremotor(includ-
BRUSHARMS.Removearmature,
e)andbrush lead(ground).
holderplate onstuds.Liftoff
Liftspacersoff studs.Remove
andlifting offposts.Remove
ingslip,and pullingoutspringfrom
CH.Driveoutrivetsthatholdswitch
chassemblywithswitchto posi-
rcoilwire.Removeswitchnut,
tchcover.Removeswitchinsu-
rswitchtopositivepost wireand
rminalsonswitchbody.
air.Cleanallpartsindry-
armatureto soakinsolvent.
M
P u b l i c D o m a i n ,
G o o g l e - d
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EMANDACCESSORIES
torisdirectlyover brushholder
lbrushesinbrushholders.Install
mutatorandlowerendof holders
pring, andfastenwithspring
irethrough holeinbrushholder
ositivebrushlead.Solderground
weengroundpostandbrushsup-
rlowerswitchwiretoinnercoil
positivepost.
VER.Installreductiongearinbody,
wormoncommutatorshaft.Install
dy,meshinggearwithsmallerreduc-
ndsectorassemblyovereccentric
dshaftinhole inbody.Install
ngpinionwithteethin sector.
dy withsevenscrews.Install
woscrews.
S.
renoallowablefitsfor elec-
ctionsmustbeasfreeofcorrosion
witchpartsmustbe looseenough
htenoughtobind.
Therearenospecifictoler-
mustbe cutlongenoughtocon-
avepartsinstalledsothat thereis
M
P u b l i c D o m a i n ,
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E-BODY,CHASSIS,ANDWINCHESFORTRACTOR
F40-TONTANKTRANSPORTERTRAILERTRUCKM25
M
P u b l i c D o m a i n ,
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FFRAME
TA.
sofchannelsteelsidemembers
etedtogether.Theyarereinforced
tswhicharerivetedin place.
torareboltedtotheframe.
).
5).Theframemustbe
movalfromvehicle.Checkingof
teringgages.
nFrame
M
P u b l i c D o m a i n ,
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-BODY,CHASSIS,ANDWINCHESFORTRACTOR
40-TONTANKTRANSPORTERTRAILERTRUCKM25
vehicleonalevel floororon
randwheelalinementmachine.
ameof vehicle.Placefirstcenter-
,secondcenteringgagenearcenter
nearend offrame.
thethreecenteringgagesand
pointerswillbe inline.Ifpointers
.Straightenframein frame
NSPECTION,REPAIR,AND
o,repairandassemblyIll
G,INSPECTION,REPAIR,AND
ersandgussetsoftheframeare
placementbycuttingtherivets.
meandcanberemovedforreplace-
andlock washers(fig.84).
d fromtheframewithwater
sodaash solution(TM9-850).
racketsforcracksorfractures.
ndorelongatedcondition.
dorfracturedcanbewelded;
nsidethe frameatanyweakened
ofroundholes canbewelded,
ersize.Bracketsthatarebroken
bolts,nuts,andlockwasherswhich
dorreplacebracket
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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-BODY,CHASSIS,ANDWINCHESFORTRACTOR
40-TONTANKTRANSPORTERTRAILERTRUCKM2S
ELISTS.
tingmaterials;recoil
eousrelateditems.SNLK-1
-21
materials,gasesand
automotivevehiclesSNLG-27
ommand,automotive
-19
ry,M25(T21)
6(T25);Trailer,
Listsarelistedabove.
her publicationsis
ncePublications...OFSB1-1
.
M21-6
15
sTM9-2800
ckM25(T21)TM 9-767
rtractortruckM26,
ortertrailertruck
infortractortruck
ransportertrailer
erMIS,component
ruckM2 5TM9-1767D
akesystems
827A
M
P u b l i c D o m a i n ,
G o o g l e - d
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80
55
ndradiatorrepairsTM10-450
540
8-250
g,andweldingma-
y theOrdnance
5-25
eventivemainte-
alsandequipmentTM3-220
cevehiclesFM17-59
FM21-40
ndshipmentChart,
R850-1S
echanizedand
,majorcaliber
and Navy,on
yOperationsand
ociationofAmeri-
entAR850-18
M
P u b l i c D o m a i n ,
G o o g l e - d
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-BODY,CHASSIS,ANDWINCHESFORTRACTOR
40-TONTANKTRANSPORTERTRAILERTRUCKM25
ch
.20
.Ill
M
P u b l i c D o m a i n ,
G o o g l e - d
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73
ht
122
.67
al..13
ht115
M
P u b l i c D o m a i n ,
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-BODY,CHASSIS,ANDWINCHESFORTRACTOR
40-TONTANKTRANSPORTERTRAILERTRUCKM25
73
84
.31
.51
.48
130
.82
l....60
96
..96
M
P u b l i c D o m a i n ,
G o o g l e - d
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r g / a c c e s s
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9-80
.46
69
er
.132
51
0
73
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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-BODY,CHASSIS,ANDWINCHESFORTRACTOR
40-TONTANKTRANSPORTERTRAILERTRUCKM25
.78
4
m
5-26
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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2223
59-65
.73
.84
M
P u b l i c D o m a i n ,
G o o g l e - d
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r g / a c c e s s
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