tm 9-1787a m1 tractor allis-chalmers td-10w

8/10/2019 TM 9-1787A M1 TRACTOR ALLIS-CHALMERS TD-10W

1/174

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943

EV

ENGINE

onofthe

eAllis-ChalmersManufacturingCompany)

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ncedutiesby

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vehicle929-40

sfromengine..1041-57

11-1358-89

ofengine14 90-94

1695-130

esonengine..17-22131-144

tractor23-24 145-152

ment25-26153-154

t27-28155-156

29-30157-161

-163

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E~HEAVYTRACTORMl(Allis-ChalmeuHD-10W)ENGINE

tofmanual2

edinthismanualare fortheinformation

nnelchargedwiththemaintenanceandrepair

is-ChalmersHD-10W).Informationon

oftheunit,disassemblyandassemblypro-

enance,andrepairiscontainedin fourtechni-

thefirst.

escriptionofthe HeavyTractorMl

Engine.Itdefinesthevariousmaintenance

aintenanceoperationstotheirproperechelons.

ngtheenginefromthetractor,removalof

ne,disassembly,inspection,troubleshooting,

-assemblies,installationofaccessories,and

ein thetractor.

M9-1787B)containsadescriptionof

oval,disassembly,inspection,troubleshoot-

nstallationofthemasterclutchand the

e fuelandairsystem,coolingsystem,elec-

ystem,exhaustmanifoldandmuffler,gov-

gineandair heaters.

9-1787C)containsadescriptionof

ssembly,inspection,troubleshooting,repair

rtrain,frameassembly,andseats.

9-1787D)containsa descriptionof

theHeavyTractorMl(Allis-Chalmers

GEMENTOFMANUAL.

criptionof theengine.Itincludesatable

he variousmaintenancetermsusedinthis

variousmaintenanceoperationstotheproper

onandtroubleshootingarecoveredinsec-

tlineprocedureforremovingtheengine

ofaccessoriesfromtheengine,disassembly,

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bassemblies,installationofaccessories,and

ein thetractor.Newandwornclearances

tsofthe engineandspecialtoolsrequired

onsXIIandXIV.Storageand shipment

chnicalmanualspertainingtothisengine

isusedcomprisetheremainingsections.

ainingtothismanualwillbefound in

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E

ChalmersHD-10W)ENGINE

rough5).

cooled,4-cylinder,2-cycleDiesel.Itdiffers

ycleengineinthatitrequiresonly 2strokes

onedown,tocompleteanoperatingcycle

he4-cycleengine.Inthe 2-cycleengine,

ogetherwhenthepistonis atthebottom

ofEngineShowingCirculationofAir

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EHEAVYTRACTORMl(Allis-ChalmersHD-10W)ENGINE

Side

eis acompressionstroke;every"downstroke

takeandexhauststrokesofthe 4-cycle

e2-cycleengineexhaustsburnedgasesand

air,notbythepumpingactionof theengine

otaryblowermduntedontherightside of

the enginecrankshaft.Asthepistonrtears

e,theexhaustvalves(2foreachcylinder)

o allowtheburnedgasestoescape,and

akeportsin thelowerpartofthe cylinder

nderliner)topermitfreshair fromthe

urnedgases outthroughtheexhaustvalves

a newchargeoffreshair(fig.1). Asthe

essionstroke,itclosesofftheintakeports,

andthechargeofair iscompressedintoylg

ompressioncausestheairto becomeex-

eloil isinjectedintothishot compressed

orethepistonreachesthetopof itsstroke.

otairand burns.Theexpansioncaused

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tView

asesformedforcesthe pistondownonits

adilyaccessible.Ontheright-handside

omthe operator'sseat,islocatedtheblower,

p,secondandthirdstagefuelfilters, lubri-

andwater pump.Theaircompressor,start-

electricgeneratoraremountedon theleft-

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E HEAVYTRACTORMl(Allis-ChalmersHD-10W)ENGINE

View

rpump aredrivenbythelowerblower

compressoraredrivenbyV-beltsfrom

t,andthegeneratorisdrivenbya V-belt

lley.

dtiminggearcoverare bolteddirectlyto

erblock.Enginelifterbracketsareprovided,

cylinderhead,toassistinthe removalor

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.

ries 4-71

mated)1,300Ib

00rpm

000rpm

2

Electricstarter

Diesel)Unitinjection

ont

uin.

p

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PlugCompany

anceadjustment:

Motors

uelpump(approx.)25Ib

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tersCorporation,AS4ViBDV

gCompany,EconomyB500

Company,typeT

ecialtiesCompany,CT85-9665

thwith screenandprecleaners

be

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letmanifold

85F-158F

ginmountingplate

and-operatedovercentertype

ferCase.

mers

mers

smission

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mers

totransmissioncase

Allis-Chalmers

tuatedsteeringclutches

g

cki...32

20in.

M-25;Auto-lite625HSR

Controlledbynonoverflowcaps

ve

emy5888

to16.5 voltsat2,400rpm

o15.5volts at2,400rpm

s:

volts

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14/174

E-HEAVYTRACTORMl(Allis-ChalmersHD-10W)ENGINE

to 14.7volts

14

ewedfromOperator'sSeat):

ise

se

se

ockwise

etoCrankshaftSpeed:

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ANCEDUTIES

6

NANCE.

ntenanceandrepairbythe crewand

msisdeterminedbytheavailabilityofsuitable

saryparts,capabilitiesofthemechanics,time

situation.Alloftheseare variableandno

ecanbeprescribed.

ce.Indicatedbelowarethemaintenance

arts havebeenprovidedfortheusingarm

mentsandrepairsaretheresponsibilityof

ersonnelbutmaybe performedbyusingarm

ancespermit,withinthediscretionofthecom-

onsandwordsasusedinthislist ofmainte-

nedasfollows:

ganizationregiments,battalions,companies,

tecompanies.

celightmaintenancecompanies,ordnance

mpanies,ordnancedivisionalmaintenance

nceshops.

nceheavymaintenancecompanies,andser-

cebaseregiments,ordnancebases,arsenals,

s.

sofservicing,cleaning,lubricating,tight-

andnuts,and makingexternalad-

ofsubassembliesorassembliesand

ofremovingthepart,subassemblyor

omthevehiclesandreplacingit with

econditionedorrebuiltpart,subas-

hicheverthecasemaybe.

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E-HEAVYTRACTORMl(Allis-ChalrnersHD-10W)ENGINE

makingrepairsto,orreplacementof

assemblyorassembly,thatcanbe

hedwithoutcompletelydisassembling

mblyorassemblies,anddoesnotre-

orriveting,machining,fit-

cing.

ofcompletelyreconditioningandreplacing

econditionanyunserviceablepart,

blyorassemblyofthe vehicle,includ-

g,riveting,machining,fitting,alining,

gandtesting.

edwillnormallybeperformedinthe

Operationsallocatedtotheechelonsasindi-

mplishedbyrespectiveechelonsinemergen-

LY2nd3rd4th 5th

adjust)x

Ex

reline)x

Ex

nal)replacex

al)replacex

nalandinternal)re-

eviceandreplacex

acex

irx

ildEx

trols,radiatorreplace..x

trols,radiatorrepair...x

eorrechargeX

ricalreplacex

ricalrepairEx

eplacex

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ANCEDUTIESBYECHELONS

nfd2nd3rd4tfc5ffc

(inserts)replaceEEX

erts)replaceEEX

andgeneratoradjust

dersleevesrebuild

x

x

dEx

nereplacex

nerepairx

ssembly,oilservice

ssembly,oilrepair...x

ondition)EX

ceX

X

dEx

ndreplacex

aryserviceandreplacex

aryrepairx

aceorrepairx

ud(recondition)Ex

r,lowerpan,manifoldand

ex

viceandreplacex

zedtoremoveandreinstallthe engineandtrans-

ferunitcontrolleddifferentialassembly,andotheritems

ver,whenitisnecessarytoreplaceanitem markedby

ebuiltpart,subassemblyorunitassembly,theassembly

be removedfromthevehiclebythesecondechelon

vedfromahigher echelon.

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d2nd3rd4th 5th

pairX

buildX

vice(adjust)andreplacex

uildEx

replacex

repairX

rebuild(recondition)..EX

replacex

repairx

rebuildEx

eelreplacex

eelrebuild(recondition)Ex

cex

rX

dEx

(external)replace...x

(external)repair....Ex

(internal)replaceor

cex

d(recondition)Ex

,fuelreplacex

,fuelrepairEx

x

serviceandreplace..x

replaceEx

orupper)repairX

eEEX

placex

pairx

buildx

aceEX

irx

ildX


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19/174


d2nd3rd4th Stk

eplaceX

epairX

ebuild...'.x

greplaceEEx

EE X

adjust)x

ex

TEM

NTETRACHLORIDE,

dreplacex

NTETRACHLORIDE,

NTETRACHLORIDE,

S

eplacex

epairx

ebuildEX

placex

pairX

build(recondition)Ex

erreplace.. x

errepairx

kreplacex

krepairx

krebuildEx

ntreplacex

ntrepairx

ntrebuildEx

upportreplacex

upportrepairx

upportrebuildEx

rreplaceX


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Cont'd2ml3rd4th5th

rrepairX

rrebuildEx

mservice(adjust)and

mrepairx

mrebuildEx

ceorrepairx

dEx

replacex

repairx

rebuild...;Ex

s,airserviceandreplacex

s,airrepair;x

dreplacex

eloilserviceandreplacex

eloil-^repairEx

eaterreplacex

eaterrepairx

viceandreplacex

airx

AMEASSEMBLY

keservice(adjust)...x

kereplaceorreline...x

ke-offreplacex

ke-offrepairx

ke-offrebuildX

ngservice(adjust)....x

ngreplaceorrepair....X

ngrebuildEX

ringclutch,transmission,

rnal)replacex


nal)replaceX


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AMEASSEMBLYConfd2nd3rd4th5th


rnalorinternal)re-

aceX

irX

ervice(adjust)andre-

'''X

eX,

X

dEX

supportreplaceorrepairx

ereplaceorrepairX

ginereplaceX

ginerepairX

X

sreplaceorrepairX

srebuildEX

ES%

eplaceX

epairX

ebuildEX

placeX

pairX

buildEX

paceX

pirX

bildEX

olreplaceX

olrepairX

lassemblyreplace...x

lassemblyrepair....X

mbliesreplaceX


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E-HEAVYTRACTORM1(Allis-ChalmersHD-10W)ENGINE

nt'd2nd3rd4th 5th

mbliesrepairX

replacex

repairX

aceX

airX

almersHD-10W)

almersHD-10W)

ssemblies)XE

SEMBLY

rserviceandreplace... x

rrepairX

rrebuildEX

essureservice(adjust)

essurerepairX

essurerebuildEX

replaceorrepairx

placeX

pairX

ceX

rX

ereplaceX

erepairX

erebuild(recondition)EX

LASSEMBLY

tricreplaceX

tricrepairX

tricrebuildEX

dcontrolreplacex

dcontrolrepairX

replaceX


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LASSEMBLYCont'd2nd3rd4th5th

repairX

X

EMBLY

yservice(refill)and.

yrepairX

yrebuildEX

rakeservice(adjust)..x

rakereplaceorreline..X

placeX

replaceX

repairX

iceandreplaceX

rX

rakereplaceX

rakerepairX

ontandrear)replace,x

ontandrear)repair..x

ontandrear)rebuild.X

X

X

EX


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E HEAVYTRACTORMl


25/174

TROUBLESHOOTINGONVEHICLE

unning.

ununtiloperatingtemperatureis reached.

evenoperationorunusualnoises.Hold fingers

tube.Iftubeis open,airescapingwillbe

moveitandcleanthe openingintheengine

portantthat thistubebekeptopen to

uelcollectedinair boxtodrainoutthrough

mpforleaks.

STOP"notch.Observeinstruments.Oil

steraminimumof 25poundspressure.Fuel

steraminimumof 20pounds.Ammetershould

tteryisfullycharged).Airpressure gage

tely100to105pounds.Readinstructions

mentsthoroughly(seeTM9-787A).

eair inlethousingfromblower.Inspect

Ifrotors canbeshakenconsiderably,it

ecouplingorblowerdriveshaft.Excessive

gearsisusually indicatedbysignsofrotor

ength.A wornbearingwillcauserotorto

il sealsareusuallyindicatedbythepresence

ves,pistons,rings,andcylinderliners

ompressiontester.Thistesterreplacesan

essionofeachcylinder.Highcompressionis

entoperationofaDieselengine.

thenginerunning,ofall fuel,oil,and

ngconnectionsshouldbetightenedorneces-

eaterand airheaterfuelpump.Check

ofclutch.Removerockerarmcoverfrom

entsofvalvesandinjectors.Refertopara-

Notesshouldbetakenfromabove

analyzed.Ageneraltuneupofenginewhile

fenginecannotbe putinnormaloperating

ethod,a reportshouldbemadeto thecom-

repairsnecessary.

en madetoaidthemaintenancepersonnel

gular engineoperation.Detailedprocedure

isordersisoutlinedin themaintextofthe


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26/174


ne over

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ective.

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iners

firing.

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ut-off

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amp

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.

.

ut-off

pand

efillcups,

e.

dhand-

tholes.

efromExhaust.

perfuel.


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27/174


inair

skets

s.

s.

ks).

.

cracked.

stuckor

adjust-

ar.

ket.

ctive,

amount

ets.

.

tors.

.

chclear-

ace.

fcracked,

sticking.

ance


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28/174

E

onsand

bricat-

edto

n.

gengine.

ystem.

con-

to

od

orun at

praytips.

gengine.

ed.

s.


inerun-

f

el.

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ontain-

ewith

ended

mended

operly.

aners

onnec-

deck

ank-

fuel.

swith

torunat

es-

nds.

ressure

henfill-

ethat

askets


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29/174


ft.

lrough

nt.

s.

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turetoo

saround

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es.

ween

boned.

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low

hould

d;at

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place,if

f160F

arance.

eof fuel.

ption.

.Install newrings.

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30/174

E HEAVYTRACTORM1(Allis-ChalmersHD-10W)ENGINE

Remedy

s.Replaceseals.

eplacegasket.

eplaceseals.

aceliners.

cerings.

M9-787A,sectionXIII,

erings.

inslots.Replacerings;cleandrain slots.

properoil level.


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31/174

OMVEHICLE

th

n.

-in.

0-in.

n.

6-in.

n.

EMANDCRANKCASE.

connectorelbowandwaterpump.Remove

.

SANDHOOD.

6-in.

.wrenches)andliftprecleanersoffpre-

Loosenboltsateachcornerofhood(%6-in.

ps,and lifthoodoffoverexhausttail pipe

TFENDERS.

nderand3boltsand 1capscrewinleft

rs.

ESHAFTGUARDANDGUARDSUPPORT

ENCH,1-in.

guardbyremovingthe3bolts atrearof

nches)and3capscrewsat front(%rt-in.

2capscrews,holdingbrackettoradiator

movebracket.Removethe2corresponding

oldingradiatorshell toenginesupport.


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32/174


cleoners

moval


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33/174

OMVEHICLE

emoval

NDUPPERRADIATORHOSE.

-in.

alfrombatterypost(pliers).Disconnect

tor.Thisconnectorcanbefoundneargen-

poftopradiatorhoseandr emovehosefrom

ORTBOTTOMCOVER.

holdingcovertoenginesupport.It maybe

msupport.

WATERCONNECTION.

holdingconnectiontooilcoolerinlet.

RILL.

1-in.

ocket,5/s-in.,

tension


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34/174


BottomCoverRemoval

side frombolts,holdinggrilltoradiator

e2remainingcapscrews,holdingradiator

n.wrench),andtilt topofradiatorback

Driveoutthe T-headboltsfromwhichnuts

punch),takingcarenottodamagethreads,

ainhoist).NOTE:Thelowerboltsonleft-

edlastas grillewillhavetobe shiftedto

opassunderflange onwinchdrum.

LY.

shuttercontrolrod(pliers)and pulltop

s possible.Removethe3capscrews,holding

balanceweightcoverofengine(%-in.

mpulleyandliftoutfan assembly.

ASSEMBLY.

in.

previouslyloosenedoneachsideat bottom

ch).Placeropearoundradiatorunder

rassembly(chainhoist).Disengageshutter

ftedout.


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35/174

OMVEHICLE

Removal

diatorAssembly


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36/174


gFuelLinesfromFuelPump

ROLRODS.Disconnectthrottlecontrolshaft

movingcotterpin andyokepinconnecting

isconnectshut-offbellcranktoairshutter

gcotterpin andyokepinconnectingthe

tlever.Disconnectshut-offbellcrankto

cotterpinandyokepin connectingtherod

NES.

.WRENCH,open-end,%-in.

singfuelshut-offcockundertank.Discon-

efromfitting attopofthird stagefilter

akingcarenottotwistflexiblehose.Dis-

stagetothirdstage filter(3/4-and%-in.

xibleengineoilpressureline atuniontosteel

wl(%-and%-in.wrenches).Disconnectfuel

secondstagefilter( %-in.wrench).Disconnect

eturnlinesfromconnectionsunderfrontof

-in.wrench).

AGETUBE.

-in.


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37/174

OMVEHICLE

D

ermoGageTubefrom

ogagetubefromrearend ofwatermani-

ELBOW.

/16-in.

screwdriver)andremove4capscrews,

nch).Removeelbow.Stufflargeclothinto

ntanyforeign matterfromentering.

ATERFUELLINE.

n.WRENCH,open-end,%6-in.(2)

ineatrear ofcheckvalveunderneath

6~m-wrenches).Removenut,holdingfuelline

wo%6-in.wrenches).

COVERANDDISCONNECTCOILWIRE.

Hopen-end,3/8-in.

dingairheatercover(V2-in.wrench),re-

wirefrombottomofcoil(3/s-in.wrench),and

nch).


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38/174

E HEAVYTRACTORM1(Allis-ChalmersHD-10W)ENGINE

andControlsToBeDisconnected

INGMOTOR.

fromstartingmotorswitchterminal.Tape

ventits contactingmetal.Liftammeterand

olwirefromterminal.Removepinfrom

d(fig. 14).

ROMVOLTAGEREGULATOR.

omvoltageregulatortoammeter.

H,open-end,s/s-in.

Hopen-end,%-in.

om fittingsontopofair compressor(5/s-

emoveboltsfromclip,holdinglinesto air

-andl/2-in.wrenches).

UTCH.

engagedsothat throwoutbearingwill

gineismovedaheadto beliftedoutof


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39/174

OMVEHICLE

onCoverRemovol

SPECTIONHOLECOVER.

iftofffloor plateoverinspectionhole

move4capscrewsfromcoverovermaster

n.wrench).Removecover,pullcotterpin

pinfromendof masterclutchcontrolrod.

RELEASEBEARINGLUBRICATINGTUBE.

bearinglubricatingtubeontopof clutch

ngtubedownintoclutchcompartment.Pre-

twistingwhileremovingnut(fig.16).

EFROMSPACER.

ox,9/16-in.,with

s,holdingenginetospacer.NOTE:The2

emosteasilyremovedwitha 90degreeoffset,

fsetwrenchcanbeplacedbetweenthefly-

erspringtoremovethe capscrews.Turn

hoppositeendofwrench.


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40/174


EBEARING

gine-to-SpacerCapScrews

ltsfromFrontEngineSupport


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41/174

OMVEHICLE

fromTractor

MFRONTENGINESUPPORT.

-in.

e frontenginesupport(7/s-and'%6-in.

tly,andtakeouttheshims frombetween

TION:Shimsremovedmustbereinstalled

Wirethemto tractor.


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42/174


ACTOR.

edbya chainhoistandropeconnectedto

nehighenoughtotakeweightoff engine

eforwardfarenoughso thatmasterclutch

ndofclutchshaft.Enginemaythenbe lifted


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43/174

ESFROMENGINE

omengine10

ORIESFROMENGINE.

OTOR.

H,socket,7/s-in.,

1 bolt,holdingstartingmotortoflywheel

d'^-in.wrenches).Jarstartingmotorloose

6-in.

n.

n.

.

.

.,

.

ggeneratortoslottedadjustingarm( V2-

neratorfromgeneratorvoltageregulator

river).Removecapscrewinbeltadjusting

,holdinggeneratortocompressorsupport

emovegeneratordrivebeltfromgenerator

r.

SSOR.

tletwater linesfromthecompressorhead.

rews,holdingcompressorsupportbracket to

2lowerc apscrews,holdingcompressorsup-

ebeltfrompulley,andlift aircompressor

ovethe2lowercapscrews.


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44/174


AssemblyRemoval

NLETELBOW.

with6-in.extension

movecapscrew,holdingpreheaterinlet

emoveelbow.

.

Removespecialcapscrew,holdingair

erblock.Liftoffairheaterassembly.Remove

rs.

NTUBEANDELBOW.

n.WRENCH,open-end,3/4-in.

melbow(-V4-in.wrench).Removeelbow

GINESTAND.

moved,theenginecanbemountedona

own.Thiswillfacilitatetheremainingwork


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45/174

ESFROMENGINE

sorAssemblyRemoval

DMANIFOLDASSEMBLY.

ENCH,ys-in.

gthebottomof eachmufflersupporttothe

NOTE:Thefrontboltsarethreadedinto the

ud nuts,holdingexhaustmanifoldtocylinder

manifoldassembly.

TCHASSEMBLY.

3/4-in.

son9specialcapscrews,holdingmaster

randchisel),andremovethecapscrews(%-

clutchassembly.


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46/174

EHEAVYTRACTORMl(Mis-ChalmersHD-10W)ENGINE

nerUnitRemoval

oldandMufflerAssemblyRemoval

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ESFROMENGINE

hAssemblyRemoval

HangerRemoval

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48/174


gWaterBypassTubefrom

ONTHANGER.

dingenginesupportbrackettobalance

ginefronthanger.

ASSTUBEASSEMBLY.

H/,6-in.

dingwaterbypasstubeassemblytother-

crews,holdingit tooilcooler( Vi-in.wrench).

ngbypasstubecliptofrontof engine('ftc-in-

ypasstubeassembly.

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ESFROMENGINE

gControlLinkfromControlTubeLever

TLETMANIFOLD.

ateroutletlinefrommanifold.Remove

washersfromstuds,securingmanifoldto

anifoldandgasket.

OUSINGASSEMBLY.

k.

r.Removelinkpin,holdingcontrollinkto

ngCoverAssembly.

ewsholdingcontrolhousingcoverassembly

ovecoverassembly.

holdingcontrollinkondifferentiallever

PublicDomain,

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gCoverAssemblyRemoval

pfromDifferentialLeverPin

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51/174

ESFROMENGINE

ngRemoval

eatherPipe.

governorbreatherpipetocontrolhousing.

eoutofclip, holdingpipetooilcoolerhousing,

ngAssembly.

n.

pperend,holdingassemblyto cylinderhead

end,holdingassemblytogovernorweight

usingassembly.

RANDFILTER.

,socket,%6-in.

ingfromwaterpump.Remove8capscrews,

V2-in.wrench),andremovehousingandoil

7capscrews,holdingoilfilterandcooler

%r,-in.wrench).Liftoffadapterandoilfilter.

soutofhousingafterhousingi sremoved.

RIVESHAFT.

H,open-end,!/]6-in.

2)

PublicDomain,

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52/174


singRemoval

oolerAdapterRemoval

PublicDomain,

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53/174

ESFROMENGINE

ShaftRetainerRingRemoval

haftRemoval

PublicDomain,

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igitized

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_use#pd-g

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54/174


pScrewsfromWaterPumpOutlet

USING

pScrewsHoldingBlower

PublicDomain,

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_use#pd-g

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55/174

ESFROMENGINE

uelFilterHeadRemoval

screws,holdingflywheelhousingstarcover

movecover.Removeblowerdriveshaft

capscrewin endofdriveshaftand pull

WATERANDFUELPUMP,ANDGOVERNOR

EUNIT.

Hsocket,V2-in.

ngwaterpumpoutletpackingflangeto

nch).Remove4capscrews,holdingblower

rench).Removethrottlecontrolpull-back

rcapscrewsareremoved.Liftoffblower

eighthousing,waterpump,andfuelpump

GEFUELFILTER.

H,open-end,7/s-in.

n.

w,holdingfilterhousingtofilterhead(%-

terhousingandelement.Disconnectfuel

8-and%-in.wrenches).Takeout2 cap

tocylinderhead(5/s-in.wrench),andre-

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56/174


eyRemoval

PULLEYANDVIBRATIONDAMPER.

WRENCH,ls/16-in.

ndofcrankshaft,removewasher,andrein-

rench).Installpullerboltsin tappedholes

boltin againstheadofcapscrew,forcing

n.wrench).Removepullerassemblyfrom

erbolts in2tappedholesin vibration

ndfrontdamperconefromcrankshaft.

mcrankshaft(pliers).

ODANDTUBEASSEMBLY.

n.

gassemblyattop(~,ui-in.wrench).Discon-

removetubeassembly.

RNLINE.

n.

fromfittingat rearoffuelmanifold.

inefrom boltonlowersideof lowerdrive

RIVEASSEMBLY.

,open-end,-/,,-in.

PublicDomain,

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57/174

ESFROMENGINE

Y

ssemblyRemoval

rewsRemoval

PublicDomain,

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58/174

E HEAVYTRACTORMl(Mils-ChalmersHD-10W)ENGINE

veAssemblyRemoval

bearingoilline(7/i6-in.wrench).Remove

andpullblowerdriveassemblyfromhousing

Remove26capscrews,holdingoilpan

SSEMBLY.

H%6-in.

holdingoilpumpsprocketsupportto front

studnutsholdingoilpumpbody assembly

(%6-in.wrench),thecapscrewholdingoil

mp inlet(V2-in.wrench),andthetwocap

ldingoilpumpoutletpipetooil bypassvalve

).Removeoilpumpassembly.

LVEASSEMBLY.

holdingoilpumpbypassvalveassembly

bypassvalveassembly.


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59/174

ESFROMENGINE

mblyRemoval

RIVE.

esprocketandshaftassemblybymaneu-

sitiononfrontmainbearingcap.Liftoff oil

ocketandremovesprocketandshaft


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60/174


E

mblies12

blies13

avethepropertools andequipmentbefore

onsonthisengine.It isalsoimportantthatthe

tobedonebecleanand, especiallyinassem-

betakento havethepartsthoroughlyclean

theengine.

sused inthismanualarenot standard

ustrationscloselyandimprovisetoolsand

edtoperformthe operationsforwhichno

boxesavailablesothatbolts,nuts,and

assemblingmaybekeptseparatewith the

heyareremovedtoavoidconfusionandloss

ngine.Cleanand examinepartsastheyare

istofparts needingreplacement.

assembliesthatshownoneedof repair.The

assemblyofeachsubassembly.Followthis

assemblyisnecessary,otherwiseuseonlythe

ngto thesubassembliesinneedofrepair.

stof fitsandtolerancesfornewengines

mallowablewornclearances.Whenre-

engine,thenewclearancesshouldbeusedas

cesareonlyto indicateamountofwear

orreplacingaparticularpart.

senewgasketsthroughouttheengine.This

swhenengineis putbackinoperation.Use

apscrewswherespecified.Capscrewsenter-

vecoarsethreads.Thoseenteringthecylinder

threads.Besure allboltsandcapscrewsare


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61/174

E

UBASSEMBLIES.

in.

p

),

n.

n.

.

n,

n,

EADASSEMBLY.

in.WRENCH,socket,'%6-in.,

extension

r.Removethe4capscrews,holdingthe

bracketstobalanceweightcoverandfly-

nch).Using]-y16-inchsocketwithextension,

adstudnuts,and liftcylinderheadfrom

onitsside oronblockssoinjectortips and

amaged.Removecylinderheadgasket.

RINGREMOVAL.

H,'%6-in.

lertool sopullerfingerswillcollapse

rtedthroughinnerraceof bearing.Settool

heel(fig.79) andturnclockwiseoninner

willexpandandbearagainstinner faceof

rench).Ifnecessary,holdcenterstudfrom

tclockwise(^g-in.wrench),pullingbearing

s/s-in.

,WRENCH,socket,1%6-in,

xtension

movethe 6capscrewsholdingflywheel

in.wrench).Insertthe2specialcapscrews

flywheelandforceflywheelfromcrankshaft


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62/174

E HEAVYTRACTORMl(Allis-ChalmersHO-10W)ENGINE

ylinderHeadStudHuts

Removal


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63/174

E

oval

pScrewsfromFlywheelHousing


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E HEAVYTRACTORMl(AHJs-ChalmersHD-10W)ENGINE

htCoverRemoval

tRemoval


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65/174

E

-CAMSHAFTGEAR

pScrewfromRearCamshaft

OUSING.

ENCH,3/4-in.

and4 bolts,holdinghousingtorearcylinder

enches).Removethe12capscrewsinside

topand3on eachsideofcrankshaft).Use

ches.Removeflywheelhousing.

EIGHTCOVER.

oldingbalanceweightcoverandremove


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use#pd-google


66/174

E HEAVYTRACTORMl(Allis-ChalmersHD-IOW)ENGINE

kScrewsfromIntermediate

ANDBALANCESHAFTASSEMBLIES.

eWeights.

n.

entheteethof camshaftandbalanceshaft

ngnuts,holdingbalanceweightsonshafts(1Vi-

eweightsoffshafts(pry bar).

ENCH,socket,%6-in,

dingrearbearingofeachshaftto rear

%6-in.wrench).Capscrews-areremoved

shaftandbalanceshaftgears.Removethe3

earinglockbolts,holdingcamshaftintermediate

iver).

dBalanceShaft.

eshaftoutofcylinderblock.Rearbearings

swillremainonshaft.

s.


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E

mshaftAssemblyfromCylinderBlock

emblyRemoval


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68/174

EHEAVYTRACTORM1(Allis-ChalmersHD-10W)ENGINE

arRemoval

meachfrontbearingandpull bearingsout

ASSEMBLY.

enterofidlergearhub.Lift offidlergear,

andspacer.Removecapscrewandremove

ynexttoidlergear assembly.

GEAR.

moveoilslinger,andprygear offcrankshaft.

FRONTCOVERASSEMBLY.

CH,y4-in.

dingfrontcoverassemblyandremovefront


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E

rontCoverAssemblyRemoval

dOilPumpDrive Sprocketana* Chain


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BlockandPlateRemoval

RANDPUMPDRIVESPROCKET.

mpercone,oilslinger,oilpumpdrive

DERBLOCKENDPLATE.

dingcylinderblockendplatetocylinder

ndplateoffdowels.

TCYLINDERBLOCKENDPLATE.

H,3/4-in.

dingfrontcylinderblockendplateto

dplateoffdowels.

DCONNECTINGRODASSEMBLIES.

1V16-in.

crapethe carbonfromupperpartofliners.

llconnectingrodbolts(pliers).Removenuts

earingcap(n/16-in.wrench).Removebear-

ndrodassemblyoutofcylinder.Afterremov-

owerhalfofbearingbackonrod. Repeat

dassemblies.


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E

odBearingCapRemovel

odandPistonAssemblyRemoval


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Removal

INERS.

cylinderliner

dmayslide outwithpistonwhenremov-

ndusethecylinderliner removerandreplacer

up.Slipthelowerpuller clampupthe

edseat,andcockclamponrodso itwill

Whenrodis droppeddownthroughliner,

tsseat inahorizontalposition.

lampdownagainstthetopedgesof the

trikethe upsetheadonupperendof

ththepullerweight,thusreleasingthe liner.

TASSEMBLY.

'5/16-in.

p

p.Removethecotterpins (pliers)and

omthemainbearingstuds.Installpuller tool


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E

CapStudNutRemoval


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CapRemoval

position(fig.60).Removemainbearingcaps.

.Removeuppermainbearingshellsfrom

ASSEMBLIES.

semblytogetherandseparatefromother

gprocedure:


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75/174

E

movedfromCronkccrse

6-

n.

n.

.

n.


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76/174

E HEAVYTRACTORMl(Mis-ChalmersHD-10W)ENGINE

olTubeAssemblyRemoval

rHead.

NTROLTUBEASSEMBLY.

RIVER,10-in.

H,%6-in.

dingbracketoneachendtocylinderhead

mblyfromhead.Removerearbracketfrom

ewsinrackcontrollevers(screwdriver),and

ngfromtube. Drivegroovepinfromcontrol

unch)andremoveleverandfront bracket

sbearingsfrombrackets(hydraulicpress).

ELLINES.

n.

teachendoflinesand removealllines.

ngsfromwhichlineswere removed.

MASSEMBLIES.

H,open-end,/2-in.

V2-in.wrench).Removethe2bolts,

ftbrackets(%-in.wrench)tothecylinder


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77/174

E

neRemoval

cketsfromtheshaft.Slidethe shaftfromthe

msback.Unscrewrockerarmsfrompush

movingtherockerarmshaft,foldbackthe

t farenoughsoshaftcanbe pulledendwise;

sbackwith shaftinplaceandimposea load

.

WRENCH,socket,9/i6-in-

sherfromeachclampstud(%6-in.wrench).

einjectorremovertoremoveinjectors.

ANDCAMFOLLOWERASSEMBLIES.

NCH,open-end,Vi-in.

NCH,socket,y16-in.

rench,removethe2capscrewsandlock

rollerguideto thecylinderhead.Removethe

overagainstpush rodandbetweenjam

sher.Tightenjamnut againsttooltocompress

movelockwireholdingupperspringseatin

andliftout pushrod,spring,andspring


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78/174


ACKET

ockerArmBracketBolts

aftRemoval


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E

pHutRemoval

ORAND

L

val


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overInstallation

liftout camfollowerassembly.Repeatfor

OLD.

CH,open-end,7/s-in.

n.

oldrestrictionunit(%-and7/s-in.

manifoldconnectorjamnuts(filtercap

cors.Pulloutfuelreturn manifold.Remove

ner.

LVES.

ompressorandinjector

rmbracketcapscrewsthroughremover

essortooland intooneoftherockerarm

head(fig.74).Placeforkedend oftoolover

ompressspring.Removethevalvelocks.

etainerand spring.Repeatforallsprings.

dremovevalves.


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81/174

E

mblyRemoval

ES.

valvestemguide

nd supportitwithblocksat eachend.

hspecialtooland hammer.

NSERTS.

ofvalveinsertsothat lipatbottomof

ottomside ofvalveinsert.Whileholding

andit byturningnutattop oftool.Besure

lyenteredjustbelowinsert.Slidetool body

ssedhexagonalheadscrewofbody inline

collet.Turn screwintoengageslotand


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AssemblyRemoval

ngfromRestrictionUnit


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E

torRemoval

anifoldRemoval


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CompressorToolInstallation

alveSpringLocks


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E

ertRemoval

etobody.Putthrust bearingovertopof

Startscrewheadontocolletandcontinueto

ulledfromcylinderhead.

OPPERTUBES.

3/4-in.

pperendof coppertube(%-in.wrench).

d,usingspecialpunch,drivetube outthrough

ammer).

Gear.


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86/174

E


RemoverInstalled

ywheelwithchisel.Holdchiselin gear

Strikechiselsharplywith hammeruntilgear

enfromflywheel.

Housing.

ge

alout ofhousingwithpunchandhammer.

andBalanceShaftAssemblies.

n.

H,iy2-in.

ediatecamshaftbearings(screwdriver).

alvesheld bythesnaprings.Removeself-

ch)andpressshaftsfromgears(hydraulic

keysfromshafts(pliers).Sliderearbearings

ftFrontCoverAssembly.

ge


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87/174

E

jectorTube

ealoutof frontcoverwithpunchand

ConnectingRodAssemblies.

.

steelretainercapatend ofpin.Jarretainer

ctingrodandpiston.

S.

pistonring


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88/174

E HEAVYTRACTORMl(Allis-GhalmersHD-10W)ENGINE

GPULLER

PilotBearingRemoval

aftOilSealRemoval


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E

apRingfromCamshaft

shaftfromGear


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ckRingfromPiston

odRemovedfromPiston


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E

odBushingRemoval

igure112. Caremustbetakennotto over-

spreadingtheendsmorethannecessaryto

OMCONNECTINGROD.

andREPLACER,

ngrodonblockand placeupperendof

inblockand rodinalinement.Drivebush-

sshown.

t.

9/16-in.

ncrankshaft,ifany(pliers).Unscrewpilot

mcrankshaft(%r,-in.wrench).


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92/174


OFENGINE

rts14

AIROFPARTS.

ANER,engine,orOIL,fuel,Diesel,are

stobe usedonthisengine.

ardallcrackedorbrokenparts, worn

sketsfromparts sogasketsurfaceswillbe

mbly.Removeallbursornicks thatwould

ensurfaces.

hecktosee ifpartsareso badlyworn

sary.Ifapartis wornalmosttothemaximum

atparttopreventenginefailure afterashort

ntireblockthoroughlywithlivesteam

ressedair.Removeplugsfromends ofoil

oilpassages,usingCLEANER,engine,or

pressure.Installthese plugsimmediately

POUND,jointandthread,toinsureagainst

tionsthatwouldrenderblockunfitfor

spectcylinderblockendplates for

surfaces.Bothsurfacesmustbesmoothand

ylinderlinersforroundnessandgen-

ntakeports inliners.Measureeachcylinder

lartotheone showninfigure86.Checkfor

und (eggshaped),ortapered(largerat

thedimensionsarenotwithinthe limits

placethelinerwitha newone.

sbyslushing inCLEANER,engine,

leantheringgrooveswitha brokenpiston

d.Checkpistonforroundness;0.001inch

Insertpistonincylinderliner.Usingthin

ancebetweenpistonandlinercrosswiseofthe

clearanceexists,replacepistonorlineror


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93/174

OFENGINE

ylinderLinersforWear

groovesforwear.See sectionXV.Inspect

r wear.Replaceifbeyondmaximumallow-

visabletoinstallnewrings.Newrings should

onsare installed.Forinstallationofpiston

rod,seeparagraph16 b(2).

s.

kshaftforsignsof scoring,overheating,

s anyindicationofanyofthese,replace

passagesincrankshaftwithair.Measure

djournalsandcrankpinsin severalplaceson

rminethesmallestdiameterincasejournals

f round.

ofthemain bearingandconnectingrod

earingshellshaveathicknessof%2inch

mthepartingline.Thetwoshells donotform


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94/174

E-HEAVYTRACTORMl(Allis-ChalmersHD-1IW)ENGINE

AN"B"

AN"D"

N"F"

Dimensions

aringShellThickness


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95/174

OFENGINE

led,and whenmeasuredforinsidediam-

theircapsandblock,withcapsboltedfirmly

measuredwithmicrometersatthepoints

nyvariationfrom%.>inchwill indicatethe

l beingmeasured.Clearancebetweenbear-

.002inchto0.004inchandshould notexceed

ellsshowingsignsof chipping,pitting,scor-

ting.Allloadiscarriedon thelowerhalfof

erhalf oftheconnectingrodbearings.Itis

refore,toreplacetheotherhalfifit isnot

toilsealsin flywheelhousingandfront

einperfectconditionor oilleakswilldevelop.

haftAssemblies.

djournalsfor goodbearingsurfacesand

ofthecamshaftandbalanceshaftthrust

earings,andif eitherisscored,replacethe

saresmooth,theyaresatisfactoryforfurther

ingsshow damageorscoringorbewornso

giveninsectionXV,installnewbearings.

wearorscoring.Replaceshaftifcamsare

nalloilholesandpassages.

oth shafts,andalsotheidler andcrank-

bearingscauseexcessivebacklashandnoisy

randremovebursongears.When assembling

etweengears,andifnotwithinprescribedlimits,

gearhubforscoringandcheckthe

ameterofgearbearingalsoforscoring.The

nginthegearandthejournal shouldbefrom

dshould notexceed0.006inch.Iftheclear-

replaceeitherthegearandbearingassembly

ependingonwhichpartisworn.

steelwasher,theflangeofthegear

for scoringandwear.Replacewornparts.

assemblyisfrom0.003inchto 0.006inch

08inch.NOTE:Theidlergear bearingisnot

aseofbearingfailure,theentiregearassembly

esandguides.Thevalvesmaybe cleaned


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ecessarytoreamcarbonfrom guideswith

newithaspecialvalveguidecleaningtool

desuntil gum,carbon,orotherforeign

kclearancebetweenvalvestemsandguides.

5inch,replaceeitherwornvalvesorguides,

thbentstems.

ANDVALVESEATRECONDITIONING.The

acedifstemsarenot wornorbentor valve

valverefacinggrinder.If badlygrooved,

efaced,theseatingsurfaceshouldbe ground

veseatsandguidesmustbeinstalled inthe

ris possibleonthesetubes.Ifdefective,


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97/174

es

SEMBLIES,

er

e

at

de

6-

.

n.

.

n.

sembliesareassembledintheengine

notbeassembledprevioustotheirinstallation.

however,maybeassembledorpartially

tallationinassemblingtheengine.

AFT.

%6-in.

ckretainer.Thisshouldbedone bysticking

ofwirethroughendof wickanddrawing

d crankshaftafterwickholderhasbeen

shaft,Removethewireand,withasmall

trudingends ofthewickintothecrank-


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98/174

E HEAVYTRACTORMl(Mis-ChalmersHD-10W)ENGINE

tineachend.Thencut thewickateach

stickingoutfromeachend.

DCONNECTINGRODASSEMBLIES.

gsin ConnectingRod.

bushingremoverand

thejointinbushing towardstopofrod.

85) untilouterendof bushingisflushwith

e setupaswasusedforr emovingbushings.

ely%0inchwillbe leftbetweenbushingsfor

atupperend ofrod.

erandfixture

onnectingrodis placedonthefixture

gure90showstheactualreamingoperation.

arboroffixture(bearingshells removed)and

derearreamerguide bushingintorear

e hollowendfacingtheslotwhichis to

e connectingrod.Droptopofrodinto slot

xturebed.Install frontreamerguidebushing

erinto frontguidebossandturn clockwise

otcrowdreamertoohard,as betterresults

tepressureswhenturning.Afterreaming,

in thebushings.Thiscanbedoneby giving

rylightcoatingofPRUSSIANBLUE,and

ing.Pointofcontactcanthusbeeasily

rclearance(sec.XV).

er capandlockringin eitherendof

rs onthelockringshould bebentinbefore

lockringisin placetheseearswillexert

pin cap,thuspreventingtheleakageofoil

erendofconnectingrodbetweenpistonbosses

atepinwith OIL,engine,andslidepininto

E:Pinshould slipreadilyintopositionwith-

ect.Installsecondpistonpinretainercapand

sedendofpin,makingsurelockring ears

etohold retainercaptight.

LASSEMBLY.

ear.


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orReamingPistonPinBushing

onPinBushing


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EHEAVYTRACTORMl(Allis-ChalmersHO-10W)ENGINE

allation

ainerCapInstallation


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tBearinginFlywheel

enlyto450degrees(redheatvisible in

elatroomtemperature(70F).Thenplace

lso that,whenflywheelisinstalled,the

honthe ringgearwillfacethe cylinderblock.

nstshoulderon flywheel.Letcoolinair.

dnotbe subjectedtotoomuchheat,as

twillbe destroyed.Ontheotherhand,it

ytoexpandthering andmakeatightfit on

TANDBALANCESHAFTASSEMBLIES.

gine,theteethon thecamshaftgear

thoseon thebalanceshaftformaright-

omtherear.Weightsare boltedtothebacks

ghtswereremoved,besuretheyareinstalled


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103/174

re installedinengine.Thecamshaftand

sfortherear orgearendof shaftsareplain,

d aregrooved.Keepthesenotesinmind

ofigure94forrelativeposition ofparts.

.

ydraulic

bearing(nooilgroovesin bushing)on

dtowardsgear.Gearsgo ontheshaftends

oulders.InstallWoodruffkeysin slotsin

ndpressgear withright-handhelicalteeth

ear withleft-handhelicalteethonthecam-

gearsmustbe awayfrombearings.Slotsin

withkeysonshafts.Screwnuts onshafts

terwhenshaftsareinstalled.

mshaftBearings.

gsarein halves.LubricatewithOIL,

,andplaceeachbearinginpositionandsnap

e bearingstoholdthemtogetherin place.

YWHEELHOUSING.

movedfromhousing,installthe newone

ardsengine.Itmaybe tappedintoplace

unditwithahammerto driveitinevenly,

ybeused.Thisflatpiece mustbethesame

maydamagethesealretainer.

RANKSHAFTFRONTCOVER.

samemannerasthe sealinstalledin

ve).

CONTROLTUBEASSEMBLY.

ydraulic

tubebrackets.Oneendofcontroltube

bracketonthis endofcontroltubewith

mshaft.Installcontroltubeleveron shaft

shaftandarm pointingtowardthesideof

ustingscrewholes.I nstallgroovepinthrough

Nextplacespringontube fromoppositeend

leversontothetubeswithpins onlevers

cketalreadyinstalled.Theseleversshould

n tube.Jfnot,inspectforburs onshaft.Place

ndofshaft.


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CE HEAVYTRACTORMl(Allis-ChalmersHB-10W)ENGINE


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fValveSeatInserts

TORTUBEDRIVEANDFLANGER

orInstallingInjectorTube


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E HEAVYTRACTORMl(Allis-ChalmersHO-10W)ENGINE

HEADASSEMBLY.

s.

MER,2-lb

ercisedwheninstallingvalveseatinserts.

ve-shrinkfit, andmustbestartedin place

ead.Seethatcylinderhead isperfectlyclean,

oreforinserts.Immersecylinderheadfor

mperatureof180Fto200 F.Placeheadbottom

oninsertincounterbore,valvesideup.

ore.NOTE:Thisoperationmustbedone

ot,and theinsertmustnotbe allowedto

driveninto place.

ubes.

tube,driveand

,on 2blocks.Installanewseal ringon

tdriveportionofinjectortube driveand

etube intoinjectoropeningincylinderhead

pperendoftube willseatonring andinto

nposition.

be.

TOR,tube,driveand

sprovidedin feetofclampingfixture

cylinderheadthrough blockstudholes

nclampmustbeovertopofdriveportionof

ger(fig.98). Loosenlocknutsonscrew

nagainsttopof driveportionoftoolso

eated incylinderheadandagainstsealring.

nwithlocknuts. Turnheadonsideand

njectordriveandflangeroverlowerend

njectortube intocounterboreatlower

mer).

rInjectorNutand SprayTip.

t)

ninstalledin head,itmustbereamed;

rbodynut andspraytip;andsecond,for

n thelowerendofthe injectornut.With

hereamerdownintothetube,turning it

reamthetubetothe propersizetoreceive

p.


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nstallation


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ctorTube

evelSeatinInjectorTube


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ocationofInjectorSprayTip

e.

tube.Setfixture oncylinderheadso

gingportionoffixtureis directlyovercenter

nthisposition withacapscrewintothe

shaftbracketbolt(3/4-in.wrench).Turn

ghtonly(seefig.100).Duringthe reaming

cutbyinstallinganinjectorin thetubeand

re101.Shoulderon injectortipshouldbe

ad.Checkfor goodseatingwithPRUSSIAN

acer,valveguide

sideupand supportitonblocksat each

e incylinderhead.Placecollaronreplacer

oland inserttoolinvalveguide.Drive valve

far ascollarontoolallows.This willcor-


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ofValveGuides

e(2)

medinplaceafter theyareinstalled.Use

ndmakea finishcutwiththefinishingreamer

TOOL,valvelapping

at


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dCleaningValveGuides

s is%2inch.Neworreused insertsmust

wheelsuchas theoneshowninfigure104.

amingvalveseatsis ineffectiveonthis

yhardvalveinsert material.Usethe45-

efacingthevalveseatsand the70-degree

atstothe standard%2-inchwidth.After

ththe grindingwheel,usethedialindicator

atsareconcentricwiththevalveguides.The

ionallyhavetobedressedtomaintainthe

dressing toolprovidedwiththegrinding

gthe valveseats,putvalvesinplaceand

uceaperfectseatwiththevalvelapping

hinfilm ofPRUSSIANBLUE,onseatsand

atto checkforperfectseating.

CamFollowerAssemblies.

NCH,open-end,V2-in.

NCH,socket,y16-in.

pring seatshavebeenremovedfrom

fromupperend ofpushrodand installover

eat,thecamfollowerspring,andtheupper


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veSeats

veSeatsforConcentricity


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ndingWheel

rollerguide inpositionandfastenwith2 cap

usinga7/16-inchsocketwrench.Dropacam

chpushrodholein cylinderhead,makingsure

theoilholeatthe bottomofthecamfollower

it willnotbecoveredbythe camroller

overonpushrod aboveupperspringseat

ut tocompressthespring(Vi-in.wrench).

ssemblyandinstalllockwireingrooveinthe

shrod hole(pliers,screwdriver).Loosen

movepushrodremovertool.Repeatfor

ssemblies.

s.

ompressorandinjector

es,andseats,andinsertvalvesinguides.

deup onacleanbenchtohold valvesin


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EHEAVYTRACTORM1(Allis-ChalmersHD-10W)ENGINE

veandSeat

andspringcapsonvalves.Install compressor

74and 75),andinstallvalvespringseat

n coppertubeswithdowelininjector

ncylinderhead.Placeclampoverstud,

he clamponmachinedrecessesininjector

edwasher(beveledsidedown)overboltin

t.Tightennutfirmly withwrench,using

ASSEMBLIES.

ockerarmsontopushrods.NOTE:The

fromthevalverockerarmsin thatthe


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andCamFollowerAssembly

tedwitha hardenedballstudanda ball

d rightvalverockerarms.Thebosson one

erarmis longerononesidethan onthe

boss goestowardstheinjectorrockerarm.

shrodsuntil oneortwothreadsofpush

rockerarm.Thisis necessarytoprevent

whenengineis turnedtoadjustvalves.Do


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E HEAVYTRACTORMl(Allis-Chaln'ersHD-10W)ENGINE

uts. Thenlubricaterocker'armshaftwith

ade,andslideitthroughrockerarms.Place

shaft(machinedsideofbrackettowards

kerarmbracketbolts.Tightenfirmly,at

bracketstogetherwiththe handtoallow

cemeasuredbetweenoneoutsiderockerarm

TubeAssembly.

cylinderhead,at thesametimeengaging

n slotsininjectorcontrolracks.Secure

oVi-x %-inchcapscrewswithlockwashers.

tesfreelyi nbearing.

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

d,7/8-in.

n toprowofholesin sideofcylinder

torsfromtopof headinholescorresponding

.wrench).Beveledbottomendoffuel

rwithtaperedseatsinfuelmanifoldinlets.

;theninstallconnectorjamnutswithnew

wrench).Installrestrictionunitonrear of

wrenches).Installfuelintakemanifoldin

estrictionunitisrequired.Placeshippingcaps

entdirtfromentering.

E,

g

n.

n.

,

,


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earingShellInMainBearingCap

TINCYLINDERBLOCK.

socket,15/16-in.,

bottomsideupon enginestand,andall

placeincylinderblockandcrankshaft,install

ngshellsin crankcase.Upperhalvesare

arked"UPPER"andwillbepositionedcor-

gatpartingline. Thrustwashersgoinrear

sonrightside whencylinderblockis

ricatebearingswithengineoil,andlay

flywheelflangetowardsrearofblock.

hellsinmain bearingcapsandlubricate

aring shellswerelubricated.Installcaps

withtangandbearingcapidentification

rside). Attachwithspecialmainbearing

y(!%6-in.wrench).Rapbearingcaps

sitionthemfirmlyafterdrawingthe nuts

r tightnessagain.Securenutswithcotter


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ylinderLinerinBlock

ERSINBOREOFCYLINDERBLOCK.

Besurecylinderlinerandshoulderrecesses

Installcylinderlinersin cylinderblockby

erbores.NOTE:Thetopof linerswillproject

ovecylinderblockface.

NRINGSONPISTON.

ndREPLACER,

ng

whichtheywilloperatetoobtain correct

emon piston.Useapistonandpush ring

ut2 inchesbelowtopofliner,andcheck

Correctcompressionringgapis 0.020inch

0.010inchto0.020inch.Fileends ofrings

ap clearance.Installcompressionringsin

rings withexpandersgoin2 lowergrooves

nandchamferedsectioninupper partof

gswith gapsinringsandexpanders

on.Usethespecialpistonring tooltoinstall

gthemonlyenoughforthem topassover


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G

0"

stonRingGap

NDREPLACER

ngsonPiston


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onnectingRodAssemblyInstallation


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eachlineronpistonfor thatcylinder

nthe connecting1rod.

ONNECTINGRODASSEMBLIES.

WRENCH,socket,1V16-in.,

andle

econnectingrod,as wellasthecaps,

1,2,3,etc.Thesenumbersidentifythe

ecylinderfromwhichtherodwasremoved.

dbeinstalledin thesamecylindersfrom

.Thesideoftherod containinggroovesto

onwhichthe numberisstampedgoestoward

enginewheninstalled.Slidethepistonring

owerendofthe pistonskirt,withflaredend

4).Turn thepistonandrodassemblyso

ectingrodaretowardthe blowersideofthe

f pistonwithwoodblockorhandleof

ocylinder.Wipecleanand lubricatecrank-

al.Installupperhalfof connectingrod

grod(uppershell ismarked"UPPER"and

achparting line).Positionrodoncrank-

earingshell (groovesforoilfromparting-

withtangofshellin grooveofcap.Putcap

pecialboltsincapandrod andtighten.Use

nchhandletotightennuts.Securenutswith

DERBLOCKENDPLATE.

H,3/4-in.

kettocylinderblock.Thenshellacoutside

platein positiononthe2 dowelsinblock.

aftandbalanceshaftendbearingsthrough

:Thefrontcamshaftandbalanceshaft

whiletherear onesarenot.Attacheach

%-x IVi-inchcapscrewswithlock

s-x 1-inch(%g-in.wrench)andtwoV2-x

wrench)withlockwashersinmid-section

ERBLOCKENDPLATE.

endof cylinderblock.Thenshellacout-

atein positionondowelswithholefor

rdsblowerside.Lubricatebearingsand


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aringShellinConnecting

ceshaftassemblies(usecarenotto damage

eboresinblock(camshafttoblowerside)

sembliesinendplatewithbores inblock

wsinendplate.Then installsix3/s-x1-inch

ersinmid-sectionofendplateand block.

eaboveandtwo belowtheholeforidler

ndtwo belowtheholeforthe dummyhub

SSEMBLY.

ENCH,socket,9/i6-in.,

asinsertedintotheborein blockinpre-

ethree,%-x 1Vi-inchcapscrewswithlock

end bearingtoblock.Thesecanbeinstalled

amshaftgear.Tightenthemfirmly.Turn

earingsuntillockingholesinbearingsaline

erblock,andinstallthelockingscrews.

AFTASSEMBLY.

with6-in.extension


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* onGears

camshaftandbalanceshaftgearsjust

ry,pullbalanceshaftandgear partlyout

earsso thatthe-'O"onthe camshaftgear

eshaftgeararetogetherwhenbalanceshaft

camshaftgear(fig.116).Securerear balance

plateandblockwiththree3/s-x 1Winchcap

IGHTS.

/2-in.

tsinfront endofcamshaftandbalance

sonshaft.Placefoldedclothbetweencam-

ars,installandtighten selflockingnutson


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dClearanceonBalanceWeights

heckendclearancebetweenendbearings

shouldnotexceed0.012inch.Ifmore than

gs.

FTGEARANDOILSLINGERONCRANKSHAFT.

.

ngeatrear endofcrankshaft.Lineup

drilledso gearcanbeinstalledonlyin the

lingerinpositionagainstgear. Boltgear

x3/s-x1 Vs-inchcapscrewswithlock

ASSEMBLYANDDUMMYHUB.

ket,3/4-in.

vecamshaftandbalanceshaftgearsuntil

ther.Turn crankshaftwithsmallbarand

tuntilthe "R"oncrankshaftgearistothe

ofGREASE,generalpurpose,(seasonal

dlergearspacerandsetit againstcylinder

n steelwasherinlinewithoilhole.Grease isto

ub andgearareinstalled.Setidler gearon

ntoothofone gearopposite"R"between


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GearandOilSlingerInstallation

turncrankshaftandgeartoroll idlergear

aftgearso other"R"onidlergearlines up

ear(fig.116). Lubricatebearingsurfaces

segrade,andslideidlergearhubinto place

wpins onhubenterholein idlergearspacers

ewithV2- x2-inchcapscrewwithlock

ersbackdowniftheyraisedwhencrankshaft

yhubsimilarto theidlergearhubin hole

atewithaJ/2-x 2-inchcapscrewwithlock

HOUSING(fig.122).

gWRENCH,socket,%G-in.

et,3/4-in.

n.

rcylinderblockendplate,idler gearhub,

al expandertoolondowelsinendof crank-

ngsquarelytowardscylinderblocksooil

xpandertool(usecare nottodamageseal)

edowels"A"in cylinderblock.Pushhousing

nstallcapscrewsandboltsasfollows:


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tionofPartsin IdlerGearAssembly

sixl/2- xSVi-inchcoursethreadcap

B"(housingtoblock,threeoneachside of

).

forthree3/s-x IVs-inchcoarsethreadcap

C"intoidlergearhub.

rthree3/s-x IVs-inchcoarsethreadcap

D"intodummyhub.

rtwo%-x 1-inchcoarsethreadcap

E"enteredfromthefrontof rearendplate

elowerhole ofeachsideofblock.

rthree%-x 3'A-inchfinethreadcap

inchboltwithlockwashers"F"at topof

tgoes inholeonleft side).


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semblyInstallation

one3/s-x 33/4-inchfinethreadboltwith

owerdriveopening.

nchfinethreadboltwithlockwasher

eofhousingand endplate.

nchfinethreadboltswithlockwashers

ft sideofhousing.(Theseboltsalso go

ortlateron.)NOTE:Donot installboltson

mblyuntilblowerassemblyhasbeeninstalled.

ASSEMBLY.

l:i1(rin.,

erdowelsprojectingfromrearflywheel

dthatflywheelcannotbeinstalledin wrong

cialcapscrews.Tightenfirmly(l:i/1(i-in.

ethroughcapscrewheads(pliers).

ING.

pilotbearing

L,engine,crankcase.grade.Shieldedside

he outsideawayfromtheflywheel.Start


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singOilSealtxpanderInstallation

eofflywheelbyhand.Placetool onouterface

vebearinginflushwithouter faceofflywheel.

EIGHTCOVER.

nceweightcover.Placecoverinposition

chcoarsethreadcapscrewswithlock

wer centerhole.

chfinethreadcapscrewwithlock

e.

nchfinethreadcapscrewswithlock

deofcover.

chcoarsethreadcapscrewswithlock

cover.

nchfinethreadcapscrewswithlock

sincover.

IVESPROCKETONCRANKSHAFT.

ot infrontendof crankshaft.Placeoil

sprocket.Usesofthammerto tapsprocket


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BoltsInFlywheelHousing

tandonkey.NOTE:Chamferededgeofoil

ardfrontofengine wheninstalledoncrank-

FTFRONTCOVERASSEMBLY.

CH,%-in.

rankshaftandagainstoilpumpdrive

gawayfromengine.Placefrontcoverover


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cationofPartsonFrontEndofCrankshaft

inderblockendplateandsecuretoblock

rsethreadcapscrewswith lockwashersin

)andthree3/s-x %-inchfinethreadcap

nupperpart.Slip insidevibrationdamper

ledendawayfromengine)andthrough

oilslinger.

EAD.

with6-in.extensionand18-in.handle

aterialfromtopofcylinderblockandout

orkoilsealinggasketstocylinderhead.Install

(gasketsurfacenexttoheadis marked

dopeningsforcombustionchambergoes

enoshellacorgasketcementoncylinder

ersurfaceofcorkgasketwithshellacor

erbracketsoneachendofhead temporarily,

ews.Setheadinposition.Removelifter

erheadstudnuts.Tightennuts firmlyand

erofheadandworkingtowardsends.

ERBRACKETS.

undbottomand insideoflifterbrackets.

nderheadandhousingswith four%(i-x


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pscrewswithlockwashers.Drawall4cap

willbetightagainst bothheadandhousing.

askets.

UELLINES.

n.

mfittings.Placeconnectornutsateachend

alllinesandconnectfuelmanifoldsto


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SORIESONENGINE

onengine18

testingfuelinjectors19

ent22

re,theaccessoriesareassumedtobe

ywerewhentheywereremovedinparagraph

moreassembliesareinstalledasoneassembly.

lationprocedureforeachassembledacces-

Removalandinstallationin someinstances

onswhentheenginehasnotbeen removed

CESSORIESONENGINE.

EMBLY.

n.

6-in.

n.

n.

n.

-in.

n.,


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E-HEAVYTRACTORMl(Allis-ClulmersHD-10W)ENGINE

ilPumpSprocketShaftAssembly

pon stand.Firstmaneuveroilpump

pportbracketinpositionon frontmain

ot installcapscrewsinthisbracketuntil

edrivesleeveonpumpdriveshaftandplace

,engagingdrivesleeveonsplinedend of

semblywithtwo%-inchnutsonthe2 studs

,two%-x1-inchcapscrewswithlock

support,andtwo%-x 3/Vinchcapscrews


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SORIESONENGINE

nletbrackettoNo.3 mainbearingcap.

aftandoil pumpdrivegearshaftasnuts

edtopreventbindingin either.Alittle

chain.Toomuchslackin oilpumpdrive

installinganequalamountofshims,made

sprocketshaftbracket,pumpbody,andinlet

earingcapstowhichthey aremounted;

ive,anewchainshouldbeinstalled (fig.41).

TLETPIPEANDBYPASSVALVEASSEMBLY.

eflangeandvalvebody.Install assembly

one5/16-x!3/4-inchcapscrewwithlock

two5/l6-x 3/4-inchcapscrewswithlock

40).

lpanand cylinderblock.Shellacgasket

eoilpanin position.Install26%6-x 1-inch

erstosecureoilpan tocylinderblock(fig.39).

VEASSEMBLY.

blyinpositioninrear cylinderblockend

ardoesnot needtobetimedwith cam-

emblytoendplate withtwo3/a-x1^-inch

hlockwashersinthe 2threadedholesin

GAGERODTUBEASSEMBLIES.

-in.

ringoilpipeassemblytofittings incylinder

port.Insertupperend ofoilgagerodtube

nnectlowerendoftubetobase ofcylinder

EMBLY(WITHFUELPUMP,WATERPUMP,

THOUSINGATTACHED).

Hsocket,V2-in.

shellacgaskettocylinderblock.Place

nandattachwithfoury16- x2-inchcap

(%-in.wrench).Attachthrottlecontrol

heninstallingupper2capscrews.CAUTION:

screws.Donot drawthemtootight.Then

etpackingflangetocylinderblockwithtwo


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EHEAVYTRACTORMl(Allis-ChalnersHD-10W)ENGINE

withlockwashers(V2-in.wrench)(figs.34

VESHAFT.

NCH,open-end,%6-in.(2)

roughblowerdrive(longestsplined end

owerdrivegearhub,until retainerring

grooveinblowerdrivecouplingcam.Install

thfour%-x 5-inchboltsandtwo3/s-x 1-inch

ers(figs.32and33).

DCOOLERADAPTER

ergasketsinplace,andthenshellacother

ooleradapterin positionandattachwith

ws,two3/s-x IVs-inchcapscrews,andone

thlockwashers(fig.31).

with8-in.extension

apterandoilcoolerhousing;then shellac

skets.Placeelementinhousing,andplace

sitionagainstadapterbracket.Slipwater

ectioninplaceatthe sametime.Attach

eight5/16-x 2%-inchcapscrewswithlock

nnectionclamp.NOTE:Itmaybenecessary

eoutletelbowto insertuppercapscrew

CONTROLHOUSING.

blyinplace.Enterforkinto weighthousing

mrearof governorweighthousing.Usenew

vernorweighthousingand betweentopof

d.Besurefrontthrustwasheris between

eninstallingthis unit.InstallthefourVi- x

ngbottomofgovernorcontrolhousingand

overandthetwol/2-x 3/4-inchcapscrews

ousingto cylinderhead.Ifgovernorweight

dfromtheblowerwhiletheseassemblies

capscrewsholdingittothe blowershould

ggovernorcontrolhousingtoassureproper

rewsingovernorweightandgovernorcontrol

BREATHERPIPE.


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SORIESONENGINE

therpipe.Slidelowerend ofbreather

tooil cooler.Boltupperendtogovernorwith

hfillisterheadcapscrewswithlockwashers.

CONTROLLINK.

in cylinderheadandslipoverdifferen-

ontrolassembly.Lockinplacewithwasher

nd linkpinthroughcontroltubelever and

26and28).

OUSINGCOVERASSEMBLY.

sitioncoversopinin governorshut-off

otindifferentiallever.Attachcoverwithfour

apscrewswith lockwashers(fig.27).

UTCHASSEMBLY.

open-end,]%6-in-

socket,3/4-in.

againstflywheel,withoilslingertoward

gflywheelpilotbearingwithOIL,lubricating,

),atthispointwillfacilitateconnectingclutch

fittingshavenotpreviouslybeenl ubricated,

neisinstalledin tractorwithGREASE,

algrade).Placemasterclutchassemblyin

assembly.Attachwith9specialVz-x IVi-inch

h)withscrewlocks.Tightenfirmlyandevenly.

elandhammer.Placeslidingblockover

gcarrierlug. Connectlubricatingtubetothis

16).

URNLINE.

n.

itting atrearofupperfuel manifold.

e toboltonlowerside ofblowerdrive

EFUELFILTERASSEMBLY.

H%6-in.

linderheadwith 2coarsethreadcap

ockwashers.Connectfuelfilteroutletline

erheadand tolowerfuelmanifold.Place

lterhousing.Makesuregasketisin proper

ngtofuelfilter headwithspecialcapscrew


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NTHANGER..

ghtcoverwithtwo%-x 2-inchcap

LETMANIFOLD.

termanifold,shellacgasketsurfacesof

donstudsandsecurewith eight3/s-inch

ASSTUBEASSEMBLY(fig.25).

H%6-in.

thermostathousingandoil cooler.Connect

olerwithtwoy16-x IV2-inchcapscrewswith

ch),andupperendto thermostathousingwith

wswithlockwashers.Bolttube tofront

thonecoursethreadcapscrew%- x1-inch

rench).

ANIFOLDANDMUFFLERASSEMBLY.

with6-in.extension

washersfromstudsinhead.Install new

onhead.Installnewexhaustmanifold

etcementnecessary),placemanifoldand

andinstallthe washersandnuts.Tighten

oltsholdingmufflersupportsto cylinderblock

DAMPERANDFANDRIVEPULLEY.

t,15/16-in.,

handle

nkshaft(hammer).Slidedamperon

perregisteringwithkey(hub toward

rcone(hammer).Placefrontconeon

twoWoodruffkeysinslotsin crankshaft.

anddrive fanpulleyontocrankshaftwith

d.Placespecialwasheronthe1- x2Vi-inch

romturningwithprybar,and installand

s possible,forcingentirevibrationdamper

leyassemblytightlytogether.

OMSTAND.

in

ne lifterbrackets.Takeweightofengine

nd removeboltsorclampsholding-engine


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SORIESONENGINE

gaccessoriescannowbeinstal

tm 9-1787a m1 tractor allis-chalmers td-10w

Documents