tm 9-787a heavy tractor m1, allis-chalmers hd-10w

8/10/2019 TM 9-787A HEAVY TRACTOR M1, ALLIS-CHALMERS HD-10W

1/261

W)

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RDEPARTMENT

December21,1942

)

onofthe

eAllis-ChalmenManufacturingCompany)

structions

34-7

eddata4-58-16

andcon-

1

ce33-4242-48

rvation.43^4449

as51-5453-55

nInstructions

mainte-

pment.56-5759- 61

7391-123

124-138

1-84139-146

equipment85-96147-130

ments....97-101181-186

brake

87-197

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tchandclutchbrake

meassem-

ke-off

nt

tionand


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ructions

tofmanual2

ructionscontainedinthismanualprovide

hargedwiththeoperation,lubrication,and

materiel.Specifications,illustrations,andde-

nregardingtheoperation,lubrication,adjust-

Groupassembliesandcomponentpartsare

ings,withdetailedinstructionsundereach

operoperationoradjustmentsnecessaryto

normaloperatingcondition.

GEMENTOFMANUAL.

cificationsandphotographsofthetractor,

cifications,andgeneraloperatinginstructions.

tionsandinstructionson adjustmentsand

befoundinsectionXXVIofthis manual.


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LATEDDATA

f thecrawlerortrack-layingtypeand

hwayorcrosscountrytravel.Becauseofits

vity,thetractorcanclimbslopesas steepas

thekindof footingavailableandtheloadbeing

dbya water-cooled,4-cylinder,valve-

gine.Amultiplespeedtransmissionisusedoffer-

gingfrom1.87 milesperhourto11.00miles

peedsof 2.05milesperhourand 4.60milesper

espeed.Thefueltankhasa capacityof156gal-

0hoursof operationwithoutrefueling.

omplishedbymeansofsteeringclutches

ountedinthecenterof thetractorwithineasy

hlevercontrolsamultiple disksteeringclutch

iveredfromthetransmissionto thefinaldrive

vablecushionsandsafetystraps andwill

randthree othermen.

ntedonthe frontofthetractorandis

ertake-offfromthetractortransmission.Acon-

ke-offisjustaheadofthe seatandineasyreach

onthetractorincludesbatteries,electric

milemeter,engineairheaterandengine pre-

rting,fireextinguisher,electricandairtrailer

tchblock,towchain,andloosetools.

bers.Theserialnumberof thetractor

clutchlever stopwhichisonthe gearshifter

earofthetransmissioncaseonthe rightside

ne numbercanbefoundona bronzeplateon

einbackofthe governor.


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ATEDDATA


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MlFrontView

power:

88.5

topnotch),84.2

18,350I b

topnotch)...20,120Ib

25,500Ib

n.

teroftracks)6 ft2in.


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LATEDDATA

MIRearView

%in.

Viin.

wbar32in.

50Ib

0,950Ib

0Ib

860Ib

0Ib

20Ib

ph)

ph)


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topnotch)

20Ib

2,170Ib

0Ib

680Ib

0Ib

0Ib

(estimated)3ft

tminimumspeed):

terclutchand steeringclutch

rclutchandsteeringclutchcom-

gability(estimated)30deg

ngability(estimated)30deg

estimated)30deg

e22V2in.

4-71RC14).

5in.

uin.

e)2,000rpm

opnotch)1,750rpm

tmaximumtorque)8001,200

s(eachclutch)30

es(eachclutch)1516.5sqin.

6 ft5%2 in.

htrack)1,542sqin.

s(pershoe) 4

ts21/3.2in.

in.

ngs2 V2in.

32

)8.27Ibpersq in.

wheelsandidlers Taperedroller


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LATEDDATA

MIBottomView


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redrum)33ftper min

(max)540

e3Aqt

ng1%gal

Vsgal


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SANDCONTROLS

e7

se8

s(temperaturenormal)10

s(temperature40Fto0 F)11

s(temperaturebelow0F)12

nditions19

0

ACTOR.

tionforanyshortageordamagewhichmay

nsitorin storage.

ORFORUSE.

oilbath cupstomakesuretheycontainthe

ofoil(par.73).

eenginecrankcase,aircompressorcrank-

naldrivegearcases,trackreleasespringhous-

andthepowertake-offhousing.

ofthe tractorinaccordancewithinstruc-

kwheels,tracksupportrollers, andfront

eansofaspecialflushinglubricatorsupplied

ershavebeenfilled withoilatthe factory,

tooperationtheyshouldbethoroughlyflushed

metalparticleswhichmightremain from

andhaveloosenedduringshipment.

sarepaintedred.


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withthecorrectfueloil.Specialcaremust

ranceof dirtorforeignmaterialswhilefilling

thcleanwater.CAUTION:Removethe

ermostathousingwhilefillingcoolingsystem.

outofmotorblockwhilewateris putin.

terrunsoutof theholeandfinishfilling.In

dardantifreezesolutioninthe coolingsystem.

eddaily andkepttotheproperstrength for

es.Theantifreezeusedshouldhaveahigher

eoperatingtemperature(160F to180F).

IESFORUSE.

ththetractor containdrychargedplates

ugsarescrewedintight andmustremainso

thelectrolyte.Keepventplugsandsealingdisks

batteryforservice;thendiscarddisks.

ocatedontopor underventplugs,and

all plugsareopen.

veseparatorswithelectrolytenotwarmer

rnishedwith tractor.)

our; then,ifliquidlevelhas fallen,add

.Screwventplugsinplace.Wipe offany

0hoursat14 amperesbeforeplacingin

ng(neverconstantpotential)forthisinitial

ACTOR.

tha lightloadduringthefirst 60hours.

operation,thetractorshouldbestoppedand

ndnuts.The steeringclutchandthemaster

dbechecked(pars.108and112).

TRUCTIONS(TemperatureNormal).

ratingcontrolsand instruments.

gengine,theoperatorshould makea

r.34).Thenproceedasfollows:

ypulling onshuttercontrollever.

ntrolforward.

op notch.

rclutchandpowertake-offaredisengaged

eutralposition.


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NSANDCONTROLS


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oon asenginefiresandbegins torun,close

rterenginespeedandallowengineto warmup.

ereaches160F,openradiatorshutter;shutter

anoperatingtemperatureof160Fto 180Fis

essure.Oilpressureshouldbe between

henginerunningat fullgovernedspeedand

gtemperature.Pressuremaydroptofiveon the

If theoiliscold,no pressuremayregisterfor

enginestarts.If thepressuredoesnotrise

ernormaloperatingconditions,theengine

causedetermined.

Fuelpressureat fullgovernedengine

30onthegage.Operatethrottleto meet

ons.

TRUCTIONS(TEMPERATURE

temperaturesofzerooralittle belowby

gineandbatteriesareingood conditionand

eproperviscosity.

ypulley andshuttercontrol.

obtoits "IN"positionandopenthrottle

pumpplunger byturningone-quarterto

kwise.

by pressingonthebuttonat leftsideof

operatepumpwithsmoothevenstrokes.

onsmustbeperformedsimultaneously.By

elpumpedthroughtheair heaterwillbe

onofrawfuelintheair boxtoaminimum.If

htheair heater,oxygenintheenginewillsoon

mewillgo outandrawfuelwill bepumped

eatershouldbeoperatedfora shortperiod

pthe engineoperatingsmoothly.

essure(par.10).

Fuelpressureat fullgovernedengine

30onthegage.Operatethrottleto meet

ons.


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SANDCONTROLS

TRUCTIONS(TEMPERATUREBE-

ero,itmay benecessarytousetheengine

d13).

assemblyonenginein placeofoneofthe

fthishas notbeendonepreviously.This

otwoparts byabaffle.Theheaterextension

t.Theloweropeningis forexhaustofheater

oughtheairbox.

heater.

ll caseabouttwo-thirdsfulloffueloil,

uel tankofthetractor.

relytopreventleakage.

poundspressurewithhandpump.

enext topreheaterfan.

nto thesocketonfrontofcowlwhichis

battery.Theheaterfanshouldstart imme-

theconnectionismaintained.

xtensiontube;thenopenneedlevalve

sejected.Ignitespraywitha matchorother

onextensiontube.

e topofintakeelbowandopen cover.

ensiontubeintointakeelbow.Openair regu-

lowhotgasesi ntoengineairboxandwill

ylinders.Fortheproperlengthof timeto

othefollowingchart:

PreheaterOn

enin operationfortheproperlengthof

dlevalveandair regulatorplate;removeplug

nintakeelbowandfastenitsecurely.Start

singtheengineairheater,as whenstartingin

ons.CAUTION:Donotattempttostartthe

heaterhasbeen removedandtheintake

eplaced.


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SANDCONTROLS

ter

aferSpray

used towarmupengineforeasy crank-

ombustionbyfurnishingwarmairtothe

tis necessarytousetheengineair heater,as

beforeitis drawnintothecombustionchamber.

boxontractor.


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nd pullengineshut-offknoballthe way

CH.

areengaged,openthe throttleandpull

utchleveruntilall slackistakenupbetween

everbackquicklyto fullextenttolock

on.

utchinaneffort topullanoverloadat

sivewearontheclutchdiskfacingsbyshifting

essary.Donot letengineidlewithmaster

engineisidling,shiftgearsinto neutraland

missionhassixforwardandtworeverse

angemakepossiblethis varietyofspeeds.

equireslittleattentionotherthan main-

bricationinstructionsarecoveredinsection

shouldbewashedwithOIL,engine,SAE10,

ed.Fillto theproperlevelwithOIL,engine,

orinlow gearfirstfora fewminutes.Drain

s(figs.14and15).Twoleversare used

ever(lookingforward)isanauxiliarylever

arsand hastwopositions,indirect(forward)

erightleveristhe gearshiftleverandhas

uxiliarygearshiftlever isinthe direct(back)

run inthird,fifth,sixth,andhigh reverse;

positionthetractorcanbe runinfirst,second,

wsthepositionof thetwogearshiftlevers

wardandtworeversespeeds:

iaryShiftLever

d(indirect)

Forward(indirect)

direct)

rward(indirect)

ck(direct)

k(direct)

kForward(indirect)

kBack(direct)

ectedandthe tractorisinoperation,further

neuntil theclutchhasbeendisengagedandthe


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SANDCONTROLS

uctionPlate

erPositions

sterclutchleverforwardandshiftgearsto

hemasterclutchleveris pushedforward,it

carrieragainsttheclutchbrakeassemblyfas-

husbringing thetransmissiongearstoarapid

fthegears enablestheoperatortoshiftwith-


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ccomplishedbytheuseofsteeringclutches

eringleverstodisconnectpowerfromeither

e desireddirectionbypullingbacktothe

eron thesidetowardwhichtheturn istobe

eclutchonthatside andshouldbedone

dexcessiveclutchwear.CAUTION:Donot

themflyforward.Donotoperatetractorwith

disengaged.Avoidexcessivewearofthesteer-

ndengagingthesteeringclutchessmoothly

AKES.

esarefor retardingthespeedorholding

heturnstationarywhenthesteering clutchon

akingtheturn.Alwaysreleasethesteering

hebrakewhenmakingaturn.Thesteering

ervicebrakesforretardingthespeedofthe

radeandtohold thetractorstationary.

.

ownsteepgradeswiththeloadpushing

steeringclutchesisoppositetothatof atractor

dto makeaturntowardtheright,the left

eleased.Theengine,beingconnectedtothe

retardingitsprogress,whilethelefttrack

velfaster.

dwhenthe loadispushingthe tractor,

oppositethesideonwhichtheclutchis

RMALCONDITIONS.

eeringclutchcompartmentsaredry

ovidedwithdrainholestodrain outanyoil

ompartmentsbyoverlubricationorother

peration,theseholesare tobeleftopen.

ater,orextremedustyor sandyconditions

etractorshould beinstalledinthesedrain

ceofdirt orwater.Theplugsshouldbe

yoilor greasethatmightaccumulateinthe

t,preventingitfromgettingon thebrake

hetractoris idleatnight,the plugsmaybe

partments,thenreplacedinthemorning.

uentlyanddrain,wash,and refillthecase

howsthepresenceofanymudorwater.


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SANDCONTROLS

ONTROLS.

eforeoperatingthewinch,theengine

ctorstopped,withtheengineclutchdisen-

ertake-offshifterleverbackuntilthe lockon

rontnotch(unwindingpositionforunreeling

ethewinchbrake,engagethemasterclutch,

om thedrum.Unreeljustenoughcableso

hedto theloadanddisengagethemaster

sattached,pushpowertake-offshifter

hesinrearnotch (windingposition).Setthe

brakepedalsdown hardandlockthemby

everlocks.Engagematterclutchandcable

NOTE:Winchcanbeoperatedineither

e tractorauxiliarygearshiftlever.Direct

winchspeed.Inindirect position,thewinch

peedwhenindirectposition andgivesacorre-

hpull.Usecautioninengagingload topre-

cessivestrainonwinch.Alwaystrytokeep

moothlyonthedrum.Stopwinchby disen-

adisto bemovedalittleat atime,cable

sterclutchisdisengagedbytheautomatic

wormshaft.If cableistightwhenpullis com-

dtorelievestrainso cablemaybereleased.

clutchandpull powertake-offshifterlever

nmiddlenotch).Set winchhandbrake

fenderforward.CAUTION:Neverpull

winchisunderload.

used onlytocontrolthedrumwhen

ifanothermachineispullingon thecable

urejawclutchis disengagedifcableis

owertake-offshaftare splash-lubricated,

iththepowertake-offdisengaged,thesebear-

tion.Therefore,whilethetractoris running,

beengagedonceadayand runafewmin-

hesebearings.CAUTION:Makesurethat

esebearingsfromrunningdryandfreezing.

KES.

edbythetractormaybe operatedeither

pendingonthetypeofbrakesmountedon


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tractorisequippedwithcompletecontrols

mforbothairbrakesandelectricbrakes.Trailer

loadbehind thetractorandarenoteffective

f.

wocontrols.The handgripontheright

0),whencompressed,operateseithertheair

ethehandcontrolon therightofdashis

brakesonly.Onlyonesystemisusedat a

erdrawnvehicleisequippedwithair orelec-

are providedforconnectingtrailerair

e leftismarked"SERVICE"andtheoneon

hecorrespondinghosesonthetrailer

esecouplings.Whentractorisoperatingwith-

eclosedand thedummycouplingshanging

edto keepdirtanddustout ofsystem.

etonthe tractoriswiredsothat when

icleequippedwithelectricbrakesisinserted,

pparatuswill operateproperlyfromtractor

ontrols.

akes.Thebrakesshouldbeoperated

entsofthetrailer.If alightbrakingeffectis

loadcontrolatthe rightofdashmaybe set

btoleft(counterclockwise)givesalighter

gknobtorightincreasesbrakingpower.The

bysqueezinggrip onrightsteeringclutch

son automatically.

Theairbrakescan beappliedeither

evergrip orbymovinghandair brakecon-

ght.Use airbrakeslightlybymovingair

orightand backhalfwayquickly.Repeat

de.Thiscausesbrakeshoestobeapplied

drumswithoutlockingandslidingwheels.

opthevehicleasquicklyaspossible,the

elsbyholdingthe leverallthewayto the

e.Thesteeringlevergrip isoperatedinthe

controlis used.

ractor shouldbedisengagedandtractor

trailerbrakesareused.Careshouldbe taken

kesare appliedevenlyandatthesametime

etractorandtrailer unit.


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SANDCONTROLS

tobeparked,especiallyona slopewhere

ing,thetractorfootbrakesshouldbeset by

ownas possibleandliftingbrakepedallever

on.

emonthe tractorisdesignedtooperate

edvehicleandthoseonthe tractor.Proper

ttherearofthe tractor.

tswitchatleft ofdashhasthreeposi-

riouslights.Whentheknobispulled outto

ckoutlightsareturnedon.Forregular service

he topoftheswitchmustbe presseddown

esecondstop.Tousethe stoplightonly,for

onand pullknobfullout.This lightgoeson

asterclutchleverispushedforwardtodis-

donbypullingout knobmarked

otfunctionunlessotherlightshavebeen

hingknobsallthe wayin.

selectricallyoperated.Asmallauto-

osedbyoil pressureassoonasthe engineis

e reachesfivepounds.Thesmallhandatthe

startr otating.Thishandindicatesthatthe

.

centerofthedial recordthenumberof

tedandare ofthreedifferentlengths.Total

dingthe numbereachhandhaspassed,the

ktoseewhichnumberthehour hand,the

ndhandhavepassed,andtherebytell the

res1,000hours ofoperationforitto

000fora completerevolution.Itstandsbe-

tesover2,000 hoursofoperation(fig.16).

numeralinthenumberofhours operated


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othernumeralsindicatedbytheposition

chin turnshowhowmanyhoursmorethan

perated.

requires 100hoursofoperationforit

000hours foracompleterevolution.In

en3and4,whichindicatesover300hours

2,000.Thesecondnumeralthenwillbe 3.

ofthelongest handtodetermineinthesame

mustbeaddedto the2,300indicatedbythe

res1 hourofoperationforit topass

cle,10 hourstopasseachnumeralor100

ution.Hereitstands onthesecondmarkpast

stobe addedtothe2,300so thatthecorrect

eftofdialwill continuetorotatefor

fterengineisstopped,oruntil oilpressure


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SANDCONTROLS

slocatedatthe leftsideofthedash and

beenteredinlogbook forrecordpurposes.

yaflexiblecableextendingfromtheback

ioncaseto aspurgeardrivenby aworm

elowertransmissionshaft.

Referto paragraph25bonreading

tershould bereadinthe samemanneras

tmileswill benotedinsteadofhours.-


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erviceinstructionsforusingarms...29

rdnancemaintenancepersonnel.... 30

nillustrations32

ninstructionsfortheHeavyTractorMl,

republishedfortheinformationandguidance

rsedeallpreviousinstructions.

ustbelubricatedinaccordancewiththe

edintechnicalmanualsand/orordnancefield

sforallpointstobe servicedbytheusing

ricationguide(figs.17and18)whichspecifies

uiredandthe intervalsatwhichtheyareto

ONANDSERVICEINSTRUCTIONS

tenanceofaircleanerisessential to

viceaircleanerasindicatedonlubrication

entsbecomeplugged,replacewithnew

towashold elements.Theaverageperiod

s,oruntil dropinfuelpressureis noted.

atedinnote 9oflubricationguide.

havetwooil filters.Latermodelshave

modelsisontheright-handside ofthe

cedasfollows:

mfilteradapterand drainfilterhousing.

offilter housingandliftoffhousing.


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fuel.Scrub withsoftbrush.Donot

entorwirebrush,as damagemayresult.

adapter.Reassemblefilter.

ed onlyinearliermodels,shouldbe

every240hoursof operation.

hell.Installnewelement.

edcapoilersshould belubricated

,crankcasegrade,every64hoursofopera-

y.CAUTION:Neveroilcommutator.

driveas indicatedinlubricationguide.

gnedto catchallironparticlesthatmight

ration.This plugshouldbecleanedand

meitisremovedto drainfinaldrivecase.

asterClutch.Washingofclutchunits

essentialtoefficientoperation.Washeach

arings.

eofsteeringclutchcompartment.

gallonsof DieselfuelorSOLVENT,

eltoabout4inchesbelowthesteering clutch

ractorfor severalminuteswithoutre-

Stoptractoranddraincompartment.

th thesameamountofDieselfuelor

peratetractorwithnoloadfor5 minutes,

tchesasoftenaspossible.Removedrainplug

rain,andpermitclutchestodry.

outbearingsandmechanism.

naldrivecompartmentwithlubricant

tionguide.

orwashingmasterclutch.Lubricatere-

agebysplashingaboutonequartof OIL,

ckofclutchassemblyandoverreleaseassem-

n fromclutchcompartment.

ON:Bearingsoftheupperpowertake-

ted.Ifthetractoris usedwiththepower

ebearingswillreceivenolubrication.Power

datleastoncea dayandoperatedforafew

sebearingsreceivelubrication.Breathercap

usingshouldbe washedperiodicallyinclean


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d

S

I

Gt

40

40-

iversal

LUBRICANTSTOBE UStD

Below0

qt.

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dServiceInstructionsonIndividualUnitsandParts

ricationandServicebelow0,referto Sect.XXV

oreapplyinglubricant.(Winch)Lubricateuntilnewgreaseis forcedfromthe

specified.CAUTION:Lubricateafterwashingtractor.

rmaintenanceofaircleanersis essentialtoprolongedenginelife.(Engine

very8hours.Cleanandrefill tocircularlevelmarkwithusedcrankcaseoilor

ade,every8to30hours,dependingondust conditions.Removeentireair

andreoil.Cleanair pipesandreassemble.Keepallconnectionstight.Empty

or morefrequentlyifrequired.CAUTION:Donotallowdirtlevelto rise

mpressoraircleaner)Removefiltermat andwashevery128hours.(Air

leaner)Removeandwashstrainerevery240hours.

illeveldailyDrainonlywhenengineis hot.Drainevery64hoursand refillto

ngineafewminutesand recheckoillevel.CAUTION:Besurepressuregage

evelweekly,excepttrackreleasespringhousing,checkevery240hours;add

eckwithtractoronlevelground.Makevisualinspectionforleakageweekly.

cemaintenancepersonnel.Drain,flushandrefillasindicatedatpointson

raining,drainimmediatelyafteroperation.Cleanandreoilgauzeinpower

IL,engine,crankcasegrade,every64hours.CAUTION;Bearingsonthe

taresplashlubricated,ffthetractoris usedwiththepowertake-offdis-

willreceivenolubrication.Powertake-offshouldbeengagedatleastoncea

minutestoinsurethatthesebearingsreceivelubrication.

RS,IDLERSANDTRUCKWHEELS RemoveplugsandflushwithLUBRI-

asonalgrade.CAUTION:Servicefrontidlerswith10 strokeseach,track

trokeseachandtruckwheelswith 6strokeseach,usingACflushing

OWOUTBEARINGS,BELLCRANKPIVOTPIN,BRAKEBELLCRANK

pose,seasonalgrade.(Steeringclutchthrowoutbearingsandbellcrankpivot

rs.(Brakebellcrank)Lubricatesparinglyevery128hours.To reachfit-

t.

CLUTCHCOMPARTMENTS Removeplugsdailyafterusing tractorto

placeplugs.CAUTION:Besurethatplugsareinplacewhenoperatingin

ngineclutch Washingofclutchunitsaboutevery240hours isessential

thefollowingprocedure:Lubricatethrowoutbearingsuntiltheyarefilled.

ofsteeringclutchcomportment.Fillcompartmentwith5gal.ofdiesel

ning,bringingleveltoabout4in.belowsteering clutchshaft.Startengine

rthfor severalminuteswithoutreleasingsteering-clutches.Stoptractor

ent.ReplaceplugsandrefillwithsameamountofcleanSOLVENT,dry-

withnoloadfor5 minutes,releasingbothsteeringclutchesasoftenas

clutchestodry.Lubricateclutchthrowoutbearingsandmechanism.Drain,

omportmentswithLUBRICANT,gear,universal,SAE90.

Removecoverattopofclutchhousing,turncrankto reach3fittings.

age!Locatedunderseat.Removeandreplaceelementevery300to5CO

eratingcondition.Besuregasketaroundthefilter housingisingoodcondi-

hroughdrainplug atbottomoftrap.(SecondStage)Removeandrenew

hours dependingonoperatingconditions.Fillfilterwithoil.Besure gasket

ingoodcondition.Opendrainplugdailyto removesedimentandwater.

replaceelementevery300to500 hoursdependingonoperatingcondition.

withend marked"top"up.Fillfilterwithfuel.install newgasket.Ifcotton

d,placewasheroverhollowstud infilterhousing.

filtersat eachcrankcaseoilchange.Removedrainpluginfilterbaseand

nutfromtopof filterbodyandtiftoff centershell.Removefilterelements.

elbeingcarefulnot toscratchordistortelements.Dryall partsandre-

ningfilter,refillcrankcasetoFULLmarkongage.Runenginea fewminutes

lymodels)Every240hoursor everyfourthoilchange,washfilterbaseand

gein secondarystagefilter.

engine,SAE30,sparinglyevery240hours.Ifremoved,lubricateoutboardbear-

engine,SAE30.

NK Drainwaterfromairtankdaily.

DSLIPJOINTRemoveguard.LubricatewithGREASE,generalpurpose,

delsIRemoveplugsandinsert fittingstolubricate.Replaceplugs.(Late

hfittings.

Whenoperatingindustyor muddyconditions,theslidingjawclutchmust

oiledwithOIL,engine,seasonalgrade,toinsure smoothoperation.

ricatecontrolshaftsandcleviseswithOIL,engine,crankcasegrade,every


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re-

re-

rpose

DLUBRICANTSTOBEUSED

ringly)


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therpointsare lubricatedatintervals

forthetractoritself.Theyshouldbe lubri-

ubricationguide.

operatingunderdustyor muddycondi-

mustbe cleanedfrequentlyandlubricated

grade,toinsuresmoothoperation.

entlyandoilwith LUBRICANT,gear,

ring.At100 hourinspectionorwhen

emble,cleanandrepackwithGREASE,ball

ssemble.

ATEDBYORDNANCEMAINTE-

assembly.Ifdisassembled,cleanand

ASE,ballandrollerbearing.

kallball bearingswithGREASE,

.

earingswith GREASE,special,high

armatureshaftsurfaceswithOIL,engine,

RDS.

structionsarecloselyfollowed,proper

actoryresultsarenotobtained,areport will

fficerresponsibleforthe maintenanceofthe

cordoflubricationservicingwillbekept

RICATIONILLUSTRATIONS.

onfittingsandmethodsof lubricationare

nclusive.


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EBEARIN

gs


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WOUTBEARINGS

tings


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tings


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kWheelwithFlushingLubricator

uckWheels


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CE

on35

36

oursofoperation37

hoursofoperation38

water39

deepsnow40

sandyterrain41

deepmud42

ficiency,itisnecessarythatthetractor

edatregularintervalsinorderthat defects

rrected,andthenecessaryadjustmentsmade

astingsorother metalpartsmayoften

depositsafterthecompletionofarun.

houldbenotedatall inspectionperiods,and

ntbeca'usetheyarenearlywornout,shouldbe

wnoccurs.

TION.

ted,the operatorororganizationper-

llowing:

agetodetermineenginecrankcaseoil

"FULL"mark,addonequartofthecorrect

isbelow"FULL."

oillevel.Addoil ifnecessary.

ezesolutionin coolingsystem.Addliquid

henradiatorcapisremoved.

forlooseboltsornuts ifrepairshave

ousoperatingperiod.

rives.Keep filledtoleveloffiller plug.

evel.Thislevelshouldbe keptbetween

onbayonetgage.


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45/261

CE

tortoolequipment.Reportanytoolsor

g.

fire extinguisher.

eratingleversworkfreelyandcorrectly.

htsandbrakesarein operatingcondition.

mentwhichtractoris pullingissecurely

orchainsarein place.

struments.Oilpressuregageshouldread

ro,ammeterzero,etc.

entsumps.

elfilters.

OPERATION.

eita habittoglanceoftenatthe operating

partsoftractorarefunctioningproperly.He

onsof abnormaloperationoftheengineand

tuateabnormally,thecauseshouldbeim-

terenginereachesoperatingtemperature(170

ouldbe25 to35pounds,fuelpressure20 to

sor fullthrottle.Radiatorshuttershouldbe

toperatingtemperature.

masterclutchengagesanddisengagesprop-

engageclutchis50 to55poundswhenengine

brakepedalsshould becheckedforclear-

sshouldbedetectedandcorrective

tely.

PERATION.

uldbeinspectedafteroperationand all

ULL."

essorcrankcasesoillevel.

vel.

l level.

evel.

aterifnecessary.

evelthreeeighthsof aninchabovesep-


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46/261

toutofcompartments.

ilcups,cleanandrefill toproperlevel.

ockstor emovewateranddirtfrom

allowany accumulatedwatertodrain

nuts,or brokenparts.

ER


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47/261

CE

ACH50HOURSOFOPERATION.

ent(par.108).

utadjustment(par.112).

115).

djustment(par.120).

tybrake(par.125).

ACH100HOURSOFOPERATION.

ent(par.87).

ustment(par.103)

r.80).

orfiltermatandwashin gasoline.Dothis

ustyconditions(par.103).

nections.

seat.Install newfilterelementsif

beisnot clogged.Removeandcleanif

earance.Adjustto0.010inch,withengine

(par.60).

RATIONINWATER.

orintowater,the operatorshouldestimate

willbe,thekind offootingthetractorwill

engthof timethetractorwillbe inthewater.

chesdeep,thetwolarge pipeplugsinthe

nstalledin thetwodrainholesin thebottom

hiswillpreventwatergetting intothesteering

smallpipeplugshouldbeinstalledin the

utchcompartment.

d,thetractor iscapableofoperatingin

ut41inches.Theends ofthefanblades,

re 41%inchesabovetheground(measured

rs).Aslongasthe fanbladesdonothit the

lt.Ifthe fanbladesdohit thewater,the

hthattheywillbendout andcutintothe

thedrain plugsshouldberemoved.

edtostand forashortwhileand thedrain

esandtrackreleasehousingsloosenedand

any waterordirthasenteredthese housings.


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48/261

eand

ter

ex-

evelof

dnever

er

lfilter

filter,

third

ssure

gged.

evelin

eat,

tilled

ter

s.Keep

als

ctions


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49/261

CE

terpump

ould

rain

m

e-

eslevel

ape.

ng

oveair

out

ery

sty

mat

cockon

tion

water

waterand

ter

one

od.

ctions


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50/261

tincoldweatherwhenthe watermight

hasenteredthesecompartments,they

out,andrefilledwith cleanoil.

asterclutchandsteeringclutchcompart-

tin tractortoolboxwhenremovedtoprevent

mwith tractorwhenagainneeded.

RATIONINDEEPSNOW.

ow,install thetwolargepipeplugsin

omofthetransmissioncasetopreventsnow

utchcompartment.Thesmallpipeplug

drainholeofthe masterclutchcompartment.

enoperatedin deepsnow,thefollowing

e:

asbecomehard-packedinthetrackopen-

ersandtruckwheelsfor anydamage.

icleforanydamagewhichmayhavebeen

hiddeninthe snow.

sand trackreleasehousingforwater

nd refillwithcleanoilif necessary.

RATIONINSANDYTERRAIN.

stall pipeplugsinthedrain holesinthe

masterclutchcompartment.

enoperatedin sandyterrainanddust

owinginspectionshouldbemade:

removeanyaccumulateddirt.

cleanand refillwithnewoilif necessary.

ers.Cleanfiltersorreplacefilteringele-

RATIONINDEEPMUD.

ud,install thepipeplugsin thedrain

aseandthe masterclutchcompartment.

enoperatedin deepmud,itshouldbe

dremoved,andthefollowinginspections

ngstodetermineif theyhavebecome

veanymudpresent,andlubricatepart.

wheelsforfree movementtodetermine

ayintothebearings.

sand trackreleasehousingforwaterand

efill withcleanoilifnecessary.


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SERVATION

mustbekeptof eachmotorvehicle

epartment.ForthispurposetheOrdnance

o.7255),generallycalled"LogBook,"is

ndmustaccompanyitatall times.This

erecordofthevehiclefromwhichvaluable

perationandmaintenancecosts,etc.,isob-

ommandersmustinsistthatcorrectentries

bituallybe keptinacanvascovertopre-

orsoiled.

epagebearingarecordofassignment

entering acombatzone.Allotherreferences

rdingtheidentityof theorganizationmust

hesourcesofgreatestwearto avehicle.

reallowedto accumulate,particleswill

ring surfaces,causingunnecessarywear,

remedied,willsooncauseseriousdifficulty.

rtsoranyotherunit, inmakingrepairsand

ourseofinspection,workingjointsor bearing

,alldirt andgritthatmightfind itswaytothe

stbecarefullyremoved.Thetoolsmustbe

ysbetakentoeliminatethe possibilitiesof

eopeningwiththesleeveor otherpartof

keddirtandgrit, hardenedgrit,orroadoil,

ng,appliedwithcloths(notwaste)or abrush.

epwater fromenteringelectricalaccessories

etc.Detailedinformationoncleaningis

gswhichhavebecomecloggedshould

wire.Woodshouldneverbeusedfor this

kelyto breakoffandpermanentlyclogthese

shouldbetakentocleananddecontaminate

ughtina gasattack.SeesectionVIIIfor


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7

es50

ntedbeforeissuetothe usingarmsand

ryearwillordinarilybeamplefor protection.

ismaterielwillbe paintedwithENAMEL,

erless.Theenamelmaybeappliedoverold

d oilpaintpreviouslyissuedbythe Ordnance

s insatisfactoryconditionforrepainting.

suallyissued readyforuseandare ap-

heymaybebrushedonsatisfactorilywhen

nalpackageconsistencyorwhenthinned

volumewithTHINNER.Theenamelwill

hinnedwith15percentbyvolumeof

stnotbeusedas athinnersinceitwill

inthisenamel.)Ifsprayed,it drieshard

inV4hourand drieshardin16 hours.

npaintingiscontainedinTM9-850.

TING.

materielisin poorcondition,itismore

aintfromthesurfacethantouse sanding

terstripping,itwillthenbe necessaryto

etic,shouldbeusedonwoodasa base

Itmaybeappliedeither bybrushingor

actorilyasreceivedor aftertheaddition

ntbyvolumeofTHINNER.Itwillbe dry

utes,andhardin5 to7hours.Forspraying,

tmorethan15percentby volumeofTHIN-

eappliedtothe PRIMER,ground,synthetic,


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53/261

-inhibiting,forbaremetal,shouldbe

oat.Itsuseandapplicationis similartothat

babove.

paintingdependspartlyontheselection

olargelyuponthecareusedi npreparingthe

lparts tobepaintedshouldbefree from

e,oil,andalkali,andmust bedry.

FACES.

dofcleaning,theyshouldbe washed

ingofVzpoundofSODAASHin 8quarts

alentsolution,thenrinsed inclearwaterand

odpartsinneedof cleaningshouldbetreated

e alkalinesolutionmustnotbeleft onfor

ndthe surfacesshouldbewipeddryassoon

Whenartilleryor automotiveequipmentisin

redinspots, thebadplacesshouldbetouched

olive-drab,lusterless,andpermittedtodry.

nbesandpaperedwithPAPER,flint,No.1,

EL,synthetic,olive-drab,lusterless,applied

hlybeforethematerielis used.Iftheequip-

allpartsshouldbethoroughlysandedwith

valent,givenacoatof PRIMER,ground,

odryforat least16hours.Theywillthen be

flint,No.00,wipedfreefromdustanddirt,

L,synthetic,olive-drab,lusterless,applied

hlybeforethematerielis used.

AGE.

jorconsiderationinpaintingordnance

tionsecondary.Thecamouflageplanatpresent

ctors:color,gloss,andstenciling.

aintedwithENAMEL,synthetic,olive-

schosentoblendinreasonablywellwith the

enamelmakesavehicledifficulttosee

velygreatdistancesoverland.Avehicle

sypaintcanbedetectedmoreeasily andat

ncilnumbersonvehicleshavebeenelimi-

ephotographedfromtheair.A blue-drab

whichcannotbeso photographed.Itis

ancesexceeding75feet.


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54/261

e.

bbingmustbe avoided,asitwillsmooth

gloss.Thevehicleshouldnot bewashedmore

ouldbetakento seethatthewashingis done

softrag.Thesurfaceshouldneverbe rubbed

t,oragloss willdevelop.

vehicles,paintedwithlusterlessenamel,

eswerekeptwhenglossypaintwasused.A

asesthecamouflagevalue.Greasespotsshould

T,dry-cleaning.Whateverportionofthespot

uldbeallowedto remain.

ax-treatedtarpaulinsonthesidesof a

gloss,whichshouldbe removedwithSOL-

intingwitholive-drabpaintwill be

thblue-drabpainttwiceyearly.

s,thepaintmaybecomesothickas to

es,presentinganunsightlyappearance.If

eold paintbyuseof alime-and-lyesolution

r REMOVER,paintandvarnish.Itis

eoflyeor otherpaintremoverbecompletely

uipmentbeperfectlydrybeforerepaintingis

thattheuse oflyesolutionsbelimitedto

onwood,thelye solutionmustnotbeal-

acefor morethanaminutebeforebeing

hesurfacewipeddrywith rags.Crevicesor

ledwith puttyandthewoodsandpapered

facesthuspreparedshouldbepaintedaccord-

ph,47.

NGDEVICES.

oilholes,andsimilarlubricatingdevices,

ree-fourthsofaninchin diameterateach

paintedwith ENAMEL,red,water-resist-

ybereadilylocated.


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AS

tomotivemateriel54

RES.

stantdangerofgasattack,unpaintedmetal

dwithengineoil.Instrumentsareincluded

otectedbyoilfromchemicalcloudsorchemical

at theoildoesnottouch theopticalparts

rcanvasfittings.Materielnot inusewill

sfaras possible.

acticallynoprotectionagainstmustard

oilcloth,forexample,willbe penetrated

ger theperiodduringwhichtheyareex-

gerofwearingthese articles.Rubberboots

tedwithmustardgasmayoffer agrave

emseveraldaysafter thebombardment.Im-

sistpenetrationmorethananhour,but should

his.

sof materielthathavebeenexposed

andlewisitemust becleanedassoonaspos-

leaning,orALCOHOL,denatured,and

then becoatedwithengineoil.

chemicals(mustard,lewisite,etc.)from

psshouldbetaken:

ES;

onsacompletesuitofimpermeablecloth-

kwillbeworn.Immediatelyafterremovalof

withsoapandwater(preferablyhot)mustbe

vecomein contactwithmustard,ifevena

gets intotheeye,orif thevaporofmustard

perativethatcompletefirst-aidmeasuresbe

utesafterexposure.First-aidinstructionsare

21-40.


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mustardwillbe decontaminated.Ifthe

sbeenexposedtovaporonly,itmaybe de-

intheopenair,preferablyin sunlightfor

e cleanedbysteamingfor2hours.If the

sbeencontaminatedwithliquidmustard,steam-

required.Variouskindsofsteamingdevices

aterialsavailableinthefield.

materielofdirtthroughthe useofsticks,

urnedorburied immediatelyafterthisopera-

terieliscoatedwithgreaseor heavyoil,

eremovedbeforedecontaminationisbegun.

otheravailablesolventsforoil shouldbe

endsof sticks.

ntedsurfacesofthematerielwithbleach-

gonepart AGENT,decontaminating(chlo-

twater.Thissolutionshouldbeswabbed

thoroughlywithwater,thendry andoilall

tsand instrumentsexposedtomustard

aminatedwithAGENT,decontaminating,

partsolidtofifteenpartssolvent(ACETY-

thisis notavailable,usewarmwater

onmustnotbeused,becauseofits corrosive

ceslightlywithengineoil.

econtaminating(chlorideoflime)is not

etemporarilycleanedwithlargevolumesof

ardlyinginjointsor inleatherorcanvas

ythis procedureandwillremainaconstant

materielcan beproperlydecontaminated.

materielinthis mannerliesunchangedonthe

tthecontaminatedareabeplainlymarked

abandonment.

minatingofmaterielcontaminatedwith

ompoundsintothesoil,poisoningmanywater

eithermenoranimals.

bingthathasbeen contaminatedshould

thbleachingsolution.Intheeventthis treat-

benecessaryto burnorburysuchmateriel.

ndecontaminationiscontainedinFM

1941,Decontamination.


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AS

SFORAUTOMOTIVEMATERIEL.

ensubjectedtogasattackwiththe engine

ouldbe servicedbyremovingtheoil,flushing

ng,andrefillingwiththe propergradeofoil.

dbecleanedin thesamemannerasout-

hionswillbediscarded.

entsthoroughlywithbleachingsolutionis

einthefield.Operatorsshouldconstantlybe

under conditionsofhightemperatures,for

ustardorlewisite.

cleswillbedecontaminatedwithbleach-

aybenecessaryafterthisoperation.


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nstructions

NMAINTENANCE

ceandrepairsbythe crewandotherunits

minedbytheeasewithwhichtheprojectcan

ountoftimeavailable,weatherconditions,

mentavailable,theskillofthepersonnel,and

hmaybepresent.

owareincludedin orderthattheopera-

rectlyinterpretedbythosedoingthe work.

aning,lubricating,tighteningboltsand

adjustmentsofsubassembliesorassemblies

kingrepairsto,or replacementsof,a

mblythatcanbeaccomplishedwithoutcom-

subassemblyorassembly,anddoesnotre-

eting,machining,fitting,and/oralining.

movingthepart,subassemblyorassembly

ingitwith anew,reconditioned,orrebuilt

maybe.

mpletelyreconditioningandplacingin

unserviceablepart,subassemblyorassembly

ding,riveting,machining,fitting,alining,

intenancedutieswhichmaybeper-

ersonnel.NOTE:Theusing armpersonnel

dreinstallan engineortransmissionassembly.

ntofanenginewithanotherengine,orthe

sionassemblywithanothertransmission

ebyusing armsunlessauthorizationisre-

sonnel.


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NMAINTENANCE

place

Cleanandservice

ar.59)Replace

Adjust

fler(par.62)Replace

ndreplace

eor replace

ce

rreplace

s(par.71)Repairor replace

ceorreplace

eorreplace

r.75)Replace

e

dflush

r.78)Replace

eplace

place

r replace

ace

e

orreplace

ce

unit(par.88).. ...Replace

par.89)Replace

e

ce

e

ace

ervke,or replace

irorreplace


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MENTS

Replace

8)Replace

9)Replace

0)Replace

ace

ESYSTEM

(par.103)Serviceorreplace

3)Replace

r.104);... .Replace

ar.108)Adjustorwash

12and113)Adjustor wash

)Adjust

r.118)Adjust

MEASSEMBLY

ceor replace

ar.120)Adjust

rviceorreplace

21)Replace

122)Serviceorreplace

e

eplace

eplace

)'.Adjust

eplace

o50)

on maintenanceofthetractor,specific

eoflockwashers,cotterkeys,andsafety

dthatwhenevertheseitemsareremovedthey

placedatassembly.


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UIPMENT

6

ATION.

e furnishedasstandardequipmentwith

boxesonthetractor.

on

uction,(1)Inbox

,(1)Inbox

ckcushions(2)Inbox

edwithvalvelifterand

ntool box

pe(1)In box

hhose,levertype(1)In box

udes:Intoolbox

ming(1)

1)

bing(1)

toolbox

n.WRENCH,open-end,s/8-in.

n.WRENCH,open-end,'/8-in.

(1)

32-in.WRENCH,open-end,1-in.

hhose(1)Inbox

box

nbox

gseatbackcushions(4)Inbox

box

ctorremoval(1)..Intoolbox

tachingseatbackcushions(4)Inbox


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UIPMENT

tion

g(1)Intoolbox

)Intoolbox

toolbox

.(1)Intoolbox

1)Intoolbox

ntoolbox

ntoolbox

et(1)Intool box

djusting(1)Intoolbox

ntoolbox

goilsforuse inpositiveseal

,andfinaldrivesInbox

tools andequipmentshouldbekeptin

dconditionmaybe knownatalltimes.Items

eableshouldbeimmediatelyreplaced.All

dbecleanedandin properconditionfor

turnedtotheir location.


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ata58

fler62

actor63

ctor64

ONANDDATA(figs.28to32).

orisawater-cooled,2-cycleDieselwith

nginediffers fromtheconventional4-cycle

ofEngineShowingCirculationofAir


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Side

nlytwostrokesofthe piston,oneupandone

ratingcycleinsteadoffourstrokesas inthe

cleengine,intakeandexhaustoccurtogether

ottomofitsstroke;everyupstrokeis acom-

wnstrokedeliverspower.Thustheintakeand

ycleengineareeliminated.The2-cycle

asesandfillsits cylinderswithfreshair,not

e engineitself,butbymeansofa rotary

htside oftheengineanddrivenfromthe

pistonnearstheendof itspowerstroke,

reachcylinder)inthe cylinderheadopen

o escapeandthepistonuncoverstheintake

hecylinderwall(64holes ineachcylinder

omtheblowertorushi n,forcingburned

austvalvesandfilling thecylinderwitha

28).Asthepistonrises onthecompression

keports, theexhaustvalvesclose,andthe

edintoone-sixteenthofitsformervolume.

heairtobecomeextremelyhot.Achargeof


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tView

thishotcompressedairbythe injector,just

hetopof itsstroke.Thefuelis ignitedby

theexpansioncausedbythecombustionof

epistondownon itspowerstroke.

adilyaccessible.Ontheright-handside,

or'sseat,arelocatedthe blower,engine

ondandthirdstagefuelfilters,lubricatingoil

rpump.Theair compressor,starter,airheater,

dontheleft-handside.


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View

rpump aredrivenbythelowerblower

compressoraredrivenbyV-beltsfroma

ndthegeneratoris drivenbyaV-beltfrom

dtiminggearcoverare bolteddirectly

derblock.Lifterbracketsareprovided,at-

ylinderhead.Theseareusedin theremoval

e.


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otors4-71RC14

dry(approx.)1,865Ib

orsepower(enginealone)110.0

5in.

u.in.

percylinder2

ation(cranking)1-3-4-2

edfromoperator'sseat):

ise

se

kwise

ockwise

crankshaftspeed:

CESSIVEVIBRATIONOFENGINE.

Remedy

eckfuelsupplyandniters

njectors(par.70).

ualizeinjectors(par.70).

Adjustvalveclearance(par.60).

yordnancepersonnel.

firing.Inspectfuelsupply(par.66).

pectfor looseconnections


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supply.

dposi-

ngine.

nt.

stment.

ar.68).

gtem-

gin

(par.

75).

el.

el.

.

el.

el.

el.

el.

XHAUST.

viced.

askets

3). PublicDomain,Google-digitized

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Remedy


ceinjector(par.70).

Adjustvalveclearance(par.60).

ordnancepersonnel.

HAUST.

s.Checkfuelsystem(pars.66and

mbus-Notifyordnancepersonnel.


KNOCKS).

njectors(par.70).


njector(par.70).

tingrodNotifyordnancepersonnel.

.Adjustvalveclearance(par.60).

mbus-Notifyordnancepersonnel.

BLY.

erockerarmsfor eachcylinder.Thetwo

haustvalvesandthe centerrockerarm

threerockerarmsforeachcylinderoperate

dby twobrackets.AspecialVz-inchhollow

kettothecylinderhead.Theremovalof

mitsthebracketstobe removedfromtheshaft

vedfromtherockerarms.Therockerarms

ngaccessto theinjectorandvalveassemblies.

smaybereplacedbytheusing armpersonnel

.

Assembly.

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

n.WRENCH,socket,3A-in.

SANDHOOD.Refertoparagraph70d and

MCOVER.Unscrewthetwohandscrew-

ocylinderheadandlift offcover.


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CKNUTS.

n.

evisonpushrods.

ELLINES.

n.

ectorsatbothendsof injectorfuellines

ippingcapsonfittingsfrom whichlineswere

neRemoved

AFTBRACKETS.

wsholdingtherockerarmassemblytocylin-

kets.

oveshaftbyslidingitoutof rockerarms.

MASSEMBLIES.Unscrewpushrodsfrom

erarms.

pen-end,V4-in.

RENCH,open-end,Vz-in.

socket,%-in.


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pScrewsfrontRockerArmBrackets

SONPUSHRODS.Screwthepushrodsinto

at theendoftherod isflushwiththetop of

evis.NOTE:Thisisveryimportantbecause

weenthevalveheadandthe topofthepiston

opofits stroke.Itispossiblefor thepiston

alve,resultinginconsiderabledamage,if

downfarenough.The injectorrockerarm

ndballseatwhichforma universaljoint.

HROCKERARMS.Iftheoriginalshaftis

he greatestevidenceofwearup.

haft,smoothsidetowardsrockerarms,and

ownfirmly.Asthe bracketsaretightened

gether,allowingonlyslightclearancebetween

ets.Atotalof 0.003-inchto0.006-inchclear-

RFUELLINES.

n.

sandinstallthefuel lines.


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kerArm

ANCEANDTIMINGANDEQUALIZEINJEC-

valveclearanceadjustment,andparagraph

qualizing.

learanceisimportantbecauseofhigh

velopedinaDieselengine.Toolittleclearance

on,"missing,"andeventualburningofthe

omuchclearanceresultsinnoisy-engineop-

clearanceis0.010-inchatoperatingtempera-

sadjustedbyturningthe pushrodinthe

hangesthelengthoftherod.Turn thepush

valveclearance(lengthenrod),andtothe

e(shortenrod).Followthestepsoutlined

rancecorrectly.

pen-end,V2-in.

6-in.

LINJECTORIsATBOTTOMOFSTROKE.

startingmotor untiltheinjectorplungeris

ockerarmdown).


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ETWEENROCKERARMANDPUSHROD.

pen-end,Vt-in.

6-in.

ageandadjusteachpush roduntilthegage

alvestem andtherockerarm.

ceAdjustment

n.WRENCH,open-end,V2-in.

locknut.Checkagaintoseeif 0.010-inch

dbetweenthevalvestem androckerarm.A

onfeelergage.

eachcylinder.

orisofthe mechanical,flyballorfly-

o controlengineidlingspeedandtolimit

nderthevariableloadrequirements.

ustedunnecessarilybecauseoffailureto

ritiesinengineperformancemayresultfrom

reoftenaredueto othercauses.Agovernor,

willseldomrequireattention.


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shouldnot attemptanyadjustmentor

nor.Allotherpossiblecausesofirregularen-

beeliminatedfirst,andifthe governorisstill

portitto theordnancepersonnel.

ANDMUFFLER.

stmanifoldisinone sectionandisheld

%6-inchstuds,nuts,andspecialwashers.

emanifoldwithfourVz-inchcapscrewsand

edateachendby supportsfromthecylinder

lsoa mufflersupportstrapbetweentheex-

ffler.

tsfromMufflerClamp


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6-in.

with

AMP.

n.WRENCH,socket,%6-in.

mclamparoundmuffler.

.WRENCH,socket,3/4-in.

wsholdingmufflertofrontsupport,two

elbowtomuffler,andthefour capscrewshold-

ar supportandmanifold,andremovemuffler.

ffler

withextension

ts holdingmanifoldtocylinderheadand

PPORTS.

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

ndnutsfromboltsholdingsupports to


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austManifold

andremovesupports.NOTE:Becausethe

nthe muffleraresubjectedcausesthemto

advisabletoleavethemufflersupportsat-

manifold,unlessrepairor replacementof

ssary.Removethecapscrewsandnutson

o thecylinderblockendplateandremove

foldandsupportsasaunit.

n.

.

with

leanalloldgasketsoffmanifoldandhead.

hersfromstudbolts inheadandplacenew

orgreaseis unnecessary.Placemanifoldon

evenly.

PPORTS.Putsupportsinplaceand install

kwashers,butdonottighten nutsorcapscrews.


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.WRENCH,socket,%-in.

washersthroughfrontsupportand back

WRENCH,socket,3/4-in.

gmufflerbrackettomanifold,first.Then,

nuts inmufflersupports.

AMP.

erbodyandmanifold,installbolts,lock

hten.

FROMTRACTOR.

ox,%-m.with

et

nd,3/8-in.

pen-end,'/l6-in.

d%,,-in.

ENCH,open-end,s/8-in.

Hopen-end,n/1-in.

CH,open-end,%-in.

CH,socket,s/8-in.

EM.Opendraincocksinlowerconnector

SANDHOOD.

NCH,open-end,%,rin.

wrenches)andliftprecleanersoffpre-

Loosenboltsateachcornerofhood(%R-in.

psand lifthoodoffoverexhausttail pipe

s.61and62).

TFENDERS.

enderand threeboltsandonecap

movefenders(fig.74).


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ESHAFTGUARDANDGUARDSUPPORT

H,1-in.

guardbyremovingthethreebolts atrear

s)andthreecapscrewsatfront (%8-in.

capscrewsholdingbrackettoradiatorshell

movebracket.Removethetwocorrespond-

e holdingradiatorshelltoenginesupport.

NDUPPERRADIATORHOSE.

alfrombatterypost.Disconnectheadlight

onnectorcanbefoundneargenerator.Loosen

rhoseand removehosefromthermostat

ORTBOTTOMCOVER.

sholdingcovertoenginesupport.It may

romsupport(fig.88).

WATERCONNECTION.

wsholdingconnectiontooilcoolerinlet.

RILLE.

-in.

socket,s/s-]n.with

on

achside fromboltsholdinggrilleto radia-

nthetworemainingcapscrewsholding

port(1-in. wrench)andtilttopofradiator

sfan.Driveoutthe T-headboltsfromwhich

mer,punch),takingcarenottodamage

(rope,chainhoist).NOTE:Thelower

uldbe removedlast,asgrillewillhave to

owthisboltto passunderflangeonwinch

LY.

shuttercontrolrod(pliers)and pull

ardaspossible.Removethethreecapscrews

embly(fig.81)to balanceweightcoverof

movebeltsfrompulleyandliftout fan

ttercontrolrod,asradiatorislifted out.


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ASSEMBLY.

-in.

wspreviouslyloosenedoneachsideat

n.wrench).Placeropearoundradiator

adiatorassembly(chainhoist).

ROLRODS.Disconnectthrottlecontrolshaft

movingcotterpin andyokepinconnecting

isconnectshut-offbellcranktoairshutter

gcotterpin andyokepinconnectingthe

tlever.Disconnectshut-offbellcrankto

cotterpinandyokepin connectingtherod

NES.

n.WRENCH,open-end,Vs-in.

singfuelshut-offcockundertank.Dis-

elinefromfittingat topofthirdstage filter

es),takingcarenottotwistflexiblehose.

ndstagetothirdstagefilter (3/4-in.and%-in.

xibleengineoilpressureline atunionto

ofcowl(3/4-in.and7/8-in.wrenches).Dis-

rgelinefromsecondstagefilter(%-in.

pumpinletandfuelreturnlinesfrom con-

wlonenginesupport(%-in.wrench).

AGETUBE.

1-in.

ogagetubefromrearend ofwatermani-

ELBOW.

/16-in.

screwdriver)andremovefourcapscrews

nch).Removeelbow.Stufflargeclothinto

ntanyforeign matterfromentering.

ATERFUELLINE.

nWRENCH,open-end,%6-in.

ineatrear ofcheckvalveunderneathair

.Removeclipandcapscrewholdinglineto

6-in.wrench).

COVERANDDISCONNECTCOILWIRE.

Hopen-end,3/8-in.

heatercover(Vi-in.wrench),


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D

ermoGageTubefromWater

fc

'.

Wires,Lines,andControls


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twirefrombottomofcoil(%-in.wrench)and

nch).

INGMOTOR.

fromstartingmotorswitchterminal.Tape

ventits contactingmetal.Liftammeterand

olwirefromterminal.Disconnectthestarting

vingcotterpinand pin(pliers)fromthe

ROMVOLTAGEREGULATOR.

omvoltageregulatortoammeter.

CH,open-end,%-in.

Hopen-end,%-in.

sfromfittings ontopofair compressor

es)andremoveboltsfromclipholdinglines

(%6-in.andV2-in.wrenches).

UTCH.Themasterclutchmustbeengaged

willclearclutchshaftwhenengine ismoved

actor.

SPECTIONHOLECOVER.

ndliftofffloorplate overinspectionhole

movefourcapscrewsfromcoverovermaster

n.wrench).Removecover,pullcotterpin

infromend ofmasterclutchcontrolrod

RELEASEBEARINGLUBRICATINGTUBE.

ngtubeontopof clutchhousingandpush

chcompartment.Preventtubefromturning

nut(fig.43).

EFROMSPACER.

ox?%6-in.,with

sholdingenginetospacer.NOTE:The

aybemosteasilyremovedwitha 90-degree

.Theoffsetwrenchcanbeplacedbetweenthe

alizerspringtoremovethecap screws.Turn

hoppositeendofwrench.


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EBEARING

LocationofEngine-to-SpaeerCapScrews

tsfromFrontEngineHanger


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MFRONTENGINEHANGER.

%r>-m.

mthefrontengine hanger(Vs-in.and

otorslightly,andtakeouttheshimsfrom be-

.

ACTOR.

edbya chainhoistandropeconnectedto

nehighenoughtotakeweightoff enginesup-

wardfarenoughso thatmasterclutchthrow-

utchshaft.Enginemay thenbeliftedfrom

fromTractor


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GINEINTRACTOR.

backintotractor,washdirtand grease

dmasterclutchcompartment.Atthesame

pportassembly,enginespacer,andmaster

assembliesincludedinthem,andifanyrepair

,doit beforeengineisinstalled.Checkengine

tboltstosee that-allaretightandnonemissing.

assemblytoenginesupport,tightenorre-

lsoinspectwiringandfuellines ontractor

placement.

n.

-in-

n.

n.

n.

-n.

n.

n.

6-in.

with

6-in.,

g

6-in.

LACE.

beengagedinorderto installengine.

lowerengineinto positionuntilthehole

arrierlinesup withendofclutchshaft.Start

g

clutchshaftwiththesplines indriven

Crankshaftwillhavetobeturnedto do

h.Lineupslidingblocksonrelease bearing

outyoke.Pushenginebackuntil sliding

utchshaftentersdrivenmemberhub.

SPACER.

6-in.,

.


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apscrewswithlockwashersholding

espacer(two%e-in-wrenches).Tightenthem

chainhoistandchain.

FRONTENGINEHANGER.

-in.

enginewasremoved.Crowdasmany

aisingfrontof enginebetweenfrontengine

pport.Then,raisefront ofenginewithchain

m toeachside(shimsare %2"m-thick).

hboltswithlockwashersholdingengine

esupportbracket(fig. 44).

EARINGLUBRICATINGTUBE.

-1n.WRENCH,open-end,* %,,-in.

catingtubethroughholein spacerand

ut(fig.43).

TCHROD.

osubleverwithpin andcotterpin.

CHANDCLUTCHBRAKE.

n.

2)

TCHINSPECTIONCOVER.

ctioncoverandgasketwithfourVz-x

ockwashers.

BOW.

ENCH,n/1-in.

lowerintake.Installairintakeelbow

akehousingwithfour%- x1-inchcap

%fi-in.wrench).Slidehosecouplinginto

etpipe andtightenclamps(screwdriver).

OD.

ktoairshuttershaftl everrodbyinstalling

nectingtherod totheairshutter shaft

llcranktogovernorrodbyinstallingyoke

therodto thegovernor.


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n.WRENCH,open-end,%-in.

servoirto leftsideofcompressor(V8-in.

ernorlinetocompressoronrightside(%-in.

MOTOR.

rcontrolrodtostarter leverwithpinand

tbatterycable,electrictrailerbrakecable,

ngmotorswitchterminal(%-in.wrench).

R.

Hopen-end,9/16-in.

n.(2)

n.

eat checkvalveatbottomofunit(two

ctcoilwireto coilterminal(3/8-in.wrench).

two ^B-x27/8-inchcapscrewswithlock

nstallairheaterfuellineclip toflywheel

housing(%8-in.wrench).

VOLTAGEREGULATOR.

arnesstovoltageregulatorterminaland

S.

n.WRENCH,open-end,%-in.

eto connectionatrightsideofcowlon

n.wrenches).Connectfuelreturnlineto

lonenginesupport(.%and 7/s-\n.wrenches).

argeline byconnectingtofuelpumpand

-in.wrench).Installfuelline betweensecond

tagefuelfilter(Vs-in.wrench).Connectfuel

agefuelfilter(%-in.wrench).

NGOILPRESSUREGAGELINE.

.

pressuregagelineto connectionatright

olding gagelinetothe linebetweenthefuel

.

CONTROLROD.

odtocontrolbracketarm-onthecowlwith


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GETUBE.

-in.

rearofwatermanifoldandtightenjam

TOPOSITION.

-in.

ntopositiononfrontofengine support.

- x1%-inchcapscrewswithlockwashers

support,butdo nottighten.Removechain

BLYANDCONNECTRADIATORSHUTTER

sting

eltsin fanpulleyandinstallfan assembly

iththreeVz-x2V4-inchcapscrewswithlock

Adjustbeltssoonesideof beltcanbede-

lley(%-in.wrenchandfanadjustingwrench).

odand radiatorshutterleverandsecurewith

GRILLE.

socket,s/8-in.,with

on

ouchesfan.Setgrilleinposition andinstall

ockwashersholdingradiator grilletoshell

rench).Installlowerleft-handboltfirstas

edtotheleftso thatthisboltwill passflange

ATORHOSE.Shellaclowerendofhoseand

singoutlet.Fastenclamp.

SHOLDINGRADIATOR.

-x 1%-inchcapscrewswithlockwashers

onottighten.

ESHAFTGUARDBRACKET.

ENCH,1-in.

ndinstall two%-x2-inchcapscrewswith

oenginesupporton leftsideofradiator,

bothsides(1-in. wrench).Tightenhoseclamps


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TERCONNECTION.

oolerinlet andinstalllowerwaterconnec-

capscrewswithlockwashers.

PORTCOVER.

omcoverandsecurewithsix S/B-x1V2-inch

ers.Seethatcrankcasedrainplugis tightin

TWIRES.Connectheadlightwiresatcon-

M.Closedraincocksandfillcoolingsystem

wfreezing,antifreezesolution.Removepipe

whilefillingsystem.Install plugwhenwater

hfillingradiator.

COMPRESSORCRANKCASESWITHOIL.Fill

L"markonoillevelbayonetgagewithOIL,

3qt).Fillair compressorcrankcasetolevelof

Seelubricationchartsforspecifications

S.

ENCH,open-end,Vt-in.

'm.

datthis time.Removerockerarmcover,

dfollowprocedureoutlinedinparagraph70.

DERS.

r l/2-x1Vi-inchboltswithlockwashers.

eVz- x1Vi-inchboltsandonecapscrew

boltsandcapscrews.

ESHAFTGUARD.

ENCH,3/4-in.(2)

ardinplace.Install three3/8-x1-inchcap

holdingguardtofrontbracket(%6-in.wrench).

olts(two %-\n.wrenches)andoneV2-x

hers(two3/4-in.wrenches)holdingrearend

r.

fuelshut-offcockundertank.Fasten

ontobatterypost.Checkallwires,fuellines,

eyareallconnectedandtight,andstart engine


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s71

sofa fueltank,sedimentsumps,fuel

sand injectors.The156-gallonsupplytank

sumps,drains,anda fuelshut-offvalve.The

assembly,consistsoftwofilters,exactly

etboltedtothe transmissioncase.Thereare

econdstage filter,fastenedonthefrontofthe

ter,bolted totheengine.Thefuelpump is

S

agram


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owerandisdrivenby thelowerblowerrotor

hebottomofthefuel tankandthrough

efuelpump.Thefuelis thenforced,under

throughthesecondandthird stagefiltersto

he sideofthecylinderhead.Fromthis mani-

essure,to theinjectors,throughaporous

njector.The surplusfuelleavestheinjector

onzefilter andreturnsthroughthereturn

fuel returnlineto-the fueltank.Thiscon-

helps tocooltheinjectors,warmsupthe

ketsinthe fuelsystem.

kislocatedat therearofthe tractor

U.S.standardgallons.Careshouldbetaken,

el,that allhoses,funnels,orcontainers

irt fromenteringandcloggingthefuellines

thebottomof thetank(fig.24)are

atortodrain out,withaminimumwasteof

hichsettlestothebottom.Dirtand water

tothesesumpsand canbedrainedbut.

psshouldbe openeddaily,preferablyafter

hourormore,orovernight.In freezing

tanttodrain thewaterfromthesediment

tfreezingand damageduetofreezing.

shouldbedrainedandflushedoutperi-

wheneveranaccumulationofrustor dirt

ractorshouldbeonlevel ground.Remove

omthetankand pourabout10gallonsof

andletit drainout,flushingthedirt and

elhoseis available,flushingmaybedone

ghthe holesinthebottomof thetank

swereremoved.Usenewgasketsandshellac

nstallingthe sedimentsumpsbackonthe

mentsumps (fig.24)hasbeenexplained

H,socket,%6-in.,with


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range.Whenpressuredropstobelow20,

nderfueltank ofallwaterandsedi-

efuelfilter elementsandtestfuelline

s tobeabsolutelysurethatit isfreeand

ethefirststagefilterelementswith new

m,makecertainthatthefilter andgasketare

eventleakage.Whenstartingengineafter

be necessarytoopendrainatbottomof

ebeforefuelwillstartto circulatethrough

tosee whetherfueloilpressurecomes

heengineandreplaceelementin second

sforobstructionsandleaksand againstart

herfueloilpressurecomesup tonormal.

lbelownormal,replaceelementin third

neconnectionsaretight,eliminatingall

pressurestill doesnotcomeupto normal

efuelpumpwillhaveto beremovedfor

newpumpinstalled.

ithinthenormalrangeand theopera-

tinsufficientfuelis beingsuppliedtothe

wstolocatethetrouble:

nfuellines andfuelmanifoldcarrying

ee thatreturnfuelmanifoldandreturn

strictedinanyway.Tocheckthereturn

pandlookintotank.When theengineis

ampleflowoffuelintothe tankfromthe

dinanypart offuelsystemasoutlined

ph,itisl ikelythattheporousbronzefilters

,and theinjectorswillhavetobe removed.

alizetheinjectors.

earance(pars.60and70).

bly.

tstagefilterassemblyconsistsoftwoindi-

abracketboltedto thetransmissioncase.

ytankleadstothis assemblyandanotherleads

el pump.Cotton-woundelementsareusedin


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erAssembly

.

.

tankanddisconnectthefuel linesfrom

offilterassembly.

mTractor.

.

wsholdingbrackettotractortransmission

y.

n.

n.


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wsfromeachfilterheadand removefilter

acket.

-in.WRENCH,socket,%,-,-in.

n.

esfromfilters,removethetwoboltsholding

emovefiltersfrombracket.

vethedirtyor cloggedelementandclean

fueloil.Replaceoldelementwithnewone.

eandirtyor cloggedelements.Itisnot

ntireassemblytoreplacefilterelements.The

ymerelyremovingthefiltercupsfrom thetwo

y,leavingbalanceofassemblyinstalled.

B-n.WRENCH,open-end,7/8-in.

in.WRENCH,socket,%,,-in.

.WRENCH,socket,%,,-in.

seis available,andinstallfilterclamprings

ach.

eadswithfourcapscrews,eachusingnew

sofgaskets.

weenFilters.

n.

xiblefuellinesonfittings, asshowninfig-

n.

ctor.

n.

transmissioncasewith thetwocapscrews.

lterAssembly.

n.

eachendfittingoffilter assembly;openfuel

upplytankandinspectfor leaks.

.

erislocatedinfront ofthecowlandheld

cowl.


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gFuelLinefromSecondStageFilter

hold-downscrew,clamp,andcover.

filtercaseoutwithcleanfueloil before

ethatdraincockis notclogged.Thisdraincock


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ondStageFilterAssembly

ytodrain sedimentandwateroutoffilter.

tonly,thefilterassemblyshouldbeleft

only thehold-downclampandcover

n.

wgasketandcoveron filterandtighten

mpandscrew.

onFilter.Placebandson filterandinstall

ngnutloose.

n.WRENCH,open-end,7/8-in.

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

nCowl.Install boltsthroughmounting

uts.

Bolts.

n.

lterAssembly.

n.WRENCH,open-end,ft-in.


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ondStageFilterElement

nnectlowerfuelline,fillthe filterwithfuel

inewithstarter topumpfueltofill filter)

e.

engineandcheckforleaks.

vingthesecondstagefilterpasses intoand

er totheintakefuelmanifoldon thehead

aceableelementtype.

.WRENCH,socket,%-in.


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FilterAssemblyExplodedView


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erAssemblyExplodedView


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n.

omthefittingson filterhead.

rain filterbyopeningdraincockat

.

ewholdingfilterhousingtofilterhead and

oldingfilterheadtocylinderheadand re-

elementandspringfromfilterhousing.

rdStageFilterHousing


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rdStageFilterHead

filterhousingwithcleanfueloilafterre-

elementmaybereplacedwithoutremoving

ctor.Removetheretainingscrewandhousing

g.55).Usenewgasketsuppliedwitheachnew

ueloilbefore installinghousingonfilterhead.

ainsedimentandwater fromfilter.

.WRENCH,socket,s/8-in.

.


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erheadwithtwocapscrews.

ng.Install thespringandnewelement

dmarked"TOP"up,andfillthe housingw1th

geabletypesoffiltercartridgesaresupplied

elfilter.Oneis acotton-woundtypesimilar

n thefilterslocatedundertheseat.A steel

chofthese cartridges,andwhenthistype

ashershould beplacedonthehollowstud

orethe gasketandfilterareinstalled.

headandontopof element;installcap

pto head(fig.55).

.

engineandcheckforleaks.

mpisa positivedisplacement,vane-

herearend coveroftheblowerandis driven

haft.A U-shapedsteelstampingformsapart

providesa safetyreleaseifthepumpshould

ENCH,specialfuelpump

.

F.

ESFROMPUMP.

tlinesfrompump.

ROMBLOWER.

ENCH,fuelpump

ewsholdingfuelpumptoblower.Use the

thecapscrewnearestthecylinderblock.Re-

mblyanddrivecouplingforkas aunit.

enancewillbeattemptedbytheusing


.


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gFuelLinusfromFuelPump

ORKONPUMP.Putdrivecouplingfork(arms

ndofthepumpshaft.Use anewpapergasket

e.


heblowerend housing,engagingthedrive

ngplateon thelowerblowerrotorshaft.

nthepumpbodyshould beonthecylinder

fromthefuelsupplytankconnectedtothe

hepumpbody.

TOPUMP.

n.

VALVE.

.Startengineandcheckforleaksandfuel

bustion,asmallquantityofaccurately

fuelmustbemixed,nearendof thecompres-

eofair whichhasbeenforcedintothecylinder


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elPump

ead.A dowelpinintheinjectorbody registers

headforaccuratelylocatingtheinjector

helower endoftheinjector,whenseatedin

nderhead,formsasealagainstthepressure of

nder.

risoperatedbyapush rodandrocker

theexhaustvalves.Asthepistonnearsthe

ke,therockerarmforcesthe injectorplunger

ythe plunger,intothecombustionchamber

ectorspraytip.Theseholes,only0.006inch

fueland breakitintoa veryfinespray.A

esultin alossofpower,unevenoperation

xhaustsmoke.Injectorscanbe"cutout"in

shortingout sparkplugsonagasolineengine.

coverremovedandenginerunningat about

jectorat atimebypushingdownon the

ithastickofwoodabout l/2inchsquare.

neifascrewdriveris used.Theonethat

the operationoftheenginewhen"cutout"


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113/261

/eaners

-m.

d hold-downstrapsateachcornerofthe

andremovethehood.

MCOVER.Cleantherockerarmcover

ecoverbylooseningthetwohand screwsthat

othe cylinderhead.

n.

ftheinjectorto beremovedandplace

tings topreventdirtfromenteringthe fuel

AFTBRACKETS.

nch,removethetwospecialcapscrewsthat

blytothe headandslidethebracketsoff

4),


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odClomp

MSHAFT.Slideshaftfromtherockerarms

ybackoutofthe way.Thisshouldbed9neto

s.

AMP.

ampandliftoff clampwasherandinjector

ortoolunder shoulderofinjectorbodyand

t thesametimedisengagethecontrolrack

g.60).An injectorshouldalwaysbe

dintheengine.Thistest, knownas"popping

hedasfollows:

ure.

ledwilrhcleanfueloil,introducefuel

eningsuntilfuelflowsfromtheother opening.

allsix holesinthespraytip areopen,

othe"FUIXFUEL"position;thenforcibly


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ectorClampNut

ctorClamp


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on theplungerfollowerwithaquickmotion.

ningpressureiscorrect,considerabledown-

redon thefixturehandletopopthe injector;

ired,thecheckvalveopeningpressureistoo

sawayfromthespraytipwhenpopping

m thespraytipwill penetratetheskinand

g.Itisadvisableto useashieldaroundthe

tm 9-787a heavy tractor m1, allis-chalmers hd-10w

Documents