tm 9-768 diamond t 980 and 981, m9 trailer

7/28/2019 Tm 9-768 DIAMOND T 980 AND 981, M9 TRAILER

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2/445

NICALMANUAL

May1944,and WDTBORD103,dated10June1944.

55-1,dated22October1943insofarasit appliestothismanual.

ated25January1944,this manualcompletelysupersedesOFSTB

nsinsofarastheyapplyto thismanual.Thesepublications

me astheyareincorporatedinotheraffectedmanualsor

STB800-21,dated30November1943;OFSTB1700-32,1800-3,

ly1943;WDTBORD60,dated 13March1944:WDTBORD

TBORD126,dated19July1944;WDTBORD20, dated

TechnicalManualsinsofarastheyapplyto thismanual:TM10-

941;TM10-1242,dated15August1942; TM10-1242(revised),

M10-1255,dated6 July1942;andTM10-1322,dated3

ve10-seriesmanualsremainineffectuntiltheyare incorporated

B,TM9-1768C,andSNLG-159,at whichtimetheywillbe

CTOBER1944

TONOFRESTRICTEDMATTER

dinrestricteddocumentsandtheessentialchar-

aterialmaybegiventoany personknowntobein

atesand topersonsofundoubtedloyaltyand

atinginGovernmentwork,butwillnotbe com-

to thepressexceptbyauthorizedmilitarypublic

soparagraph23b,AR380-5,15March1944.)

PublicDomain,Google-digitized

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3/445

ctober1944

nsporterTruck-trailerM19,ispublished

danceofall concerned.

27-44)J

TARYOFWAR:

0);Corps(10);SvC(10);Depts(10);

efof TechSvs(2);Gen

DecentralizedSub-O(3);

&RPoints(5); Ord

(3);OrdDistBrO (3);

rdTkDep(3).

15,9-325.

-67,9-76,9-127,

8,9-327,9-328,

ls,seeFM21-6.)


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es...

RUCTIONS

p-

on-

ANCEINSTRUCTIONS

e

in-


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NCEINSTRUCTIONS(Contd.)

meter

rsal

m..

l


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6/445

May1944,and WDTBORD103,dated10June1944.

55-1,dated22October1943insofarasit appliestothismanual.

ated25January1944,this manualcompletelysupersedes

-1.

nsinsofarastheyapplyto thismanual.Thesepublications

me astheyareincorporatedinotheraffectedmanualsor

STB800-21,dated30November1943;OFSTB1700-32,

dated8July1943;WDTBORD60,dated 13March1944;

y1943; WDTBORD126,dated19July1944;WDTB

1944.

TechnicalManualsinsofarastheyapplyto thismanual:TM

er1941;TM10-1242.dated15August1942;TM 10-1242

ry1944;TM10-1255,dated6July 1942;andTM10-1322,

heabove10-seriesmanualsremainineffectuntil theyare

A,TM9-1768B,TM9-1768C,andSNLG-159,atwhich

ysuperseded.

publishedfortheinformationand

towhomthisequipmentis assigned.They

eoperationandmaintenanceofthe45-ton

ailerMl9,aswellasdescriptionsofthe

onsin relationtotheothercomponentsof

owingarrangement:

tainsdescriptionanddata.Itlists the

pmentcarriedonthe vehicle.Italsolists

forthevehicle.

tructions,containsinstructionsfor

ewithdescriptionandlocationof thecon-

ceInstructions,containsinformation

ceofthescheduledlubricationandpreven-

s,andinstructionsformaintenanceoper-

nsibilityofthe usingorganizations(first

ocknumbersinthispartwereobtainedfrom

PartsandEquipmentListofSNLG-159.

ructionswiththemateriel,thistechnicalmanualhasbeenpublished

chnicalreview.Anyerrorsoromissionswillbecorrectedbychangesor,

vision.


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nstructionsforshipmentandlimited

enceswhichincludesstandardnomenclature

ndotherpublicationsapplicabletothe

cableforusein performingprescribed

wwithbriefexplanationsofeach:

26,DRIVER'SREPORTACCIDENT,

N.Onecopyofthisformwillbekeptwith

caseofanaccidentresultingininjury or

filled outbythedriveron thespot,oras

eafter.

RMNo.48,DRIVER'STRIPTICKET

ENANCESERVICERECORD.Thisform,properly

dtothedriverwhen hisvehicleisdispatched

hedriverandtheofficialuserof thevehicle

opriatepartsof thisform.Theseforms

hiclesinconvoyorontacticalmissions.The

ontainsthedriver'sdailyandweeklypre-

vicereminderschedule.

.478,MWOANDMAJORUNITASSEM-

RD.Thisformwillbeusedby allpersonnel

normajorunitassembly(engine,transmis-

cks)replacementtorecordclearlythe

eted,data,vehiclehours,and/ormileage,

enclatureofunitassembly.Personnelper-

nitialin thecolumnprovided.Minor

oryreplacementswillnotberecorded.

.6,DUTYROSTER.Thisform,slightly

chedulingandmaintaininga recordofve-

ions.Itmaybeusedforlubricationrecords.

.461,PREVENTIVEMAINTENANCE

LINSPECTIONWORKSHEETFORWHEELED

ES.Thisformwillbeused forall1,000-mile

(semiannual)maintenanceservicesandall

ormedonwheeledorhalf-trackvehicles.

353,SPOT-CHECKINSPECTIONREPORT

S.Thisformmaybeused byallcommand-

epresentativesinmakingspot-checkinspec-

.468,UNSATISFACTORYEQUIPMENT

usedforreportingmanufacturing,design,

aterielwitha viewtoimprovingandcor-


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8/445

orusein recommendingmodificationsof

be usedforreportingfailures,isolated

nctionsofmaterielresultingfromfairwear

age;norforthe replacement,repair,or

pment.Itdoesnotreplacecurrentlyauthor-

mancerecords.

370,EXCHANGEPARTORUNIT

stag,properlyexecuted,maybeusedwhen

temsforlike serviceableassemblies,sub-

es,andtools.

and3).

kTransporterTruck-trailerM19

ts,the 12-ton,6x4truckM20andthe

9.Theunitis designedtorecoverandtrans-

aterielweighingupto 90,000pounds.

ruckM20is atandem-rear-axle,or

witharearpintlefor towingtheM9trailer.

nsomemodelsandopentypeon others.

hareinstalledonthechassisbehindthe

throughapowertake-offinstalledon

andiscontrolledfromoutsidethe cab

edclutchcontrolandremotethrottlecon-

isaccomplishedbymeansofthewinch.

canbeobtainedbyfillingthe ballastbody

lssuchasgravelor sand.Thesparewheel

eforwardendoftheballast body,andtwo

dinsidethebodyatthe rearend.Afueltank

fthetruckimmediatelybehindthecab.

uelgatevalvesare carriedinacompart-

e cabdoors.Thetruckispoweredbya

ippedwitha fueloilburningheaterto

rting.

wheeltrailerM9hasa tandemaxle

dualwheelsandafrontaxle whichcarries

providedfortowingthetrailer.Therear

ownandtwohingedrampsareprovidedto


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12/445

PRIMEMOVER.6X4

ND-TMODEL

ADED

EDNOMINAL

FACTURER

RE

SUMMERUSE

WINTERUSE

UENTLYAS

erisequippedwithtrackguides,cable

ves.Fourchockblocksandvariousanchor

ethetank whileitisbeing transported.

anair-brakesystemandamanualcontrol

dentlyofthetruck.Astowagecompartment

etrailer.

.

IONS.

.


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front75%in.

650Ib

ad18,350Ib

45,000Ib

n.

eteneDieselfueloil

ANDCOOLINGSYSTEMCAPACITIES.

pt

ch)20pt

)2pt

OUTTRAILERATTACHED).

e23mph

a.)right65ft

pintle,2airbrakeconnections

connections

,000Ib

gability25pet

nespeed1,600rpm

onditionswithtowedload2

IONS.

gdrawbar29ft8in.

38V2in.


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es

b

SSORIES

reforinformationonlyand mustnot

isition.Thelists includetools,equipment,

uckandtrailer.

626)

ll-peen,

wrench

0)

ithhan-

p-joint,

,heavy-

ecessed

essed


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es


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tomo-

w

escent-

)

-degree

-end,

%

-degree

-end,

/2

-degree

-end,

%6

-degree

-end,

%

0)

-degree

-end,

%

aring

00)

aringnut

6-

t(Budd

8-

ers,


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theballastbodyis 3.5cubicyards,

heelcompartment.Byfillingthe body

ngapproximately3,000poundspercubic

ofballastwill beobtained.Ifthisis not

d,it isrecommendedthatapproximately

epouredinto blockstofitthebody.

thrings forhoistinginor outofthe

on woodenskidswithwoodenwedges

creteweighsapproximately4,000pounds

kswillprovidetherecommendedweight

e providingdrainageofthebodyand

tionofairtopreventexcessiverustand

SANDCONTROLSINVEHICLE

t.Beforeaneworreconditioned

,besure thatthenewvehiclerun-in

hs23,24,and 25,hasbeenperformed.

ce.Performtheservicesinitems1

oreattemptingtostart theengine.Start

par.cbelow),andcompletetheBefore-

NNEUTRALPOSITION.Applyparking

onarybypullingbackon parkingbrake

ssionandauxiliarytransmissionshift

n (fig.11).Makecertainpowertake-off

sition.

WITCHON(S,fig.8).Turnkeyclock-

Switchisomittedon somevehicles,in

eomitted.

AL.Pushclutchpedaltofloorand

ginehasstarted.

TORSWITCHBUTTON(M,fig.7).Press

ton;releaseimmediatelywhenengine

startaftertwoorthree trials,release

tonandinvestigate.

TS(fig.8).Afterenginehasstarted,

Operatehandthrottleuntilengineidling

erminute.Readthe gagesandinstruments.

register 30pounds.Ifit failstoregister,

elyandinvestigate.Theairpressuregage

abovebeforevehicleismoved.Abuzzing


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yConditions

OF

PPOSITE

GHT.

K

ructionPlate

ufficientairpressureforbrakeoperation,

ngpressureabove45poundsisreached.

vehicleisbeingoperated,stopvehicle

necauseoflossofpressure.Theammeter

hebattery"B"ammetermustreadpositive

uldreadabout500revolutionsperminute.

geshouldshowagradualrise to160 to

euntiltemperatureis135 F.Oilviscosity

AL."Ifengineviscometerremainsinlow

engineandinvestigate.Thefuellevel

entered,shouldreadempty.Thefuel

approximately10pounds.

n.Aftertheenginehas beenthor-

eckedforsatisfactoryoperation,placethe

s:

CH.Pushclutchpedaltothetoeboard

heclutch.CAUTION:Disengagetheclutch

shiftingdifficulties.

ANSMISSIONSPEED.Shifttheauxiliary

rintoproperposition.Theselectionis based

ountofloadbeing hauled.Shiftinto

aded,climbingagrade,or where

to "DIRECT"or"OVERDRIVE"


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evelandtheloadis light.Truckcannot

nsmissionin"N"(neutral).

ISSIONSPEED.Shiftmaintransmission

speedposition(fig.11).

GBRAKE.Releaseparkingbrake

er forward.

ANDRELEASECLUTCH.Pushdownon

ospeedup theengine,andatthesame time

)gradually.CAUTION:Donotengage

ficientfueltotheenginetoinsure asmooth,

engine.

TOOTHERSPEEDS.Aftervehiclehas

dbyshiftingthe maintransmissionshifting

ownon theshiftingdiagram(fig.11).

ed,releasetheacceleratorpedal,disengage

ansmissionshiftingleverintoneutral and

position.Releasetheclutchpedalsmoothly


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yConditions

eleratetheengine.Repeatthisforeach

ssionuntil itisin drivinggear.CAUTION:

roper gearspeedisdeterminedbythe

ewhichmustoperatesmoothlywithout

dbedroppeda stepbyshiftingtoa lower

insto losespeedbylaboring.When

uble-clutch(step(7) below)toavoid

ON:Neverforcetransmissionshifting

tolowergearsathigh enginespeeds.

samegearthatwouldbe requiredin

ouldneverexceedthemaximumshown

sat1,600Revolutions

TINGTOLOWERGEAR.

eleaseacceleratorpedal.

tingleverintoneutralposition.

ndaccelerateenginetosynchronize

againandshiftinto lowergear.

ywhileacceleratingtheengine.

GEAR.Whenitisnecessarytoreverse

iftthe transmissionintoreversegearposi-

ate (fig.11).

GearShifting.

ytransmissionshiftingleverhasthree

"DIRECT,"and"OVERDRIVE,"inaddi-

). Itisgoodpracticeto operatethe

ctrangeoverhard-surfacedterrainwhere

remegradesor whentheconditionsare

oodtraction,thelowrangeshouldbe

vilyloaded.NOTE:Donotshiftthe

mhightolowspeedunless thevehicle

ngatlowspeed.

HERSPEEDS.

anyspeed,or standingstill,dis-


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23/445

yConditiont

lerdrawbaratapproximateheight

dmanstandneardrawbarto givesignals

truckuntildrawbarring canbeplaced

elatchand insertlatchcotterpin.

ingsfromtherearairbrakecouplings

airlinesonthe trailer.Connecttheemer-

ertothe servicecouplingonthetruck.

ingonthetrailerto theemergencycoupling

les oftherearcut-outcocksonthe

einthetrailerjumpersocketslocated

dfrontofthe trailer.

rin Motion.

RKINGBRAKES.Releasetrailerparking

heels.

ruckinmotion,asoutlinedinsub-

starttruckmovingslowlyto avoidjerking

gthof theunitmustbekept inmindas

ht,whetherthetraileris loadedornot.

pttobackthe trailerandtruckin

thetrailerbybackingthe truck.The

astraightlinefor shortdistancesonly.

ytospotthetrailer bybackingit,isby

pintlehooktothe trailerdrawbareye

ardandthe trailerbackward.Thetruck

ontrolofthe steeringangleofthetrailer

hthepositionof thetrailer.

ler.

RMALCONDITIONS.Removefootfrom

railerairbrakesfirst,bygentlyoperating

ofsteeringcolumn.CAUTION:Never

uckbrakes.Almostimmediately,depress

brakeson thetruckandtrailersimultane-

henthevehiclespeedhasbeenreducedto

dmovetransmissionshiftinglever into

mpletelystopped,releaseclutchpedal,

ver,andreleasebrakepedal.Apply

Donot dependonairbrakesforparking.

CONTROLVALVE.Thetrailerair

controlledbythehandcontrolvalve(fig.7)

edbeforethetruck brakesareapplied.

plied,thetrailermayhaveenoughmo-

orwardintoa dangerousposition.When


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24/445

lerbrakescarefullyto actasadragon

s toskid,theapplicationofthetrailer

erearendofthe truckbackintoline.

too long,inorderto avoidskidding

Trailer.Setparkingbrakeson

gbrakelever ontruck.Turnoffthe

uckairlines. Disconnectthetrailerair

ruckandinstallthe dummycouplingson

estopreventdirt fromenteringlines.

efromthetruckandthe trailerjumper

ingcableinthe trailer.Opentherear

removingpintlehooklatchcotterpin

gagetrailerdrawbareyefrom pintle

fromtrailerwhiledrawbaris heldina

he pintlehook.

.

Ifit isimpossibletoturnthe engine

tor,itmaybe possibletostartthetruck

orcablethroughthefrontpintle hook

wingvehicle.Shiftthe auxiliarytrans-

the transmissionintodirectrangeinthe

owingtruckstarts,thedriverof thetowed

eclutchuntilstartingspeedis reached.

vingsmoothlytheclutchshouldbeengaged

Whenthe enginestarts,theclutchshould

hrottle pulledoutfarenoughto idlethe

perminute.Thedriver ofthetowedvehicle

missionto neutralandsignalthedriver

hiclesarestopped,the towchainmaybe

hicleisstartedinthis manner,reportit

UTION:Thedriverofthe towedvehicle

he airpressuregagebeforehisvehicle

undspressureisindicated,theair brakes

conditionof theparkingbrake;ifsatis-

estoppedwiththisdevice.

e.Ifthevehicleisdisabled withno

ror thesteeringgearapparatus,itmay

nnerasdescribedfortowingtostartthe

Besurethevehicleto betowedhas

operativeor therunninggearisdamaged,

awrecker.Liftdamagedendofvehicle

dtowwithoppositeend carriedonits


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25/445

ipment

YEQUIPMENT

smountedontopof theframeside

rivenfroma powertake-off,mountedon

,throughapropellershaftandchaindrive.

anism,installedontherearendofthedrive

cablepullbyautomaticallyshuttingoffthe

ofthefuelshut-offsolenoid.Thecontrols

elocatedoutsidethe cabontheleftend

EVER.Thewinchjawclutchlever

extremeleftsideofthe winch.Itmoves

shaft inoroutof engagementwiththe

e jawclutchisdisengaged,thedrumis

aft;whenengaged,thedrumis locked

osition.Whenthe leverispushedforward,

ed.

Theclutchhandleverispartof a

tedonabracketontheleft endofthe

ationoftheclutchair cylindertoengage

utchindependentlyoftheclutchpedalin

g.J2).Thethrottlecontrolis

heleft endofthewinch,betweentheclutch

isdirectlyconnectedtotheaccelerator

everon thegovernortoincreaseorde-

noperatingthewinch.

VER(fig.12).Thedragbrakehand

endofthewinch,nextto thejawclutch

edragbrakeagainst thewinchdrumto

nningwhenthecable ispayingout.Itis

shedforward.

ABLE.Engagethejawclutchbyshift-

k(fig.12). Starttheengine.Releasethe

smissionleverinreversegear(R) andthe

erinneutral(N)position.Shift thepower

dinto"ENGAGED"position(fig.11).

ertake-off,itisfrequentlynecessarytoen-


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ipment

htlytocauseshaft rotationtopermiteasy

engineclutchmomentarilytoeaseoffthe

.Releasetheclutch.Placethepowertake-

itionbypulling itback(fig.11).Place

.Unhookthecablefromthe frontpintle,

,orfrom thereartowingcablesheave

therear.Disengagethewinchjawclutch

verforward.

ghcabletoreachthe objecttobe

for pulling(par.16b).Disengage

theengine.Applytheservicebrakesand

gagingthepedal hold-downlatch(fig.7).

.Releasetheengineclutch.Placethemain

propergear (step(5)below).Makesure

sinneutral.Shift thepowertake-offshift

GED"position(fig.11).Usingthere-

ever,ortheclutchpedalin thecab,re-

gagethejawclutchbypulling backthe

ethattheload isreadytobe moved.

carefullybymovingtheremotecontrol

utchpedalin thecab,andatthesame

rottlecontroltoacceleratetheengineto

dyto stopthewinchinstantlyifneces-

vetheremotecontrolclutchhand

hpedal,whichwilldisengagethe engine

nstantlystopthe winch.Thewinchwill

mpayingoutbythe safetybrakebandas-

der aload,providingthewinchjawclutch

verdisengagethewinchjawclutchwhile

Iffinishedwithwinch,placetransmission

)(fig. 11).Placepowertake-offshift

sition.Releasetheengineclutchatthe

elever,ifengagedatthis point.Release

,ifengaged.

UT).Ifwinchisnotunderload,the

ullingitoffthe drumwithwinchjawclutch

that jawclutchisdisengaged.Whilecable

anmustmaintainalightpressureon thedrag

hedrag brakelever,topreventthedrum

ecablewouldturn it.Ifwinchisunder

eringor payingoutisaccomplishedby

neif itisstopped.Disengagetheengine

utchpedalorby movingtheremotecontrol

onisto becontrolledfromoutsideofcab.


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reverse(R)gear (fig.11).Shiftthepower

dto"ENGAGED"position(fig.11),ifit is

sreadyto belowered.Carefullyengage

ytostop winchimmediately(step(3)

ADING.Thewinchspeedisin relation

selected.Ahightransmissionspeedgives

lowtransmissionspeedgivesalowwinch

toacceleratetheengineabove1,000revo-

ewinchis beingoperated.Toincrease

highertransmissionspeedratherthan

essively.Whenhandlingveryheavyloads,

owgear.If drivingandpulling,shiftthe

olowrange.Usethewinchwiththe trans-

mediumloadsonly, andinhighgearfor

gspeedof thewinch,withtransmissionin

ngat 1,000revolutionsperminute,is55feet

yerofcable.Iftheline pullonthecable

twillcausethetorqueon thewinchpro-

orquecontrolspring setting.Thetwoparts

parateunder theseconditions,and

ckerarm,torque controlswitchbox,and

heenginewillbestopped.Tostart theengine

neclutchtoreleasethetorqueon thedrive

e.CAUTION:Donotset thetorquecon-

capacitythanthatrecommended.

THOUTLOAD.Engagethewinchjaw

nt,bymovingthewinchjawclutchlever

easetheengineclutch.Placemaintrans-

gear.Shiftthepowertake-offshiftlever

position(fig.11).Usingtheremotecon-

e clutchpedalinthecab,releasetheen-

backoncableorattacha slightloadso

on drum.Guidelayersofcableontodrum

oftenasnecessarytoadjustcoil ondrumso

oundsuccessivelayerswillbeobtained.

bleremain,stopthewinch,placetheend of

lehookifitis ledtothefrontof thetruck,

heavebracketifattherear.Slowlyengage

underaslighttensionand securedatthe

utch.Placethepowertake-offshiftlever

(fig.11).Placethetransmissionshift

winchjawclutchto remainengaged.


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ipment

DUNLOADING.

s.Placethetrailerandtruckon

eto besalvagedinlinewiththe rearend

hetruckmustbesufficientlyballastedto

r.12).

winchcable(par.15 c(1)),and

achthe salvagedvehicle(par.15c(4)).

tchblocksprovidedwiththeequipment

theloadonthecableand equipment.For

ineorone-partline.Formediumloads

ine.Forheavyloadsuse thefour-partline.

cks,attachthefrontsnatchblockto the

othersnatchblocktothesalvagedvehicle.

etweenthetwotrailersheaves(fig.177)

in astraightlineto thesalvagedvehicle.

soffthe roadorina positionwhereitcan-

ckofthetrailer, arecoveryoperationwill

ng thevehicleuptotheposition forloading.

eaccomplishedbyusingthecablefromthe

hefrontofthe truck.Tousethecableat

offthecableandleadit forwardthrough

eft-handframerailto thefrontbumper

rontbumperrollerpinandlift itoutof

ecablebetweenthehorizontalrollers, and

er pin.

olddowntheloadingrampsat the

etherearchockblocksfromthe trailer

ehindtherearwheelsof thertuck.Setthe

r.Rigthe winchcable(subpar.babove),

vehicletobesalvaged.Onlargevehicles,

erthevehicleand attachthesnatchblock

cle(orthe endwhichwillbeatthe rearof

d).Ifthesnatchblockis attachedatthe

ehicle,it willbedrawnupcloseto the

eventingthesalvagedvehiclefrombeing

trailer.Ifthesalvagedvehiclecanbe

ethevehicleto steerit.Whentheprepara-

hesalvagedvehicleontothetrailer (par.

whenthevehicleiscenteredonthetrailer.

acetherearchockblocksbehindthe

retheminasimilar manner.Attachthe

rriedinthetrailercompartmenttothe

sesofthe loadedvehicle,andtotherings

the chainstightbyturningtheturn-


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brakesontruckandtrailer. Lower

theground.Ifpossible,usea second

dvehicleoffthetrailer, andusethewinch

kthe speedofthesalvagedvehicle,op-

e(lowering).Ifsecondvehicleis notavail-

undervehicleandcarryit outtoasnatch

out50 feettotherearof thetrailer.Pass

chblockandlead itbacktotherear end

tachittothe salvagedvehicle.Remove

sandrearchockblockswhichsecurethe

vehicleoffthetrailerby operatingthe

hefireextinguisheris mountedin

sattachedtothebackof thecabbetween

delsand tothedriver'ssideof thecab

acarbontetrachloridevaporizingextin-

extinguishingfiresresultingfrom burning

asoline,liquids,orfromshortcircuits.It

rningelectricalequipmentsuchasthe

,wiring,andotherinstallations.

reextinguisher,releasehandleby

ndproceedtopumpthe extinguisherfluid

ase oftheflames.Whenusingtheex-

dsin acontainer,directthefluidagainst

rjustabovetheburningliquid.

SUALCONDITIONS

RATION.

utomotiveequipmentatsubzerotem-

msthatdemandspecialprecautionsand

mbothoperatingandmaintenanceperson-

ndtotalfunctionalfailureareto beavoided.

Diesel enginesoperatedinwarm,

atcongealattemperaturesbelow0F.

derU.S.ArmySpecification2-102,gradeX,


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Conditions

at lowtemperatures,asitwillnotpre-

mperatures.

ssitatesprocurementofcommercial

etakentosee thatthecloudpointis 10F

ospherictemperatureanticipated.Other-

totheinjectorsinquantitiessufficientfor

tion.

lformicethatmaystop fuelflow

ons,suchassteps(2), (3),(4),(5),and

stbetaken.

FuelOil.

nersarethoroughlycleanandfreefrom

them.

ormovingacontainer,allowthefuel

llingvehicletankfromit.

ntainerstighttopreventsnow,ice,

terfromentering.

omdispensingequipmentandfrom

oreremovingcapto refuelvehicle.After

curely.

denaturedalcoholtothe fueltankat

Vapint ateachrefueling.Thiswillreduce

in thefuel.

anytypeofstrainerthatwill prevent

eFluid.Severalmethodsforkeep-

tlyfluidforproperlubricationarelisted be-

giventothedifferentmethodsin theorder

ilitiesavailable.

Keepthevehicleina heatedinclosure

ted.

SE.Whentheengineisstopped,drain

stillhotandstore inawarmplaceuntil

tedagain.Ifwarmstorageisnotavailable,

ng.NOTE:Donot gettheoiltoo hot;

erethebarehandcanbe insertedwithout

a conspicuousplaceinthecabtowarn

aseisempty.

SEOIL.Crankcaseoilsmaybediluted

oil accordingtotheiravailability,with


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ne.Oneofthetwofollowingprocedureswill

ginewithproperlydilutedengineoilfor

uent.Fillenginecrankcasetothe

eofengineoilprescribedfor useattem-

F(par.22).Add 7%quartsofgasoline.

nutestomixthel ubricantanddiluentthor-

dnotethat thelevelofthediluted oilis

markontheoilgage.This levelshould

futurereference.Thepresenceofalarge

willincreaseoilconsumptionand,forthat

be checkedfrequently.Usethegradeof

ebetween+32Fto0F tomaintainthe

"FULL"markonthegageduringoperation.

hoursormoreatoperatingtemperature,

ryifit isanticipatedthatthevehiclewillbe

for5hoursor more.Thiscanbeaccom-

lprescribedfor usebetween+32Fto0F

LL"mark,thenaddinggasolinetothe

escribedin substep(1)above.

saDiluent.If Dieselfuelisusedas

asewhiletheengineis stillwarmandrefill,

fortemperaturesbetween+32Fto0F

fuel oilinthe proportionof73Aquarts

eofa largepercentageofdiluentwillin-

d,therefore,checktheoillevelfrequently

tainitto manufacturer's"FULL"mark

utedwithDieselfueloil asdescribedabove.

eloilisusedas adiluent,thequantity

rtingis addedwhenthecrankcaseisrefilled

itionofdiluted made-upoil.Furtheraddi-

ernightshut-downareunnecessary.

eptoutdoors,andif thecrankcase

theenginecompartmentwithatarpaulin.

eis tobestarted,placefirepots underthe

us-type,orothertypeblowtorchorordi-

aybeused.Withdue considerationforthe

amemaybeapplieddirectlyto theoilpan.

Cases,andDifferentials.

escribedforuseat temperaturesfrom

arytransmissioncontrol.Usethesame

below0F.

bricant,whereprescribed,is suitable

ow as 20F.Ifconsistenttemperature


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Conditions

rainthegearcaseswhile warmandrefill

arlubricantwhichis suitableforoperation

+32Fwithoutdilution.

armedup asprovidedinparagraph

ow(first)gear,anddrivevehiclefor 100

stall engine.Thiswillheatgearlubricants

operationcanbe expected.

.Lubricatewheelbearingsand

neralpurpose greasewiththesamelubricant

mustbeperformedatsufficientlylowtem-

ndpackingcannotbeaccomplished,No.0

aybeuseduntil temperaturereturnsto

herplaceswhereNo.0generalpurpose

0Fwiththesame greasebelow0F.When

sareencounteredandNo.0generalpur-

torywherespecifiedabove,No.00O.D.

mentSpecificationAXS-1169),may

arhousingif possible,orusesuctiongun

ntaspossible.Refillwith grade75uni-

ilcanpointswhereengineoil isprescribed

preservativelubricatingoil.

aturesbelow+32F,useantifreeze

oolingsystemagainstfreezing.

zecompound,drainoffthewaterand

ecoolingsystem,includingtheaircom-

tbecleanandcompletelyfreeofrust (par.

mhasbeencleanedrecently,itmaybe

fillwithcleanwater,and againdrain.

eplaceifdeteriorated.Inspectand

oseclamps,plugs,andpetcocks.Seethat

f foundtobeleaking,installnewradiator

ompound.Inspectforcoolantleakageat

bytighteningcylinderheadstudsor re-

t.

hat itclosescompletely(par.92).

nginopenor closedposition.Ifthermostat

pletely,doesnotfunctionfreely,or isbadly

mis cleanandtight,fillwithwaterto

or5gallons.Thenaddantifreezecompound,

freezecompoundtothecoolingsystem

Thesystemshouldbeprotectedtoatleast

ectedtemperaturetobeexperiencedduring


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und

aturecYpacity* NOTE*

compound,fillwithwater,thenstart

loperatingtemperature(par.13c).

solutionwitha hydrometer,adding

quired.

oolantweeklyforstrengthand color.

ained,thecoolingsystemthoroughly

oftherequiredstrengthadded.CAUTION:

eonlyantifreezeforordnancemateriel.

ezesolutionsbekeptclean.Useonlycon-

ree fromdirt,rust,andoil. Useanaccurate

meter,use1partantifreezecompoundto

should produceahydrometerreading

ystems.

ANKINGMOTOR.Checkbrushesforwear

dsee thatbrushesandcommutatorare

brushesorcommutatorwillaffectoperation

eventthe electricalcontactrequiredfor

n thecrankingmotorrequiredforgood

andtightenallconnections,especially

eshouldbetakento seethatnoshort

encyofbatteriesdecreasessharply

uresandbecomespracticallynilat40F.

chilledto atemperaturebelow30F,

tedbeforeattemptinganengine start,un-

s available.Seethatthebatteryisalways

rometerreadingbetween1.275and1.300.

notfreeze attemperatureslikelytobe

cclimates,butafullydischargedbattery


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Conditions

+5 F.Donotaddwater toabatterywhen

bzerotemperaturesunlessthebatteryisto

fwaterisaddedandthe batteryisnotput

erwill stayatthetop andfreezebefore

htheacid.

e.

Thegagemayfailtoregister pressure

etube.Wherethisconditionisexperienced,

for subzerooperation.Disconnectthegage

eoppositeendwhilethe oilishot,and see

thelowerendof thetubewithspecial

thegagetube withgrade3denatured

Washthethrow-outmechanismandgear

emovegreaseanddirt.Heavygreaseor

m beingmeshed,orcausethemtoremain

tartsrunning.Thelatterwillruin the

sitaterepairs.

headventof coldweather,inspect

equired.

eltanksump,anddrain andclean

y,ormoreoftenaccordingtoexperience,

n anextremeemergency,whenusing

mentsmayberemovedtemporarilyfrom

xperiencedwithwaxcloggingthescreens

el throughthefilters.

peraturesbelow0F,useSAE10en-

typeandoil-bathtypeair cleanersand

atendencytocausebrakesto stickor

kedatsubzerotemperatures.Usea blow-

ts iftheybindwhenattemptingto move

hiclewiththebrakereleasedwill eliminate

utionmustbetakenunder thesecircum-

sorotherwisepreventmovementofthe

efrequently.Shockresistanceofmetals,

king,isgreatlyreducedatextremelylow

ofvehiclesonhard,frozengroundcauses

result inscrewsbreakingornutsjarring

catedspeedometercablesatthedrive end

ttemperaturesconsistentlybelow20F.

orkproperlyat thesetemperaturesand

eexcessivedragcausedbythe highviscosity


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arelubricated.Grease-lubricatedcables

rilyatalltemperaturesprovidingtheyare

purposegreaseand thereisnoexcessgrease

melowtemperaturesareencounteredand

seis notsatisfactory,No.00O.D.grease,

ntativeSpecificationAXS-1169,maybe

ingby followingproceduregivenin

withcircuitlockswitch,turnkeyof

ngmotorswitchandatsametimeoperate

ngerlocatedonthe instrumentpanel.

dprimingpumpunlesscrankingmotoris

dresultinunburnedfuelbeing pumpedinto

orswitchafter30seconds,ifenginehas

ngmotortocool forseveralminutesbefore

ontinuesto run,regulatethrottleto

onsper minute.

par.13c(5)).

rand operateatlowspeedto

enavoidable.

HOTANDDUSTYCONDITIONS.

Whenoperatingin dustyterrain,

stcatchingdevicesonthe vehicleisessen-

emfromclogging.Failuretokeepthevarious

dscreensinacleanconditionwill resultin

parts.Excessgreaseandoilaroundlubri-

pedoffto preventgritanddirt frombeing

shings.

ns.Whenpartsareremovedforin-

aprecautionsmustbetakentoremoveall

art.The enginefuelnozzlesoranypart

ldneverbe exposedtodirtwhiletheyare

estamountofgritis apttodamagethemand


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Conditions

zones,checkcellwaterleveldaily

withpuredistilled water.Ifthisisnot

rinkmaybe used.However,continuous

neralcontentwilleventuallycausedamage

usedonlyinanemergency.

tteriesoperatingintorridclimates

trolytethanfortemperateclimates.Instead

olyteshouldbeadjustedto around1.210

dbattery.Thiswillprolongthelife ofthe

ators.Underthisconditionthebatteries

out1.160.

atterywillself-dischargeatagreater

fstandingfor longperiods.Thismustbe

henoperatingintorridzones.If necessary

movebatteriesandstore inacoolplace.

.

clehasbeendriventhroughdeep

rtandabrasives,or completelysub-

recautionsmustbetakentoavoidserious

e engine,clutch,transmissions,axles,uni-

nggear,battery,fueltank,brakes,and

ownthatwater,dirt,andabrasiveshave

unitsofthevehicle,notifytheproperauthor-

hhas beensubmergedmustbecompletely

ubricated.

URE.Inanemergency,eachunitshould

dlubricatedtopreventasmuchdamageas

.Lubricatethetruckandtrailer

ovefilterplugsfromstoragebattery.Check

pearance.Normallevelafterimmersion

waterhasenteredbattery.Cleanelectrolyte

htlyhigh,indicatesnoabsorptionofexcess

aterial.Ifsolution isdirty,replacebattery.

)).Ifthebatteryis discharged,recharge

sonengine (par.72b).Cleanandreoil

ebreather(par.22).Removeallwheel

57),clean,repackwithlubricant,andre-

sonwheelhubs(pars.185 and257)if

thdirt,toavoiddamagetoseal surfacesand


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ethecrankingmotor,generator,andgen-

97,114,and 115).Drainlubricantfrom

nsmission,andwinch.Refillgearcases,

ndhalfSAE10engineoil forflushingoil.

withsameflushingoil.Next,withrear

wheelsfor5 minutes.Runthewinch.

ndrefill withcorrectgradeoflubricant

and fillcrankcasewith10quartsof

tsofSAE10engineoil, andrunenginefor

peedwithclutchreleased.Replaceoilfil-

eand fillwithcorrectgradeofoil


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ONS

ofWarDepartmentLubrication

14)andLubricationOrderNo.724

secondechelonlubricationmaintenance

onOrderisplacedonoris issued

andis tobecarriedwithit atalltimes.

sreceivedwithoutacopy,theusingarm

onareplacementfromtheCommanding

anceDepot,Detroit32,Michigan.

onsontheLubricationOrdersare

maintenanceandthereshall benodeviation.

alsspecifiedontheLubrication

atingconditionsduringactiveserviceabove

lsunderextremeconditionssuchasexces-

tures,prolongedperiodsofhigh speed,con-

dust,immersioninwater,orexposureto

hmayquicklydestroytheprotectivequali-

equireservicinginordertopreventmalfunc-

ateriel.

ntsareprescribedinthe"Key"in

mperatureranges;above+32F,+32Fto

meto changegradesoflubricantsisde-

closecheckonoperationofthe materiel

nge-overperiods.Sluggishstartingisan in-

ethickeningandthesignalto changeto

extlowertemperaturerange.Ordinarily

ngegradesoflubricantsonlywhenairtem-

yinthenexthigheror lowerrange.

ONINSTRUCTIONS.

Eachpieceofmaterielissupplied

tadequatetomaintainthemateriel.Besure

thbeforeandafter use.Operatelubricating

manneras toinsureaproperdistribution

PublicDomain,

Google-d

igitized

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athitrust.org/access

_use#pd-g

oogle


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I

der

PublicDomain,

Google-d

igitized

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oogle


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ssisPoints


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der


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der


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TACHOMETERDRIVE

21467

bricationViews


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AFT)

GLEVERS)

AKE

HAFT)

bricationViews


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BRAKE)

AKEAPPLICATIONVALVE

bricationViews


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bricationViews


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ANER

CLUTCHRELEASEBEARING

bricationViews


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AFTREAR

AFTBODY

ABLEROLLER

AFT(CHASSIS)

bricationViews


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LUTCHCYLINDER)WHEELBEARINGS

bricationViews


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hSAE90universalgearlubricantabove

Fto0F;or grade75below0F.

00miles,removedrainplugfrom

t.Every6,000mileswhilecrankcaseisbe-

element,cleaninsideofcase,andinstall

RBUSHINGS.Every1,000miles,apply

querodbushings.Do notuseoil.

DSLIPJOINTS.Usegeneralpurpose

turesabove+32F,orgeneralpurpose

F.Applygreasetouniversaljointuntil it

e,andto theslipjointuntil lubricantis

universaljointendofthespline.

ery6months,removebearingconeas-

85and257). Washbearings,cones,spindle,

thoroughly.Donotusecompressedair.In-

placeifdamaged.Coatthespindleand inside

eneralpurposegreaseNo.2,to amaximum

oretard rust.Lubricatebearingswith

o.2,witha packer,orbyhand,kneading

he bearing.Protectthebearingsfrom

sembleandreplacewheel.Donotfillhub

thebearingissufficienttoprovidelubri-

eperiod.Anyexcessmightresult inleakage

ngsin accordancewithinstructionsin

achuse,cleanandoilwithused

gineoil above+32F;SAE10below

snotbeen used,coatoutercoils.Monthly,

,andoil.

ry1,000miles,lubricatethrottleand

ertake-offcontrollinkage,transfercaseshift

nchcontrolhandle,hinges,latches,pintle

mpressorrockerarms,winchcontrollink-

tswith SAE30engineoilabove+32F;

or specialpreservativelubricatingoil

oLUBRICATIONSERVICE.Springs,

e,injectorpumpgovernor,clutchpilotbear-

notrequirelubrication.

ODICALLYBYORDNANCEMAINTENANCE

ayear,removethecoverplatefrom


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yindry-cleaningsolvent.Fillreservoirsto

ithnewor cleanusedengineoilandre-

gasketsare ingoodconditionandthat

ionsaretight.

LTS.Seethataccessoriessuchasgen-

rcompressor,fuelpump,waterpump,fan,

urelymounted.Makesurethatfan,air

ordrivebeltsareproperlyadjustedtohave

lection(fig.64).

Examineallaccessiblewiringand

ingoodcondition,securelyconnected,and

s,includingspares,areproperlyin-

at stemsareincorrectposition,andthat

nd finger-tight.Removeobjectslodged

betweenduals,andinspecttires fordamage.

n carriers.

NUTS.Seethatallwheelmounting

utsarepresentandsecure.

ER.Examinefrontfendersand

dradiatorgrillefor loosenessanddamage.

ONS.Inspectalltowingdevicesforloose-

rontand rearpintleconnectionsoperate

y.

IN.Examinecabforloosenessordam-

d batterycompartmentdoorsoperate

yinclosedposition,andthat tarpaulinor

ndnotdamaged.Examinecabseats,body,

e,andallbodyattachmentstoseeiftheyare

ectlyandsecurelyassembledandmounted.

htoseeif itisin goodcondition,

secure.Testoperationofwinchcontrol

echainandsprocketsarenotexcessively

dtorque controlmechanismsareproperly

a).Test winchdrumbrakeandseethat

itionand securelyandevenlywoundon

acompletelubricationofthetruck

ordingtoLubricationOrder(par.22),ex-

arings,andotherunitslubricatedor serviced

gearcaseoillevels andaddasnecessary

angeonlyif conditionofoilindicatesthe

notofpropergradeforexisting atmospheric

ormitems(16to19)duringlubrication.


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NSIONS.Inspectfrontsprings,rear

uerods,rearspringbearings andspring

ngoodcondition,correctlyassembled,and

re present,andoilsealsarenot leaking

Seethatsteeringarm,tierod, andall

onditionandsecure,andthatgearcase is

leakingexcessively.

NDVENTS.Inspectallpropeller

tosee iftheyarein goodcondition,cor-

yalined,secure,andnotleakingexcessively

ventpassagesarenotclogged.

SIONVENTS.Seethatallventsare

ogged.

merwhenperformingitem20,tosee

hatit doesnotleak,andthatit issecurely

artengine,notingifcrankingmotor

fanytendencytowarddifficultstartingis

orun engineatfastidle(500 rpm)during

tingprecautions(par.13c).

elpressuregageshould indicatefuel

mphead,approximately10poundswiththe

mumoperatingpressureisfrom

ssureindicator(buzzer) shouldsound

.Vehicleshouldnotbemoveduntil gage

dspressure.

eershouldindicateenginerevolutions

xceed1,600revolutionsperminute.

velgageshould indicateamountof

ectorswitchis operated.

ammetermayshowhighchargefor

ntil generatorrestorestothebatteriesthe

dthen showaslightpositive( +)reading

sturnedoff.

Ammetershouldindicatewhetheror

charged.

neoil pressuregageshouldindicate

00revolutionsper minuteand38to40

evolutionsperminutewithengine atnormal

mperaturegageshouldindicatetem-


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vevehicleuntilenginetemperature

OOT).Testfootbrakestoseeif they

withoutsidepull,chatter,orsquealing.Be

seswhenpedalpressureisreleased,that

dropinairpressurewhenbrakesare applied,

learanceis%einch.Parkingbrakesshould

nclinewithone-thirdratchettravel in

ecurelyinappliedposition.CAUTION:

rakesuntilshoeshavebecomeseated.Do

eexceptfor anemergencystop.

tchoperatessmoothlywithoutgrab,

gement,orslippagewhenengagedunder

travelshouldbe 1Viinches,andneverless

resistance.CAUTION:Donotrideclutch

notengageanddisengagenewclutchse-

tildrivenanddrivingdisks havebecome

POWERTAKE-OFF.Gearshiftmecha-

yandsmoothly;gearsshouldoperatewith-

ip outofmeshwhenengagedunderload.

eeringactionforloosenessorbinding,

lltoone side,wander,shimmy,orwheel

acketandwheelaresecure.

rtforanyabnormalengineoperating

noise,suchaslackofpullingpoweror

isfiring,stalling,overheating,or.excessive

fenginerespondsproperlytoallcontrols.

onthealertthroughoutroadtest for

dyandattachments,runninggear,suspen-

indicatelooseness,damage,wear,inade-

rinflatedtires.

EINTERVALSFORSERVICES(10)TO

EAKS.Withtheairpressureat gov-

dsandbrakesapplied,stopengine.There

edropinpressurein1 minute.

utiouslyhand-feeleachbrakedrum

altemperatures.Examinetransmissions,

xlehousingsforindicationsofoverheating

ksatseals,gaskets,orvents.

nning,andfuel,engineoil, andcool-

e,lookwithinenginecompartmentand

nofleaks.


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Reports.

atvehicleoperator'smanual,Lubrica-

No.26(Driver'sReport-Accident,Motor

A.G.O.FormNo.478(MWOandMajor

entRecord),areinthe vehicle,legible,and

.S.A.registrationnumberandvehicle

edinonFormNo. 478,fornewvehicles.

etionoftherun-intest,correctorre-

d.Reportgeneralconditionofthevehicle

authority.

VEMAINTENANCE

ficiency,itisnecessarythatthevehicle

edatintervalseachdayitis operatedand

aybediscoveredandcorrectedbeforethey

failure.Certainscheduledmaintenance

atthesedesignatedintervals.Theservices

ethoseperformedbydriverorcrewbefore-

on,at-halt,andafter-operationandweekly.

enanceservicesarelistedonthe

etandPreventiveMaintenanceService

48,tocovervehiclesofalltypesand models.

ehiclesbutnotlisted onW.D.,FormNo.48,

ceduresundertheitemsto whichtheyare

dontheform thatdonotpertainto the

natedfromtheproceduresaswritteninto

ationmustthoroughlyschooleachdriverin

nceproceduressetforthinmanuals,whether

ificallyonW.D.,FormNo.48.

D.,FormNo.48thatapplytothis

smanualto providespecificproceduresfor

ectionsandservices.Theseservicesare

ectionandconservethetimeofthe driver,

he samenumericalorderasshownon

mnumbers,however,areidenticalwith


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aintenanceService

ofeachitemappliesalso toany

nectionandgenerallyincludesachecktosee

odcondition,correctlyassembled,secure,

dcondition"isusuallyan external

minewhethertheunitis damagedbeyond

Theterm"goodcondition"isexplained

otbentor twisted,notchafedorburned,

bareor frayed,notdentedorcollapsed,

orated.

toseethatit is"correctlyassembled"

linspectionto seewhetheritisin its

ninthevehicle.

todetermineifitis "secure"is

examination,awrench,hand-feel,ora

ss.Suchaninspectionshouldincludeany

cknuts,lockingwires,orcotterpinsused

beunderstoodtomeanworn,close-to,

tsandlikelytoresult inafailureif not

cheduledinspection.

ctoryoperatingcharacteristicsbeyond

o correctmustbereportedattheearliest

tedindividualinauthority.

ERVICE.

eisdesignedprimarilyasa checkto

t beendamaged,tamperedwith,orsabo-

ationServicewasperformed.Variouscom-

enderedthevehicleunsafeforoperation

ver todeterminewhetherornotthe

rryout anymissiontowhichitis assigned.

entirelyomitted,eveninextremetactical

erationServiceconsistsofinspecting

ngtotheproceduredescribedandcorrect-

ncies.Uponcompletionoftheservice,

promptlytothe designatedindividualin

DDAMAGE.Lookforanyinjuryto

accessoriesandspecialequipment,caused

Collision,fallingdebris,orshell firesince

enginecompartmentforevidenceofthese


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damagedfuel,oil,coolant,or airlines,or

age.

SHER.Besurefireextinguisheris full,

gssecure.Removefillerplugtocheck

R.Checksupplyoffuel,oil,andcool-

ng toproperlevels.NOTE:Anyappre-

After-operationServiceshouldbeinvesti-

edorreported.Duringfreezingweather,when

,if anyappreciableadditionofwateris

aluetestedandaddedto,ifnecessary.Be

ter cansarefullandsecurelymounted.

ANDDRIVES.Examineunitssuchas

or,generatorandregulator,crankingmotor,

terpump,andaircleanersforlooseness,

drivebeltsare ingoodconditionandare

mately1-inchfinger-pressuredeflection.

KS.Examinetruckandtrailer,air

ndconnectionsforlooseness,damageor

servoirsandclosedraincocks.Besure

sare securelyconnected,orifnotinuse,

erlysupported,anddummycouplings

AL.Lookongroundundervehiclefor

,orgearoil leaks.Traceanyleakstotheir

rtthem.

UP.Startengine,notinganytendency

bserveactionofcrankingmotor,partic-

rankingspeedandengagesanddisengages

eninoperation.Setthe handthrottleso

00rpm),and,duringwarm-up,proceed

rationservices.NOTE://oilpressure isnot

pengineand investigate.

startingengine,if primerisused,ob-

ris satisfactory,andseethatthelinesare

eumaticswitchmakescontact.

elpressuregageshould registerap-

essurewhileengineisrunningat fastidle

ngenginewarm-upwithengine

ewhetheror nottheairbrakepressure

o105poundspressure,andif governor

pressingaction.Bleedtheairpressuredown


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FLANGENUTS.Inspectalltruckand

untingandaxleflange nutstoseethatthey

e alltruckandtrailertires, in-

yinflated.Trucktiresshouldbeinflated

ol),andtrailer tiresto100poundspres-

tslodgedintreads,carcasses,orbetween

age.

WALKINGBEAMSANDSUSPENSIONS.

railerwalkingbeamsforloosenessor

pringsforexcessivesagandbrokenor

seethatspring reboundclipsarepresent

walkingbeammainsprings,recoilsprings,

emblies,andairbrakecylindercarriers,

cureandnotdamaged.

NKAGE.Inspecttrucksteeringgear

eyareinconditionforsafe operation.Pay

eringarmforcracks,andseethat steering

cessively.Seethatsteeringcolumnbracket

DBUMPER.Inspecttruckfrontfenders

anddamage.

NNECTIONS.Inspecttruckfrontand

tractionsprings,pintlelockingdevices,

eye,andall towingairandelectrical

eyarein goodcondition,properlyas-

ounted.

D,WINCH,ANDTARPAULINS.Inspect

enessanddamage.Seethat doorsoperate

yinclosedposition.Seethat anyload

erlydistributed,andthat tarpaulinor

onditionandproperlystowedor attached.

-orlooseattachmentsandifloaded,be

ition,properlyblocked,andsecure.Ex-

ndattachmentsforloosenessanddamage.

eandair controlclutchleverarein

mbrakeinappliedposition,andcable

NATOR.Makesurecontaminator.is

ymounted.

EQUIPMENT.Besureallitemsof both

etoolsandstandardandspecialequipment

andproperlystowedormounted.

RATION.Beforetruckisputin mo-


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aintenanceService

eachedminimumoperatingtemperatureand

eanddeceleratetheengine,andlistenfor

oise.Noteanyunsatisfactoryoperating

veexhaustsmoke.

RMITANDFORMNo.26.Drivermust

tonhisperson.Checkto seethatStandard

26,MWOMajorUnit AssemblyReplace-

O.FormNo.478,vehiclemanuals,and

entinvehicle,legible,andproperlystowed.

ERVICE.

on,listenforanysoundssuchas rattles,

hatmayindicatetrouble.Lookforindica-

systemandsmokefromanypartofthe

odetectanyodorof overheatedcomponents

r,brakes,orclutch;forfuelvaporfroma

stgas,or othersignsoftrouble.Anytime

shifted,or vehicleturned,considerthisa

factoryorunusualperformance.Watchthe

oticepromptlyanyunusualinstrumentin-

ossibletroubleinsystemto whichthe

erationServicesconsistofobserving

ingtotheproceduresfollowingeachitem

cationsofserioustrouble.Noticeminor

edorreportedatearliestopportunity,usually

NDBRAKES.Withvehicleinmotion,

ppreciablespeed,testtruckandtrailer

orproperoperation.Footandhandapplied

cleeffectivelywithnormalpressureor

ooneside. Testtrailerbrakeseparately

eoperation.Handoperatedparkingbrake

sonableincline,leavingaboutone-third

rhand-operatedparkingbrakesshouldhold

shouldfullyengagein handwheelratchets

position.Besure brakesarefreewhen

dposition.CAUTION:Whenparkingon

d,alwaysusechockblocksundertires.

chshouldnotgrab,chatter,orsqueal

pwhenfullyengagedunderload.Pedalfree

hanV2inchbeforemeetingresistance.

NSANDPOWERTAKE-OFF.Mainand

dpowertake-offgearsshouldshiftsmoothly,


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oise,andnotslipout ofmeshduring

ONTROLS.Drivermustbeonthe

ineperformancesuchaslackofusual

,unusualnoiseorvibration,and indica-

essiveexhaustsmoke.Observeifengine

dif controlsareexcessivelylooseor

S.Observethereadingsofallinstru-

perationforindicationofnormalfunction-

yapply.Speedometershouldindicate

erregisteraccumulatingmileage.

AR.Noteanyindicationoflooseness

e,wandering,shimmy,andwheeltramp,or

ringgear.

R.Beonthe alertforanyunusual

ornoisefromtruckandtrailerwheels,axles

ightindicatelooseness,damage,orunder-

ERANDWINCH.Noteanynoiseorun-

dtrailer,that mightindicateshiftingof

mageddoors,hardware,orspecialequip-

ration,observeif controlsengageeffec-

sproperly,andif thereisanyindication

s,orcontrols.Noteanyunusualnoiseor

characteristicstobeinvestigatedathalt, or

regardedasminimummaintenance

performedunderalltacticalconditions,

vemaintenanceservicesmustbeslighted

vicesconsistofinvestigatinganyde-

eration,inspectingitemslistedbelowac-

followingtheitems,andcorrectingany

enciesnotcorrectedshouldbereported

dindividualinauthority.

DWATER.Checkthefuel,engineoil,

hat itisadequatetooperatethe vehicle

adiatorpressurecapcautiously.Donot

mhasescaped.Whenrefueling,usesafety

staticelectricity.Fueltankfiller-capvents

ssure-capvalvemustbefree,and capsmust


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NNECTIONS.Examinetruckpintle

swiveleyetosee thattheyareingood

mbled,andmounted.Besurethatpintle

hatairandelectricalconnectionsfrom

yconnectedandsupported,andthatdolly

D,ANDTARPAULIN.Examinethese

or loosenessanddamage.Anycargomust

dsecured.Iftrailer isloaded,seethattank

securelychocked.Tarpaulinorcamouflage

edif inuse;orif notinuse,properly

ntruckwindshieldsandmirrorsand

andwarningreflectorglass,andinspect

mage.

DWEEKLYSERVICE.

eisparticularlyimportantbecauseat

shis vehicletodetectanydeficiencies

andcorrectsthoseheispermittedto handle.

tothe designatedindividualinauthority

on.Ifthisscheduleisperformedthoroughly,

yto rollagainona moment'snotice.The

withafewexceptions,isthen necessaryonly

ehicleisin thesameconditioninwhichit

oftheAfter-operationService.TheAfter-

everbeentirelyomittedeveninextreme

ybereducedtothebare fundamental

-haltService,ifnecessary.

ormingtheAfter-operationService,

andconsideranyirregularitiesnoticeddur-

operation,During-operation,andAt-halt

tionServiceconsistsofinspectingand

ms.ThoseitemsoftheAfter-operation

yanasterisk(* )requireadditionalweekly

orwhichareindicatedinstep(b) ofeach

ATION.Testengineforsatisfactory

dle.Accelerateanddecelerateengine,and

orbackfire.Listenfor anyunusualnoise

atewornor inadequatelylubricatedparts

nyunusualexhaustsmoke.Investigateand

cienciesnotedduringoperation.

S.Checkallpertinentinstrumentsto


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aintenanceService

roperlyand continuetoregisterorindi-

eoftheunitstowhichtheyapply.Inspect

age.Stopengine.

DWATER.Fillfueltanks.(Seeif

tanks.)Checkcrankcaseoilandcoolant

rytobring tocorrectlevel.NOTE:Do

diator.Allowroomforexpansion.In

ecessarytoaddanyappreciableamountof

aluechecked,andaddsufficientquantity

ngsystemagainstfreezing.Becarefulin

orcap.Donotentirelyremoveuntilsteam

dcoolantwhileengine ishot.Fillall

ansif supplyhasb,eenused.

WINDSHIELDWIPERS.Examinehorns

elymounted.Iftacticalsituationpermits,

tionand tone.Inspectwindshieldwiper

attheyoperatethroughfullstroke,and

hieldglassfirmlyandevenly.

EARVIEWMIRRORS.Cleanalltruck

ler lamplenses,andinspectforlooseness

S)ANDREFLECTORS.Inspectall

orloosenessordamage.Iftacticalsitua-

switchesforcorrectoperationandseethat

.

ISHERS.Examineextinguishersfor

seethatnozzlesare clean.Ifextinguishers

emforrefill orreplacement.Removefiller

eterminecontents.

ATORS.Inspectforloosenessordamage

ort forrefillorexchange.

seeiftheyareclean,secure,andnot

psshouldbefinger-tight.

omtop ofbatteries.Ifterminal

orroded,cleanthemthoroughly,andapply

ghtenterminalbolts ifloose.Check

cessary,addcleanwatertobringlevel to

heseparators.Batteriesshouldbesecure

electrolyte;carriershouldbe secure,clean,

painted.Tightenloosemountingscautiously.

IESANDBELTS.

ssuchasfuelpumps,generator,gen-

motor,aircompressor,fanandshroud,and


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76/445

s,damage,orleaks.Inspectdrivebeltsfor

ent.

stanylooseconnections,linkage,or

s.Fanandaircompressorbeltsshouldhave

lectionhalfwaybetweendrivepulleys.

LWIRING.

terwiringtoseethat itissecurely

tdamaged.

essiblelowvoltagewiringandconnec-

er forloosenessordamage,andbesure

ottochafeagainstothervehicleparts.

ERSANDBREATHERCAP.Inspectengine

nersandenginebreathercap toseethat

dition,andsecurelymounted.Cleanand

yaccordingtoLubricationOrder(par.22).

RS.

nectedtoeachfueltankand fuelfilter

amage,orleaks.

mentbowlplugsanddrainoffaccumu-

iningindicatesexcessivedirt,remove

soutlinedin paragraph72b.NOTE:If

tionisevident,reportforcleaningoffuel

TROLS.Examineallenginecontrols

ear,andadequatelubrication.

railer tires,includingspares,fordam-

emoveobjectslodgedintreadsandcar-

duals.Checktiresforlowpressure,proper

dpresenceofvalvecaps.Inflateto correct

l)maximumintrucktiresand 100pounds

res.

ywornorotherwiseunserviceabletruck

letireswhichshowabnormalwearshould

ositions.Apparentmechanicaldefects

bereportedforattentionof higherechelon.

NDSUSPENSIONS.

gsandrear tandem(bogie)unitfor

ookforabnormalspringsag,shiftedleaves,

ndclips andU-bolts.Seethatreartandem

e rodsareingoodconditionand properly

demunitsare properlylubricatedandoil

minetrailerwalkingbeamsandaxle as-


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rpintlehook,trailer towbar,and

amage,andexcessivewear.Examinetrailer

that theyarenotloose,damaged,norex-

ingdevicemountingandassembly

ntlehooklockingdevicestoseethat they

springsanddrawbarsarenot damaged.

D,ANDTARPAULINS.Examinetruck

eorlooseparts.Seethat cabdoorsandbat-

perlyandlatchsecurely.Anyloadcarried

edandsecurelystowed.Tarpaulinsor

eingoodconditionandsecurelylashedor

me,platform,ramps,andchocksfordam-

Iftraileris loaded,seethattankisproperly

hocked.

yforlooseness,damage,andexcessive

sing.Besurewinchcontrolmechanism

onsproperly,andthatdrivechainis in

lylubricated,andadjustedaccordingtoin-

6.

earcaseoillevel,fillgear case,and

vechainaccordingtoLubricationOrder

e;itshould retarddrumfromspinning

hilewinchcableisunwound,inspectit

engthwiththinoil; andascablesare

y,applyacoatingofengineoil.

ler externalassemblyormounting

ectionhasindicatedthenecessity.

kandtrailer wheelmountingand

ews;springU-bolts,shackles,andrebound

erwalkingbeamand assemblymountings;

flanges;engine,transmission,andwinch

ranyothermountingor assemblynutsor

catesasnecessaryonaweekly,ormileage

TON.

e truckandtrailerindicatedonthe

ringdailyattention.

ointswhichtruckandtrailerLubri-

ecessaryonaweeklyormileagebasis,or

nandexperienceindicateneedofaddi-


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veMaintenance

GINEANDVEHICLES.

rominsideofcab,enginecompartment,

peoffexcessdirt andgreasefromexterior

dtrailerwhenpossible.If notpos-

Inspectpaintorcamouflagepatternforrust

tcausereflections.Seethat allvehicle

fortacticalreasons)arelegible.CAUTION:

venintowaterforwashing,caremustbe

dirtdoesnotgeti ntowheelbearings,gear

calunitsorwiring.

DEQUIPMENT.

stowageliststo seethatallitemsare

9).Inspectitemstoseethat theyarein

lymountedorstowed.

"andtrailertools andequipment,and

edges aresharpandproperlyprotected

urelymountedorstowed.

NTIVEMAINTENANCE

EVENTIVEMAINTENANCESER-

ntenanceinspectionsandservicesare

efunctionoftheusingarmandare there-

rsofoperatingorganizations.

uencyofthepreventivemaintenance

consideredaminimumrequirementfor

es.Underunusualoperatingconditions

tures,dustyorsandyconditions,orextremely

essarytoperformcertainmaintenance

CIPATION.Thedriversshouldac-

dassistthemechanicswhileperiodic

vemaintenanceservicesareperformed.Or-

resentthe vehicleforascheduledpre-

viceinareasonablycleancondition;that

cakedwithmudor greasetosuchan

servicingwillbeseriouslyhampered.

uldnotbewashedorwipedthoroughly

ofdefectssuchascracks,leaks,andloose

bliesaremoreevidentifthesurfacesare


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ES.Theproceduresforperformingeach

nthly)and6,000-mile(six-month)main-

chevershalloccurfirst,aredescribedin the

eofthecharthastwo columnsatits

the6,000-mileandthe1,000-milemain-

ryoftenitwillbefoundthata particular

obothscheduledmaintenances.Inorder

duretofollow,lookdownthecolumn

tenancedue,andwhereveranitemnumber

ationsindicatedoppositethenumber.

tuationdoesnotpermita

eitemswhichrequire little

icle.Whena roadtestispos-

erably4,andnotover6 miles.

on.

7.

vernorCut-off,Low

gwarm-upperiod,operate

oughtoobserveifair brake

al ratetospecifiedmaximum

ernorthencuts offairfrom

atnormalidlingspeed,bleed

yrepeatedbrakeapplica-

essorcutsinat about85

ped,continuetesttoseethat

zzer)soundsatpressurebelow

dropinair pressure,except

ouldbeinvestigatedbymak-

est(par.46k (2)).CAU-

til 70poundspressureis

gage.

es.

uelpressuregageshouldindi-

njectorpumphead,approxi-

engineoperating.

ertoitem2forspecifications

ershouldindicateenginerevo-

ularpointer.Redpointer

revolutionsattainedand

evolutionsperminute.


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veMaintenance

velgageshouldindicate

nkwhenselectorswitchis

rmayshowhighchargefor

ntil generatorrestoresto

nstarting,and thenshowa

withlights andaccessories

metershouldindicate

esarebeing charged.

ineoilpressuregageshould

reat1,600revolutionsper

ndspressureat1,200revolu-

eat normaloperatingtem-

GE.Temperaturegageshould

nginecoolant.Correctop-

0 to180F.Maximumsafe

00F.NOTE:Donotmove

nnormaloperatingrange.

shouldindicateconditionof

ase.NOTE:Donotoperate

emainsinlowrangeafter

hieldWipers.Iftactical

nsforproperoperationand

mirrorandwipersto see

onandsecure.Testopera-

ee thatwiperbladescontact

doperatethroughtheir full

floosewipermotormount-

rorsfor correctvision.

railer).Operateboth

variousspeeds duringroad

tpedalsufficientlytostop

stanceandobservetheir

oneside,unusualnoise,or

e%e-inchclearancebe-

ger.

ailerisconnected,test

yuseofhand application

ectiveness.Noteanyerratic

ndicateunevenbrakeshoe


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veMaintenance

ostallwhileshifting.Continuedheavyping

umulationofcarbon.

hetruckinanintermediate

cceleratortothetoeboard

eterreading;seethatthetruck

edthegovernedspeedspecified

rvetachometerreadingand

butdoesnotexceedthespeci-

minute.NOTE://engine

eedoncautionplate,referto

e alertduringroadtestfor

elooseor damagedattach-

ck,loosecabmountings,floor

orhardware.Listenparticu-

ewheelmountings.While

motion,haveassistantlisten

attachments,walkingbeam

sontrailer.

s.Testtruckandtrailer air

essure atgovernedmaximum.

engine stopped,thereshould

pressurewithin1minute.

sduringthis check,testsystem

hod(par.46 k(2)).

pletionofrun,feelbrakedrums

trailerforabnormallyhigh

yfeelaxles(includingtrailer)

roverheating.

ompartmentandgroundunder

el,andwaterleaks.

KSAFELY

ks.Removeplugsandinspect

andwinchgearcasetosee

evel,ingoodcondition,and

kets.Addoilasnecessary.

weredgeof fillerholewhen

cold.I fchangeoflubricant

ants,drainandrefillunits

Order(par.22).

ESSORIES.Accelerateandde-

entarily;listenforanyunusual


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veMaintenance

cordingtoLubricationOrder

ineuntilitem24is com-

and linesforgoodcon-

ndleaks.

ddrainfilterbowls.

angeisdueor condition

cordingtoLubricationOrder

core,shell,mountings,hose,

that theyareingoodcondi-

ng.Besureoverflowpipeis

mineconditionofcoolant

o contaminatedthatcool-

ed.Ifcleaningis necessary,

rrentdirectivecoveringproper

ndedcleaner,neutralizer,and

).Cleanallinsects,dirt, or

airpassagesandinspectfor

ezeis usedandanyappre-

dded,testvalue ofanti-

ry.Recordvalueofantifreeze

ksheet,FormNo.461.

nalllooseradiatormount-

oseclamps,andradionoise

ps.

oud.Inspectpumptosee

ecure,andnotleaking.Ex-

bearinglooseness.Inspect

onditionandthatbladesand

vebeltsandexaminefan

avedrivebelts looseuntil

29).

nwaterpump,fanassembly,

or,andSwitch.Inspect

r,andcrankingmotorswitch

ondition,securelymounted,

recleanandsecure.Re-

kingmotorinspectioncovers;

dbrushestoseeiftheyare

n,ifbrushesare freeinbrush


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tspringtensiontohold them

mutator,andifbrushconnec-

ot grounding.Besuregen-

sioncapacitorissecurelycon-

atorendofgeneratorand

pressedair.Ifcommutators

o.2/0 flintpaper(donot

dofwoodblock,andagain

ncrankingmotormounting

compressortoseethatitis

yalined,andsecure.Check

(0.010to0.015inch).See

ditionandsecurelymounted,

ndwaterlinesinengine

andnotleaking.

pplyafewdropsofengineoil

pin,andkeroseneordry-

valvestemofgovernor.

eclearanceat0.010inchto

aminedrivebeltsfor evi-

vewear,anddeterioration.

ubsto seeiftheyarein

elymounted.Drivebelts

1-inchfinger-pressurede-

apter.Seeiftheseitems

ectlyassembled,andsecure.

haftforkinks,and connec-

eaks.

ol.Inspectmanifoldsfor

haustleaksatgaskets.Ex-

ksorsandholesusuallyin-

.Examineheaterunit(starter

ndensertoseethat theyare

urelymountedandconnected.

leandelectrodeandground


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ubsunless thebearingsmust

newcupsshouldbe installed.

dsurfacesuponwhichthe

eingoodcondition.

e-

ringsinsamemannerasde-

justbrakeshoesasdescribed

earsto beout-of-line,

ontspringeyeboltto centerof

e. (Distanceshouldbe

-boltssecurely.

toseethatenginemount-

andtight.Besuretocheck

andall rubbermountings

notseparatingfromitsmetal

oltsareloose,tightenthem

oovertighten.Removeoil

mounting.Adjustrubber

nspectgroundstrapsfordam-

s.

awl,andlinkagefordam-

skforscoring;and liningfor

gto seewhetherornotit is

to\/-A.,inchbetweendisk

E:Besure thattheemer-

gardlessof clearancere-

holdtruckwhenparked

elinreserve.

rearhandbrakehand-

ables,andlinkagetoseethat

correctlyassembled,and

eclamps,supportguides,and

shouldhavenotlessthan

foremeetingresistance.See


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veMaintenance

nes.Inspectfueltanks,

tionstoseethattheyare in

mounted,andlinesandcon-

xaminefillercapsforde-

vents.Seethatfillernecks

hat capsfitsecurely.

nplugsand drainofftheac-

nbottomof tanks.Drain

se necessaryprecautions

ose).Examinealllines

hoseunderbothtruckand

goodconditionandsecurely

sothatlinesorhose willnot

eparts.

Examineexhaustpipetosee

oexhaustmanifold,thatgasket

isibleevidenceofleakage,

exhaustpipeisclampedse-

mufflertoseeif itisin good

ounted.Checktailpipetosee

omuffler,properlysupported,

erend.

teallpointsoftruckand

LubricationOrder(par.22)

ectives,usingonlycleanlubri-

seitemsthat havehadspecial

ice.Replacedamagedor

xiblelines,orplugs.

ND

Withfrontwheelson

adposition,useatoe-in gage

tisas specified;itshouldbe

nch.Turnwheelsfullyin

rn islimitedbystops.In

learallpartsofvehicle.

kes,ShearPin,and

rornotallofthese itemsare

yassembled,andsecure.See


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nette).Inspecttrailer

toseethat theyareingood

mbled,andsecurelymounted.

ecure.

railerairlineconnectionsto

ngoodcondition,notexces-

esecurelywithoutleaking.

r).Inspecttruckandtrailer

s,andtrailerspecialloading

oseeifthey areallpresent

odcondition,clean,and

ymounted.Alsoexamine

dgestoseethat theyaresharp.

ideoftruckor trailerwhich

faces,shouldbepaintedor

entrust,glare,orreflection.

reextinguishersarein good

ted,andfullycharged.The

dongas-typeextinguishersby

onliquid-typeby removing

zzlesarefreefromcorrosion.

oseethat decontaminators

relymounted,fullycharged,

.Inspectrefilldate ontags;

onths.

Seeiffirstaidkit isin

of itsitemsarepresentand

nydeficienciesimmediately.

26.Thevehicleandequip-

nOrder,StandardFormNo.

m)andW.D.,A.G.O.Form

truck,legible,andproperly

etirechainstobesurethey

n(ifnot inuse),notex-

againstrust,andproperly


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andSnatchBlocks).See

cesarein goodcondition,

tedagainstrustwhennotin

rnished,checktoseethat

s.Seethat theseitems

correctquantities;that they

properlystowed.

nspectfordamage,leaks,

smustbeonchains.

mpleted).Inspectthetruck

allModificationWorkOrders

enteredonW.D.,A.G.O.Form

mentofmajorunitassembly

ce.

roadtestof truckand

to15inclusive,andalso be

ission,winch,anddriving

cantisatcorrectlevelsand

adtestto theminimumtime

ctoryobservations.NOTE:

enciesfoundduringthisfinal

ubleshootinginformationandtests

determinethe causesofsomeofthe

inthevehicleused underaverageclimatic

Eachsymptomoftroublegivenunder

mis followedbyalistof possiblecauses

cessaryto determinewhichoneofthe

bleforthetrouble areexplainedaftereach


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saremissing,loosenthenuts whichconnect

injectionnozzles,oneatatime.If the

eexhaustloses itsrhythm,thisindicates

tioning.Iftheenginespeed remainsthe

ndsthesame,this indicatesthecylinderhas

entestingforamissingcylinder,the in-

r-bound,andconditionwillbecorrected

chpermitstheair orgastoescape.

PVALVES.Replaceinjectorpump

74.

USTMENT.Adjustclearance,using

graph63.

Cleanaircleaners(par.85).

FUELPUMPORLINES.Bleedfuel

haust.

ADGASKET.Replacecylinderhead

heckfueloilagainstgradeknown

ndprime system(par.77e(2)).

ZLES.Cleanfaultynozzles(par.76c).

OUTOFTIME.Checktimingasin-

DELIVERYVALVESSTUCKORBROKEN.

par.74).

Refillradiatortoproperlevel(par.

FUNCTIONING.Followprocedurein

rceoftrouble.

.Replacedefectivefan(par.90).

stfanbelt(par.90e).

tbyfollowingadjustmentprocedure

ecksourceoftroublebyproceeding

37c.

RICTED.Checkmufflerandtailpipe

ANDEXHAUSTVALVE.Notifyhigher

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BEARING.Notifyhigherauthority.

ANCETooGREAT.Adjustvalvesto

.

ORBUSHINGS.Notifyhigherauthor-

tifyhigherauthority.

ain,refill,andbleedfuelsystem

tanksandprimesystem(par.77e).

AS-BOUND.Bleedsystem(par.77e).

eplacefuelline;prime(par.77e).

M.Drain,fill,andprime fuelsystem

Replacefuelsupplypump(par.75).

RIVINGCHAIN.Checktoseeiffuel

henengineis turnedoverbyhand.Ifit

hority.

COUPLINGLOOSEOROUTOFTIME.

e(par.74c).

rSwitchFailstoOperateWhen

losed.

r corrodedconnections;cleanand

tterieswithahydrometer.Ifany

0F,replacethedefectivebattery.Ifthe

when crankingmotorswitchisclosed,

.

withacircuitlockswitch,placea

Wterminalofthe crankingmotorswitch

alof thesolenoid.Ifthesolenoidoperates

witchisdepressed,thecircuitlockswitch

fectiveandmustbereplaced.

han insulatedhandle,shorttheout-

lenoidagainsttheframe.Ifsolenoidfails

placed(par.97).Ifthesolenoiddoes op-

shorted,the switchisallright andafur-

ocatethetrouble.

PublicDomain,

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mtheSWterminalofthe cranking

terterminal(A)ofthe sameswitch.If

crankingmotorswitchisdefectiveand

.If thesolenoidfailstooperate,leavethis

notherwireacrosstheterminalsinthe am-

perates,the circuitbreakerisdefective

117).If thesolenoidstillfailsto operate,

atedterminalsandcoverwitha cleancoat

.

SolenoidOperatesWhenCranking

hwitha jumperwire.Ifcranking

efectivecrankingmotorswitchsolenoid

rdoesnot operate,proceedwithstep

ctions,shortandopencircuitsin the

hebatterywiththecrankingmotor,andin

olenoidswitchwiththecrankingmotor.

medyifnecessarythegroundcablecircuit

kingmotordoesnotrotatetheengine

ngtheprecedingsteps,replacethedefective

Notifyahigherauthorityif thetroubles

ATINGSYSTEM.

ghtingloadisconnectedtoonebat-

compartment)therewillbesomeun-

thebatteriesand thestateofcharge.The

acrosswhichthelightingloadisconnected

hantheonewhichis connectedtothe

emorewater.

ESTOVER1.250SPECIFICGRAVITY

EACHOTHER.Ifbatteryisnormal,no

ecessaryinsummer.Forcoldweather

oosterchargeifcellsareunder 1.275.

ESTUNDER1.250SPECIFICGRAVITY

EACHOTHER.

Charge.Replacebatteryasin-

sExceedsInputFromGenerator.

kelectricalsystemforshortcircuits,loose

eratoroutput.Refertohigherauthorityfor


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SOFWATERTOBATTERIESNECESSARY.

cesBatteriesinSameCompartment.

hthatwhichcarriesthelighting loadis

antheloadedbatteryin thesamebattery

ationthattheconnectionstothe lighting

dinaccordancewiththeinstructionplate

nt.

hargingRate.Refertohigherauthority

orchargingrate.

eplacebatteryasinstructedinpara-

SE.Causedbyexcessivetemperature

rtohigherauthorityfordecreasein charging

ERYTERMINALS.

teCausingAcidtoSprayonTerminals.

osts.Cleanpostsandterminalsthoroughly.

sweakenedbycorrosion.Connectterminals

tumtoexposedmetal.Refertohigher

hargingrate.

nalsDestroyed.Proceedasdirected

OSTONBATTERY.

tions.Replacebatteryasinstructed

t.Replacebatterycable.

encheckingtheconditionofthe

eengineandsetthe throttletoidlethe

perminute.

ICKORREGISTERCHARGEBUTLEFT

LICKSORREGISTERSCHARGE.Replacede-

fcurrentthroughleftbatteryammeterindi-

ircuitiscomplete.

ATTERYAMMETERBOTHFAILTO

oimprovementisobserved,proceed

e orcorrodedconnections,andclean

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