tm 5-9060 crane, tractor, 20 ton

7/30/2019 Tm 5-9060 CRANE, TRACTOR, 20 TON

1/50Publ

icDomain,Google-digitized

/http://www.h

athitrust.org/access_

use#pd-google


2/50

N

CALIF.

ES C-2158-M20A&UP)

HASEORDERNo.07-2981)

PublicDomain,Google-digitized

/http://www.h


use#pd-google


3/50

ManualandPartsCatalog,

FootBoom,Model

LeTourneau,Inc.,

tionandguidance

,June10,1941.)


/http://www.h


use#pd-google


4/50

ispiece

\

tor41^ ..

actor4

djustmentthatcanbetaken

ation11

uddy,LowTemperatureand

ns14

res5

earancesofBearingsand


/http://www.h


use#pd-google


5/50

irSection)

irSection)

tion)Page3(PartsCatalog)

ationSection)

ge1(Parts Catalog)

perationSection)

rationSection)

torPage4(OperationSection)

pairSection)

ispiece

on).. ..Page4& 5(PartsCatalog)

PartsCatalog)

OperationSection)

(OperationSection)

ationSection)

onSection)

uddy,LowTemperatureand

s...Page14(OperationSection)

airSection)

djustmentthatcanbetaken

0 (OperationSection)

ation..Page11(OperationSection)

ge14(OperationSection)

resPage5(RepairSection)

perationSection)

earancesofBearingsand

epairSection)

rationSection)

ation)..Page6 &7(PartsCatalog)

9(OperationSection)

actor....Page4(OperationSection)

tion)..Page9 &10(PartsCatalog)


/http://www.h


use#pd-google


6/50

LM-20CRANE

20TractorCraneisanelectrically

ountedonlow pressurepneumatic

and operatedbehindtrack-type

edbya LeTourneautwodrum

tedontherearof thetractor.By

Unitcontrollevers,thetractoropera-

oadbeingcarriedatthe hooksheave

ndlowerthe boomasneeded.

pableof liftingandcarrying

oadsup to40,000Ibs.


/http://www.h


use#pd-google


7/50

armembersofCranewhichsupport

pper-mostmemberofCrane,con-

supportedbyboxbeams.Thehead

opoftheboom.

eboxbeammemberwhichex-

chtothe Cranewheels.Theaxle

onguestructure.

onsistsofCranehook,sheavehous-

htheloadis attachedandwithwhich

ered.

NGThesheavehousinglocated

hroughwhichtheboomcablepasses.

epartatthefrontof thetongue

attachedandwhichturnsinbush-

avelingoverunlevelground.

blockatthefrontoftheuniversal

tractordrawbarpinis insertedwhen

etractor.

ewheelsandaxlesattherearof

pewhichraisesandlowersthe

opewhichraisesandlowersthe

oad.

eceofwire ropeextendingfrom

mtotherearof thetonguestructure.

omfrombeingmovedbackover-

zontalbeamatthetopof the

heCranecanbe balancedorstabilized

ndconditionsbya crewofmenby

either endofthebeam.

oovedwheelslocatedinthesheave

ablepasses.

ngtheboomtotherear,awayfrom

eboom,movingitforwardtoward

ooksheavehousingandload.


/http://www.h


use#pd-google


8/50

LeTOURNEAU

offerthefollowingfeatures:

beingable tomovequicklyfrom

ther.

edintopositionsimpossiblewith

ranes.

sanduniversalforgings,M-20

ysize track-typetractor.

nedlargelybytractortonnage,

ertractorsbythe additionof

ownforflatshipping.

ysis,boxbeamortubularsteel

ximumstrengthandlifting

ures,theLeTourneauM-20tractor

toolforusewhereverliftingoperations


/http://www.h


use#pd-google


9/50

hLeTourneauCranesshouldmeet

ns:

ghqualitywire ropemeeting

ns:6x19wireropeofWarrington

enter,preformed,Langlay,andmade

Itshouldbe internallylubricated

process.Rightlaycableisordinarily

nbeusedwithequalsuccess.

r)andlengthsofthe hoistand

ablethreadingdiagramin thefrontof

dbedonewiththe boomonthe

(Thecablethreadingis usuallydone

eend ofthetongueis connectedto

etonguecanthenbe raisedinto

owerControlUnitleft clutch,thereby

.)

plainthecablethreadingprocedure.

ontrolUnit

ottomof sheaveinhousing2

inhousing3

ofsheave.. .Binhousing 4

omofsheave.Cin housing5

eaveDinhousing .4

veEin housing5

eaveFinhousing4

omofsheave.G inhousing5

eaveHinhousing4

omofsheave.1 inhousing5

bleat.......Jwithcablewedge

ontrolUnit

ofsheave...K inhousing3

eaveLin housing1

eaveMinhousing3

eaveNin housing1

eaveOinhousing3

bleloopontop ofhousing1

eclampat..P


/http://www.h


use#pd-google


10/50PublicDomain,Google-digitized

/http://www.h


use#pd-google


11/50

alnumberC-2567-M20Aanduphave

than thatshownondiagram.Aftercable

heaveI,it istakenupandthrough housing

orplate,andthroughhole intopanddead

ousing4.SEESKETCH.

INEDBYSTANDINGINREAROFCRANE,

OR.


/http://www.h


use#pd-google


12/50

RACTOR

readedthroughtheCraneandonto

ledrums,theCranetonguecan

tractordrawbarbyblockingthe

thePowerControlUnitleft-hand

theboomcableandraising the

t.

ertthe drawbarpintoeffectthe

MTRACTOR

matractor,first lowertheboom

nectthecablefromthe cabledrums

n.

eauCraneiscomparativelysim-

ctions.Thenewoperator,however,

ntofcare whenoperatingtheCrane

arwiththe operation.Controlisquite

ncedoperatorshouldexperimentsev-

"oftheoperationbeforeattempting

ht-handcontrollevercontrols

Theleft-handcontrollevercontrols

controlleverforthePowerCon-

heengagedposition.Toholdtheload

wthe controllevertoreturntoneutral

thebraketothecabledrum.To lower

everSLOWLYinthedirection

eclutchwasengaged.Ifthe move-

thispositionistoofast, theloadwill

everin thesamemannertoraise

den impactwhenloweringitto

hefollowingpagesshouldbe ob-

eCrane:


/http://www.h


use#pd-google


13/50

Unit

ppingthe

mslowly.

dropwith

singthe

werCon-

terthe

emefront

afterthe

tight.

meslackin

stance

hookat the

eblocktothe

blockfrom

kinthe

ompara-

Unitin

mes.Itis

eworking

ptheload.


/http://www.h


use#pd-google


14/50

s,havetheboomas nearlyerect

aking,theheaviertheload,themore

havethehoistsheavehousingat

onedasnearlyoverthecenterofthe

otdone,theload willhaveatendency

enraised offtheground.

nearlylevelgroundaspossible.


/http://www.h


use#pd-google


15/50

eavyloadsacross theground

velyclosetotheground when

sizeand shapethatwouldcutthe

benecessarytocarrytheloadabove

remecareshouldbeusedtoavoid

mswingingbackagainstboom

raveloversmooth,levelgroundand

extenda rope,cable,orchainfrom

spendedloadandthento otherside

.

workingaroundthe Craneby

oadsinexcessof therecommended

e.

rane,dependentlargelyupon

whichtheCraneisconnected,de-


/http://www.h


use#pd-google


16/50

ered.This istruebecausebymeans

e tractormustoffsettheweightof

ovidingweightfortraction).

ecommendedliftingcapacities

eboomwhenthe Craneisconnected

4 andR4tractors.

APACITIESINPOUNDS

mcenterofCranewheeltoCenterof

alittle practice,beableto

racticallyanypositionwithoutdiffi-

sition,theboomshould approach

tdistanceeitherto therightorleft of

ecorrectdirectionwillusuallyswing

overtheload.If theboomistothe

ractortotheleft.If theboomisto the

actortotheright.

outfromunder loadorboomat


/http://www.h


use#pd-google


17/50

nefor

ob to

bleto

ngue.To

oksheave

bject,such

.Then

oistli ne

movedback

mover

werControl

e.

theton-

ebrakeon

stdrum.

eonthe

otheton-

backingup

ock.As

ackboom

ed, using

fouling

ue.Before

toCrane

ble.

tach

stationary

theground,

h.Payout

is raised.

aresimplythe raisingorlowering

oweringoftheload.The Craneis

ontrolUnitonthe rearofthetractor.

he leftPowerControlUnitdrum.

s engagedthecabledrumspoolsin

om.Whenthe controlleverisreturned

mis heldstationarybythecable

keisreleasedthe boomislowered.

is engagedthecabledrumspools

ad.Whenthecontrolleveris returned

bledrumbrakeholds theloadinthe

brakeisreleasedthe loadislowered.


/http://www.h


use#pd-google


18/50

RS

URS

very

ually

dre-

ators.

ED

RS

very

ally

dre-

ators.

RS

EVERY

NE,SHOWINGPOINTSOFLUBRICATION

CANBETAKENCAREOFBYOPERATOR


/http://www.h


use#pd-google


19/50

arD8,D7,D6,D4 orR4Tractors

3"

8"

6"

6x19 wireropeofWarring-

ndcenter,pre-formed,Langlay,and

steel.Forlengthofcablesrefer

minfrontof PartsCatalog.

S

20'

wbar24'11"

oller

Roller

th18.00x24tires)7,600Ib.

400Ib.

LOPERATION

mbledit willfirstbenecessaryto

oassemblinginstructionsonpage9

hesheavehousings.(Referto

nfrontofParts Catalog.)

makeanynecessarycorrections.

s tobetowedfromoneplaceto

sofnormal operatingspeeds,make

reerollingwithnopre-loadon the

rethattheadjustingnutis properly

stodetermineifproperlylubri-

ir pressure.(Refertopage14of

oroughlycheckedandallcorrec-

eplacedinoperation.


/http://www.h


use#pd-google


20/50

ose

pose

elubri-

headgrease

ngswith

pose,No.2)

on,usinga

regreasegun.

reasefit-

dout

als. (The

withthe

)


/http://www.h


use#pd-google


21/50

veslub-

-head

fthetongue.

ging

n,usinga

egreasegun.

grease

outa small

hebushing

pur-

esabove

,general

raturesbelow

sheave

throughthe

ofthesheave

tsofthe

oughthe

ursof opera-

ypepres-

forceouta

he sheave

rit that

point.

pur-

esabove

,general

turesbe-

par-

atinfre-

a rustpre-

ntrolUnit

Craneis

chand

hat portion

tothecable

gerofoil

causing


/http://www.h


use#pd-google


22/50

y8hoursof operation.

wo18.00x24 20plytires,inflate

urein averageconditions.OnCranes

0 plytires,inflatethetires to40Ib.

econditions.

otconditionswhereloadsupto

ed,necessitatingareductioninload

00Ib.,airpressurescan bereduced5to

adandconditions.

es,addedflotationwillbe

tsareof atypewhichareordi-

ntenancemen.Foradjustmentinstruc-

3and4of theRepairSection.

TY,MUDDY,LOWTEMPERA-

RMALCONDITIONS

ndertheoperationoftheCrane

idenoughto permitthetractorand

ouldbeused whenoperatingin

osewhichareusedwhenoperatingin

efertolubricationinstructions.)

AGE

orage:

alldirt.

ication.

S.A.E.10 or30).

ordertotaketheweightoff

ures.

xportshipment,first removewheel

sassemblemainstructuresofCrane.

structionsonpage8of RepairSec-

tructure(1)onblockson groundand

op oftongue,withaxleplates(3)

ousings(4), andwoodblocks(5)

oomandhousing.Layboompipes

ctureandplaceheadstructure(8)

own.Laycenterbrace(9)andhook


/http://www.h


use#pd-google


23/50

eadstructure.Placebalancebeam

ure.Securelywirepartstogether.

eandU-boltsand wrapinwaterproof

crews,etc.,inboxorburlapbag and

er.WirecableandpackagestoCrane.

le assembliescanbeshippedassepa-

removedfromCrane.

semblinginstructionsonpage9


/http://www.h


use#pd-google



/http://www.h


use#pd-google


25/50

CE

mpledesign,fewinstructionsare

g,overhauling,assembling,andmain-

es.

ndcareofthe Cranewillbemany

ndtrouble-freeoperation.

edasspecifiedbelowat theinter-

ED

entandmakeanynecessarycor-

ontodetermineif properlylub-

etermineifcorrectlythreaded.

djustment.

stment.

tructionsonpage12 oftheOpera-

ctionsonpage 14oftheOperation

f adjustment:

ent.

ment.

owingpagesgivecompleteinfor-

akingtheseadjustments.


/http://www.h


use#pd-google


26/50

elbearing

8hours

e

g.

e-

nd

-

dbe


/http://www.h

athitrust.org/access_use#pd-google


27/50

tter

y.

ng

on

y.

ck-

rn

an

and

amp

yro-

ain

ut

-

all


/http://www.h



28/50

rend

ation.

check

gingback

oriscon-

thetractor

ilewatching

heforging.

firstre-

pbolts

mendof

usting

ng.Then

blockand

edirection

eliminated

oturn.Lock

ingcotter

gnut.

linspection


/http://www.h


use#pd-google


29/50

INGTIRES

edeitherwiththe wheelsonthe

moved.However,duetcthelarge

s,itisusually lessdifficulttoremove

wheelsremoved.Theuseofa hoist

resandwheelsisrecommended.

boomtothegroundandraise the

device.Ifthewheelisto beremoved,

oeffectitsremoval.(Referto Dis-

ollowingpages).

. Insertabarin thesmallgroove

hileprying uponthelockingring,

ve theslidingringtowardthe center

ethelockingring,andboththe locking

eremovedfromthewheel.

valvecapon thevalvestem.

ghtherim, intothetire.Theninsert

thetireandthe innerretainerring

eel.

theaboveprocedure.Becareful

ewiththebar.Insert onlyenoughair

ce.Besurethevalvestemis inthe

heelbeforeinstallingtheslidingring

allthesliding ringandlockingring

correctpressures.(Refertotire

ge14ofthe OperationSection)


/http://www.h


use#pd-google


30/50

MBLING

mbled

rwithout

eaxle

moving

dofaxle

ampbolt.

gnutby

onend of

atefrom

emoving


/http://www.h


use#pd-google


31/50

Todo

ringcone.

outerbear-

ng against

if axleis

using)or

axleis

g).The

nbepulled

saretobe

cupsfrom

ELS,

eels,bear-

avehousing,

mendof the

vepinout

usingandlift

eavehous-

the

ub ofthe

rging,

tefromthe

movecot-

andloosen

usting

urning.

blockand

kwiseuntil

eadjusting

f endof

gnutthrough


/http://www.h


use#pd-google


32/50

TURE

ure,first

nd and

ithblocks

e boomto

e ground

,removethe

heheadstruc-

TURE

mslips

movethe

stopcable.

xlesby

removing

achaxle

out ofthe

the boom

Crane.

firstre-

hsecurethe

ratthelower

ybyre-

connectthe

nterbrace.


/http://www.h


use#pd-google


33/50

ngs,oilseals,etc.whentheybe-

eonlytypeofrepaireverrequiredon

dingupanysmallcracksorbreaks

singa weldedmemberoftheCrane,

mber.

atedarcelectrodes.Keepthe

elylowtoavoidburningupthealloy

akbeforeit becomesserious.

aktogiveaddedstrength.

uCrane,simplyreversethepro-

reeofgrit,dirt,or otherforeign

onotreplacebearingconeswithout

dvice-versa.

cationbeforeoperatingthe

eadjustmentinstructionsonpages

ection.

becomesdry,soakin kerosene

theseal,rub theleatherwithsome

hasahammerhandle.Thiswill seat

ndroundoffthesharpedge,making

stallationwithoutdangerofinjury

edin placewithuniformpressure

gand breakingthesealcage.The

be installedwiththeleathercupped

easechamber.

NDCLEARANCESOF

BLEPARTS


/http://www.h


use#pd-google


34/50

lied

onlyifposi-

partnum-

NS.

si-

ne,nameof

ze,manufac-

chmachine

edtomachine,

essoriesfor

red.

ne-makeor

quisition.

lespacedto

ationswhen


/http://www.h


use#pd-google


35/50

ITIONS

THE

ITIONS

byuseofone

itionof

ubsequent

thorized

nsforneces-

allow-

ntbytelephone,

waysbecon-

equisitionmark-

ntifyingdata)"

SPAREPARTS"

r righthandcor-

equisitionform.

r,JlVs......1*......>-..1

Depot,Columbus,Ohio^ sclil

AiignutlU,igU?"^p..i~(ilpeciaj.

tyOfficer,PineCamp,NevfYork

SupplyOfficer,802ndEngr.Battalion,PineCamp,H.T.

gnature,Rank,Orgtmiation,Dcstiaation.Ifdlf-ArpHOvcn;

udc addrcM):

.

TOOT,MODELM20,SERIALHDHBERC-2500-M20A

quipment

ugustJO, 19Ua


/http://www.h



36/50

TIONS

correctformfor submissionbythe

sshownontheoppositepage.

DINMAKINGOUT

ationofwork,PropertyOfficersmay

preparerequisitionsinfinalform,leaving

blankforcompletionbyPropertyOfficer.

WILLBEOBSERVEDCAREFULLY

ONSFOR

sitionforeachdifferentmachine.

upperrighthandcornerof requisition

onbyuseofoneof thefollowingterms:

tionofauthorizedallowances.

bsequentrequisitionstomaintain

nsfornecessaryrepairsnotcoveredby

nstructions.

ureofmachine,andmake,model,serial

umber.

nd datedeliveryisrequired,immediately

ine.

dergroup headingsasshowninmanufac-

artsnumbersandnomenclaturedescriptions

y.Donotuseabbreviations.

ems.

sentbytelephone,telegraph,orradiomust

ediatelywithrequisitionmarked:"Confirm-

".

mustbeaccountedfor.


/http://www.h



37/50

UCTIONS

URFBWHFKIOBnFBIMr,DADTC


/http://www.h


use#pd-google


38/50

AM

MBERWHENORDERINGPARTS


/http://www.h


use#pd-google


39/50

MBERWHENORDERING PARTS


/http://www.h


use#pd-google


40/50

UMBERWHENORDERINGPARTS


/http://www.h



41/50



/http://www.h


use#pd-google


42/50



/http://www.h


use#pd-google


43/50

S



/http://www.h


use#pd-google


44/50

SYS.



/http://www.h


use#pd-google


45/50

MBERWHENORDERINGPARTS.


/http://www.h


use#pd-google


46/50

OSSSECTIONED



/http://www.h


use#pd-google


47/50

LODED



/http://www.h


use#pd-google


48/50

R,20PLYTIRES,USING18x24TRANSPORT,

TUBES,WITHVALVESTEMNo.TR-14M.


/http://www.h




/http://www.h



50/50

ed

/http://www.h


use#pd-google

tm 5-9060 crane, tractor, 20 ton

Documents