tm 5-8064 crane, bridge erector, heil m-11-a, 1944
TRANSCRIPT
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ALMANUAL
C-
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CALMANUAL
LIC-
Y1944
ngOffice
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y1944.
ted,BridgeErector,Hydraulic
publishedfortheinformationand
ARYOFWAR:
TofOpns(Cof Engrs)
rs)(2);Arm& SvBd
fC(1); TechSv(2);
;PE(PortEngr)(2);
2)exceptAlbany(Pub
p(25);DistO 5(2)
Engr(2);Gen& SpSv
Congress(2);ROTC(1);
10);CHQ(10);D(2);
ofollowing:T/O&E
7;5-216;5-217(5);
M21-6.
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3
HydraulicCraneM-II-A................Jfc..5
......5
......7
.........13
............................13
.................17
orWinch................17
.....................17
inch Treadways....................................18
8
............18
................................21
...................23
.....23
ine................24'
Time................-..................27
neSideofBoom................28
9
...................32
........32
............................34
........34
..........34
.........34
................35
.................................35
............35
...............37
m................-......37
.........38
.....91
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ngCranewithTypicalLoad
BODYANDHYDRAULICCRANEM-II-A
ONS
ncemanualhasbeenpreparedasa guide
enanceprocedurefortheSteel TreadwayBridge
ctionsinthismanualdonotapplyto thetruck
alforinformationapplyingtothetruckitself,'
erstooperatethecranegivessmoothopera-
hpracticeandcompletemasteryoftheseinstruc-
ndmaintainedbyanyonewhocanoperateand
oil inthehydraulicsysteminsufficient
oilleaks inthesystemmustbe promptlystopped.
thatithasbeen properlylubricatedasexplained
cationCharts.Thesechartsshowthelocationand
rrectlubricatingintervals,andtheproper grade
gconditions.
manualcarefullybeforeattemptingto
arwiththe operationofthecrane.
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BridgeErectingCrane
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MENSIONS:
s.
bs.
bs.
bs.
400 Lbs.
5Gals.
374";
h99";
or 2,437
ydraulicCraneis designedtocarryfour
ingpontons,or24 ft.oftheSteelTreadway
ha hydraulicallyoperatedcranetounloadand
owninFigure1anda partiallyloadedunitin
ybe loadedeithertothefrontor totherear
oftreadways,itis suggestedthatthepontons
ofacilitateunloading.
vertheentireloadand isshown,together
ures 4and5.
ingCraneinOperation
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thodofAttachingTarpaulin
hodofAttachingTarpaulin
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ntrols
platformatthefrontof thebody,Figure6.
eoperatorcan controltheentireoperationof
ngementofthecontrolsis showninFigure13,
peratesthecraneis explainedinFigures7
mp,whichisdrivenby thetruckenginethrough
rcestheoil throughthesystemtooperatethe
trolledbyoneMainValveandoneAuxiliary
)ThefunctionoftheDiversionValveis toper-
odsintheLowerCylinders.Areservoir(or
entoiltoreplacethat displacedbythepistonrods
isextraoil isrequiredasthe pistonsareextended.
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S
arofTruck
Neutral
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MS
b
ab.LowerCylinderControl
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LowerHydraulicCylindersofCrane
atethecraneandare showninFigure12.
nderscontroltheboomwhilethe twoshortlower
mi sintheextendedposition.Thenormalca-
ylindersoperatingis8,000pounds.
hafairleadat theright,rearcorner,anda
aybeloweredbeyondthenormalreachof the
donthe frontofthetruckandthreadingthe
SeeFigure31,Page29.
gofashovel,pickmattockandaxeare
,seeFigure2.
dtoolsare carriedinthetoolbox mounted
eldtothe chassiswithspecialhold-down
hismanualshowsthesebrackets.
UNIT
RUSE
gedwiththecareandoperationofa bridge
detailedinspectionandtolubricateall partsas
5.
nedfromthesecylinders!nthe truckengine
y.
mwithcrankcasedraining* orotheroilwhich
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R
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doilor refillthehydraulicsystem,useany
E10).Foroperationat temperaturesofzeroor
2,Paragraph5"a".
oundtwometalinstructionplatesas shown
s,outlinesthecompleteoperatinginstruc-
owedin thesequencegiven,nodifficultyshould
fthe hydraulicbridgeerectingcrane:
INGCRANE
ownondeclutchingpedal.
ingouterleverto therightasfar
loperatehydraulicpump.
ylindersbypullingValveLever
HESERODSMUSTAL-
REUNITISREADYTO
arwarddirection pushValve
dcab pullValveLevertoward
placeValveLeverinneutralor
lreturntoneutralposition
OPERATED PistonRodsin
ushedin(or retracted)toprevent
movingboom,UNDERNO
tion.
andleasfar aspossibletoright
sition UNDERNOLOAD.
LLSIDE.NEWJERSEY
s,Plate"A"
rontPanelofthe Bodyshowingallcontrols
wnindetail inFigure13.
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CylindersExtended(UnitReadyforOperation)
inLowerCylinders(UnitReadyforTransit)
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Ss
withregardto ProcedureNo.4tdbesure
cylindersarefullyextendedbeforeliftinga load
erodsmustbeextendedsothat aftertheboom
on,thepistonrodsof thelowercylinderswillbe
htoftheloadat thatpoint.Figure15showsthe
nreadytoreceiveaload.
dsfullyretractedwiththe boominridingposi-
torstorage.In thispositionthepistonrods are
wouldcauserusting.See"CAUTION"onIn-
thelowercylindersfor transit,orstoragesee
ionPlate"A"underheadingof "CAUTION",
KE-OFFFORWINCH
f thebodyisthepowertake-offleverfor
the rightaswellas totheleft,forreversingthe
owertake-offleverin centerposition,thepower
eFigure13. Thefront-mountedwinchisused
or loweringthetreadwayswiththesnatchblock.
unitwitheitherofthe uppercylinders,(i.e.
edandthecrane maybestilloperatedwitha
s,closethetwoemergencyvalves(Figures11
urelines onthesidewhichis damaged.Remove
,whichattachestheendofthepistonrodto the
eflowof oiltothecylinderson theopposite
mto beoperatedwiththetwolowercylindersand
hismanner,nomorethanone
.
dunderthecentertrapdoorof thefloorof
the undersideofthetruckchassis.Metal
chofthesevalves.ThevalvesshouldNEVERBE
ency.Valvesshouldbecheckedperiodicallyto
edaccidently.
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owingEmergencyValves
DLING45inchTREADWAYS
onsaddles,andtwopontonsarecarriedin
howninFigure1. Thefourtreadwaysareplaced
eroadsurfacesofthe twocentertreadwaysfacing
fthe twooutertreadwaysfacingintowardeach
fourtreadwaysfacetowardtherearso thepon-
hetruckto facilitateunloading.Theponton
fourtreadways.Thecraneboomrestsonthe
UND
edandunloadedtwo atatime.Unload
htheroad surfacestowardeach-otherasshown
ontheintermediatelengthchainof theupper
hookin thecentereyelocatedontheside sur-
Figure19.
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TreadwaysFirst.RoadSurfacestoInside
lipHookstoTreadwayEyesfor Unloading
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rTreadwayswithCenterSlipHooks
waystoHorizontalPosition
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movedfromthe truckbyusingthetwo
osschainassembly.SeeFigure20.Thesliphooks
hesideof eachtreadway.
eadwayswiththe roadsurfacestoward
waysinthismannerthey caneasilybelaidover
ng themawayfromeachother.SeeFigure21.
YS
treadwaysforthespacerbars,firstattach
hthehorizontalholeslocatedaboutthecenterof
thelowertreadwayhookinahorizontalposition,
einsideofthe treadwayside.Thentwistittothe
hookbearsagainsttheside ofthetreadwayas
sthroughthepear-shapedgrablinksofthe
sothepear-shapedgrablinkslockonthe outer
connectinglinksattheendsofthe liftingchains
YSIDES
chingLowerTreadwayHooks
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pacedwithBars.NoteChainArrangement
readwaysontoPontons
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23
dwaysswingfreelyandtheywillhangin
he spacerbars.Eachpairof treadwaysarecon-
bars areinsertedthrougheyeslocatedtoward
ways.SeeFigure23.
NTONS
aysdirectlytothesaddlesonthe pontons,
ragraphb.,pages 18and21,withthe following
r thetreadwaystoahorizontalpositionbyAT-
ADWAYHOOKSTOTHEINNERSIDES
ninFigure 24.Thispermitsloweringthetread-
ventinganydamage.
wayson thepontons,repeattheoperation
21and 23.
FTINGTECHA!N
StandTreadwaysonEdgeforLoading
AYS
ruck,removethespacerbars,Figure 23,
outerliftingchains tothecentereyeslocatedon the
etheboomto standthetreadwaysonedge.See
ertreadwayhookassembliesforthisoperation!
eloadedshouldbemovedtothe extreme
ws.First,attach theintermediatesliphooksto
aysarestandingonedge.Raisetheboomandthey
ly,attachthecentersliphooksto theeyesand
thetruck,Figure20.
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ON
adwaysasinstep (1)above,butloadthem
ateslip hooksareattached.SeeFigure18.Al-
he truck,Figure20.
DWAYSINLINE
ne,connectthemtogetherwiththeopen
uckasshowninFigure 26.Inserttheouterlift-
bothtreadwayhookassembliesandfastenthe
outerlifting chaintotheoppositeliftingchain
27.Thispositionpermitsmaximumlengthoflift-
SLIPHOOKSATTHEENDOFTHE
ERFORMTHISOPERATION.USE
GTOLIFTINGCHAIN.
ookassemblyshouldbeattachedto thetop
siteeachother,Figure27.This prevents
g.Figure27 showshowthehooksattachjust
ockofthecentertreadway.Notealsohowthe
kovertheguidebar onthetreadwayflange.
edformaximumhandlinglength.Thisper-
ytomovethetreadwaysforwardunderthe truck
balancethefrontendofthetruck.It isobvious
ocatedin thecenterofthetruckas inFigure26.
underthetruckmustbearagainstthe tiebar
ure28.
waysinLine,CenteredatBackofTruck
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RU
H
R
chedtoFlangesWhenLiftingThreeinLine
UnderTruckandBlaringAgainstTie Bar
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dlingFourTreadwaysata Time.
apacity.NotePlacingoftheFour
aysinProperPosition.
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WAYSATATIME
time,connectedinpairs,attachthetread-
readwaysatthebalancepointasshownin Figures
over thetreadwayguidebars.Inserttheouter
apedgrablinksof thelowertreadwayhook
blinkshouldattachtothechainjust abovethe
endofthe liftingchain,seeFigure30.
SLIPHOOKSATTHEENDOFTHE
PERFORMTHISOPERATION.
ter liftingchainwillpermittheboomto
ntlyto preventthefrontendofthe truckbeing
eadways,raisethetreadwayssotheyhang
rspacerbarsare used.Insertthehookedends
teeyeson theinnersidesofthe treadwaysas
tethatthecentereyesarenot usedforspacing.
ys,theboomis liftingatitsfull ratedca-
hereis noappreciabledistortionoftheboom.
chedProperlytoLiftFourTreadways
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WAYSONONESIDE
entalto boththehydraulicmechanismand
foreadvisable,whereverpracticabletobalancethe
ovethetrucktooneside ortheotherto eliminate
frameitself.
hereitwillbenecessarytohandleonlytwo
on onesideoftheboomas showninFigure31.
ortionoftheboomunderthis loadwhenapplied
y.THISABSOLUTELYISTHEMAXIMUM
BEAPPLIEDTOONESIDEOFTHEBOOM.
usethe upperboomsupporttobendor twist
amagethe truckchassis.
liftingtwotreadwayson onesideisshown
wayhookassemblyto theouterliftingchain,
connectinglink.Attachthetreadwayhooksto
epointas showninthefigure.Thenbring the
ndfastenit tothefirstlifting chainatthepoint
sbelowthelarge connectinglink.IMPOR-
asteningtheoppositechainto thechainlifting
transmitspart oftheloadtothe oppositeboom
stortion.ALWAYSUSEBOTHCHAINS.
ED
AIN
waysonOneSide.NoteBoomDistortion
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rtreadwaystoapointlowerthan thatattain-
isnecessarytousethewinchon thefrontofthe
dinthe toolbox.
ftingchainsoverto theiroppositesidesso
centerchainsectionandattachtheGRAB
Figure32.Attachthesnatchblocktothe
his willdistributetheloadevenlyto bothbooms.
rtreadwayhookassemblyintothe holeson
nsideandlockin theverticalpositionasshown.
lldrumofthefront-mountedtruckwinch
ht rearcornerofthetruck.Threadthe cable
ownin Figure32andfastensuitablytothe large
yhookassembly.
hBlockDirectlytoUpperBoomSupport
dCabletoHandleTreadways.
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ThroughFillerPipe.NoteReliefValveBeneath
reliefvalveinthe fillerpipedirectlyunder
5,to relieveanypressurethatmightbuildup in
orexcessoilthat mightbeinthe system.Pressure
,however,maybebuilt upbyexcessoilin the
ad.Forthis reasonitisrecommendedthatthe
ionin aboveparagraphhasbeencompleted.
SYSTEMmaycausebackpressureinthe
loweredbygravitytosuchan extentthatthe
eliefvalve shouldtakecareofthisbutifit
efullyremovethefillercaptoreleasethe excess
ngthis topreventthecapflyingoffand injuring
TEMwillcausejerkyaction.Thisis
ichiscompressible.Anotherindicationofoil
atedby thepumpwhenitis beingstarvedfor
mmediatelyremediedbyaddingoilorrefillingas
page32.
rainthereserveoil tankfirstbyremoving
.Drainthe uppercylindersbyremovingthe
cylinders.BECAREFULNOTTOLOSETHE
EMOVINGTHEPLUG.
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
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mBelow
ownClampSecuringBodytoTruck
M
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r g / a c c e s s
_ u s e # p d - g
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benecessarytoreadjustthispart. Ifforany
nthefieldthe by-passvalvecanbeadjusted
ssspringtolift fourtreadways,thentightening
rns.This shouldprovideaby-passpressureof
eprovidedonbothsides toholdthebodyto
smustbekeptabsolutelytightat alltimes.
lts holdingthebracketstothechassisframeand
etstogetherasinFigure39.
ICSYSTEM
k,Figure 17.
gure40.Itis necessarytoremovethe
mthepumpshaftfirst butitis notnecessaryto
or minoradjustments.
or defectsorexcessivewear.Ifplates
notexcessivelyworn,theexcessendplaymay
ngoneor twolayersofthelaminatedgasket.
ingthecoverplatethat ampleclearanceis
raulicPumpShowingParts
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
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earswhichshouldturnwithavery slightdrag
wntight. Addorremovegasketlayersuntil
obtained.-
eorlowpressurelineat thetank(Figure
ssembled.
ESNOTOPENTheemergencyvalves
inParagraph(e),Page17,EmergencyOpera-
YSTEMAllleaksmustbestoppedwith-
vecouplingandapplysealingcom-
aceentirehoseassembly.
andpackingin cylinder.
olvalve:Replaceoilseals.
eplaceoilseals.
ng.
ODS
onrodsinthe hydrauliccylindersisofa
hasan automatictake-up;i.e.,aspringisin-
hefunctionofthisspringisto spreadtheleather
eleatherbecomesdamaged,itispossiblethat
pletelywornout.
erefore,itis recommendedthatthegland
hersinstalled.Inorderto replacethispacking
essarytoremovetheendofthepiston rod.In
rsmaybe cutwitharazorblade.When re-
threeleathersshould beassembledtogether
cutsonoppositesides,andtheninsertedin the
end.AlwaysreplaceasmanyV-leatherringsas
softhiskind.Alwaysleavethe firstleathernext
M
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
r g / a c c e s s
_ u s e # p d - g
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romptly
denti-
rrect
ONON
UT
meof
model
mberof
sattached
acces-
equired.
keor
on.
cedto
when
M
P u b l i c D o m a i n ,
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_ u s e # p d - g
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ONS
tformfor submissionbytheEngineerProp-
itepage.
INMAKINGOUTREQUISITIONS
ofwork,PropertyOfficersmayauthorize
ionsinfinalform,leavingrequisitionnumber
opertyOfficer.
LLBEOBSERVEDCAREFULLYIN
ORSPAREPARTS:
oreachdifferentmachine.
rrighthandcornerof requisitionform.
useofoneof thefollowingterms:
nofauthorizedallowances.
equentrequisitionstomaintainauthorized
necessaryrepairsnotcoveredbyallow-
ctions.
machine,andmake,model,serialnumberand
deliveryisrequired,immediatelybelowde-
up headingsasshowninmanufacturer'sparts
mbersandnomenclaturedescriptionsaccurately
viations.
telephone,telegraph,orradiomustalwaysbe
uisitionmarkedr"Confirming(stateidentify-
accountedfor.
M
P u b l i c D o m a i n ,
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M
P u b l i c D o m a i n ,
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i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
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M
P u b l i c D o m a i n ,
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i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o
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rcranebooms)
A177
o.1612
werCylinders....
d
ms,V/4"x5}J
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P u b l i c D o m a i n ,
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M
P u b l i c D o m a i n ,
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NGSANDMAINSHAFT
3/4"1
s/g"2
Key,2/2"x3'/i"2
AE2
2
(Outer)2
aight,No.16102
A3B911Bearing)2
AE12
in(Inner)2
ight,No.16102
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forLowerRightCylinder1
S....:2
forLowerLeftCylinder1
SS2
tLowerCylinderSupport
erCylinderSupport)
B2522Plate1
"1
aightNo.16101
LowerCylinderSupport
erCylinderSupport)
HB2521Plate)1
1
aight,No.16101
sordering
dyassembled.
AE18
werCylinderSupport)2
AE2
2
1Pin)2
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P u b l i c D o m a i n ,
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ndA27A1502Tie
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P u b l i c D o m a i n ,
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-
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body)
te
yBrockway
kwayNo.500384)
ayNo.7057)
rockway
ock'y500385)
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SAE
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P u b l i c D o m a i n ,
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4"xl/t"
dClip
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P u b l i c D o m a i n ,
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-
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Lower,Shert
*'No.1612
ead
,Ex.Strong
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P u b l i c D o m a i n ,
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M
P u b l i c D o m a i n ,
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r g / a c c e s s
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M
P u b l i c D o m a i n ,
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M
P u b l i c D o m a i n ,
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NES,ANDRELIEFVALVE
ACKET
ain)1
SAE2
AE2
erve1
AE2
DFITTINGS
"x30"1
a"x52'/4"1
4"x321/,"1
10"1
27"t1
SP/i"1
Hydraulic,(withFittings),
Hydraulic,(withFittings),
Hydraulic,(withFittings),
emale)3/4"2
emale)1"2
x'/,"x3/4"1
0 2
",90 1
1"x3/4"1
2
1
,1"Close1
d,1"1
"x4"1
cessed,1"1
"x3"1
(PowellCo.No.650)1
yxH",USS7
ief1
y)1
4"1
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P u b l i c D o m a i n ,
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M
P u b l i c D o m a i n ,
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S
(withFittings),yt"x24"
(withFittings),3/4"x19"
(withFittings),3/4"x32"
oFemale)
aletoFemale)
etoFemale)
Co.No.120)
3/4"x3'/4"
3/4"x6"
3/4"x6/2"
3/4"x7"
3/4"x73/4"
3/4"x834"
3/4"x223/4"
y4"x24%"
3/4"x28"
3/4"x56'/2"'.
3/4"x74"
/4",90
3/4"
ng,Close,%"
rong,3/4"xls/8"
rged,3/4"
rong,3/4"
(BoltedtoBody)
AE,
USS
(BoltedtoBody)
E
yx5/8",USS
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P u b l i c D o m a i n ,
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M
P u b l i c D o m a i n ,
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_ u s e # p d - g
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,(PowellCo.No.120)....
wellCo.No.650)
M
P u b l i c D o m a i n ,
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-
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E
HOUSINGARENOTSOLDSEPARATELY
n1
AE4
ng1
rong,%"1
d1"1
oBoltValvetoFrame)2
ToBoltValvetoFrame)2
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P u b l i c D o m a i n ,
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-
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OUSINGARENOTSOLDSEPARATELY
rLowerCylinders
arage,No.
)
Hole);
AE...
SAE
oBolttoBody)
M
P u b l i c D o m a i n ,
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-
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M
P u b l i c D o m a i n ,
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-
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M
P u b l i c D o m a i n ,
G o o g l e - d
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-
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M
P u b l i c D o m a i n ,
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RTAKE-OFFFORWINCH
M
P u b l i c D o m a i n ,
G o o g l e - d
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-
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RTAKEOFFFORWINCH
verOnly)1
67/2,No.16481
edtoH",I-D1
ng1
AE1
/4",(forWinch)1
A2732BellCranks(Weldedto
2,No.16122
toff" I.D2
%",(forWinch)1
%"1
,(for13A2732BellCrank)1
AE2
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P u b l i c D o m a i n ,
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RTAKE-OFFFORPUMP
M
P u b l i c D o m a i n ,
G o o g l e - d
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_ u s e # p d - g
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-
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RTAKEOFFFORPUMP
ntrol...,
.1648
mp). .
Crank
o.1612
D.
Pump)
1732BellCrank)
M
P u b l i c D o m a i n ,
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_ u s e # p d - g
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-
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OLS
M
P u b l i c D o m a i n ,
G o o g l e - d
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8/13/2019 Tm 5-8064 CRANE, BRIDGE ERECTOR, HEIL M-11-A, 1944
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OLS
er
n)....
%"..
dy)....
o.1612
H"
D
)
%"
o.1612
D....
&"
/B"
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P u b l i c D o m a i n ,
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-
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LS
M
P u b l i c D o m a i n ,
G o o g l e - d
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_ u s e # p d - g
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-
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SSEMBLY
M
P u b l i c D o m a i n ,
G o o g l e - d
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_ u s e # p d - g
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-
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SSEMBLY
o.16121
/32"1
/8"2
.16121
1(weldedtobody)....1
1
M
P u b l i c D o m a i n ,
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_ u s e # p d - g
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-
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EQUIPMENT
CCRANEM-LU
NNO.
INGCRANE
ownondeclutchingpedal.
lingouterlevertothe rightasfaras possible.
loperatehydraulicpump.
dersbypullingValveLeverforwardorIow