tm 5-9722 shower-unit, trailer mounted, ec-3
TRANSCRIPT
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UAL
D,
RHEADS,
LEC-3
ONSANDPARTSCATALOG
EPT.1944
Publ
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UAL
ND
AILER-MOUNTED,
WERHEADS,
LEC-3
ONSANDPARTSCATALOG
EPT1944
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ept.1944
eld,Trailer-Mounted,WithHeater,8Shower
delEC-3,ispublishedfor theinformationandguidance
fWar:
olseeFM21-6)> i
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acities12
sumptionsforanEightHourDay12
ate13
4
17
9
d19
5
6
ve27
Shackles30
mper31
riveEnd31
aftHousing31
l31
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ature37
7
ngWhenIdle37
dTheirCorrection42
43
e49
ercurySwitchBroken50
tor'.51
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57
peed58
61
inCombustionChamberandonValves66
emoval66
3
wingHead)73
emoval73
e75
erPressureservice80
erPumpPressure80
eplacement81
wingEnd)82
ent82
End82
ctoryFiringEnd83
ent85
ater85
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86
0
5
mentandCleaning97
rodeAdjustments100
4
4
4
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06
ySwitch106
hNewSwitch107
09
4
heave115
119
dAirCleaner119
9
19
odandPistonAssembly119
9
trolLeverandGovernorSpring123
Weights123
gerPushRod123
23
23
ushRod125
Weights125
125
ControlLeverandGovernorShaft125
t125
ConnectingRod127
ofValves128
29
se130
randAirFilter130
ead130
andStarterRopeSheave131
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ndFuelTank131
gandWiring131
Using132
ore143
ut146
147
ripArms149
shing152
s154
0
62
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71
6
0
182
84
ckAssemblies186
188
emblies194
mblies196
98
4
eCoupling205
6
Rotor207
08
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bleFieldShowerUnitisaself-containedoil-fired
roduce16gallonsof warmbathingwaterperminute,
howerheads.Formobility,thedisassembledshower
emountedontop oftheunit,togetherwithdischarge
iremachineismountedas anintegralunitona two-
el,mountedasacomponentpartof thelunettetowing
positionwhiletheunitis beingtowedbutisloweredinto
eleasedfromthetractor,andaidsin maneuveringthe
heheaterisequippedwith fourcompletepassesof
ssbeingthelargecentertube orcombustionchamber,the
wogroupsoftubes ateithersideofthe firetube,andthe
ow.Theventpipe, orstack,isapart oftheouterhead
ter.
ssure-atomizing,single-nozzletype.Fornormal
stalledatthe factory,shouldbeused,capacity,fourgallons
e rawwaterisverycold,thefive-gallonnozzlesupplied
talled.Wherewarmsupplywaterisencounteredand
e three-gallonperhournozzleshouldbeinstalled.
econtrolactuatesasolenoidvalveintheoilsupply
or closingitasrequiredto maintainpracticallyconstant
byconstantelectricsparkwhilethemachineisin
videdbya generatorandahigh-tensiontransformer
ofthepowerplant.
anks,oneateachsideofthe unit.Pipingfromthe
oarrangedthatthe burnersupplymaybedrawnfrom
siredbytheoperator.Halfof eachofthetwoside-
evotedtotoolstoragecompartments.
ppliedby ablowerhavingashutter-typedamper
portioningthevolumeofairto thefuel.
pwaterfor theunitisdrawnfrom astream,lake,or
nhoseanddischargedintothe heatershellwhereitab-
stiongaseswithinthe tubes.Waterthusraisedtothe
ureisforcedbytheincomingwaterpressurethroughthe
werstandand outthe8showerheads.
tis providedbyasinglecylinder,air-cooledWis-
odelAK,direct-coupledtothewaterpump.Powertrans-
pump,andgeneratoris bymeansofV-belts.
nMotors,ModelAK.
H-Sg",A-18020.
-1295.
8,18mm.
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nued
0056-1,3600RPM.
Departure-ND87504.
ll/2P.O.
s-AdamsonSealmaster,NP-16.
cator,CRC480.
onarch,G-49-B.
.,ModelOLK-C.
bricator,No.683-3,HOVolt.
inneapolis-Honeywell,T-415AX
ster,511-AJ,110-10,000Volt.
tion,7.50x20,8-ply.
5Pounds.
o.44530D1
Co,No.46138.
Co,No.46137.
n,No.3920
n,No.382.
ken,No.'.3979.
mken,No.585-A.
nds.
APACITIES
.
nsEachTotal50Gallons.
s.
Gallons.
hes(W)x 16inches(H)x27 inches(L)
ONSUMPTIONSFORANEIGHT-HOURDAY
40Gallons.
cludingdrainingandrefillingevery
lons.
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SBEFOREOPERATING. NEVERLIGHT
CIRCULATINGTHROUGHHEATERAND
HEADS.IFHEATERFIRED WHENNOT
WATERITWILL BEDAMAGEDBY
EATERINFUEL OILLINESFROM BOTHFUEL
ALVETOBURNER.
ATERWITHWATER,MAKING SUREALLSUC-
ARETIGHT.
ROMSHOWERS, STARTBURNERBY OPENING
EROUTLET ONLYENOUGHTOCLEAR SMOKE.
MAYBERAISED ORLOWEREDBY ADJUSTING
OFTHERMOSTATICFUEL OILVALVEAS
TPIPE FROMHEATERSHOULDBE PARTLY
OTPROVIDE SUFFICIENTHOTWATER,
UNTILPROPERTEMPERATURE IS
FUEL,ADD1CUPNO.20LUBRICAT INGO IL
NEUSED, ADD1OT. PER5GALLONS.
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S
fillerplugwithgood,cleangasengine
F.oroveruseS. A.E.No.20oil. Fortemper-
seS.A.E.No. 20oil.Forcolderweatheruse
eltankwithgoodcleangasolineofan octane
bottomoftank.
asewhenenginestarts.
fnecessary.
valveopeningisapproximately%to1'A turns.In
urnmorefacilitatesstarting.
enginewarmsup.
agneto holduntilenginestops.
REDUCESREPAIRS
revery50hoursof operation.Sparkpluggap
ditionsa goodaircleanerisnecessary.
LLTIMES.
ORATION
SD-53-B
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delEC-3
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RVICE
ig.2)
onatthebankof astream,reservoir,river,orother
uctionlift willnotbegreaterthan 15feet.(Note:Only
conditionswill asuctionliftof20 to25feetbe possible).
teris entirelyamatteroflocalconditions.However,if
byawindbreakor otherhousingarrangement,fuelcon-
ndmoresatisfactoryoperationassured.
hosen,theshowerrackshouldbesolocated,forsanitary
tewaterfromdrainingbackinto thestreamabovethesuction
eamPlanView
nsmakeitnecessarytolocatetheshowerstandassembly
eatingunit,thetotal suctionanddischargeheadofwater
n bedonebyremovingearthfromunderthe wheel
kingupthewheel onthelowside.This willleveltheunit
ut earthunder,orbyblockingupthe casterwheelatfront
fromfronttorear.
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ngArrangement
LES
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NGUNIT
D(SeeFig.3)
eoperatingequipmentpackedontopofthe unit,
ose,carefullyinspectthestowagearrangementsothat
kedfortravelinthe samemanner.Unlockthepadlockson
d alsothelockonthe slidingdooraroundthecircularend
thedooras farasitwill go,exposingthewaterpump
thelowerrearcurvedsectionofthe hoodoverthepower
napwhichholdsthe hingeandhaspinthe lockedposition.
aticbracketlatchescatchandholdhoodopen.Standon
he wing-nutsandhold-downclamps(A)thatsecurethe
nit atthepowerplantend.Alsor emovethewine-nuts
t thetowingendoftheunit.
TAND(SeeFig.4)
tandassembliesfromthetopof theunit.Laythe
esonthegroundwithshowernozzles pointingupwardand
end.Withthepipe wrenchfromthetoolbox,drawthe
eeelbowisthewatersupplyend andshouldfacethe
hortarunof hoseaspossiblebetweentheunit andthe
pletedassemblysothatshowernozzlesfacethe
kentopreventdirt frompluggingshowernozzles.Next,
portshouldbelifted intoplacewhiletheshowerrackis
oninsertedinto thepipesleeveattop ofshowersupport.
ughtupandfastenedintoyokeonshowerrack bymeans
ertedintothehole inthepinwill preventitfromslip-
emainingshowersupportisnextpositionedina
showerstandisassembled,it shouldstandasnearlylevel
arthunderitssupportsasrequiredin leveling.
endfromwatersourceto thesuctioninletonthe water
tthe suctionliftmustnotexceed15feet.Removehose
etandcouplefemalehoseend tomalecouplingonpump,
ergasket isinplacein eachcoupling.(SeeFig.5).
thhosespannerwrench.Removeiy2inchbrasssuction
ttachto maleendofsuctionhose,atwatersource.Sub-
he hoseinwater.(SeeFig.6).
an savehimselftroublebytakingprecautions,as
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ctedtoWaterPump
eArrangement
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idoutinas straightalineas theterrainpermits.
euptight.
whenplacedinwater,will becoveredatalltimes
conditions,andsubmergeddeepenoughtoprevent"pull-
nrocksor othersupporttoprevententryofsand and
thatleaves,weeds,sand,orother streamrefusewill
m asmall,shallowstream,locatesuctionstrainerat
deepest.
owedandreasonablecareexercisedinpreparation
shouldbeassuredagoodsupply ofwaterundersustained
g.7)
eto theheatingunitaslocalconditionswill permit,
argehoseshouldbeconnectedtothe45-degreeelbowonthe
endshouldthenbe connectedtothedischargeoutletonthe
beenremoved.Allcouplingsshouldbedrawnuptight
ner wrench.
nectedto'Unit
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erN.
oleO.
erP.
Pres-U.
V.
ve
ulb
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EPARINGUNIT
8)
dwith aJaegerModeliy2inchPO centrifugal
type,so designedthatcloggingisreducedtoa minimum.
riSeal" replacestheconventionalpackinggland.The
edtogetherbyaspring whichprovidesuniformpressure
Lubricationis theonlyattentionrequred.
n theupperportionofthe primingchamber,to
mleakingbackpastthesuctioncheckvalvewhenthe
belowthe primingvalvesothatit maybereadily
ecessary.
tedin antifrictionbearings.Fastprimingisac-
rculatingjetwhichshuts offautomaticallyassoonasthe
imeplugin teeontopofpump dischargepiping,
ntilitoverflows.(SeeX,Fig.8).This operationwillprobably
hasbeenoperatedrecently,becauseenoughwaterwill
helltoinsuresatisfactorypriming.Anothermethodof
movethestrainerfromthesuctionendof thehose,andraise
epumpinlet,then pourwaterintothehoseuntil itover-
eopenend ofthehoseandsubmergeit inthewater
trainer,underwater.The checkvalveinthepumpdis-
gvalveon theinsideofthe pumpwillholdprime.
VERHEATING,THEWATERPUMPMUST
WATERINTHEPRIMINGCHAMBER.
e unitshouldbeclosed.Thesevalvesare:
datthebottomofthe heater.
ve,locatedinheaterfeedwaterline,directlybelow
of powerplant.
ouldremainopen;itis locateddirectlyabovethe
g.8)
9)
ontheright sideoftheunit,with anon-leadedgaso-
octaneratingof atleast67.Tankcapacityisthree
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NER
VE
kandFuel Strainer
e tankisafuel strainerfittedwithawing-handleshut-
sflowto thetank.Thisvalveshouldbeopenedfully at
nerbowlto fillandfuelto flowbygravitytothe
esoftheunit, withfueloil.Capacityis25 gallons
50gallons.
edforusewitheitherNo.1, 2,or3 U.S.Standard
atedgasoline,orlubricatedkerosenemayalsobe used.
No.2,maybeusedin extremelycoldtemperatures.
shouldbe.avoided,asthepressureatomizingnozzlecan-
ssaryforpropercombustionunlessthefuel ispreheated.
used,onequartofNo.30 lubricatingoilmustbe
allonsofkeroseneorgasoline,toprovidelubricationfor
eburnerwithgasoline,extraprecautionsmust
it failtoigniteon thefirstoperation,thecombustion
ofthecarburetedor vaporizedandhighlyexplosivegases
orchfora newstart.Withthefuelsupply shutoff,run
damperopen,foratleast15 minutesbeforeagain
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PREPARINGUNIT
ail toaddonequart oflubricatingoiltoeachfivegallons
nitanddirectlybeneaththe powerplantarefour
esthatcontrolthesuctionandreturn ofthefuetoil to
vesbeneaththe waterpumparethereturnvalves;the
ethesuctionvalves.ALLFOURVALVESSHOULDBE
,EXCEPTWHENTHEUNITISTOBEMOVED
eeventthatoneof thetanksshouldbecome
dreturnvalvesinthe fuellinestothattank shouldbe
edbyremovingtheplug intheteein thesuctionlineat
atingend oftheunit,is abayonet-typegauge
minethe oillevelinthe tank.
E,Fig.8)
etothe burnershouldbecheckedtoseethatit is
g.8)
fromthefuel tankstoafuelstrainer mountedonthe
earthewater pump.Thestrainer,havingtwoscreen
whichmayhaveenteredthesystem.
owsthroughcoppertubingtothesuctionport ofthe
enterof thepowerplant,betweenthegeneratorandthe
ernalgeartypeandis drivenbymeansofaV-Belt
.Thedischargefuelline fromthefuelpumpleadsto
OR(SeeJ,Fig.8)
ountedonthe backofthecontrolpanel,onthe end
has beenadjustedatthefactorytodeliver fueloilto
f100poundspersquare inch.Excessfueloilisby-passed
o thetank.Apressuregaugemountedonthe regulator
eoil fedtotheburner.
g 8)
essureregulatortotheburner isasolenoidvalve
theburner.Thisvalveisnormallyclosed,andcan be
currentpassingthroughthe coilofitselectromagnet.Fuel
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REPARINGUNIT
The solenoidvalveisthermostaticallycontrolledbythe
hewaterleavingtheheaterhas onthetemperatureregulator.
8)
dvalveand theburnerignitionissupplied bya60
enbyV-Beltfromthegasolineengine.Whendrivenat
hegeneratoroutputis 550wattsat110volts.
rissuppliedconstantlytothe primarywindingofthe
C,Fig.8)mountedontop oftheburnerassembly.The
voltageto10,000volts.Fromthesecondaryterminalsof
onwirespassthroughinsulatorsin theburnerflangeand
elain-coveredelectrodes.Thehighvoltagebetweenthe
acedy8inchapart,producesanarc thatignitestheatomized
e.Thisarcing isconstantduringengineoperationand
hesolenoidvalveopensandfuelis deliveredthroughthe
eswitchmountedontheoutletboxof thegenerator
matictemperaturecontrolswitchmountedonthefront
redin serieswiththesolenoidvalveandcontrolits
enttotheprimarywindingof theignitiontransformer,
withthesolenoidvalve,isalsocontrolledby themanual
Withthemanualswitchclosed,theautomaticcontrol
OR(SeeL,Fig.8)
risanautomaticcontrolandconsistsoftwo parts.One
o thewaterwithintheheaterat apointjustbelowthe round
eratingendof theunit.(SeeY,Fig.8) Theotherpart
on thecontrolpanel,andcontainstheswitchmechanism.
b areconnectedbyasmallcoppertube.The
eethatthis tubingisnotcut,bent,or flattenedinanyway,
mpairtheproper operationofthecontrol.
yprovidedwitha mercurytubeswitchwhich,when
iesof levers,makesandbreakstheelectricalcircuittothe
at thefactorytomaintainwatertemperaturewithin
proximatelyfivedegrees.Whenthetemperaturewithin
greesF,thehigh limitofthecontrol,theelectricalcircuitis
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tureSetting
oidvalvetoreturnto itsnormalorclosedpositionand
ngtotheburner.Whenthe temperaturedropstothelow
ectricalcircuitis againclosed,therebyopeningthesolenoid
o theburner.
setting ofthecontroltoa higherorlowertempera-
nthe slotinthelarger ofthetwofillisterhead screwson
andturnit totheright(clockwise).Turnitto theleft
rthesetting,(See Fig.10).
Fig.8)
normallybeleftin the"ON"position,sinceinthat
ectricalcircuitandwillpermitcurrent toflowtothe
atureregulatorswitchcloses.
the"OFF"positiononlywhentheoperatordesires
,sinceinthe"OFF"positiontheelectricalcircuitto the
dthevalvecloses,therebypreventingfuelfrom passing
FVALVE(SeeR,Fig.8)
meterisawaterpressurereliefvalve withitssideout-
ghthepowerplantbaseplate, towaste.Thisvalvehas
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N
rytoopen andrelieveatapressure of30poundspersquare
erdischargebecomeobstructed.
fill crankcasewithoiltothebottomedgeof thefiller
%pints. Ifpossibleoilshouldcorrespondto thetabula-
ricationGasolineEngine".(SeeG,Fig.11)
edas describedunder"LubricationMagnetoOiling".
led withoilasdescribedunder"Lubrication
K,Fig.12)
gures11and12)
SeeA&B.Fig.II)
ssuregun.
PurposeGrease,U.S.ArmySpecificationNo.2-108.
rsof operation.Greasebeforeplacingunitinstorage.
RINGSHACKLES(SeeD,Fig.II)
ssuregun.
PurposeGrease,U.S.ArmySpecificationNo.
rsof service.Greasebeforeplacingunitinstorage.
Fig.II)
acked.After1096hoursof service,removewheel
nstallnewpartsinplaceofworn ordamagedparts,repack
alPurposeGrease,U.S.SpecificationNo.2-108,and
deraxleasclose towheelaspossible,sothat the
punit untilthewheelcanbe rotated.Removesixnuts
wheelcanthen beremoved.
ewingitcounterclockwise(left).Removecotterpin
nscrewnut,andremovewasher.
ng,outer bearingcup,andinnerbearingcupwill
erbearingwillremainonthe axle.Removeouterbearing
rbearing offaxle.Thegreasesealshouldalsobe removed
washbearingsinfueloilor keroseneandcarefullyclean
asesealonaxleshoulder,withleatherfaceout.After
bearing,slideiton axle,withtapertowardaxleend.With
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N
slideon wheelhub.Aftergreasingouterbearing,insert
e end.Installwasherandcastellatednut,andwhilewheel
l tensionstopsthewheel,thenloosennut tonextcotter
y1/6turn)andinstallcotterpin. Thewheelshould
eobstructionmaybe lodgedinthebearings.Cover
grease,and screwonhubcap.
ATDAMPER(SeeF,Fig.II)
suregun.
PurposeGrease,U.S.SpecificationNo.2-108.
controlarmoffoftopshutter leafpinandraisetop
asefittingonbearing.Aftergreasing,slidecontrolarm
Greasebeforeplacingunitin storage.
DRIVEEND(SeeE.Fig.II)
suregun.
PurposeGrease,U.S.ArmySpecificationNo.2-108.
andbeforeplacingunitin storage.
HAFTHOUSING(SeeL,Fig.12)
.
PurposeGrease,U.S.SpecificationNo.2-106.
romgreasecuplocatedonshafthousing,andfillcup
wnuntilpressurepointis reached.
ur hoursofoperation,andrefillwhenempty.Fill
ybeforeplacingunitin storage.
AL(SeeM,Fig12)
.
PurposeGrease,U.S.SpecificationNo.2-106.
andfillgreasecupwithgrease.Screwdownwing-
nits retractedposition.Replacecapongreasecup,then
tely.Thisreleasestheplungerandforcesthegreaseinto
apagainandscrewdownwing-nut.Refillgreasecupwith
ackoffwing-nutabouttwoturns.
severy4operatinghours.Refillcup whenwing-
off.Refillcupandbackoffwing-nuttwoturns before
eG&H,Fig.12)
dviscositycorrespondingtothoselistedonthefollow-
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mySpec.No.S.A.E.No.
egreesF.OE-302-104A30
egreesF.OE-102-104A.10
.Adddieselfuel orgasolinetoOE-10butdo not
bouty4pint.
bottomofenginedrainpipe underpowerplant.
,replaceplug.Drainwhileengineiswarm.
atsideof crankcaseand,withfunnelinplace,fill
ole.Capacity1Y4pints.
hfourhoursandif necessary,oilshouldbeaddedto
.Thecrankcaseshouldbedrainedcompletelyafterevery
ncrankcasewhenplacinginstorage,attachingtag
ed."
eK.Fig.12)
ofair cleanerbypushingthewireclip tooneside.
tothelevelof themarkonthecup.The frequencywhich
and refilleddependsentirelyuponlocalconditions;how-
whenaccumulationofsedimentisevident.Undernormal
eacheighthoursof operation,usingsametypeandgrade
rankcase.
ig.12)
edevery256hours byremovingthescrewcovering
verflowing.Useagradeandtype ofoilidenticalwith
ase.
gpreliminaryarrangements,theunitisreadyfor
esconnected.
he burnerfueloilvalveareclosed.
illed.
sopened.
tion.
ontrolswitchsetatlowsetting,105degreesF.
efilledwithoil,andunitlubricated.
.13and14)
buretorairinlet horn.Thechokeopensautomatically
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e-offEnd
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BreakerPoints
ve,whichwillbefounddirectlyunderthe carburetor
closedposition,thenopenedapproximately%to1%
tingis sometimesfacilitatedbyopeningtheneedlevalve
engineruns thesmoothest.
e manualrope-pullstartertype.Removethe
box,inserttheknottedendintothe notchinthestarter
onthe sheaveinaclockwisedirection.Turnstartersheave
sedirectionuntilstoppedbycompression.Withonlya
g,graspthe woodenhandle,andexertaquickpulltoward
rankshaftoverclockwise.
tonthefirst attempt,theoperationshouldbere-
etoraccidentallysnapsopenduringcrankingitshould
threeturnsoftheengine.If fuelbeginstodripfrom the
uldbeopened.Itis necessarytochokethecarburetormore
her.
afterrepeatedapplicationsoftherope starter,the
checkedThesparkplug,toseethatno carbonorother
tweenthepoints.Thespark plugwire,toseethat itis
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oandtothesparkplug, andthattheseconnectionsareclean.
also becheckedtoseethatis isnotpuncturedatsome
d."Themagnetobreakercovershouldberemovedand
dtoseethatthe openingis.015inchandalso toseethat
free fromforeignmatter(SeeFig.15).
el linefromthefuelstraineris obstructed,by
satthecarburetor,withtheshut-Offvalveinthe fuelstrainer
loosenedatcarburetor,opentheshut-offvalveinthe
fuelflowsfreelythroughtheline.If itisfoundthat some
mayberemovedbyblowingout thelinewithcompressed
nremovedfromtheengine.Next,checktoseethatthe
ecapisopen.This maybedeterminedbyblowing
oleisplugged,theobstructionmaybe removedbyuse
ent.
eedshouldbe2050 rpm.CAUTION:Thespeed
exceed2050rpm,since thiswouldcausethegenerator
oilandthe ignitiontransformerandmightburnthemout.
opbelow2000rpm, asnotenoughcurrentwouldbegen-
ricalcontrolsproperly.
RE
gup, thefuel
elfromthetanks,
00poundsonthe
sureis aboveorbelow
oil pressurerelief
commendedpressure,
goncapat thetopof
iletheengineis run-
nthe slotofthe
andturnscreweither
pressuregaugewhile
Fig.16).
urnscrewout;to
screwin.
djustedto100
withawrench,setit
ons;ifanyare
nch.
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TINGUNIT
e,thewaterpumpshouldbeginto pumpwaterfrom
o determineifthepumphasprimedand ispumping
eratorshould opentheauxiliarycoldwatertake-offvalve
ust belowthepump.Ifasteadystream ofwaterflows
properlyand thevalveshouldbeclosed.
rappearswhenthevalveis openeditshouldbe
d,andthepumpagainprimedas describedintheparagraph
so,checktoseeifallhosesuctionconnectionsaretight,
tart engineagain,aspreviouslydescribed.
owerheads,partiallyclosethehotwater discharge
ckleof waterflowsfromtheshowerheads.
S,Fig.8)onthe blowerinlet.
SeeE, Fig.8).
gnitethefuel atonce.Byoperatinghandle(S,Fig.
heblowerinlet sufficientlytoclearsmokeemittedfrom
mustbesuchas willprovidesufficientairinproportion
isequippedatthefactorywitha four-gallonnozzle;
ditionsrequiremoreorlessheat,thenozzle canbere-
egallonnozzle,fromthespareparts.In allcases,to
o theburner,closetheshutteruntilsmokeappearsat
enoughtoeliminatesmoke.Neverallowburnerto
gthisadjustment,theoperatorshouldbearit inmind
smustgothroughfour passesoftubesbeforetheresults of
llbeseenat thestackoutlet.
sof firing,theproductsofcombustionstrikecold,
cesandthemoisturecondensesintowater,whichmaydrip
ter.Do notassumefromthisconditionthatthe heater
nditionwilldisappearafterafewhoursof operation.
mthefuel combustionwillraisethetemperatureof
willbeindicatedbythethree inchrounddialFahrenheit
etopcenterofthe heaterfront.
to heatcoldincomingwatersufficientlyforbathing
mperatureofthewatersupply,but isusuallyaboutten
otwaterdischargecontrolvalveshouldbeadjustedas
paragraph.
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OWN
MPERATURE
dto raisethetemperatureofsixteengallonsofwater
sFahrenheitperminute,thusprovidingabouttwogallonsof
adperminute.
alveis fullyopened,thewaterpumpwillbe per-
pacity,andagreatdealmorewaterthanis requiredforthe
hroughtheheater,resultingin toolowashowerwater
nordertocutdownthisvolume,theoperatorshould watch
nthe waterpumpdischargelinewhileheadjuststhe hot
lasteadypressureofabout 10poundsisreached.
estoapproximately110degreesF.the burnerwillauto-
emainoff untilthewatertemperaturedropstoabout105
n beautomaticallyignited.Theunitwillcontinueto
houtrequiringthe attentionoftheoperatorsolong asthe
ontainfuel forengineandburner.
mitting fromthestackatfrequentintervalsaredue
urseachtimetheburner ignitesorisextinguished,and
peratorthattheunitis performingproperly.
valve.Whenthe flameisextinguishedandthe
gedofgasesgenerallyinabouttensecondsholddown
untilthe enginestops.
ION
viouslydescribed.Removestrainerfromendof
suctionanddischargehoses,drainthemthoroughlyand
werstand rackontopofthe unit(SeeFig.17).Screw
dsuctioninlets.Disassembleshowerstandbyfirst remov-
ts.Next,turnover theshowerheadassemblysothat
yassemblyonthe ground.Withawrench,disconnect
edshowerstandontopofthe unit,firstlayonesec-
emblyon therackasshowninFig. 18,thenlaythetwo
opas showninFig.19.Layther emainingshowerhead
er threeunits,andfastenbymeansof theholddownclamps
hownin Fig.20.
EEZINGWHENIDLE
utdownbetweenoperatingperiods,andlikelytobe
sbelowfreezing,completelydrainthewatersystemasfollow*
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D
ngArrangement
AssemblyLoadedonUnit
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D
rtsLoadedonUnit
adAssemblyLoadedonUnit
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gthe drainvalveatthebottomof heaternearthe
nwater pumpdischargedrainvalvelocatedinthe
ectlybelowthewaterpump.Removethedrainplug atthe
elowthe suctioninlet.Whenthepumphascompletely
oopenthehotwaterdischargevalve.
E
edfora limitedlengthoftime,suchas 30daysor
uresshouldbefollowed.
describedin thepreviouschapter,"PrecautionAgainst
gasolinetankbyremovinggasfilter sedimentbowland
valve.
mfueltanksbyopeningdrain cocksintheteesin
ks,thenclosedraincocks.
enginecrankcasebyremovingpluginthe one-fourth
baseplatedirectlybelowengine,then replaceplug,attach-
estating"CrankcaseDrained".
dalsobe removed,theoildrainedandthebowl
ectaboutatablespoonfulofcylinderoilinto sparkplug
oil,drain,thenwrapthemin waterproofpaper
s.
preventingentryofmoistureandrenderingthe
rpumpandcasterwheelshouldbelubricatedas
tion",usingthetypesandgradesofgreasesasoutlined.
tandandpackdischargeandsuctionhosesonunit
sshownin Figs.17,18,19,and20.
for deadstoragerefertoParagraph37,Heaters,
eparationofEngineersEquipmentforStorage,issuedby
ceOffice,P.O.Box1679,Columbus,Ohio.
ribedunder"LimitedStorage"and"DeadStorage"
entbytowingorrail shipment.
eltoitsretractedpositionand hooktowingringto
Nodisassemblyofanykindis required,sinceunitis
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Wheel
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PlantEnd
DSPEEDSHOULDNOTEXCEED50
n flatcarorinboxcarandsecureto floorbyblocking
igs. 21,22,and23.
rationofCorpsofEngineersEquipmentforExport,
aintenanceOffice,P.O.Box1679,Columbus,Ohio.
IESANDTHEIRCORRECTION
ng,orifburner failstolight,thefault maybewith
sufficientfuelintanks.
oseethat pressureisnotless than100pounds.
strainer.I tspurposeisto removeabrasiveforeign
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LARITIES
ammerhead),todislodgeforeignmatterthat maybe
his treatmentfail,removethehexagoncapatthetop of
eis running,useascrewdrivertoturnpressureadjusting
espring pressureontheplungerwhileagaintappingwith
adjustasrequiredtoobtainthe properpressure(See
urnscrewout;to increaseoilpressure,turn
remediesproveunsuccessful,stopengine,dis-
viceasfollows:(SeeFig.26).
nectorinfuellinetofuel pump.Detach
nreturnlineto fueltank.
Removesupportbracket.Disconnectbrass
lve.
asket(H).Removeadjustingscrew(D).
sebut donotcompressvisejawsaroundit.
onnetgasket(J).Withdrawspringguide(G), spring
mblybyfirstunscrewingseat(P)andremov-
ewlocknut(L)fromseat(P),removelocknutgasket
E),andvalveliftingspring (N).
ndreassembleasfollows:
) intoseat(P),followedbyvalvestem
),andlocknut(L).Slipseat gasket(O)overseat(P),
tobody(A).
fbody(A),followedbyspring(K) and
et gasket(J)intoplaceandscrewbonnet(B) down
ewinadjustingscrew(D).
deviceontheunit,andconnectcoppertubing
ulateadjustingscrewaspreviouslydescribed,
ure.Whenproperpressure isreached,replacecapgasket
ace.
estedremediesproducetheproperfuel quantity
pis wornordefectiveandanewpump mustbeinstalled.
eblocktoreleasetensionontheV-belt,and remove
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ECTIONALVIEW
elPressureRegulator
vesheavefromdefectivepumpshaft.Disconnectcoppertubing
dischargeports,andremovebushingsandelbow.Remove
sinchcapscrewsthatholdthepumptothefoot andslide
movingfootfrombase block.
ce,fasteningittothefootwith thetwocapscrews.
argelines.ReplacesheaveandV-belt.Afterpumpsheave
base blockcapscrews.
atingandrequiresno serviceattention.However,
servicingforanyreason,itshouldbe replacedasdescribed
returnedtothefactoryforrepairs.In extremecaseswhen
orepair thepumpinthefield, proceedasexplainedinthe
urnerbutdoes notatomizethroughthenozzle,the
order tocleanthenozzleandits strainer,bythefollowing
onignitionwiresatthe transformer.Removefour,
ews,oneateachsideofthesquareburner mountingflange
passes.Disconnectcoppertubingconnectorinburner
e burnershut-offvalve,andwithdrawburnerassembly
ter.
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Assembly
nElectrode
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ip
nwiresfromtheelectrodesatthe connectorby
one-fourthinchroundheadmachinescrewsthatholdthe
clamp,thenslideout theporcelainelectrodeassemblies.
enches(SeeFig.29),oneto fitthesteelnozzletip
xagonfittingonthebrass nozzlebody,removethenozzle
fingers,removenozzlestrainerscreenfromnozzletip,
movetheinternalcorefromthe nozzletipproper.(See
ofthenozzle tipandtheslottedparts oftheinternal
so thatthesmalloilgrooveswill notbedamaged,particu-
nozzletipproper.Cleanthe nozzlescreencarefully,re-
oallowfree passageoffuelthroughthenozzle.Replace
ascrewdrivertoset itintightly,but donotuseexcessive
NOFTHEFUEL,ITISESSENTIAL
EBETIGHTLYSEATEDINTHE
s
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deAdjustments
n,screwingitintothenozzle tiponlyfinger-tight
zzlebody,usingwrenchesaswhenremoved.Seattip
age.
tothe electrodeclamp,spacingthemasfollows:
ch.
nch forwardofthenozzletip.
ch abovecenterofnozzletip.
chfromfrontsurfaceofthediffuserplate.
ntheelectrodeclamp,therebysecuringtheelec-
ctrodesbymeansofconnectors,andpasswires
nthe burnermountingflange.
rintoblowerhousingopening,andsecureit with
onnectignitionwirestothe terminalsonignitiontransformer.
valveis normallyclosed,andwillopenonlyif
hroughitscoil.I fthestrainer,pressureregulator,and
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ECONTROL
mporarySplice
ngproperly,butno oilisbeingsuppliedto theburner,the
ing energizedandtheplungerisin aclosedposition,
fueltothe burner.
energizethecoil maybeduetoany ofthe
allwiresareproperlyconnectedand
CTIVE
checktoseeifswitchbladeis makingcontact
ffound defectiveinstallanewswitch,butifit shouldbe
switchimmediately,thedefectiveswitchcanberemoved
onmadebysplicingtogetherthethreewires(See Fig.32)
lectricianstapeorinemergencywithadhesivetape.
BEDONEONLYASATEM-
NEWSWITCHINSTALLEDAS
AUSETHISSPLICEISEQUIVALENT
WITCH;ANDASCURRENTWILL
UGHTHISTEMPORARYCON-
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G
latorControlBox
DVALVEANDIGNITIONCANNOT
EDUNLESSTHEWIRESARE
OLMERCURYSWITCHBROKEN(SeeFig.33)
ositionofmercuryintheswitch.Mercuryis
dof theswitchwhentheshowerunitis cold,orbelow
wsmercuryin itsoffposition,suchaswhen temperatureof
egreesF.).I ftheglasstubehas beenbroken,anew
nstalledasfollows:
leadsand,withthepointof aknife,prythe
mercuryswitchneverattempttobreakitloosewith the
ontape,whichwilltakethe placeoftheambroidcement
nalswitch,shouldbewrappedaroundthenewswitchbefore
ninstallingthenewswitch,careshouldbetaken toplace
on astheoldone soasnotto changethebalance,since
ythrowtheentirecontroloutof adjustment.
leadstheoperatorshouldbearin mindthai
oallowfreemovementbetweenthe"On"to"Off"positions.
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OR
SFORMER
oSolenoidVatve
NERATOR
belt occurs,thecurrentfurnishedtothe
tbeenoughto lifttheplunger.Tocorrectthe slippage,the
shouldbeloosenedandthegeneratorpulledawayfromthe
ht.Thesheavesshouldthenbealigned andthenuts
esolenoid,removethegeneratorterminalbox
overedconnectionoftheblackwirefromthetemperature
efromthe solenoidvalve.(SeeFig.34).Ifa voltmeteris
gebetweenthesplicedconnectionandthetwo-wireconnection
metershouldindicate110 volts.Ifnovoltmeteris
whenconnectedbetweenthesetwopoints,shouldburn
tageis loworthelampburns dimly,orthereisno
es inthegenerator.Replaceterminalboxcover,but
es.
ycausedbypoorbrush contactswithcom-
tator.
movetheterminalcoversatthe endofthe
veend.Therearetwo setsofbrushes;twoforA.C.and
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shes
e solidsliprings.TheD.C.brushesrest on
htheenginerunningobserveif thereisanarc orsparking
ushes(therectangularbrushes)contactthecommutator.Ifno
commutatorisblack,the commutatorisdirty.Asmall
3/0 or4/0)foldedovertheend ofasmall,thin
tocleanthecommutator.(SeeFig.35).Holdthe sand-
mutatorwhiletheunitis inoperationandmoveit slowly
horttime,theblackcoatingwillbe sandedoffanda
ear.Donotsand morethanisneededto securethisclean
eworn,newbrushesshouldbeinstalledas
e springthatbearsonthe brushandthe
dfromits holder.Removethescrewthatholdsthebrushlead
mblyandthebrushwillthencomefree.To installanew
ideinthebrush. Attachbrushleadtobrushrigging assembly.
s,(SeeFig.37)removethe metalprotecting
caltubularshapedprojectiononthefrontbracketand,with
heinsulatorcap.Thiswillreleasethebrush anditsattached
ew(or replacinganold)brush,besure thatthe
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hfitsthat oftheslipring. Replaceinsulatorcapand
eshave
enoidvalvestillremains
at thesolenoidcoilis
placed,asfollows:
ctwir-
eneratorterminalboxand
lexibletubingandremove
oilhousing.Removescrew
mcoilhousing(C).
thenbe liftedoffof
wdriver,pryoffsteel
that securescoil(G)
coil cannowbere-
ted.
sing,
ssthenewcoilwires
hegeneratorterminal
tothe manualswitch.
cedto theblackwire
trolswitch.
eratingproperlybuttheburnerfailsto lightand,
rvationporthole,the operatorfailstoseean arcbetween
urner,itis anindicationthateithertheignition trans-
oltageis beingsuppliedtoit,sincethe arcingacrossthe
tantwhiletheunitis running.
ovetheterminal-boxcoverandbarethe three-wire
verfromthemanualswitch.Ifa voltmeterisavailable,
nthesetwoconnections,(SeeFig.39).Thevoltageshould
terisavailable,a110volt bulb,whenconnectedbetween
urnwithfull brilliancy.
eis novoltagepresent,thegeneratorshouldbe
viousparagraphs,"Nocurrentfromgenerator".
hetroubleliesinthe ignitiontransformer.Break-
reand,uponfailureit shouldberemovedandanew
d
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OLT
oIgnitionTransformer
onignitionwiresfrombindingpostsatfront
ckoftransformeranddisconnecttwoleads
necttheflexibletubingattheside ofthetransformer,
oughtheside.Remove45degreesqueezeconnector.
ssecuringthetransformershouldberemoved,
dandthenewoneseatedin itsplace.
ounted,replacesqueezeconnector,pass
former,andtightenup flexibletubing.Thenewtransformer
generatorleadsandthebackcoverreplaced.
econdarywindingterminalsatthefrontof
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IRREGULARITIES
mtheshowerheadsorthe pumpisnotpumping
eseitherin thesuctionlineorin thewaterpumpitself,
akethefollowingobservations:
ift doesnotexceed15feet.
nectionsandthegasketsonthepump forairleaks,for
pumpfromdeliveringwater.
rtosee thatitisnot buriedinmudorcoveredwith
ftthestrainerout ofwaterwhiletheunit isrunning,for
equire reprimingthepump.
ngchamber,andfillif necessary.
umpsuctioninlet,andinspectsuctionlinecheck
eventthelossof prime,whenthepumpisidle, eliminating
ve.It consistsofaweightedcdmpositionfabricflapthat
dflapvalve.Thevalvehangsvertical,therebypreventing
eat.
rimingchamberwithwaterunlessitremains filled
hecheckvalveisnotseatingproperly,waterwillrun
ning,syphoningouttheprimingwaterwithit.
andforcetheflangesapartallvalvepartswillthen
cis damaged,eitheraroundtheseatorat thehinge,
lled,asdescribedunder"WaterPump"inMaintenance
removesuctionhose,fill pumpwithwater,and
ea handtightlyoverthesuctionopening.Ifthe pump
strongsuctionwill befeltinabout thirtyseconds.Ifno
sketsonthe intakeflangesandthesealon theimpeller
tothe pumpatthesejoints.
mpshellisa primingvalvemechanismconsisting
edthattheforceofthe pumpdischargewillliftitand close
oonas thepumphasprimedandstarts pumping.A
othatsedimentcan bereadilyremoved.
holeorcausethevalvespring tobecomeinoperative.
alveorcleanouttrashand sediment,removethe
ngcarenottotearthe gasket.
lturns byhandtoseethat itrotatessmoothly.Ifit
aleormudthathas settledontheimpellerbladesand
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oBreakerPoints
medup.Closethethrottle untiltheminimum
blished.Theidler needlevalvecontrolsthequantityof
dischargehole.TurningOUTtheneedlevalvegivesa
gitIN givesaleanermixture.Turntheneedlevalvein
eddecreases,thenturnit outslowlyuntiltheengineruns
throttlepositionwillpermit.Ifthe engineidlestoofast
he needlevalve,thedesiredspeedcanbeobtainedby
screw.Ifa satisfactoryadjustmentcannotbeobtained,
eis fullyopenandispermittinga fullflowoffuel.
GHSPEED
ateorhighspeedis controlledbyanadjustable
g,usthefollowingprocedure:
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park
onsystemis inpropercondition,withthepossibleexcep-
ENT
bemaintainedat.025 inches.Afterapproxi-
operationtheplug shouldberemovedandinspected.The
eanandthe plugthoroughlywashedinalcohol,gasoline,or
pointsshouldthenberesetto .025inches.Toclosethe
decontactwithasparkplugwrenchorothersuitable
sparkplugis madetheignitionwireshould
e insulationshowssignsofcrackinganewwireshould be
fthemagnetototheengine andalsototime
earsaremarkedas follows:Themagnetogearhasachisel
whichmustbelinedupwith asimilarmarkonthe
tionholeisprovidedonthecrankcaseofthe engine.The
urnedtoa positionwherethechiselmarkisvisible through
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gPoints
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nerCup
iledtooperate,it shouldbedisassembledandthecheck
aned.Ifthepumpwillnot operatesatisfactorilywhentested
eplungerwith ascrewdriver,(SeeFig.48)acompletenew
directedintheMaintenanceSection.
han oil-bathtypeofaircleanerwhichcleansthe
rburetor.Theaircleanershouldbecleanedatregular
thedustconditions.Inextremelydustyconditionsitmay
eaircleanertwo ormoretimeseachday.Thecupat the
ldberemoved,andthe oilandaccumulateddirtinthe
e emptiedandthecupcleaned.Thecupshouldthen
wnonthecup,withthe samegradeofoilas usedinthe
g.49).Itisalso necessarytocleanthefilteringunitof
onsistsofafine-meshwirescreenthatpreventslargebits
ngthecarburetor.Toclean,thethreescrewsthathold the
mustbe removedandthebodyofthefilter pulledfreeof
mentthoroughlyingasoline,andreassemble.Donot
heair cleaner.
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ELEADDEPOSITS
badeffectontheengines,butthe onewhichwill
sis thedepositonthevalves.Thesedepositswill build
faofaninch inabout64hoursof operation.Thisbuild-
onouncedwithenginesrunningconstantlyatthesame
operatingintermittentlyandat varyingloadsandspeeds.
hathicknessofaboutfa ofaninchtheywill crack
htheywillagainbuild upandrepeatthisprocessindefinitely.
cursonthebeveledseatsof thevalves,leakagewill
he flameofcombustionwillblowthrough,burningand
ditionoccursinall typesofengines,whetherair-cooledor
hodhasbeenfoundforpreventingthedepositsfromforming.
isleftbehind intheengine.
orremovingthesedeposits withouttakingtheengine
onsistsofinjectingwaterintothe enginethroughthe
engineishot andrunningatnormalspeed.Thewateris
whenit strikesthehotwallsofthe combustionchamberand
process,thel eaddepositswillcrackaway.Muchofthe
edischargedwiththe exhaustgases,butsomewillfind
ubricatingoil.ITISTHEREFOREABSOLUTELYNECES-
ASEBEDRAINEDAFTERTHISOPERATION
.OTHERWISE,DAMAGEWILLRESULTFROM
WITHCONTAMINATEDOIL.
terinjectionoperationisjustbeforeit isnecessary
ilin thecrankcase,whichshouldbedoneaftereach64
anifold,thecarburetorbeingbolteddirectlytothe
re,benecessarytoinject thewaterdirectlyintothe
ng,ajtertheair cleanerhasbeenremovedfromthecarbure-
RESH(NOTSALTWATER)ANDCLEAN,
IT;OTHERWISE,THEENGINEMAYBE
g.51)
uirt oilcan,injectwaterintothecarburetorair intake,
hot,andrunningatnormalspeed.
handandtheotherhand onthecarburetorchoke
carburetoruntil theengineslowsdown.Beforethe
waterinjectionandpartiallyclosethe carburetorchoke,
sspeed.Then openthechokeandcontinuewaterinjection
bouta pintofwaterhasbeen used.
a spoutorificeofabout3\inchi ndiameter,which
oil cans.
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S
sometimescalledinsometypesofboilersor hot
yor,insome cases,weeklycleaning.Becauseoftheprin-
owerUnit,thetubesdonot requireperiodiccleaning.How-
uesafter every1096hoursisgoodpractice.Thisis done
(towingend) andinspectingthefluesforcarbonforma-
vealathickdepositofsoot andcarbon,thefluesshould
e followingparagraphs.
mthestudsattachingtherearouter head(towingend)
orotherpryinginstrument,freethe headfromthe
etattachedtoheatershellif possible.
eadweighsabout100poundsandthereis abrick
moveit andlayiton thefloor,brickup.
three-sectionfluebrush.Twosectionsofthe1/4
andthe thirdsectionisthebrush.Assemblethe handle
sh.
omtheend oppositethefiringendofthe unit.
bes
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sHeadGaskef
bes,forcingthebrush throughtheentirelengthof
theoppositeend,then pullthebrushbackwardtowardthe
acontinuousmovement.
ERSEBRUSHDIRECTIONWHILE
WILLSTICK.
bewithfull-lengthsweepsuntilbrushcomesout
dgedandpushedintothe bafflechamberwillbeblown
ainin operation.
T
shouldbeinspectedtosee thatithasnot beentorn
damaged,orifitshouldbe replacedforanyotherreason,
vailable,brusha coatoflubricatingoilmixedwithgraph-
ut anewgasketfrom-fainchasbestospaper 36by44
g.53. Brushacoatoflubricatingoiland graphiteonhead
kin theouterheadandtheheater innershellisformed
ghtemperaturecement.Ifcementisavailable,removethe
rickandheatersurfaces,andapplya newcoatingofcement.
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ERTUBES
defective,repairasinstructedinlaterparagraphs
work".
ightall outerattachingnuts,beingsureawasher
S
ertubesshould beperformedbyaskilledboiler-
owever,theseinstructionscovertheoperationfully,and
essingpropertoolscanperformtheoperation.
TOWINGEND)
emovedasdescribedinpreviousparagraphsheaded
EADREMOVAL(SeeFig.54)
atingpositionanddisengagethehoodsupporting
rtrack.Next,removethepin inthetophinge andsetaside
G),blower(U),and fuelpump(F)sheaves.
nutsinfueloilsuctionline anddischargetubingat
re regulator(J).Removetwocapscrewsholdingfuel
ate,and removefuelpump(F)andbaseblock.
ousingpanelthatcoversthegasolineengine,then
g(W)inthe gaslinetothe carburetor.
ineexhaustpipingunderpowerplantbaseplate.
oldingenginetobaseplateandremoveengine(T)taking
ockfromflexiblecoupling.Thetwoy&inch steelshims
uldbe tiedtotheenginefor safekeeping.
pumpdischargelinejustbelowwaterpressure gauge
pipepassingdownthroughthe baseplate.Removethe
mpbaseplateandremovepump(O).
ornutintheburner fueloillineat thesolenoidvalve
tsandwashersthathold theblower(U)tothe heater
withburner(V)and ignitiontransformer(C)attached
etaside.
rbulblocatedinthecenterof theheaterfrontdirectly
A)shouldberemoved.CAUTION:Whenremovingthis
carefulnot tobendthetubing,sincethat wouldimpair
thin thetube.
re,itisadvisableto removethethermometer(A)to
pipepassingthroughthebaseplateshouldnextbe un
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eter
tHole
mer
Pres-
r
alve
rBulb
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dForFrontHead Removal
eeelbow,andthesafetyvalve(R) anditscouplingalso
rm waterdischargelineattheheateroutlet,just
chargevalve(D).Unscrewdischargepipepassingthrough
veandpipe.
vebeen removedasshowninFig.55,the front
ff.
D
thehexagonnutsfrom thestudsattachingthefront
hell.
orotherpryinginstrument,freeheadfrom theheater
tachedtoheatershellif possible.
eadweighsabout100poundsandthatthere isa
e, removeit,andlayiton thefloor,brickup.
hethirdor fourthpass,thebottomsteelbaffleplate
splateis tack-weldedatthetwoendsandmustbe broken
UBE
dcoldchisel,removebeadandweldfromboth tube
butbeverycarefulnotto injurethetubesheet.Then
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Tube
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Sheet
e End
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ERTUBES
slitinbothtube endsasshowninFig. 57and58.
n thefreeendsofthe tubeasshowninFig.59.
ewaterside ofthetube,itwill benecessarytodrive
he scaleasthetubeis driventhroughthetubesheet.After
tubesheethole,leavingclean,roundhole asshownin
houldextendl/4 to%inchbeyondtheouter sides
flaretheprojectingsectionofthe tubealltheway
.
esbeing replaced.Asingleflaringhammerblow
ne,to holdthetubesinplace.
flaredwith ahammer,usethebeadingtoolto roll
tightlyagainstthefluesheet asshowninFig.62.
eplacementisto expandthetubetoforma shoulder
tubesheet.Atube expanderwillbefoundinthe toolbox
easshownin Fig.63.
shouldbeperformedwiththeutmostcare,for upon
thetubewill sealtightly.
HWATERPRESSURESERVICE
rreplacementoperationshavebeencompleted,the
-testedforleakage.Themostsatisfactorymethodisthe
uretestasfollows:
terdischargehole,thesafetyvalvehole,thether-
mperatureregulatorbulbhole.
available,installthe waterpumpdischargepiping,
uregaugeandcheckvalve.Connecttheoutsidepressure
build upthepressurewithintheheater shellto30pounds.
depressure,thecheckvalvewill maintainthepressure,
ethetube isrolledatthe fluesheetsshouldbeclosely
HWATERPUMPPRESSURE(SeeFig.64)
eis available,thehydrostatictestmustbeperformed
urewithinthe heatershellbymeansofthe waterpump
he baseplateandassemblethepumpdischarge-
its place,andconnecttheflexiblecouplingtothewater
tthefillerblockis inplaceandthatthe engineandpump
ment.Connectthegasolinelineto theengine.
setowaterpumpand,ifpossible,a barrelofwater
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E
thEngineAndPump
shthe watersource,sinceashortsuctionliftis essentialin
ssure
eheater,buildinguppressureto themaximumpressure
pproximately30pounds.Whenthepressurenolonger
tion,stoptheengine.Thecheckvalvewillhold pressure
yinspecttheentirecircleswherethetube isrolledatthe
nd,repeattheoperationwiththe beadingtoolandtube
kage,thenagain testforpressure.
pressuredoesnotdrop afterafewminuteswait,
eat thebottomoftheheaterand drainitofall water.
he firingendoftheheater.Also removeengine,
mpdischargepiping.
REPLACEMENT(SeeFig.54)
teonfiringendof heaterandtack-welditinplace.
entarounditsedges.
d,beforeapplyinganew^ inchasbestospapergasket,
phiteonheaterflange.Installthe newgasketasshown
oilandgraphiteon sideofgasketfacingouterhead.
lwashersandnutsonall studs,andtightennuts
schargepipingandvalve(D).
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S
ed
,orotherpryinginstrument,freeheadfromthe
etattachedtoheatershellif possible.
breakoutthe remainingpiecesofbrickinthehead,
assthroughthesupportingframeand securethebrick.
urn outtheboltsanddiscardthem.
oltswiththe endsflushwiththeinner surfaceofthe
tisweldedto theouterhead.(SeeFig.65).Insert the
or,orcuta newoneiftheold oneisdamaged,whilethe
r.Afterapplyingacoatofhightemperaturefurnacecement
ks,setthebricksin place,engagingthemachinebolts
ebrickandscrewthemin asfarastheywill go.With
,cutofftheprotruding endsoftheboltsflush withthe
temperaturecementtotheprotrudingedgesofthe
theheadgaskettosee thattherearenobreaks,the head
ts tightenedwithwashersunderneath.
FRACTORYFIRINGEND[SeeFig.66)
ecesofcementwitha hammerandchisel.
y,sufficientcommonPortlandcementandwaterwith
ushedfirebrick.
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ELLER
eEnd
not seatingproperly,waterwillrunoutof thepump
e,takeoffthenutsand removethecheckvalvebody
hed.Iftheflapfabricis damaged,eitheraroundtheseat
eplaced.Removethehingeplate (B)andthehinge(C).
DandE) fromthehinge(C)andattachto newhinge.
kvalvebody(A)bymeansof hingeplate(B).Replace
mp,aftergasket(M)has beenputinplace,andthen
69)
mpisa built-inprimingvalvemechanismconsisting
edthattheforceofwaterwill liftitandcloseoff there-
e pumphasprimed.Acleanoutholeisprovidedso that
moved.
eorcausethevalvespring tobecomeinoperative.
alveortocleanout trashandsediment,removethe
akingcarenottotear thegasket(G).
veforreplacement,removethroughthecheckvalve
old theelbow(H)andgasket(J) inplace.Thetworound
valvespring (K)inplacecanthen beremovedandthe
andthescrewsreplaced.Replacetheelbow(H)and
utsthroughthe checkvalveopening.Replacetheclean-
late(F).Replacecheckvalve.
readedto theprojectingendoftheimpellershaft.
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AL
ction
stunscrewthenuts holdingthepumpbody(A)to
ond,removethetwocapscrewswhichholdthepumpbody
odytendsto sticktothesupporthead,DONOT
wwith ahammer;instead,screwashortlength(about2
onopeningandstrikeasharp,light blowdownwardon
.Thiswillfreethe body.
fromthe shaft(E),holdthecrankshaftso that
pipewrenchtotheimpellershaft.Thewrenchhandle
orsolidsupport.Thenplaceapieceof woodagainstthe
dstrikeasharphammerblow.This shouldloosentheim-
crewed.
EHARDENOUGHTOBREAKTHEIM-
eFig.71)
eimpellerandthesupportheadshouldbe between
regulatedbyplacingshimsbetweentheimpellerandthe
0and71)
deupofaspring-loadedsealwashers,V-shaped
ewhichfitsinto arecessinthe supporthead(B).WHEN
MPLETESEALUNIT.
Lubri"seal,first removetheimpelleraspreviously
anthenbe pulledoutoftherecess.
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OR
elPressureRegulator
asket(H).Removeadjustingscrew(D).
se,but donotcompressvisejawsaroundit. Remove
ket(J).Withdrawspringguide (G),spring(K),and
blybyfirstunscrewingseat(P)andremovingseat
nut(L)fromseat(P)removelocknutgasket(M)and
ndvalveliftingspring(N).
)
ndreassembleasfollows:
nsertedintoseat(P)followedby valvestem(E),
knut(L).Slipseatgasket(O) overseat(P),andscrew
fbody(A),followedbyspring(K) andspring
et(J) intoplace,andscrewbonnet(B)downtightly,
adjustingscrew(D).
dconnectcoppertubingandpipe.
ulateadjustingscrewaspreviouslydescribedto
e.Whenproperpressureis reached,replacecapgasket
yi nplace.
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LTAGE
OR
SFORMER
ToSolenoidValveCoil
alled theshaftofthepump shouldbeturnedby
otbind.Incasethat tightspotsarenoted,tap theouter
th thehammerhandleuntilthegearsturn smoothly.
dor replacedbyreversingtheprocedureasoutlined
cleanlubricatingoilenthesealseat beforereplacing
teningnutOL41,itisnecessarytocreateabout7 pounds
dthe seal.Thisisequivalenttocompressingtheseal
led,it shouldbetestedforfreeoperationby revolving
valveis normallyclosedandwillopenonlyif
hroughitscoil.Obviouslythen,if thestrainer,pressure
all functioningproperlybutnooilis beingsuppliedtothe
coilisnot beingenergized,andtheplungerisin aclosed
assageoffueltothe burner.
energizethecoil maybeduetoany ofthefollowing
emadebeforeattemptingto dismantlethesolenoidvalve.
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g
d
e.
curyswitchisbroken.
.
OIL[SeeFig.76)
closedduetoanyofthe abovereasons,orifthe
hevoltagetothe solenoidvalvecoilshouldbechecked
heterminalboxcoveron thegenerator,andbarethe
etweentheblackleadfromsolenoidvalveandthe black
gulator.Removethecoveronthemanualswitch.
,checkthevoltagebetweenthesplicedconnectionand
etweenthemanualswitch.Thevoltageshouldbe110volts.
a 110voltbulb,whenconnectedbetweenthesetwopoints
cy.
.77)
tthevalveremainsclosed,itis thenobviousthatthe
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VE
houldbereplacedas follows:
onnectwiringtosolenoidvalve,atgeneratorter-
ch.
ndremovesqueezeconnectorfromcoilhousing.
nameplate(B)fromcoilhousing(C).Housing
lvebody(D).
teelwasher(E)and bushing(F)thatholdcoil
etube (H).Coil(G)canthen beremoved.
washers(E),bushing(F), housing(C),
(A).
w coilthroughthesqueezeconnectorandflexible
minalbox,the yellowleadgoingtothemanualswitch,
licedto theblackleadfromthetemperaturecontrolswitch.
g.78)
tispossiblethat smallparticlesofdirtmaybecome
erandtheseat,therebypreventingthe solenoidvalvefrom
dsuchaconditionbefound,proceedasfollows:
sshouldbebroken,andthescrew(A),nameplate
er(E),bushing(F),and coil(G)removedasdescribed
s"ReplacingCoil".
epipingandremovevalve.
dbushing(J)shouldbe pryedlooseandremoved.
yin avise,loosentheplungerguide nut(H)
sket(N).
houldthenbe removed,afterwhichseat(M)
ionandcleaning.
plunger(L),seat(M)and plungerguidetube
ntmaybeavailable.Donotuse abrasivesorhard,sharp
gprocess.
embledasfollows:
gerassembly(L).Replacegasket(N)and
(N)is freefromforeignparticles.Carefully
nut(H) topreventoilleakage.
andbushing(J).
connectpipingtoit.
andwiringasdescribedinpreviousparagraphs
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nElectrode
p
Y
s
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deAdjustments
ofthenozzle tipandtheslottedparts oftheinternal
so thatthesmalloilgrooveswill notbedamaged,particu-
nozzletipproper.Cleannozzlescreencarefully,removing
ree passageoffuelthroughnozzle.
allitsparts,theburner shouldbereassembledas
re,usingascrewdrivertosetit tightly,butwithout
OPERATOMIZATIONOFTHEFUEL,ITISESSEN-
COREBETIGHTLYSEATEDINTHENOZZLE
n,screwingitintonozzletip onlyfinger-tight.
por anyofitscomponentpartsshowexcessive
ssemblyshouldbe replacedwithanewonefrom
zzlebody,usingthe open-endwrenches,seating
oilleakage.
tothe electrodeclamp,spacingthemasfollows:
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USTMENTSFUELBURNER
deAdjustments
odesshouldbel/ginch.
inchforwardofnozzletip.
inchabovecenterofnozzletip.
hfromfrontofdiffuserplate.
electrodeclamp,therebysecuringthe electrodes.
ctrodesby meansofconnectors,andpassthe
atorsin frontmountingplate.
rassemblyintoblowerhousingopeningand
chcapscrews.
rminalsonignition transformer.
anarcacross theelectrodeswithintheburnerwhen
nporthole,itis anindicationthateitherthe ignition
thatno currentisbeingsuppliedto it,sincethearcing
ldbeconstantwhile theunitisrunning.
vethegeneratorterminalboxc overandbarethethree-
ecoverfrom themanualswitch.Ifa voltmeteris
gebetweenthesetwoconnections.Thevoltageshouldbe
available,a110-voltbulbshouldburnwithfull
dbetweenthesetwopoints.(SeeFig.84).
voltageatall, thegeneratorshouldbecheckedas
raphunder"Generator".Ifthevoltageiscorrect,the
transformer.
eryrare,anduponfailureit shouldberemoved
follows:
necthigh tensionignitionwiresfromterminalsat
koftransformeranddisconnectthe twoleads.
etubingat thesideofthe transformer,pullinggenerator
movethe45degree squeezeconnector.
securingthetransformershouldbe removed,and
d.
ecurelymountedinplace,replacethesqueeze
swires throughsideoftransformer,andtightenflexible
eadscannowbespliced tothegeneratorleads,andthe
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OLT
ToIgnitionTransformer
secondarywindingterminalsatfrontoftrans-
ouldrequirelittleattentionotherthanregular
owever,shoulditbecomenecessarytoreplaceanyofthe
afts,orwheel,theblower shouldbedisassembledas
5)
emovesheaveandkey.
blyandignitiontransformerasdescribedinprevious
urnerAssembly"and"IgnitionTransformer".
tsthathold theblowerassemblytothefrontouter
wer.
coversthebearing(B) intheair shutter(C)and
he topshutterleafandraiseleaf, exposingbearing(B).
rews(E)thathold thebearing(B)tothe shaft(F).
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ower
rews(H)thathold bearing(J)tothe shaft(F)
ower.
ts(K) thatholdbearings(B)and(J) tobrackets.
offtheshaft(F).
oundheadmachinescrews(L)holdingthe blower
erbody(N),theside plate(M)canbeslid offtheshaft
wheel(D)withdrawnfromtheblowerbody.Bearing
henberemoved.
screws(P)thatholdthe blowerwheel(D)tothe
slid offtheshaft.Becarefulnotto losetheWoodruff
eelinplace.
oundheadmachinescrews(S)the airshutteras-
d.
)
embly(C).Securewitheightmachinescrews(S).
e shaft(F),withkey(R)in place,thentighten
P):
)has beensetinplace,insertwheel (O)andshaft
Replacesideplate (M)andsecureitwitheight
haft,andsecurebothbearings(BandJ )withcap-
shers(K).Replacebearingsetscrews(E)and(H)and
A).
condition,theassembledblowercanbefastened
softhreewashersandnuts.
dbereplacedandaligned.
andignitiontransformer,andconnectignitionwires
rethatburner gasketisinplace.
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ECONTROL
eeWireSplice
spectedofbeingdefective,removeitscoverandsee
ontactwhenin the"ON"position.Iffounddefective,
secureanewswitchimmediately,thedefectiveswitch
poraryconnectionmadebysplicingtogetherthethree
electricianstape,or(in emergency,adhesivetape)(See
oneonlyasa temporarymeasureandanewswitch
aspossible,sincecurrentwillflowconstantlythrough
nandthesolenoidvalveandignitioncannotbecon-
ewiresareseparated.
thegeneratorvoltageislowor thereisnovoltageat
lyinoperative.Generatorfailureis usuallyduetopoor
atororadirtycommutator.
movetheterminalcoversatthe endoppositethesheave
brushes,twoforA.C.andtwo forD.C.TheA.C.
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HES
shes
ollectoror"sliprings".TheD.C.bear onthecommutator
elcopperbars.
ning,itshouldbecleanedasoutlinedunder "Operating
rection"intheOperationSection.AlsoseeFig.35 in
ES{SeeFig.87)
eworn,theyshouldbereplacedasfollows:
anthenbeslippedfromits holder.Removethe
shleadto thebrushriggingassemblyandthebrush will
newbrush,liftspringandslide brushintotheholder.
shriggingassembly.
ES(SeeFig.88)
s,removethemetalprotectingcapat thetopofthe
rojectionofthefrontbracket,andremovetheinsulator
willreleasethebrushand itsspring.Wheninstalling
he curvedsurfaceofeachbrushfitsthatof thecommutator.
metalprojectingcap.
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S
shes
9)
,andthewiringto thegeneratorhasbeendiscon-
beremovedfromtheunitby removingthefourcapscrews
teanddismantled,asfollows:
tuds(B) thatattachfrontandrearbrackets(C)
Bearing(F)withitsfelt andsteelwashersandspring
machinescrewsattachingfieldcoilleads(G)to brush
beremovedandthe armatureassembly(J)with-
felt andsteelwashers,shouldberemoved.
beremovedforreplacementafterremovingthetwo
athold theriggingtothe frontbracket(C).
)
brokenparts,the generatorcanbereassembledas
ndsecureit bymeansofbrushrigging clamps(L).
reshaft (J)and,withfeltand steelwashersin
racket(C).
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OR
bepassedthroughthe frameand,afterslidingon
ashers,andloading spring,therearbracket(D)canbe
ur studs(B)andnuts(A).
ereplacedas describedunderpreviousparagraphs.
beremountedonthe unit,thesheavemountedand
nectedasshowninthe partslistunder"Generatorand
OR
recontrolconsistsoftwomajorpans.Onepart,thebulb,
hin theheateratapoint justbelowthe3"rounddial in-
theoperatingendoftheunit. Theotherpart,isthe metal
olpanel,containingtheswitchmechanism.
b areconnectedbyathincoppertube.This tubing
entlytoseethatit hasnotbeencut,bentor flattened,since
theproperoperationof thecontrol.
CURYSWITCH(SeeFig.90)
mercuryswitchmaybebrokenbyaseverejolt ormis-
hasbeenbroken,anewmercuryswitchmustbeinstalled
Thenwiththepointof aknife,prytheswitchclip
itchneverattempttobreakitloosewiththe fingers.
toreplacethe ambroidcementthatwasusedon
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OR
G
latorControlBox
tureScale
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OR
TLIGHT
m
etweenstops,andnotethat themercuryshouldnotshift
operatingleverto returntoitsupper stopandtheswitch
nalstartingposition.
E(SeeFig.92)
willbefoundtwofillister typescrewheads.The
ainscaletemperaturecut-inpoint.Forexample:If the
oints to105degreesF,theswitchin thecontrolboxwill
pliedtotheburner.Shouldthe operatordesireahigheror
hehasonlytoinsert ascrewdriverintotheslotin thelarge
screweithertotheright orleft.Turnto therighttoin-
he lefttolowerit.
rewcontrolstherange (thedifferenceindegrees)
ndthecut-outpoint.This scalehasbeensetat thefactory
degreeswhensetat "B",andshouldnotbechangedunless
ncein watertemperatureisdesired,sinceatthissetting the
waysbe105degreesFand thecut-out110degreesF.With
degreesFthenumberof degreestoeachdivisionfrom"A"
done-half.
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ACER
ER
ACER
m
omthelightswitchbox locatedonthefrontendof
ember,fourof whichconnecttotheblackouttailandstop
nd stoplights.Thetworemainingcablesconnectthe
socket.Theoperatorshouldreferto Figs.93and94
sontheunit. Thefourelectricalcablesareidentified
e.
tetracer(A) istheconnectiontotheblackouttail
acktracer(B) istheconnectionleadingtothe
etracer(C)isthe connectionleadingtotheservice
er(D) istheconnectionleadingtotheservicestop
hts,taillights,orblackoutlightsfail tolightwhenthe
ulbshouldberemovedandinspectedfor corrosiononthe
ssaryanew bulbinstalled.Ifthenewbulb doesnotlight,
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Tank
onsbetweenterminalboardandtaillightunit.If,connec-
checkthetowingconnectionbetweenthetowingvehicleand
ions.Ifall connectionshavebeendeterminedtobecorrect,
fordisconnections.Sincetheunitlightsreceivetheir
towingvehicle,itis possiblethatthesourceofcurrent
ghinsufficientbatterysupply,or defectivewiringor
on eachsideoftheunit, buttheydonotcontainbulbs
Theonlyreplacementthatmaybenecessarywouldbeto
whichcanbe donebyremovingthetwoscrewsholding
K
serack,thefourcapscrewsthatsecurethe fourlegs
ovedandtherackliftedout.
orbothofthetwo fueltanksfromtheunit,the
dbefollowed:(SeeFig.95).
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oorSlats
peningthe petcockatthebottomofthetank,the
houldbe disconnectedfromthetank.
oserackassemblyfromthetopof theunit,aspre-
s(A)thatholdthetail lightpanel(B)to theframe
C)holdingthe endofthetankto theframecanthen
threecapscrews(E)atthesideof thetank.Afterre-
(F)atthetop ofthetank,itcanbe removed.
arilypluggedwithsmallwoodenplugs.Largeopen-
rpropercleaningof thetanktoremoveall fuelvapors.
by welding,anewtankshouldbeinstalled.
dangeroustoattemptweldinganytankthathas
oleumproductuntilithas beenthoroughlycleaned,prefer-
capscrews(F)attop oftank,threecapscrewsatside,
nnectsuctionandreturntubingatbottomoftank.
boltdownwithfourcapscrews.
stremovetheshowerand hoserack,thenremovethe
nprecedingparagraphs.Removethepowerplanthoodand
rcapscrewsthatholdtheslidingdoortrackto theheater.
screwsthatholdthetrackto thebaseplateandthe three
enginepaneltothetrack leg.
orslats,slathangers,or slatendlocks,refertoFig.96.
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Wheel
eremovedbyremovingthecotterpin andunscrewing
thelunetteindrawbarbracket,whichisboltedto theframe
unettecanthenbewithdrawn.
ndswivelpin(J) (SeeFig.97)removethecotterpin
dcapscrew(M),thatholdsthe quadrant(J),tothe
),removecotterpin(A)fromaxle wheelcarriagebolt
omthe axlebolt.Bolt(B)canthenbe withdrawn
bly(D).Therearetwo bushings(E),oneoneachend
esebushingsshould beinspectedafterremovalforex-
sary,newbushingsinstalled.Thecasterwheelfork(D)
byremovingthe setscrew(F)andlocknut(G),that
ktothe quadrantandswivelpin.Becarefulnotto lose
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ARINGS
dCups
leas closetothewheelas possible,sothatthewheel
untilthewheelcanberotated.Removesixnuts hold-
el canthenberemoved.
GS
uslydescribedunder"RemovalofWheels".Remove
heelhubwith aright-handthread.Removecotterpinset
tandremovenutand washerthatholdouterbearingin
ng,outer bearingcupandinnerbearingcupwill
erbearingwillremainonthe axle.Withfingers,remove
nslide theinnerbearingoffof theaxle.Greasesealcan
eforcleaning.Washbearingsinfueloil orkeroseneand
ub.
psshowevidenceofwear,theyshouldbereplaced
asesealonaxleshoulder,withleatherfaceout.After
nerbearingslideit ontheaxle,withtapertowardaxleend.
asedandin place,slideonthewheelhub.Aftergreasing
withtaperawayfromaxleend.Installwasherand castel-
s spinningtightennutuntiltensionstops thewheel.Then
cotterpinposition(approximaely%turn)andinstall cotter
gandthe nutwithgrease,thenscrewonhub cap.
ssembly,removethefourcapscrewssecuringthe
eingcarefulnotto losethetwo1/ginch shimsunderthe
romtheflexiblecoupling.Disconnectfuellineatcar-
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tarterSheave
theexhaustpipeextendingthroughthebase plate.
tpiping.
ERSHEAVE(SeeFig.99]
vethesetscrewinthehub ofthestarterropesheaveand
hecrankshaft.Thisisfacilitatedbythe useofacommon
(SeeFig.I00)
ewsandplainwasherswhichholdtheshroudand
er.Next,loosenandremovethetwo roundheadscrews
dtheshroudtoenginebase.Theshroud maythenbe
SeeFig.I0I)
onthecrankshaft.Aftertheshroudhasbeen re-
dbegraspedwiththeleft handandtheendof thecrank-
wswitha babbithammer.Theflywheelwillthenslide
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SE
oud
el
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derHead
uretor
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eto
s
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EAD(SeeFig.102)
wireandremovethesparkplug.Loosenandremove
shersthatholdthehead inplace.Theheadandgasketcan
ORANDAIRCLEANER(SeeFig.103)
textendsfromthe carburetortothegovernorcontrol
erpinwhichsecuresthe controlrodtothecontrollever.
threadedintothecarburetor.Next,loosenandremove
asherswhichholdthecarburetortothecylinder.Theassembly
eanercan thenberemoved.Ifitis desiredtoremovethe
etor,loosentheclampscrewonthe aircleanerbracketand
acketoffofthecarburetor.
eeFig.104)
chfastensthewireto themagneto,andpullthewire
oosenandremovetheUpper capscrew,nut,andlock-
nutand lockwasher.Themagnetoassemblycanthenbe
s willalsoremovetheair filterbrace,whichisfastened
untingscrew.
eFig.105)
dcopperwasherwhichholdstheinspectionplateto
henbe priedawayfromthecylinder,whichwillexpose
ndlocks.Astandardadjustable-typevalveliftershouldbe
esprings.Thiswill exposetheretainerlocks,whichcan
vestems byuseofa screwdriver.Thespringsshouldthen
springseats,and thevalvepulledupwardoutofits guide.
SE(SeeFig.106)
movedbylooseningand removingthetencapscrews
base offofthecrankcase.
oiloutofthe enginebasebeforeattemptingthis
GRODANDPISTONASSEMBLY(SeeFig.107)
ocapscrewsandlockwashersontheconnectingrod
Therodshouldthen betappedgentlywitha hammer
outofthebore.As soonasthepistonprotrudesoverthe
uldbegraspedfirmlyinthe handandwithdrawn.
T(SeeFig.108and109)
urcapscrewsandlockwashersthatholdthemain
haft.Theplatecanthen bepulledoffofthe crankcase
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eBase
ctingRodandPistonAssembly
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BearingRetainerPlate
kshaft
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aftSupportPin
haft
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canthenbepulledoutof thecase.Whenremovingthecrank-
beprotectedwiththe handsothattheywill notbe
CONTROLLEVERANDGOVERNORSPRING
rspring,bydetachingitfromthe governorleverand
ovethenutthatholds thegovernorlevertotheshaft.The
oftheshaft.Loosehandremovethetwocapscrewsthat
pportbrackettothe case.Thebracketandshaftcanthen
e.
SeeFig.110andIII)
thetake-offendof theenginebydrivinga sharp
edgingitoutofthe boss.Useadriftpunchto driveout
mblywithweightsassembledcanthenberemovedfrom
se.(SeeFig.111).
ORWEIGHTS
eadoutward,awayfromtheshaft,and thethrust
ffofthe shart.Thecotterpinswhichlockthefulcrumpin
moved,andthefulcrumpindrivenout.
LUNGERPUSHROD
dbe graspedfirmlywithapairof pliers.Thehead
nbedrivenoffafter whichthepushrodcanbe with-
valvetapperscanalso bepulledoutofthe guides.
MPfSeeFig.112)
e plungerinthecoreshouldfirst beremoved;a
dagainsttheplungerto preventitspoppingoutas the
eplungerandspring cannextbeliftedoutof thecylinder
sthenturnedover,the retainerandcheckballwillfall
e oilpumpbodycanb