• challenger…the model page…4 - athearn trains challenger 4-6-6-4 simple articulated...
TRANSCRIPT
• Challenger History Page…2 • Challenger…The Model Page…4 • Model Features Page…5 • Sound and DCC Features Page…6 • Operating the Challenger Page…7 • Lubrication and Maintenance Page…10 • Challenger Tender Diagrams Page…12 • Challenger Locomotive Diagrams Page…14
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TheChallenger4-6-6-4simplearticulatedloco-motivewasbornintoaneraofcontradictions.Therailroadindustrywassufferingthroughthemassiveeconomicdownturnsoftheearly1930s,withmostrailroadsbarelyremainingsolvent.Yet,amovementarose that resulted in the development of the pin-nacleofsteamlocomotivedesign. NewlocomotiveorderswiththemajorerectionshopsofAlco,BaldwinandLimawerealmostnon-existentintheyearsbetween1930and1933.Mostrailroads opted to rebuild and refurbish existingequipment in their own shops. In addition, motivepowerrenderedobsoleteorsurplusbythedownturnintrafficfounditswaytothescrapline.Inanefforttocapturewhatlittlebusinessexisted,experimenta-tionreachedafeverpitch.Theseeffortsmanifestedthemselves in the introductionof streamlining, thedevelopment of diesel-powered, dedicated consistpassenger trains and super-power steam locomo-tives. Super-power steam was the evolution insteam locomotion brought about by a marriage ofhigh tractive effort with high-speed performance.Previously, railroads had either greyhound swiftlocomotiveswithlimitedpullingpowerormassive,complexlocomotivescapableofhightractiveeffortatspeedsofaround20milesperhour.Bycombin-ingthelatesttechnologywithimprovedunderstand-ing of the dynamics of steam power, new classesof locomotives reached the rails. These machinesfeaturedlargefireboxessupportedbyeitherfourorsixwheel trailingtrucks,massiveboilergirths thatpressed clearance limits, higher boiler operatingpressuresandthelatestinappliancesthatimprovedthe roadworthiness and thermal efficiencies of the
powerplant. TheUnionPacificRailroadhadauniqueopera-tional dilemma: The majority of its traffic wasmovedoverlongdistancesbetweentheWestCoastandtheMidwestthroughdauntingterrain.AlmostatthemidpointofthesystemisCheyenne,WyomingandtheShermanHillgrade.Geographically,Chey-enneislocatedatthejuncturebetweentheplainsoftheMidwestandthefoothillsoftheRockyMoun-tainranges.WhilenotasdramaticastheAlleghenyorSierragrades,thelinewestofCheyennehadlongruns of 1.2% or better grades. The Union Pacificsought to operate long high-speed service throughthis challenging geography. For this reason, theirbestandmostmodernmotivepowerwasallocatedto this division. Beginning with double-headed 2-8-0 Consolidations in the early twentieth century,heavierandmorepowerfullocomotiveswereused,culminatingwiththesignatureUnionPacificthree-cylinder4-12-2.Whiletheyprovidedstellarservice
on the Sherman Hill route, these twelve-coupledlocomotives had reached the maximum size for arigidwheelbaselocomotiveandrequiredtheUnionPacifictolookforadditionalhorsepowertoincreaseover-the-roadspeed. ArthurM.Fetters,generalmechanicalengineerfor the UP, suggested redesigning the success-ful wheel arrangement of the 4-12-2 as a simplearticulated.Bysplittingthewheelbasebetweentwosmaller frames, an advantage would be gained bythe ability to add larger drivers to a shorter rigidwheelbase. This resulted in more speed with theaddedbenefitoflightersiderods.Theselightersiderodswouldminimizetrackdamageathigherspeedssincetheentiremechanismwouldbeeasiertobal-ance dynamically. The final complement to thisconceptwouldbetheabilitytoaddalargerfireboxsupported by a four wheel trailing truck, furtherenhancing steaming capabilities. Mr. Fetters andthedesignersfromAmericanLocomotiveCompany
ChallengerLocomotiveWeightsandDimensions
Tractiveforce 97,350Lbs.
Cylinders,diameterandstroke(4) 21in.x32in.
Drivers,diameter 69in.
Totalweightofengine 634.500Lbs.
Weightoftender(2/3loaded) 348,000Lbs
Boilerdiameter,firstringinside 94-11/16in.
Lengthovertubesheets 20ft.0in.
Drivingwheelbase,each 12ft.0in.
Totalenginewheelbase 60ft.4in.
Fuel Softcoal/Oil
Gratearea 132.2sq.ft.
Steampressure 280Lbs.
Evaporativeheatingsurface,fireboxtotal 554sq.ft.
Evaporativeheatingsurface,tubesandflues 4,038sq.ft.
Superheatingsurface,typeA 1,741sq.ft.
TenderCapacity,centipede 25,000gal.,28tons
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TheChallengertypeoflocomotivewouldserveuntiltheendofmainlinesteamservice.Theywereassigned to railroads across the nation and underalloperatingconditionsgaveagoodaccountingofthemselves.Twoexamplesescapeddismantling.UP3985hasbeen restoredand joinsUP4-8-4844astheonlytwosteamlocomotivesoperatedbyaclass1 railroad today.Theother,UP3977,hasbeenondisplayinNorthPlatte,Nebraskasince1968andhasrecently been refurbished by a group of dedicated
(Alco)finalizedthedesignofwhatwastobecomeone of the most widely recognized locomotives inthe world. In 1936, the first group of locomotiveswith the 4-6-6-4 wheel arrangement was deliveredtotheUnionPacificRailroad.Theywereanimme-diate success and their roster grew to number 105locomotiveson theUnionPacific alone.Thisnewwheel arrangement was given the name “CHAL-LENGER”.Whiletheoriginofthenameisunclear,itprovedtobeanaptmoniker.
railfanvolunteers. In 1936, the Union Pacific Railroad and Alcomet the needs of increased speeds and tractiveeffort with the design of the Challenger. Today, theGenesisTMChallengermeetstheneedsofmodelersandcollectorsbyprovidinganHOscalemodelthatcapturesallnuancesoftheprototype,takingmodelsteamrealismtothenextlevel.
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UnionPacificreceiveditsfourthorderofChallengersin1943,anditsfifthorderin1944.Thesewereimprovedfrom the earlier design based upon experience gainedfrom the Big Boy 4-8-8-4 locomotive received in1941.Theselocomotivesfeatureddoublesmokestacks,centipede tenders and many parts common to the BigBoys.In1952enginesfrombothorderswereconvertedtoburnoilandwererenumberedinthe3700series.Theywerecommonlyassigned tobothpassengerandfreightmovementson the system.Twoexamples survived thereplacementofsteambydiesels,with3985receivingarestorationbyvolunteerUPemployees followingyearson display adjacent to the Cheyenne depot. The 3985returned tospecialserviceduring theearly1980s,withanoilconversionforthetenderoccurringin1990.
RoadSpecificFeatures:
G9122 CHALLENGERUP#3985(FANTRIPVERSION)G9125 CHALLENGERUP#3943COAL&SMOKEDEFLECTORSG9126 CHALLENGERUP#3977TWOTONEGRAYW/OILTENDERG9128 CHALLENGERUNDECORATEDUNIONPACIFICLATEG9130 CHALLENGERUP#3964ALLBLACK,COALG9131 CHALLENGERUP#3975TWOTONEGRAYW/OILTENDERG9132 CHALLENGERUP#3958ALLBLACK,COALG9133 CHALLENGERUP#3983TWOTONEGRAYW/OILTENDER
In1943,tomeetthedemandsofincreasedwar-timetraffic, Rio Grande requested more Baldwin 4-6-6-4ssimilar to those previously received from this builder.Instead, the War Production Board diverted six Alcolocomotives from an order then in production for theUnion Pacific. These locomotives were in turn leasedfrom the Defense Plant Corporation by the D&RGW.Classified as L-97 locomotives, and assigned numbers3800 through3805, theseenginesspent thedurationofWorld War II lifting heavy ferrying freight trains overthe Rocky Mountains. When the war ended in 1945andrailtrafficlevelsreturnedtonormal,thehalf-dozenL-97sweredeemedsurplusand,in1946,returnedtotheWar Assets Administration. The following year, theseworkhorsesweresoldtotheClinchfieldRailroad.
RoadSpecificFeatures:
G9121 CHALLENGER UNDECORATED UP/RIO GRANDE VERSIONG9123 CHALLENGER DENVER & RIO GRANDE WESTERN #3802G9129 CHALLENGER DENVER & RIO GRANDE WESTERN #3804
The Carolina, Clinchfield & Ohio was a latecomerto the railroad scene. Completed in 1909, it was builtforthepurposeofhaulingKentuckyandWestVirginiacoal. As a coal hauler it would at first appear that thehigh stepping 4-6-6-4s would be out of place in thisenvironment.However,in1942,theClinchfieldreceivedanorderof eightAlcoChallengers tohandle increasedwartime traffic. This first order proved very successfulso,in1947whensixmorelocomotivesbecameavailablethrough the War Assets Administration, Clinchfieldacquired them. Originally assigned to the Rio Grande,theseengineswerenumbered670-675.Theyareuniqueinthat,shortlyafterdelivery,theirdoublesmokestackswerereplacedbylargesinglestacks.
RoadSpecificFeatures:
G9120 CHALLENGERUNDECORATEDCLINCHFIELDVERSIONG9124 CHALLENGERCLINCHFIELD#670WITHSINGLESTACKG9127 CHALLENGERCLINCHFIELD#672WITHSINGLESTACK
j CLINCHFIELDUNION PACIFIC
TheGenesis™4-6-6-4Challengeristheculminationoftheartofdesignandtoolingintegratingthelatestinno-vationsinelectronictechnology.TheChallengermodelhasbeendevelopedfromitsinceptionasthefinestthreedimensionaloperatingminiaturerepresentationoftheprototypeavailable.
Enclosedinthepremiumqualityboxarethefollowingitems:1.HistoryandInstructionBookthatincludesawarranty
andinstructioncard2.HOscale4-6-6-4ChallengerLocomotive3.HOscaletenderwithfullelectronicspackage
installed4.HandHeldWirelessDCController
Uponinspectingthelocomotiveandtendernotethemanydetailsthathavebeenincorporatedinitscon-struction.
Locomotiveandtenderfeatures•Boilerbackheadwithfulldetailsandprintedmanual
controls.•Individuallyapplieddetailpartssuchaspiping,
valves,generators,etc.•BlackenedmetalRP25wheels.•Eccentriccranksoperatingonbothsidesincorrect
direction.•Minimalcompromiseonwheeldiameter(about1”
only).•Frontandrearengines(cylindersandcoupleddrive
wheelsets)bothpivotinordertomanage18”radiuscurves.
•Pilothasopen/closedpositions.Couplerpocketcanbeinsertedtomountcoupler.
•Adjustablecabwindows.•Headlightsandtenderlightshavedirectionallight
change,whilethenumberboardsarepermanentlyilluminated.
•Five-pole,skewedarmaturemotorwithtwofly-wheelswithverysmooth-runningfeatures.
•Cabhatchescanbeeitherclosedoropen.
•See-throughrunningboards.•Eachundecoratedversionincludesallpartsforthat
specificversion.•Locomotiveissmoke-unit-ready.Nosoldering
needed.•6-pinconnectorplugbetweenlocoandtender.•Currentpick-uponall12driverwheelsand8tender
wheels.•Consumer-friendlydisassemblyfeaturesforsparepart
replacement.•Detailedinstructionsheetswithexplodedviewdraw-
ingsandhistorybooklet.•Cabinisclosedwithopeningdoorfeature,ormodel
hasopencabin.
PrototypeSpecificFeatures•Singleortwinsmokestacks.•Coalloadoroilbunkers.•Coalrackforadditionalcoalstorage.•Woodtenderdeck.•Smokedeflectors.•Ashpansappliedtocoalfueledversionsonly.•Closedcabwithopeningdoorfeature,oropencab.
M o d e l F e a t u r e s
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DCCFeatures:
ThedecoderprovidedwiththeGenesisTMChallengerLocomotivewilloperatewithanyNMRAcompatibleDCCsystem.Thedefaultsettingisaddress3.Thedecoderisratedat2ampsandwillsupporteither2or4digitaddresses.ThedecoderfunctionsarefullyprogrammablebytheadjustmentofCVs.ACVtableisincludedintheoperatinginstructions.Either14speedstepsor28/128speedstepsaresupportedbythissystem.Availableaccessoryandsoundfunctionsareasfollows: •DirectionalLighting •Bell •Whistle •AirRelease •Coupling •BrakeSqueal •Conductor’sVoice •FireBoxDoor •SoundOn/Off •SandRelease •WaterInjector •BlowerHiss •CylinderCock/Flangesqueal
InadditiontoFunctionØ(Directionallighting)therearetwelveadditionalsoundfunctionstoallowtheoperatortocapturethefullrangeofuniquesoundsfoundonanoperatingsteamlocomotive.Youcannowfullyimmerseyourselfinthecomplexitiesofprototypeoperationandaddanewlevelofrealismtoyourrailroadingexperience.
Dual-FunctiondecoderismadebyModelRectifierCorpora-tionforAthearn,Inc.
Theinstallationofsoundinalocomotiveaddsanewdimen-siontooperation.Soundmakesatechnicallyperfectstaticmodelcomealiveandenhancestheexperienceofoperation.Youwillfindthatyouwillnolonger‘run’theenginebut,rather,operateitinthecontextofyourlayout.WhetheryouareusingconventionalDCcontroloraDCCsystem,theincorporationofadvancedelectronictechnologywillprovidetheultimaterailroadingexperience.
TheGenesisTMChallengerLocomotiveincludesafactoryinstalledDCCandsoundboardwithspeakers.Theboardismountedinthetender.TheDCCdecoderautomaticallysensesthepowersupplytype(eitherDCorNMRAcompli-antDCCsystem)thatisbeingusedandwilloperatewithoutinterventionfromtheuser.
Hand-HeldWirelessController
IncludedwiththeChallengerlocomotiveisahand-heldwire-lesscontroller.WhenoperatingonconventionalDC,thiscon-trolunitisdesignedspecificallytoallowcontrolofthespeedanddirectionofthelocomotiveaswellasthesesixindividualsoundfunctions: •Bell •Whistle •WaterInjector •AirRelease •BlowerHiss •FireBoxDoor
ThesearemoresoundfeaturesthanhavebeenpreviouslyavailabletotheconventionalDCsounduserinanyformat.TheGenesisTMChallengerLocomotivewilloperateonDCwithouttheuseofthishandheld,however,onlythesteamchuffsoundswillbeavailableinthisoperationalmode.
S o u n d a n d D C C F e a t u r e s
LED Indicator
WhistleBell
Stop
AccelerateDecelerate
Direction
The12-volttransmitterbattery#A23-12,isavailableatanyelectronicsorofficesupplystore.
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Your new GenesisTM Challenger Locomotive comesfactory equipped with a state-of-the-art Dual Functiondecoder. This means your locomotive will run on anyNMRAcompatibleDCCsystemoron any regularDCTrainControl(HOpowerpack).Caution: Do not run your new GenesisTM ChallengerLocomotiveonanyGscalepowerpack.Youmaydam-agethelocomotivecircuitry.WhenrunningonaDCpowerpack,thislocomotivefea-turesawirelessradiocontrol.Thismakesaccessingthesoundfunctionsandrunningthelocomotivemoreconve-nientwhenfollowingyourtrainaroundthelayout.The transmitter (battery not included) that comes withyourlocomotivehasthefollowingfunctions:1.Button1willstartorstopthebellsounds.2.Button2willoperatethesteamwhistle.3.ButtonSTPwillbringthelocomotivetoagradual
stop.Thisisabuiltinsafetyfeature.PressButtonSTPwhilethelocomotiveisstoppedandyouwillhearthewaterinjectorsound.
4. Button 4 will accelerate the locomotive. When thelocomotivehas reached itsmaximumspeed,pressingButton4will activate the soundof the fireboxdooropeningandclosing.
5.Button3willdeceleratethelocomotive.PressButton3whenthelocomotiveisstoppedandyouwillhearanairreleasesound.
6.Button5(pressedwhilethelocomotiveismoving)willslow the locomotive down, change its direction andspeeditup.Thisisalsoabuiltinsafetyfeature.PressButton 5 when the locomotive is in idle (25%—35%throttlesetting)toactivatetheblowerhisssound.
Note: There are two idle settings that enable varioussounds to be controlled while the engine is stand-ing still. To activate "Idle #1" set the power pack'sthrottle setting at the 25%—35% position, being sure
to keep the transmitter's speed regulator setting off.In "Idle #1" the following sounds can be activated:bell, whistle, water injector, air release, blower hissandfireboxdoor.Toaccessthe"Idle#2"setting,setthepowerpack'sthrottleto100%(again,keepingthetransmitter's speed regulator off). While in "Idle #2"thesamesoundscanbeactivatedwiththetransmitter,withtheexceptionofthefireboxdoor.
DCOperation-AnalogModeTo set up your Hand Held Controller and operate youlocomotive with a DCpower pack, follow these easydirections:
1.Installthebatteryinthetransmitter.2.ConnectthewiresfromyourDCpowerpack's"vari-
abletrackterminals"toyourtrack.3. Place the locomotive on the track making sure all
wheels are aligned correctly to avoid short circuits,whichcanpossiblydamageyourlocomotivecircuitryandpowerpack.
4.TurntheswitchonthepowerpacktoON.5.Slowlyadjust thethrottleuntilyouhear thelocomo-
tive begin to idle. Only during idle can you use thedirection switch on the power pack to change thelocomotive’sdirection.Eithertheheadlightorback-uplightwillilluminatetoindicatethelocomotive’sdirec-tion.Oncethelocomotivebeginsmoving,youcannotusethedirectionswitchonthepowerpacktochangedirection.Youcanonlyuse transmitter tochangethelocomotivedirectionwhile it ismoving.This featureallows you to control another analog locomotive onthesametrack.
6. Your new GenesisTM Challenger Locomotive willalwaysrememberitslastdirectionofoperationregard-
lessofthepositionofthedirectionswitchonthepowerpack.
7.Whenyouusethepowerpack'sthrottletocontrolthelocomotive’s speed, the top speed will be limited bythetransmitter’sspeedsetting.
8.Whenyouusethetransmitter tocontrol thelocomo-tive’sspeed,thetopspeedwillbelimitedbythepowerpack'sthrottlesetting.
9.Ifthelocomotive'stopspeedistoolow,donotsetthepower pack's throttle to maximum. We recommendyousetthethrottleto60%-70%andusethetransmittertocontrolthelocomotivespeed.Thiswillgiveyouthebestoperationrange.
10. Never exceed 18 volts D.C. to the track in analogoperation. Excessive track voltage may damage thelocomotive’scircuitry.Never try tooperate the loco-motiveonA.C.power.
11.Ifthetransmitter’srangebeginstodecrease,thebat-teryneedstobereplaced.
12. We recommend you always use the power pack'sthrottletocontrolthelocomotivespeed.Notonlywillyougetasmootherspeedcontrol,but thebatterylifewillbeextended.
13.Wheneveryoufeelthatthelocomotiveisnotoperat-ing properly you should move the throttle to zero or25%-35% throttle setting (depending on your powerpack)andslowlymovethethrottleupagaintocontrolthelocomotive.
ProgramminginAnalogMode
While inanalogmode,youcanprogram thechuff rateandthesoundvolume.
1.Placethelocomotiveontrack2.TurnthepowerswitchonthepowerpacktoON.
TIPSforAnalogOperation
1.Turnupthethrottleuntilsoundsstartandlocomotiveidles.2.Select the locomotive’sdirectioneitherbythedirec-
tionswitchonthepowerpackorbythetransmitter.3. Slowly start your locomotive moving by using the
power pack’s throttle to set desired top voltage set-ting.
4.Onceunderway,usethetransmitterButton4tospeeduporButton3 to slowdown.Holddown thebuttonuntilyoureachthedesiredspeed.
5. Ifthetopvoltagesettingatmaximumspeedistoolow,usethepowerpacksthrottletoadjustthetopvoltageset-ting.
6.Toconservebattery,usethethrottletocontrollocomo-tivespeedandusethetransmittertoactivatesounds.
7.Whenfinishedrunningyourlocomotive,turnyourpowerpackthrottletoOFFandturnoffthepowerpack’spowerswitch. Any programming changes made in DC analogmodewillaffectanypriorDCCmodesettings.
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3. Slowly turn the throttle until sounds come on. Oncesoundsbeginyouhave20secondstoenter theprogrammode.
4.EntertheprogrammodebypressingtheButtonSTPthree(3)times.Thelocomotivewillsay“program”aftereachpress.Afterthethird“program,”youwillbeinprogrammode.
5.PressButton4orButton3 to speedupor reduce thechuff rate, respectively.Eachpressof thebuttonadjuststhechuffrateupordownbyoneunit.Eachtimeyouwillhearthelocomotivesay“program”.
6.PressButtonWtotogglebetweenvolumesettings.Youwill hear the locomotive say “program” with the newvolumesetting.
7.Oncefinishedprogramming,turnthepowerswitchonthepowerpack toOFF.Thiswill reset the locomotive andlockinyourprogramming.Toresumeoperation,followthestepsunder“DCOperation”.
ManualVolumeControl
Located on the top of the tender towards the rear,thereare3ovalhatches.Removethemiddlehatchanduseasmallflat-bladedjeweler’sscrewdrivertoadjustthevolume.
Removethishatchtoadjustsound
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AdditionalInformation
Thedual-functiondecoder installed in this locomo-tive should perform well when used with any NMRAcompatibleDCCsystem.SeeyourDCCmanualonhowtoprogramandoperatethedecoder.Formoreinforma-tionaboutRegister/CV’sandtheirfunctions,pleasereferto the NMRA DCC standards and recommended prac-tices,RP-9.2.2.ThisisavailabledirectlyfromNMRAorontheirwebsiteatwww.nmra.org.
FCCCompliance
This device complies with Part 15 of FCC rules.Operation is subject to the following two conditions;1)Thisdevicemaynotcauseharmfulinterference,and2) This device must accept any interference received,includinginterferencethatmaycauseundesirableopera-tion.
BatteryType #A2312volt
DCCOperation-DigitalMode
Your new GenesisTMChallenger Locomotive willoperate on any NMRA compatible DCC system. Thedual-functiondecoderhasthefollowingfeatures:
•Synchronizedsteamchuffwithrandomsounds•1.5ampcapacity•Programmableforeither2digit,(1-127)or4digit,(1-
9,999)addresses•Programmablestartvoltage•Programmableaccelerationrate•Programmabledecelerationrate•Programmabletopvoltage•Programmablechuffrate•Programmablevolume•Programmable14-28/128speedsteps•Directionallighting(FØ)•12accessorysoundfunctions,(F1-F12)•Advancedconsisting(CV19)•OPSmodeprogramming•CompatiblewithNMRAD.C.C.standard•ComplieswithPart15ofF.C.C.Rules
Operation
TheGenesisTMChallengerLocomotivecanbeoper-ated with the steam sounds on or off. Double clickingyourheadlightbutton(FØ)willturnthesteamsoundsonoroff.Whenthesteamsoundsareturnedoff,allassoci-atedsoundsarealsoturnedoff.
ProgrammingforDCCOperation-DigitalMode
Thisdecoder supportsallprogrammethods includ-ingregistermode,pagedmode,CVprogramming,directmode and programming on the main (OPS mode pro-gramming).Program the locomotive the samewayyouwouldpro-gram any other NMRA compatible decoder with yourDCCsystem.
CVCHART
CV REGISTER DESCRIPTION RANGEFACTORY
VALUE
CV1 R1 Shortaddress 1—127 3
CV2 R2 Startvoltage 0—32 0
CV3 R3 Acceleration 0—32 0
CV4 R4 Deceleration 0—32 0
CV5 --- Topvoltage 0—32 32
CV29 R5Basic
Configuration--- 2
CV7 R7Manufacturer
Version#--- 32
CV8 R8Manufacturer
I.D.--- 143
CV17 ---Longaddress
upperbyte192—231 192
CV18 ---Longaddress
lowerbyte0—255 3
CV19 ---Advanced
consistaddress1—127 0
CV52 ---Soundvolume
MIN/MAX0or1 1
CV64 --- Chuffrate 0—10 5
CV105 ---Useridentifier
number0—255 0
CV106 ---Useridentifier
number0—255 0
--- R6 Pagenumber 0-31 1
STEAMSOUNDSCHART
FUNCTION IDLE/MOVING
DoubleclickFØ SoundsON/OFF
F1 BellON/OFF
F2 Whistle
F3 Airrelease
F4 Coupling
F5 BrakeSqueal
F6 Conductor
F7 FireBoxDoorOPEN/CLOSE
F8 SandRelease
F9 CylinderCock/FlangeSqueal
F10 WaterInjector
F11 BlowerHiss
F12 SoundsON/OFF
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LubricationandMaintenanceoftheGenesisTM4-6-6-4Challenger
The GenesisTM Challenger Locomotive has beencarefully engineered to provide years of trouble freeoperation. However, as with all things mechanical, asmall amount of care and maintenance is required toinsure the flawless operation of this fine model. Thesesimple procedures will provide the necessary informa-tiontogiveyouyearsoftrouble-freeenjoyment.
CareandCleaning
Dust and debris are among the leading contribu-torstopooroperationofanyminiaturemechanism.Tomaintain the quality performance of your locomotive,inspectionandcleaningshouldbeperformedonaregularbasis.Asoftbristlebrushshouldbeusedtoremovedustfrom the superstructure. The use of soaps, solvents ordetergentsisnotrecommendedforthispurposeastheywillhaveatendencytomarthefinish. Whennotinuseitisrecommendedthatthelocomo-tiveandtenderbestoredintheprotectivesleeveinwhichitwaspacked.Also,store thewirelesscontroller in thelocomotiveboxwiththebatteryremoved. Wheninspectingtheunderframe,makesurethatalllintanddustareremovedfromthebackofallwheelsets.Dirtbuildupinthisareawillfoulthepick-upwipersandnotallowproperelectricalcontact,negativelyimpactingperformance.
WheelCleaning
The GenesisTM Challenger Locomotive receiveselectricpowerfromalldriversaswellaseightoftheten-derwheelsfrombothrails.This,coupledwiththelongoverallwheelbase,providesforexcellentelectricalcon-
tact. There should be few cases of erratic performancedue topoorcontact.However,over time,dirt from therailswillaccumulateonthewheelsurfacesandwillneedtoberemovedtoassurepeakoperation.Theuseofacot-tonswabtoapplyeitheralcoholoragoodqualitytrackcleaningsolutionisrecommended.Carefullyapplythesolvents,takingcarenottospillanyonthepaintedsur-faces.Alternatively,eitheraninkeraseror‘BrightBoy’abrasive block can be used to remove dirt deposits bycarefullyburnishingthewheelsurfaces.Whencleaningthewheels,alsoremoveanydirtbuildupfromthemetalsur-facesonthebackrimsofthewheels.Thiswillassurethatthewipercontactswillmaintaingoodcontactwiththewheels.
Lubrication
This locomotivewill arrivepre-lubricated from thefactory and will not need additional lubrication until ithasbeen run forquite some time.When it comes timetolubricatethelocomotive,useonlylightweightoilandgear grease that is plastic compatible. Use a minimumamount.Theplasticsusedformanyofthecomponents,suchasthegearsanddrivelines,maketheminherentlyselflubricating.Rememberthattoomuchlubricationcanbemoredetrimentaltothelocomotivethantoolittle.
Themainpointsoflubrication,andtypeoflubricantareasfollows:•Axlebearingsonthedrivers–lightoil•Armaturebearingsonthemotors–lightoil•Oillightbearingsonthewormgearshafts–lightoil•Bearingsonthecentipedetenderwheels–lightoil•Siderodsatthecrankpins–lightoil•Geartowers–lightgeargrease Byfollowingtheexplodeddrawings,accesstoeachoftheseareasshouldbeeasilyaccomplished.Ifyouare
notcomfortablewithdisassembling this locomotiveforlubrication take it to one of the many Model Railroadhobbyshopsthatcanprovidethisservice.
SmokeUnitInstallation
TheGenesisTMChallengerLocomotiveisdesignedtoacceptSeuthe#9or#10smokegeneratorunits.Thesearenotprovidedwiththelocomotiveandmaybeaddedbythepurchaserat theirdiscretion.If it isdecidedthatsmokeunitswillbeinstalled,carefullyfollowtheinstal-lationandoperatinginstructionsprovidedbythesmokeunitmanufacturer.Genesisdoesnotwarrantyanydefectsin these smoke units or damage that may occur to thelocomotivethroughtheiruse. Depending upon the number of smoke stacks onthe locomotive, either one or two smoke units will beneededtocompleteinstallation.Installationisveryeas-ilyaccomplished:Slidethesmokeunitdownthesmokestack until it engages the electric contacts inside theboiler.Addaminimalamountofsmokefluidtotheunitandoperatethelocomotivenormally.Itmaytakeashortamountoftimewhenrunningtoheatupthesmokeunitbeforesmokeisproduced.Thisisnormal.
CouplerInstallation
TheAthearnGenesisChallengermodelcomeswiththeswivelcouplerinstalledonthepilot.Asontheprototypeengines,youcanhavethecouplerexposedonthepilot,orswingitaroundsothatthepilothasnocouplerinuse.The "coupler"on thispart is adummy (non-operating)coupler.
Anoperatingcouplercanbeinstalledonthepilot.Sim-ply unscrew and remove this dummy coupler. Onceremoved,youwillnotethattherearetwothreadednuts.
Anoperatingcouplershouldfitintherearmostholewithnoclearanceproblems,andthecouplerandit’sboxcanbe attached using screw #212 (supplied, see drawing).If,however,yourchoiceofcouplerdoeshaveclearanceproblemswhenmountedintherearthreadednut,simplymountittothethreadednutfurtherforward.
ReplacingtheTractionTireorReplacingtheTractionTireEquippedDriver
To provide tractive effort that rivals the prototype,twotractiontiresarefactoryinstalledonlastsetofdriv-ersoftherearengine.
Toreplaceawornorloosetractiontire:• Remove the crank pin nuts from the traction tire
equippeddriver.•Loosentheremainingcrankpinscrewsfromtheother
drivers.• Remove the eccentric crank, main rods, bushing
and drive rod from the crank pin on the traction tireequippeddriver.
•Slideoffthetractiontireandreplacewithanewtire.•Reversetheprocedureofdisassembly.
Replacementtractiontiresareavailablefromyourlocalhobbyretailer.
Toreplaceadriver:• Remove the crank pin screw and nuts from the side
rods.•Removethesiderodsandeccentriccranks.• Remove the retaining plate from the bottom of the
enginebyremovingthethreeretainingplatescrews.•Removethewiperassembly.•Removethedriverassembly.•Replacewithnewdriverassemblymakingsurethatthe
quarteringmatchestheotherdriversontheengine.•Assembleinthereverseorderthatwasusedinthedis-
assembly.
Useoftheexplodeddrawingsinthisbookletwillgreatlyassistintheabovelistedprocedures.
ReplacementpartsareavailablefromAthearnTrainstotheoriginalpurchaserforwarrantyrepairsonly.Awar-rantyregistrationformmustbeonfileatAthearnTrainstohonoranypartsrequests.
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339338
337
336342
341
340
361
344
345346
343
347
359358
357
354353352
351350
355356
334
333
331
332
305
313
318
360
360
330329
328327
326
325
324
322
323
321
320
312311
310
319
307
317
316315
314
306
304
303
302
335
309
375
374
376
308
377
348
301
349
339338
337342
341
340
361
344
345346
343
347
358
357
354353352
351350
355356
334
335
333
331309
375
374
376
332
308
305
313
318
360
360
330329
328327
326
325
324
322
323
321
320
312311
310
319
307
317
316315
314
306
304
303
302
459
460
377
COALTENDERwithWOODDECKCOALTENDER
��
348349
339
337342
341
340
361
344
345346
343
347
355356
358
567
568
569
570571
566565
564
561
563
562
560559
357
354353352
351350
301
334
333
331
332
305
313
318
360
360
330329
328327
326
325
324
322
323
321
320
312311
310
319
307
317
316315
314
306
304
303
302
336
338
335
309
375
374
376
308
377
��
Item# Description QTY
301 Tenderleadtruckwheelandaxleassm. 2
302 Centipedesideframemountingscrew 3
303 Centipedesideframe 1
304 Tendercouplerscrew 1
305 Tendercouplerboxcover 1
306 Rearcoupler 1
307 Screw 2
308 FrontTenderWeight 1
309 RearTenderWeight 1
310 Tenderleadtrucksideframe 1
311 Tenderleadtruckspring 1
312 Tenderleadtruckwasher 1
313 Tendercouplerbox 1
314 Tenderairhose 1
315 Couplercutleverassm. 1
316 Couplercutleverwire 1
317 Centipedewheelwithbearingsassm. 2
318 Centipedewheelassm. 3
319 Equalizingspring 3
320 Tenderendchassisdetail 1
321 Tenderplugsocket 1
322 Tenderplug-inPCB 1
323 Tenderplug-inPCBmountingscrews 2
324 Tenderdrawbarattachmentpost 1
325 Centipedepick-upbottominsulator 1
326 Centipedepick-upwipers-right 1
327 Centipedepick-upmountingscrew-short 1
328 Centipedepick-uptopinsulator 1
329 Centipedepick-upwipers-left 1
330 Tenderbottom 1
331 DCCcircuitboard 1
332 DCCboardmountingscrew 2
333 Lefttoolbox-short 1
334 Lefttoolbox-long 1
335 SpeakerHousing 1
336 Lefttoolbox-medium 1
337 Reartenderladder 2
338 Sidepipe-left 1
339 TenderbodyforEngine#3985 1
340 Tenderapron 1
341 Tenderfrontgrabirons-type2 1
Item# Description QTY
342 Tenderfrontgrabirons-type1 4
343 Tenderfrontdetail 2
344 Sidepipe-right 1
345 Righttoolbox-short 1
346 Righttoolbox-long 1
347 Tenderholddownscrew 2
348 Tendermarkerlamps 2
349 Tenderrearlightlens(clear) 1
350 Tenderdeckrearhandrail 2
351 Tenderlightbar(clear) 1
352 Back-uplightlens(clear) 1
353 Back-uplightbase 1
354 Back-uplightconduit 1
355 Tenderdeckhandrailwire 2
356 Tenderdeckhandrail 2
357 Waterfillhatches 3
358 Tenderdecktoolbox 1
359 Coalbunker(full) 1
360 Brasssleeve 2
361 Tendersidehandrail 2
362 TenderBody 1
374 FrontTenderWeightScrews 2
375 Centipedepick-upmountingscrew-Long 2
376 Speaker 2
377 SpeakerHousingMountingScrew 1
459 Coalbunker(partiallyfull) 1
460 Woodtenderdeck 1
PartsspecifictoTenderwithOilBunker
559 Oilbunker 1
560 Oilfillerhatches 2
561 Oilfillervents 1
562 Oilbunkerwalkway 1
563 Oildipstick 1
564 Oilpipe#1 1
565 Oilbunkerdetail#1 1
566 Oilbunkerdetail#2 1
567 Sandbox 1
568 Oilbunkerdetail#3 1
569 Oilpipe#2 1
570 Oilbunkerhandrailwire 2
571 Oilbunkerhandrailassm. 2
OILTENDER
Item# Description QTY1 Cabsideslidingwindowglazing-right 12 Cabsidefixedwindowglazing-right 13 Cabdoorspring 14 Cabdoorhingepin 15 Cabdoorsupport 16 Cabrearhandrail 17 Cabdoor 18 Cabdoorglazing-left 19 Cabdoorglazing-right 110 Cab 111 Roofhatch 112 Roofhatchhinge 113 Roofhatchhingepins 214 Cabsidefixedwindowglazing-left 115 Cabsideslidingwindowglazing-left 116 Cabfrontwindowglazing(clear) 217 Screw 118 Cabgrabiron-right 119 BoilerHalf-top 120 Generators 221 Generatorbase 122 Safetyvalves 423 Safetyvalvebase(3valve) 124 Safetyvalve 125 Safetyvalvebase(2valve) 126 SteamDomecover 127 Boilerscrew 128 Piping 129 Boilertop-dualstack 130 Sanddomegrabiron 431 Piping 132 Smallhandrail 433 Whistle 134 Piping 135 SmokeStack 236 BellBracket 137 Bell 138 Piping 139 Piping 140 Piping 141 Numberboardlens(clear) 242 Numberboardfronthousing 243 NumberboardPCB 2
Item# Description QTY87 Walkway-rearleftside 188 Walkway-frontrightside 189 Walkway-frontleftside 190 Pipingforrearcylinder-left 191 Ballheadshaft 292 Pipingforfrontcylinder 293 LinkPipeforfrontcylinder 294 Boilerbottomhalf 195 Screwforpiping 296 Pipingundersmokebox 197 Pipingforrearcylinder 198 Piping 199 Piping 1100 Powerreversecylinder 1101 Screw 8102 Piping 1103 Screw 2104 Trailingtruckspring 2105 Brasssleeve 3106 Rearframescrew-rear 1107 Rearframe 1108 Framecover 1109 Blowdownpipingundercab 1110 Piping 1111 Feedwaterpipingundercab 1112 Dropplate 1113 Backhead 1114 Fireboxdoor 1175 Couplersupportfordummyswivelcoupler 1200 Boilertoppart 1201 E-ring 2202 Boilerbottompiping 1203 Boilersidepart 1204 UPplaque 1205 Metalwireforpiping#1 1206 Metalwireforpiping#3 1207 Metalwireforpiping#4 1208 Cabgrabiron-left 1209 Plug 1212 Ashpan-right 1213 Ashpan-left 1214 Smokeboxnumberboard-rectangular 1215 Singlesmokestack 1216 Boilertoppart-singlestack 1
Item# Description QTY44 Numberboardmountingbracket-right 145 Drophandrail-left 146 Wirehandrailassm.-left 147 Numberboardmountingbracket-left 148 Smokeboxdoor 149 Markerlight 250 Stantionsforsmokeboxhandrail 151 Wireforsmokeboxhandrail 152 Smokeboxnumberboard 153 SmokeunitPCB 154 Smokeunit(notsupplied) 255 LocomotivePCB 156 Piping 157 Drophandrail-right 158 Wirehandrailassm.-right 159 Headendthrottlelever 160 Die-Castboilerinsert-top 161 Driveshaftcoupler 262 Tenderdrawbar 163 Hexcouplingshaft 264 Motor/Flywheelassm. 165 Drawbarcenteringspring 166 Washer 267 Metalwireforpiping 168 Smokeunitcontactstrip 169 Insulatorplateforsmokeunit 170 Die-Castboilerinsert-bottom 171 Piping 172 Piping 173 Piping 174 Reservior 175 Pipingundercab 176 Smokeunitplug 177 Airtank 178 Insulatorplate 179 Piping 180 Pipingundercab 181 Piping 182 Pipingundercab 183 Cabjumpseats 284 Cabseat(engineerandfireman) 285 JohnsonBar 186 Walkway-rearrightside 1
SUPERSTRUCTUREPARTSLIST
78
79
86
83
98
66
11570
20720659
5857
43 44 45
4647
65
62 6463
61
60
56
55 54
4849
12
5
9
87
4
3
6
10 18 11 12 13 208 14 15
16
17
19 20 2122 23 24 25
26 2728 200
29 30 31 32
36
33 34 35
3738
3940 41 42
5051
20452
53
69
68
213203 9799
202
100101
212
102103104
105106
107
108
109205110
209111
112
113
114 83
84
85
87
8988
82
7780
81 6776
717574
73 72
90
94
96
20195 93 92
91
43 44 45
4647
4849
12
6
10 18 11 12 13 208 14 15
16
17
19 20 2122 23 24 25
26 2728 200
29 30 31 32
36
33 34 35
3738
3940 41 42
5051
214
UNIONPACIFIC CLINCHFIELD
RIOGRANDE
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WHEEL ASSY WITHOUT TIRE
166
162161160
136
137
147
146
154
155
156
150151
152
153
173
147
149
148
146
145144143
140141
142
131
130
129128 127
117
116
118
132
125126 124 123
133
139
134
135
119120
121
122157
158
174
173
199
168
167
191 190 189 188187
186185184
183182
181
180179
178
198
194
176195
196
197
193192
175
177
164163
159
138
165
169172
171
170
211
Item# Description QTY
158 Frontenginepick-upwiperassm. 1
159 Frontenginevalvegearassm.-right 1
160 Frontenginegeartowercover 1
161 Frontengineframeandgeartower 1
162 Frontenginevalvegearhanger-rear 1
163 Frontenginevalvegearhanger-front 1
164 Pistonvalveshaft 2
165 Frontenginevalvegearassm.-left 1
166 Eccentriccrank-left 2
167 cylinderparts 1
168 Frontcylindercasting 1
169 Pilottruckaxleretainers 2
170 Pilottruckframe 1
171 Pilottruckwheelsandaxles 2
172 Screwforpilottruck 1
173 Cylinderweight 4
174 Cylinderpart 1
176 PilotAirHose 1
177 Dummyswivelcoupler 1
Item# Description QTY
197 Frontcouplerboxcover 1
198 Pilotcouplerboxscrew 1
199 Pilottruckwasherandspring 1
210 Tractiontires 2
211 Wheelassm.Withouttractiontires 1
Item# Description QTY
178 Pilot 1
179 Couplerliftbarassm. 1
180 Couplerliftbarwire 1
181 FlagHolder 2
182 Aircompressor 2
183 PilotShield 1
184 LEDaccessplug 1
185 HeadlightLED 1
186 Headlightlightbar(Clear) 1
187 Pilothandrail-left 1
188 Wireforpilothandrail-left 1
189 Headlightlens(Clear) 1
190 Headlight 1
191 Headlightnumberboardlens(clear) 2
192 Pilothandrail-right 1
193 Wireforpilothandrail-right 1
194 Coupler 1
195 Couplersupport 1
196 Frontcouplerbox 1
Item# Description QTY
139 Rearengineframeandgeartower 1
140 Idlergear#3 2
141 Idlergear#2 2
142 Rearenginevalvegearassm.-right 1
143 Rearenginegeartowercover 1
144 Idlergear#1 2
145 Compoundgear 2
146 Wormgearassembly 2
147 Wormgearassemblyretainer 2
148 Rearenginevalvegearhanger 1
149 Rearenginevalvegearassm.-left 1
150 Rearenginepistonvalvequides-right 1
151 Rearenginecylinderpart-right 1
152 Rearcylindercasting 1
153 Frontandrearenginecylinderpart2 2
154 Frontandrearenginecylinderpart1 2
155 Rearenginecylinderpart-left 1
156 Rearenginepistonvalvequides-left 1
157 Frontenginebottomretainingplate 1
Item# Description QTY
115 Screw 1
116 Trailingtruckwheelandaxleassm. 2
117 Trailingtruckhand-wheel 1
118 Trailingtruckframe 1
119 Rearenginebottomretainingplate 1
120 Rearenginepick-upwiperassm. 1
121 Pick-upwiper 8
122 Pickupinsulators 4
123 Mainrod 4
124 Crankpinscrew 8
125 Driverod 4
126 Trailingtruckwasher 2
127 Eccentricrod 4
128 Eccentricrodrivet 4
129 Eccentriccrankrivet 4
130 Crankpinnut 4
131 Eccentriccrank-right 2
132 Driverodbushing 4
133Rearenginewheelassm.#1(geared)withtractiontires
1
134 Rearenginewheelassm.#2 1
135 Rearenginewheelassm.#3 1
136 Frontenginewheelassm.#1 1
137 Frontenginewheelassm.#2(geared) 1
138 Frontenginewheelassm.#3 1
RUNNINGGEAR