Operator's Manual

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Figure37
1.Squareholeinbracket
2.Rearcarriagebolt
3.Holdtheratchetorbreakerbartorelievethetension
onthespringplateandremovetherearcarriagebolt.
4.Rotatethespringplateuntilitisalignedwiththeother
hole,insertthecarriagebolt,andtightenthenuts.
Note:Rotatingthespringplatesupwardwillincrease
theweighttransfer.
AddingAdditionalWeight
Withtheincreasedweighttransfer,itispossibletoaerate
rmenoughgroundthattheweighttransferbeginstolift
thereartwotiresofftheground.Thismayleadtoirregular
holespacing.
Ifthisoccurs,anadditionalweightplatecanbeaddedtothe
rearframeaxletube.Eachcastweightadds28.5kg(63lb)
tothemachine.Uptotwoplatescanbeadded.Refertothe
PartsCatalogforthesepartnumbers.
AeratorControlModule(ACM)
TheAeratorControlModuleisapottedelectronicdevice
producedinaonesizetsallconguration.Themodule
usessolidstateandmechanicalcomponentstomonitorand
controlelectricalfeaturesrequiredforsafeproductoperation.
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Figure38
1.Aeratorcontrolmodule
Themodulemonitorsinputsincludingheadlow,headhigh,
transport,aerate,andgroundfollowing.Themoduleis
dividedintoinputsandoutputs.Inputsandoutputsare
identiedbygreenLEDindicatorsmountedontheprinted
circuitboard.PowerisidentiedbyaredLEDindicator.
Thestartcircuitinputisenergizedby12VDC.Allother
inputsareenergizedwhenthecircuitisclosedtoground.
EachinputhasanLEDthatisilluminatedwhenthespecic
circuitisenergized.UsetheinputLED’sforswitchandinput
circuittroubleshooting.
Outputcircuitsareenergizedbyanappropriatesetofinput
conditions.ThethreeoutputsincludeSVL,SVR,andSVQ.
OutputLED’smonitorrelayconditionsindicatingthe
presenceofvoltageatoneofthreespecicoutputterminals.
Outputcircuitsdonotdetermineoutputdeviceintegrity,so
electricaltroubleshootingincludesoutputLEDinspection
andconventionaldeviceandwireharnessintegritytesting.
Measuredisconnectedcomponentimpedance,impedance
throughwireharness(disconnectatACM),orbytemporarily
testenergizingthespeciccomponent.
TheACMdoesnotconnecttoanexternalcomputerorhand
helddevice,cannotbereprogrammed,anddoesnotrecord
intermittentfaulttroubleshootingdata.
ThedecalontheACMonlyincludessymbols.ThreeLED
outputsymbolsareshownintheoutputbox.AllotherLED’s
areinputs.Thechartbelowidentiesthesymbols.
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