Software Guide

EngineSpeedMode
3modesareavailable:LOW,EFFICIENT,andMAXIMUM.
•LOW:Lowtransportspeed/Lowidleforreducing
deckpackinginwetmowingconditions.
•EFFICIENT:Mediumtransportspeedandmaximum
fueleconomyandnormalmowingconditions.
•MAXIMUM:Maximumtransportspeed/Highidlefor
extrememowingconditions.
Thepanelilluminatesshowingthecurrentengine
speedmode(LowisselectedinFigure4).
SafetyInterlockStatusIndicators
Theseilluminatewheneachcontrolisinthestarting
position(i.e.,PTOdisengaged,parkingbrake
engaged,motion-controlleversintheNEUTRAL-LOCK
position,andtheoperatorispresent).
•ThePTOmustbedisengaged,brakeengaged,
andmotion-controlleversout(NEUTRAL-LOCK
position)tostarttheengine.(Youdonotneedto
beintheseattostarttheengine.)
Note:ThestartercrankswiththePTOswitchin
theON(pulledup)position;however,thesystem
disengagesthePTOandaPTOreseterroroccurs.
EngagingthePTOrequiresyoutoresetthePTO
switchbyturningitOFF(pusheddown)andON.
•YoumustbeintheseatwhilethePTOisengaged,
theparkingbrakemustbedisengaged,orthe
motion-controlleversmustbemovedinward;
otherwise,theengineshutsoff.
•Theengineshutsoffifeithertheleft,theright,
orbothleversaremovedfromNEUTRAL-LOCK
positionwhiletheparkingbrakeisengaged.
Note:RefertothemachineOperator’sManualto
checkthesafetyinterlocksystem.
EngineTemperature
Abargraphdisplaystheenginetemperature.When
thetemperatureishighandapproachinganoverheat
condition,thebargraphashes.Whentheengine
hasoverheated,thebargraphllscompletely.
EngineSpeed
Displaysthespeedoftheengine.
FuelLevel(iffuelsenderisavailable)
Thefuellevelisshownonabardisplay.Anerror
appearswhenthefuelleveldropstoapproximately
3.8L(1USgallon)remaininginthetank.
RecommendedEngineCooldownTime
Therecommendedtimetoidletheenginebefore
itshutsdownisshownonabardisplay.Thelevel
movestowardthebottomofthedisplayastheengine
coolsandisemptywhenitissafetoshutoffthe
engine.Ifyoushutofftheenginebeforethecooldown
periodhasexpired,afaultisloggedinthehistorical
faultlog.
EngineDieselParticulate
Filter(DPF)Regeneration
Screens
CAUTION
Duringregeneration,thedieselparticulate
lterbecomesextremelyhotandcancause
seriousburns.
Keepyourbodyandhandsawayfromthe
engineduringregeneration.
Thedieselparticulatelter(DPF)removesparticulate
matterfromtheexhaustandpreventsitfrombeing
dischargedintotheair.Astheparticulatescollect
inthelter,theengineperformsaregenerationto
preventclogginganddecreasedengineperformance.
Mostregenerationsareperformedinthebackground
anddonotimpactoperation.Thereare4modes
formaintenance:passiveregeneration,auto
regeneration,stationaryregeneration,andrecovery
regeneration.
1.PassiveRegeneration
Thisistheprimarymoderegenerationthat
occursautomaticallyduringnormaloperation.
Whentheengineisrunningatnormalloads,the
exhausttemperaturekeepstheDPFabovethe
minimumtemperatureforregenerationsothat
normalparticulatematter(PM)accumulationin
theDPFisexpected.
2.AutoRegeneration
IftheengineECUsensesthattheDPF
backpressurehasincreasedpastanacceptable
threshold,anautoregenerationwilloccur.
Duringtheautoregeneration,theintakethrottle
valvelimitstheairowintotheenginewhile
theinjectorsaddadditionalfuel.Thisprocess
increasestheDPFtemperature,whichallows
accumulatedparticulatetoburnoff.Theauto
regenerationiscompletedwhenneeded.The
machinecancontinuetobeusedduringanauto
regeneration.
Thefollowingguresshowthescreensofthe
autoregenerationprocess.
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