Operator's Manual

3.Presstherightbuttontochangethereelspeed
value.Asthespeedsettingischanged,the
displaywillcontinuetoshowthecalculatedreel
speedbasedonbladecount,mowspeedand
HOC,butthenewvaluewillalsobedisplayed.
Note:Thereelspeedmayneedtobeincreased
ordecreasedtocompensateforvaryingturf
conditions.
CuttingGrasswiththe
Machine
Note:Cuttinggrassataratethatloadstheengine
promotesDPFregeneration.
1.Movethemachinetothejobsiteandalignthe
machineoutsidethecuttingareafortherst
cuttingpass.
2.EnsurethatthePTOswitchissettotheDISABLE
position.
3.Movetheleverforthemow-speedlimiter
forward.
4.Pressthethrottle-speedswitchtosettheengine
speedtoHIGHIDLE.
5.Usethejoysticktolowerthecuttingunitstothe
ground.
6.PressthePTOswitchtopreparecuttingunits
foroperation.
7.Usethejoysticktoraisethecuttingunitsoffthe
ground.
8.Beginmovingthemachinetowardthecutting
areaandlowerthecuttingunits.
Note:Cuttinggrassataratethatloadsthe
enginepromotesDPFregeneration.
9.Whenyoucompletethemowingpass,usethe
joysticktoliftthecuttingunits.
10.Performatear-shapedturntoquicklylineupfor
yournextpass.
DieselParticulateFilter
Regeneration
Thedieselparticulatelter(DPF)ispartoftheexhaust
system.Thediesel-oxidationcatalystoftheDPF
reducesharmfulgassesandthesootlterremoves
sootfromtheengineexhaust.
TheDPFregenerationprocessusesheatfromthe
engineexhausttoincineratethesootaccumulatedon
thesootlter,convertingthesoottoash,andclears
thechannelsofthesootltersothatlteredengine
exhaustowsouttheDPF .
Theenginecomputermonitorstheaccumulationof
sootbymeasuringthebackpressureintheDPF .If
thebackpressureistoohigh,sootisnotincinerating
inthesootlterthroughnormalengineoperation.T o
keeptheDPFclearofsoot,rememberthefollowing:
•Passiveregenerationoccurscontinuouslywhile
theengineisrunning—runtheengineatfull
enginespeedwhenpossibletopromoteDPF
regeneration.
•Ifthebackpressureistoohigh,theengine
computersignalsyouthroughtheInfoCenter
whenadditionalprocesses(assistandreset
regeneration)arerunning.
•Allowtheassistandresetregenerationprocessto
completebeforeshuttingofftheengine.
Operateandmaintainyourmachinewiththefunction
oftheDPFinmind.Engineloadathighidle
enginespeedgenerallyproduceadequateexhaust
temperatureforDPFregeneration.
Important:Minimizetheamountoftimethatyou
idletheengineoroperatetheengineatlow-engine
speedtohelpreducetheaccumulationofsootin
thesootlter.
CAUTION
Theexhausttemperatureishot(approximately
600°C(1112°F)duringDPFparked
regenerationorrecoveryregeneration.Hot
exhaustgascanharmyouorotherpeople.
•Neveroperatetheengineinanenclosed
area.
•Makesurethattherearenoammable
materialsaroundtheexhaustsystem.
•Nevertouchahotexhaustsystem
component.
•Neverstandnearoraroundtheexhaust
pipeofthemachine.
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