Operator's Manual

2.TurnthekeytotheOFFpositionandremoveit
fromtheswitch.
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.To
keeptheDPFclearofsoot,rememberthefollowing:
•Passiveregenerationoccurscontinuouslywhile
theengineisrunning—runtheengineatfull
enginespeedwhenpossibletopromoteDPF
regeneration.
•IfthebackpressureintheDPFistoohighora
resetregenerationhasnotoccurredfor100hours,
theenginecomputersignalsyouthroughthe
InfoCenterwhenresetregenerationisrunning.
•Allowtheresetregenerationprocesstocomplete
beforeshuttingofftheengine.
Operateandmaintainyourmachinewiththefunction
oftheDPFinmind.Engineloadathighidle(full
throttle)enginespeedgenerallyproducesadequate
exhausttemperatureforDPFregeneration.
Important:Minimizetheamountoftimethatyou
idletheengineoroperatetheengineatlow-engine
speedtohelpreducetheaccumulationofsootin
thesootlter.
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