Toro 30881 - Page 37

presstherightbuttontoselecttheT echnicianentry
(Figure33).
g227348
Figure33
•UsetheDPFoperationtabletounderstandthe
currentstateofDPFoperation(Figure34).
g227360
Figure34
.
DPFOperationTable
State
Description
NormalTheDPFisinnormal-operating
mode—passiveregeneration.
AssistRegen
Theenginecomputerisperformingan
assistregeneration.
Theregeninhibit
settingissettoON.
ResetStby
Theengine
computeristrying
torunareset
regeneration,but
1ofthefollowing
conditionsprevents
regeneration:
Theexhaust
temperature
istoolowfor
regeneration.
DPFOperationTable(cont'd.)
State
Description
ResetRegenTheenginecomputerisrunningareset
regeneration.
ParkedStby
Theenginecomputerisrequestingthat
yourunaparkedregeneration.
ParkedRegenYouinitiatedaparkedregeneration
requestandtheenginecomputeris
processingtheregeneration.
Recov.Stby
Theenginecomputerisrequestingthat
yourunarecoveryregeneration.
Recov.RegenYouinitiatedarecoveryregeneration
requestandtheenginecomputeris
processingtheregeneration.
•Viewthesootloadwhichismeasuredasthe
percentageofsootintheDPF(Figure35);referto
thesoot-loadtable.
Note:Thesootloadvaluevariesasthemachine
isoperatedandDPFregenerationoccurs.
g227359
Figure35
Soot-LoadTable
ImportantSootLoadValuesRegenerationState
0%to5%
Minimumsootloadrange
78%Theenginecomputerperforms
anassistregeneration.
100%
Theenginecomputer
automaticallyrequestsa
parkedregeneration.
122%
Theenginecomputer
automaticallyrequestsa
recoveryregeneration.
PassiveDPFRegeneration
•Passiveregenerationoccursaspartofnormal
engineoperation.
•Whileoperatingthemachine,runtheengineat
full-enginespeedandhighloadwhenpossibleto
promoteDPFregeneration.
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