3-CONTROLSANDINSTRUMENTS
Dieselparticulatediffuser(DPD)
TheDieselParticulateDiffuserpuriesexhaustgasofparticulatematter.
Thediffusercollectsparticulatematterinalterandcombustsitautomaticallyafteracertainamounthasbeencol-
lected.
BesuretoobservethefollowingtoavoidproblemswiththeDieselParticulateDiffuser:
•
Whitesmokemaybeproducedduringcombustion.
•
DonotregeneratetheDieselParticulateDiffuserinabadlyventilatedroom.
•
Usegenuineorthespeciedengineoil.(Refertopage6-4).
Anyotherengineoilmaycauseproblemswiththeengineanddiffuserresultinginamalfunction.
•
Usethespeciedstandardfuel.(Refertopage6-4).
Low-qualityfuel,dewateringagent,andfueladditivesmaycauseproblemswiththeengineanddiffuserresultingin
amalfunction.
•
Whenacertainamountofparticulatematterhasbeencollectedinthelter,thediffusercombuststheparticulate
matterautomatically.
However,thediffusercannotcompleteregeneration,dependingontheworkconditions.
Ifregenerationisincomplete,anorangelampwillblink.
Executemanualregenerationofthediffuserusingthespeciedprocedures.
Thisdoesnotimplyanyproblems,butratherrecoversthediffuserfunctions.
•
Theenginesoundandhydraulicoperationsoundchangeduringdiffuserregeneration.
Itdoesnotimplyanyproblems.
•
Whitesmokemaybeproducedtemporarilyfromthetailpipeasparticulatemattercombustionprogressesduring
diffuserregeneration.
Itdoesnotimplyanyproblems.
Donotexecuteregenerationinapoorlyventilatedroom.
•
Thesmellofexhaustgasfromthetailpipeisdifferentfromthatofanormaldieselcar.
Thedifferentsmellistheeffectoftheexhaustgaspuricationfunction.
•
Whitesmokeisproducediftheengineisstartedwhentheambienttemperatureislowandtheengineiscool.The
whitesmokedoesnotimplyanyproblems.
•
Thetimeuntilcompletionofregenerationdifferswiththeambienttemperature.
•
Donotleavethemachineunattendedduringregeneration.
WARNING
Whitesmokemaybeproducedduringcombustion.DonotregeneratetheDPDinabadlyventilatedroom.
CAUTION
TheDPD,exhaustpipe,andtailpipearehotwhiletheengineisrunning,duringregenerationandcombustion,and
immediatelyafterstartingoperation.Exhaustgasisalsohot.
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