Case 621G - Page 141

3-CONTROLSANDINSTRUMENTS
DIESELEXHAUSTFLUID(DEF)/ADBLUE®instrumentationwarning
YourmachineisequippedwithawarningsystemtoinformtheoperatoroftheDEF/ADBLUE®level,systemmalfunc-
tionsandenginepowerlossthatmayresultfromtheSCRsystemforreducingexhaustemissions.
OPERATING
CAPACITY
NORMALNORMALREDUCED
(stage1)
LIMITED*
(stage2)
LIMITED*
(nalstage)
OPERATION
Noenginederate
Graduallyderates
toLIMITED*
Enginespeedand
torquegradually
deratetolowidle
buttheenginewill
notshutdown
Enginespeed
andtorqueare
deratedtolow
idle,rendering
unitmovablebut
theenginewillnot
shutdown
%DEF/ADBLUE®
intank
100%-10%10%5%0%0%
Masterindicators
Noashesor
alarm
DEF/ADBLUE®
gaugeashes
DEF/ADBLUE®
gaugeashes
withaudiblealarm
DEF/ADBLUE®gaugeashes
withaudiblealarm.Relling
DEF/ADBLUE®uidwillrestore
machinetofulloperatingcapacity.
*PERFORMANCEREDUCTIONAREGRADUAL
•
Approximately95minfromstage1tonalstage
•
Timemayvarydependingontheworkingcondition
•
Nolimittonumberofre-starts
3-81