Case 2050M - Selective Catalytic Reduction System (SCR) Tank Filter

7-MAINTENANCE
SelectiveCatalyticReductionSystem(SCR)tanklter
CleantheSCRtanklterasrequired.
Prioroperation:
Keepallunauthorizedpersonnelclearofthearea.Parkthemachineonlevelground,inneutralwiththeparking
brakeapplied,andtheattachmentloweredtotheground.Makesurethatallresidualpressureisrelievedfromcircuits
beforebeginningmaintenance.
1.TheDEFtankmeshlterislocatedwithintheneck
oftheDEFlltube.OpentheDEFllcompartment.
CleantheareatobeservicedinordertopreventDEF
tankcontamination.
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2.RemovetheDEFcap.Removethehexscrewswithan
Allenwrench.
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3.RemovethetanklterassemblyandtheO-ringfrom
theDEFtankneck.Rinsethetanklterwithwater
4.ReinstalltheO-ringontheDEFtankneckwiththera-
diussurfacefacingup.
5.Reinstallthetanklterassemblysecuringitwiththe
hexscrews.
6.Ifthetanklterhasbeendamaged,replacethetank
lter.Toreplace,separatethetanklterandtanew
tankltertotheassembly.
7.Insertassemblyintoorice.Attachtheassemblyusing
withthehexscrews.
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