7-MAINTENANCE
SCRexhaustpipingconnections
WARNING
Hotsurfacepossible!
Waitforallcomponentstocoolbeforeperforminganyoperation.
Failuretocomplycouldresultindeathorseriousinjury.
W0251A
1.Checkthecomponents,andthepipingconnectionsof
theSelectiveCatalyticReduction(SCR)exhausttreat-
mentsystem.Tightenanylooseconnections.
AccesstheSCRsystembyopeningtheenginehood.
Thesystemismountedabovetheengine.
RAIL17SP00671AA1
7-65