Case 921G - Page 44

Engine-Engineandcrankcase
Engine-Remove
NOTE:emissionssensorsmountedintheexhauststreamaresensitivetoextremevibrations.Useoftoolsthatgen-
erateextremevibrations,suchasimpactwrenchesandhammers,willresultindamagetoemissionsensors.Avoid
usingthesetoolsduringanyserviceprocedureincloseproximityofemissionsensors.Iftheuseofthesetoolscannot
beavoided,removethesensorsusingextremecautionpriortoperforminganyserviceprocedure.
1.Parkthemachineonalevelsurfaceandlowerthe
buckettotheground.Putthearticulationlockin
LOCKEDpositionandstoptheengine.
LEIL16WHL0048AB1
2.Actuatethebrakepedalseveraltimestodischargethe
brakeaccumulators.
LEIL15WHL0564AA2
3.PutthekeyswitchinONposition.
PutthecontrolswitchinONposition.
Movethecontrollever(s)backandforthatleast30
timestoreleaseanypressurefromthehydrauliccircuit.
PutthekeyswitchinOFFposition.
LEIL16WHL1286AA3
51428216_EN14/12/2017
10.1[10.001]/7