Case 521G - Engine Removal Procedure

Engine-Engineandcrankcase
Engine-Remove
NOTE:emissionssensorsmountedintheexhauststreamaresensitivetoextremevibrations.Useoftoolsthatgen-
erateextremevibrations,suchasimpactwrenchesandhammers,willresultindamagetoemissionsensors.Avoid
usingthesetoolsduringanyserviceprocedureincloseproximityofemissionsensors.Iftheuseofthesetoolscannot
beavoided,removethesensorsusingextremecautionpriortoperforminganyserviceprocedure.
1.Parkthemachineonalevelsurfaceandlowerthe
buckettotheground.Putthearticulationlockinthe
LOCKEDposition.
RAPH12WEL1412AA1
2.TurntheengineOFF.Actuatethebrakepedalseveral
timestodischargethebrakeaccumulators.
LEIL15WHL0564AA2
3.TurnthekeyswitchtotheONposition.
Movethecontrollever(s)backandforthminimally30
timestoreleasepressurefromthehydrauliccircuit.
PutthekeyswitchtotheOFFposition.
LEIL16WHL1286AA3
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