Case CX490D - Fuel System Bleeding

6-MAINTENANCE
Fuelsystembleeding
WARNING
Pressurizedsystem!
Onlyusethebleedscrewtobleedairfromthefuelsystem.DONOTloosenthefuelorinjectorlines
tobleedair.Injuryordamagecanoccur.Fuelorinjectorlinesareunderveryhighpressure.
Failuretocomplycouldresultindeathorseriousinjury.
W0285A
WARNING
Firehazard!
Leakingfuelcouldcauseare.DONOTperformthebleedprocedurewhiletheengineishot.
Failuretocomplycouldresultindeathorseriousinjury.
W1119A
Airgetstrappedinthefuelsystemaftermaintenanceorrepair.
Also,airentersthefuelsystemwhentankhasbecomecompletelyempty.
Moreover,aireventuallygetsdissolvedinthefuelafterthemachinehasbeenstoredforaquitelongtime.
Theairmustbethusbledawayfromthefuelsysteminordertograntaproperfuelsupply,andtoavoidsevere
damagestothehighpressureinjectioncomponents.
Tobleedairfromthefuelsystemproceedasfollows:
1.Openthefuelcutvalve.
SMIL15CEXZZ54AA1
2.Closetheenginevalve(E).
3.Openthebleedingvalve(B).
SMIL15CEXZZ55AA2
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