Man D2862 LE221 - Page 144

COMMONRAILSYSTEM
(13)Fuellinefuellter–high-pressurepump
bottom
(14)Fuelreturnlineengineend
(14)Fuelreturnlinelterend
(14)Fuellinefuellter–high-pressurepumps
(14)Fuellinehandpump–gearpumps
Importantinformation
WARNING
Thecommonrailsystemcanbedamaged
•Allworkoncomponentsofthecommonrailsystemmustbeperformedbyspeciallytrained
personnelonly
•Theenginemustbestationaryforatleast5minutesbeforecommencingworkinordertoenable
depressurisationintherail,ordepressurisationmustbecheckedbymeansofMAN-cats(desired
value0)
•Ensureabsolutecleanlinessinallareaswhencarryingoutallwork.
•Beforeworkingonthecleansideofthefuelsystem,cleantheengineandtheenginecompartment
(e.g.steamcleaner).Thefuelsystemmustbesealedduringthisprocess.
•Avoidanymoisturewhatsoever.
•Donotreuseplugsforthehigh-pressurelines,rail,injectorsorfuellines,eveniftheyhaveonly
beenusedonce
•Alwaysdetachonlyonefuellineandthenimmediatelyplugthefuellineconnectionsand
componentconnections
WARNING
Residualfuelmayrunoutduringremoval.Dangerofenvironmentalpollution.
•Useasuitablefuelcollectingcontainer
WARNING
Componentdamageduetoincorrectlytightenedscrew/boltconnections
•Ifimpactwrenchesareused,thesemayonlybeusedforpretighteningtomax.50%ofthe
speciedtighteningtorque
•Finaltighteningmustalwaysbeperformedmanuallyusingatorquewrench
Specialtools
[46]
Endplug(GPN330L18)
•Pluggingthefuellines
81.96002-0556
[47] Endplug
•Pluggingthefuellines
81.96002-0519
[48] Endplug
•Pluggingthefuellines
81.96002-0521
142AE63stedition