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ROPA Maus 5 - Exchanging the Adblue Filter Insert

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Maintenance and Service
Diesel engine
325 / 476
7.1.6.1 Exchanging the AdBlue
®
filter insert
4
(4) Filter housing AdBlue® pump
module
5
6
4
(5) Exchanging AdBlue
®
filter insert
(6) Frost protection membrane
WARNUNG
Danger from AdBlue®!
Burning and scalding hazard when working on the hot exhaust system and the
AdBlue® system. Hazard of burns after skin or eye contact with AdBlue® liquid. Haz-
ard of poisoning by inhalation of AdBlue® vapours or swallowing AdBlue® liquid.
Only start work on the AdBlue® system when the system has cooled down and the
pressure in the system has been reduced.
Fill AdBlue® in suitable vessels only and use suitable lines only.
Exchanging AdBlue® filter insert:
Exchange the AdBlue® filter insert at every second engine oil change.
Place a suitable receptacle under the AdBlue® pump and screw out the filter hous-
ing (4). Remove the frost protection membrane (6) and the filter insert (5) from the
AdBlue® pump module.
The filter insert should be disposed of according to the local regulations.
Use a new AdBlue® filter insert (ROPA item no. 303195).
ATTENTION
Use only the supplied lubricant spray from Mercedes-Benz for greasing. In any
case, ensure that you use this lubricant very sparingly as otherwise damage to the
AdBlue® system can occur.
Put the new filter insert (5) in the AdBlue ® pump module.
Put the frost protection membrane (6) over the filter insert.
Spray the sealing bead on the frost protection membrane and the thread at the
AdBlue® pump module thinly with the provided lubricant.
Screw the filter housing (4) again on and tighten it with a torque of 80 Nm.
The AdBlue® system bleeds itself automatically, manual bleeding is therefore not
necessary.

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