Removing SCR modules
1.
Undo V-band clamp (2) while holding cover
(1).
Note:
Weight of cover: approx. 4 kg.
2.
Remove cover (1) with seal (3).
Note:
Risk of crushing! Weight of SCR module: ap-
prox. 26 kg.
3.
Carefully pull SCR module (4) out of retaining
pipe (7) by gently jiggling.
4.
Dispose of SCR module (4), seals (3, 5, 6)
and V-band clamp (2).
Installing SCR modules
1.
Check new SCR modules for damage.
Note:
Do not allow cleaner to come into contact
with the surface of the catalytic converter.
2.
Clean flange bottom (2) of SCR module (6)
with a lint-free cloth and (Cleaner (Loctite
7061)) to ensure that it is free from grease.
Note:
(Adhesive (Terokal 2444)) Apply to the seal
only!
3.
Glue seal (1) onto flange bottom (2).
Note:
Seal (7) is already glued at the factory.
4.
If seal (7) becomes loose, glue it manually on-
to the contoured bearing/sealing area by
wrapping it in preloaded state in two rows
around the perimeter.
Result:
The joint of the two ends of the seal (ar-
rowed) may be arranged at any position on
the perimeter.
5.
Clean metal profile (4) and glue seals (3, 5)
onto both sides.
6.
Fit seal assembly (3, 4, 5) over SCR module
(6) and glue optionally onto rear side of
flange bottom (2).
196 | Exhaust Gas Aftertreatment | MS150123/01E 2017-05
TIM-ID: 0000071397 - 003
