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Note:
It is sufficient to use one alignment jig, how-
ever, using four devices to align all mounts at
the same time makes the alignment proce-
dure easier.
4.
Insert alignment jig (2) in this retainer (4) and
in mount (3). If necessary, move or turn the
mount to the correct position to ensure that
it is properly seated in the retainer.
Note:
The ship's foundation must be matched to
the specified positions of the SCR module
mounts to compensate for heat and manufac-
turing tolerances in the exhaust gas after-
treatment system.
5.
Match the position of the ship's foundation to
the position of the SCR system mounts.
6.
Install foundation screws (arrow) and lower
SCR catalytic converter until mount fully
rests on foundation.
7.
Remove alignment jig (2).
8.
Loosen connecting screws lightly if alignment
jig is jamming.
Note:
Recommended: screw M12, 10.9, ISO4017; washer DIN 433-13-400HV; thread-meshing length >3xD
9.
Tighten foundation screws (arrowed, 6 pcs.) to specified tightening torque using a torque wrench.
Name
Size
Type
Lubricant
Value/Standard
Screw
M12
Tightening torque
100 Nm
Note:
Already tightened to nominal torque on delivery.
10.
Check tightening torque of screws (1) as necessary.
Name
Size
Type
Lubricant
Value/Standard
Screw
M20x90
Tightening torque
510 Nm
11.
Repeat this procedure for the other mounts.
192 | Exhaust Gas Aftertreatment | MS150123/01E 2017-05
TIM-ID: 0000073813 - 003