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4.
Insert dosing unit with insulating molding (4)
into opening in insulation cover.
5.
Secure dosing unit with screw (2).
6.
Then insert screw (3) and finally screw (1) at
the top.
7.
Coat screws (3) with assembly compound.
8.
Tighten screws (1, 2, 3) to specified torque using a torque wrench.
Name
Size
Type
Lubricant
Value/Standard
Screw
M6x20
Tightening torque
10 Nm ±0.85 Nm
9.
Install connector (1) on dosing unit.
10.
Remove transport closures from the urea sol-
ution connections.
11.
Install urea solution supply line (3) and return
line (2).
12.
Open supply and return line from pre-feed
module to tank before starting engine.
182 | Exhaust Gas Aftertreatment | MS150123/01E 2017-05
TIM-ID: 0000071357 - 002