Retrofit AdBlue(R) prefilter

AN49.20-B-0001-01A

Retrofit AdBlue(R) prefilter

 Warning

Risk of burn injuries and scalding when working on AdBlue(R) lines and the component parts attached to them. Risk of injury to skin and eyes when handling AdBlue(R). Risk of poisoning caused by swallowing AdBlue(R)

Pour AdBlue® only into suitable containers. Wait until the pressure is released before starting any work on the exhaust aftertreatment system.

AS49.20-Z-0002-01A

Engine

all (BUS, TRUCK)

with Liquid Only

1

Reservoir

6

Prefilter output

2

Prefilter

7

New tube

3

AdBlue pump (Liquid Only)

A

AdBlue return line

4

Metering unit

B

AdBlue suction line

5

Prefilter input

C

AdBlue pressure line

1

Disconnect the AdBlue outlet line from the reservoir (1) to the AdBlue pump (3)

 Remove only the AdBlue outlet line from the reservoir (1).

To avoid soil contamination:



Use a collecting tray.

2

connect the new tube (7) to the reservoir (1)

 Note a click when locking the new tube (7).

3

Insert the other end of the new tube into the prefilter input (5)

 Note a click when locking the new tube into the prefilter input (5).

4

Insert the connection that was in the reservoir into the prefilter output (6)

 Note a click when locking the new tube into the prefilter output (6).

5

Secure the entire AdBlue circuit

To prevent filter and pipe vibration:



Use clamps throughout the circuit.