Remove/install pump on AdBlue(R) tank

AR49.20-S-2004EA

Remove/install pump on AdBlue(R) tank

23.11.2018

Engine

654.9 in model 447

1

Pump

2

Bolts

 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

Topical note

Notes on use, material properties and handling of NOx reducing agent

AH49.20-N-0002-01A

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-P-5000-01A



Remove

1

Empty AdBlue® container.

AR49.20-S-2015EA

2

Remove cap of the AdBlue® container.

AR49.20-S-2016EA

3

Unscrew bolts (2).

 Pay attention to different screw lengths (2).

4

Remove pump (1).



Install

5

Install new pump (1).


Ensure that the printed circuit board of the pump (1) is seated correctly in the slot.
Malfunctions and damage will otherwise occur.

6

Screw in new screws (2).

 Pay attention to different screw lengths (2).

 Screw, metering pump to AdBlue® tank

*BA49.20-N-1004-03EA

7

Install cap of the AdBlue® container.

AR49.20-S-2016EA

8

Fill AdBlue® tank.

AR49.20-S-2015EA



Check

 Warning

Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.

Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

9

Perform engine test run.

 Exhaust aftertreatment

Number

Designation

Engine 654.9 in model 447

BA49.20-N-1004-03EA

Screw, metering pump to AdBlue® tank

Nm

2