Remove/install metering device of exhaust gas aftertreatment system

AR49.20-B-2002SF

Remove/install metering device of exhaust gas aftertreatment system

28.03.2018

Engine

460.9 in model 963, 964

with code M5S (Engine version Euro V, export)

1

Intake connection of AdBlue

6

AdBlue / Air mixture outlet connection

B129

AdBlue pressure sensor

2

Intake of AdBlue

7

Metering unit

B130

AdBlue temperature sensor

3

Compressed air inlet

8

Compressed air piping

Y109

AdBlue metering unit

4

Sleeves

9

Compressed air connection

5

AdBlue / Air mixture outlet

B128

Compressed air pressure sensor

 

Remove/install

 Warning

Risk of burn injuries and scalding when working at AdBlue lines and the components attached to them. Risk of injury to skin and eyes when handling AdBlue. Risk of poisoning caused by swallowing AdBlue

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

AS14.40-Z-0001-01A

Notes on use, material properties and handling of AdBlue®

AH14.40-N-0001-01A

1

Remove injection pipe

AR49.20-B-1061SF

2

Turn off ignition

3

Detach the electric connectors at the metering unit (7)

 Installation:
Pay attention for the wire harness is fixed with plastic clips, so that the electrical connection rubber sleeves are folded downwards in relation to the metering unit (7) in order to prevent ingress of water,
otherwise, damages can occur.

4

Remove the compressed air pipe (8) at the metering unit (7)

 Close the bores using proper plugs.

 Installation: Check the compressed air connection (9) and the compressed air piping (8) for foreign bodies, dirt or damages.

 Socket connection system of - "SCHÄFER SDF" compressed air in metallic material

*BA00.18-B-1003-01A

5

Disconnect the AdBlue supply hose AdBlue from connection (1) and move it to the side

 Installation: Check AdBlue supply hose for foreign bodies, dirt or damages.

6

Remove fitting (1) from metering unit (7)

 Only when metering unit (7) is replaced.

 AdBlue piping filling nozzle in the dosing device

*BA49.20-B-1034-03SF

7

Remove the metering unit (7) with the bushings (4)

 Dosage unit on support

*BA49.20-B-1005-03SF

Check the bushings (4), if necessary, replace



Replace.

 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

8

Install on the reverse order

9

Starting engine

10

Check the leak-tightness of the metering unit (7) with the engine running

 Compressed air piping

Number

Designation

Model all (BUS, TRUCK)

BA00.18-B-1003-01A

Socket connection system of - "SCHÄFER SDF" compressed air in metallic material

M10

Nm

5

 Exhaust gas after-treatment

Number

Designation

Engine 460.9 in Type 963, 964 with M5S

BA49.20-B-1005-03SF

Dosage unit on support

Nm

25

 Exhaust gas after-treatment

Number

Designation

Engine 460.9 in Type 963, 964 with M5S

BA49.20-B-1034-03SF

AdBlue piping filling nozzle in the dosing device

Nm

22