Remove/install injection nozzle for exhaust aftertreatment system

AR14.40-S-2000PD

Remove/install injection nozzle for exhaust aftertreatment system

28.08.2019

Model

470 with engine 642

Model

470 with engine 699

except code MT2 (Emissions class Euro 6d-TEMP N1 GR.III/N2)

1

Electrical connector

2

Injection nozzle

3

Clip

4

Seal

5

Protective cover

6

Line

 Danger

Risk of death caused by vehicle slipping or toppling off of the lifting platform.

Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer.

AS00.00-Z-0010-01A

 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

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-P-5000-01A

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

Notes on use, material properties and handling of AdBlue®

AH14.40-N-0001-01A

 

Remove/install

1

Raise vehicle.

AR00.60-S-1000-04P

Topical note

Special instructions for lifting and supporting vehicle

AH00.60-N-0100-01P

2

Disconnect electrical connector (1).

3

Remove protective cover (5).

4

Remove line (6) from injection nozzle (2).

 Plug openings.

 Record plug

*129589009100

5

Remove the clamp (3).

 Installation: Replace clamp (3).

 Model 470 with engine 642Clamp, injection nozzle for NOx reducing agent to SCR catalytic converter

*BA49.20-N-1006-03P

 Model 470 with engine 699
except code MT2 (Emissions class Euro 6d-TEMP N1 GR.III/N2)Clamp, injection nozzle for NOx reducing agent to SCR catalytic converter

*BA14.40-N-1001-02P

6

Remove injection nozzle (2).

 Installation:
Ensure correct positioning of injection nozzle (2). The injection nozzle (2) must engage in the cutouts of the SCR catalytic converter.
Otherwise damage may occur to the injection nozzle (2) or seal (4) and result in leakage.

 Installation: Check seal (4) for damage.

If damage is present,



Install new seal (4).

7

Install in the reverse order.

8

Read out and delete fault memory.

If a new injection nozzle (2) is installed.



AD00.00-S-2000-06P



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 and check injection nozzle (2) for leaks.

 Visual inspection only.

 Exhaust aftertreatment

Number

Designation

Model 470 with engine 699

BA14.40-N-1001-02P

Clamp, injection nozzle for NOx reducing agent to SCR catalytic converter

Nm

5

 Exhaust aftertreatment

Number

Designation

Engine 642 in model 470

BA49.20-N-1006-03P

Clamp, injection nozzle for NOx reducing agent to SCR catalytic converter

Nm

5