Remove/install injection line for exhaust aftertreatment system

AR14.40-B-2001A

Remove/install injection line for exhaust aftertreatment system

23.10.2019

Engine

924.9 in model 368, 384.0/2, 685.282/284/289/290, 979.2

Engine

926.9 in model 368, 382.17/18, 384.0

Represented on vehicle 382.177

1

Metering unit

2

Injection pipe

3

Injector nozzle

 

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

1

Open the access cover to the engine compartment

Notes on use, material properties and handling of AdBlue®

AH14.40-N-0001-01A

 Access to carry out maintenance and repair work, varies with body type/make.

 Refer to the body makers instructions.

2

Remove the injection line (2)

 Seal the orifices with an appropriate plug.

 Installation: replace the injection line (2) after each removal.

 .Box nut of the injector pipe on injector block

*BA14.40-B-1003-02B

 .Box nut of the injection on dosage unit

*BA14.40-B-1004-02B

3

Install in reverse order

 Exhaust gas after-treatment

Number

Designation

Engine 924.9, 926.9 except Liquid Only

BA14.40-B-1003-02B

Box nut of the injector pipe on injector block

Nm

14

 Exhaust gas after-treatment

Number

Designation

Engine 924.9, 926.9 except Liquid Only

BA14.40-B-1004-02B

Box nut of the injection on dosage unit

Nm

14