Remove/install injection line for exhaust aftertreatment system

AR14.40-P-2001LFD

Remove/install injection line for exhaust aftertreatment system

28.06.2019

Engine

642 in model 222

with code U77 (Diesel Emission control BLUETEC (SCR))

1

Retaining clips

2

AdBlue® line

3

Opening nose

4

Connection

A103/2

AdBlue® delivery module

 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

 

Remove/install

1

Remove right underfloor paneling

AR61.30-P-1001LF

2

Remove right rear complete wheel

AR40.10-P-1102A

3

Empty AdBlue® container

AR14.40-P-2014-02LF



000 588 01 71 00 Extraction pump

WS14.00-P-0013B

 AdBlue® tank

*BF14.40-P-1001-01A

4

Disconnect AdBlue® (2) line on AdBlue® delivery module (A103/2)

AR14.40-P-2021LF


Close off openings immediately; dirt must not be allowed to find its way into the emission control system.
Damage and malfunctions can occur otherwise.

5

Open retaining clamps (1) and remove AdBlue® line (2)

 The AdBlue® line (2) is fastened with retaining clamps (1) on undercarriage.

 If necessary unfasten right heat shield between AdBlue® metering valve and undercarriage wide enough until the retaining clamps (1) for the AdBlue® line (2) is accessible.

 Open retaining clamps (1) from below. To do this actuate the opening nose (3).

6

Detach AdBlue® line (2) at connection (4) of the AdBlue® metering valve

Engine 642.861 in model 222
with code U77 (Diesel Emission control BLUETEC (SCR))

AR14.40-P-2000LF


Close off openings immediately; dirt must not be allowed to find its way into the emission control system.
Damage and malfunctions can occur otherwise.

7

Remove AdBlue® line (2)

 Ensure that the AdBlue® line (2) is correctly routed.

8

Install in the reverse order

 Filling capacity for BlueTEC (SCR) diesel exhaust treatment

Number

Designation

Model 222 with engine 642

BF14.40-P-1001-01A

AdBlue® tank

Initial fill capacity

Liter

26

Filling capacity - service filling

Liter

25,5

Sheet

BB00.40-P-0352-01A