Remove/install SCR AdBlue combination sensor for fill level and temperature withintegral AdBlue heat duct

AR14.40-D-2044S

Remove/install SCR AdBlue combination sensor for fill level and temperature withintegral AdBlue heat duct

28.06.2019

Engine

642 in model 906

with code MH1 (Low-emission engine EPA 10/CARB)

Engine

642 in model 906

with code MH3 (Low-emission engine EPA 13/CARB)

Show on model 906.611

1

AdBlue® tank

2

Electrical connector

3

Electrical wiring harness

4

Bracket

5

Union nut

6

Breather connection with bleed hose

7

Cover

8

Vent valve

9

Vent hose

Show on model 906.611

1

AdBlue® tank

3

Electrical wiring harness

5

Union nut

7

Cover

10

Claw wrench

11

Rubber seal

12

Takeoff tank

Pfeil A

Marking

Pfeil B

Marking

Pfeil C

Marking

 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 the AdBlue® tank (1)

Engine 642 in model 906.6/7
with code MH1 (Low-emission engine EPA 10/CARB)
except code KP2 (AdBlue tank, 12 l, in the engine compartment)
Engine 642 in model 906.6/7
with code MH3 (Low-emission engine EPA 13/CARB)
except code KP2 (AdBlue tank, 12 l, in the engine compartment)

AR14.40-D-2014S

Engine 642 in model 906
with code KP2 (AdBlue tank, 12 l, in the engine compartment)
with code MH1 (Low-emission engine EPA 10/CARB)
Engine 642 in model 906
with code KP2 (AdBlue tank, 12 l, in the engine compartment)
with code MH3 (Low-emission engine EPA 13/CARB)

AR14.40-D-2014SB

Engine 642 in model 906.1/2
with code MH1 (Low-emission engine EPA 10/CARB)
except code KP2 (AdBlue tank, 12 l, in the engine compartment)
Engine 642 in model 906.1/2
with code MH3 (Low-emission engine EPA 13/CARB)
except code KP2 (AdBlue tank, 12 l, in the engine compartment)

AR14.40-D-2014SA

2

Remove AdBlue pump on pump module of exhaust aftertreatment system

Engine 642 in model 906
with code KP2 (AdBlue tank, 12 l, in the engine compartment)
with code MH1 (Low-emission engine EPA 10/CARB)
Engine 642 in model 906
with code KP2 (AdBlue tank, 12 l, in the engine compartment)
with code MH3 (Low-emission engine EPA 13/CARB)

AR14.40-D-2021SA

Engine 642 in model 906
with code MH1 (Low-emission engine EPA 10/CARB)
except code KP2 (AdBlue tank, 12 l, in the engine compartment)
Engine 642 in model 906
with code MH3 (Low-emission engine EPA 13/CARB)
except code KP2 (AdBlue tank, 12 l, in the engine compartment)

AR14.40-D-2021S

3

Disconnect electrical connection (2)

Engine 642 in model 906.6/7
with code MH1 (Low-emission engine EPA 10/CARB)
except code KP2 (AdBlue tank, 12 l, in the engine compartment)
Engine 642 in model 906.6/7
with code MH3 (Low-emission engine EPA 13/CARB)
except code KP2 (AdBlue tank, 12 l, in the engine compartment)

4

Create access to electrical wiring harness (3)

5

Unclip bleed valve (8) and expose bleed hose (9)

6

Unclip the bracket (4) at the union nut (5) and take off

7

Remove the breather connection with bleed hose (6) on cover (7)

8

Unscrew union nut (5)

 Lead electrical wiring harness (3) through the cutout on  claw wrench (10) and carry along for unfastening the union nut (5).

 Union nut, delivery module to AdBlue® tank

*BA14.40-N-1002-02G

 Prong wrench

*164589010700

9

Lift the cover (7) with rubber seal (11) and fold over

 Installation: First insert rubber seal (11) in the AdBlue® container (1). In doing so align marking (arrow A) on cover (7) to marking (arrow B) on AdBlue® tank (1).

10

Turn the takeoff tank (12) counterclockwise

 Installation: Turn the takeoff tank (12) far enough in a clockwise direction until the takeoff tank (12) has latched completely into position..

11

Remove the takeoff tank (12) from AdBlue® container (1)

 Installation: Align marking (arrow C) on takeoff tank (12) between both markings (arrow B) on AdBlue® tank (1).

12

Install in the reverse order

 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

13

Perform an engine test run and check connections on AdBlue® tank (1) for leaktightness

 Exhaust aftertreatment, BlueTec

Number

Designation

Engine 642, 651 in model 906

BA14.40-N-1002-02G

Union nut, delivery module to AdBlue® tank

Nm

85