Remove/install NOx sensor at exhaust aftertreatment unit exit

AR49.20-B-1040EVI

Remove/install NOx sensor at exhaust aftertreatment unit exit

16.10.2018

Engine

936.9 in model 382.155/189

with code MS6 (Euro VI)

1

Control unit

2

Control unit plug connector

3

Sensor cable

4

Sensor plug connector

5

Bolt

6

Bolt

7

Support

17B08

NOx sensor of the exhaust gas aftertreatment unit



Remove

1

Disconnect the control unit plug connector (2) from the control unit (1)

2

Unscrew the bolt (6) and remove the support (7) along with the control unit (1)


The control unit (1) and the sensor plug connector (4) must be removed together, before removing the sensor cable (3),
otherwise, the sensor cable (3) can be twisted and consequently, damaged.

 The control unit (1) and the sensor plug (4) must be removed together.

3

Remove the sensor plug connector (4)


Fit the tool only in the hexagon,
because the component is too brittle and can be easily damaged.

 Socket

*111589030900



Install

4

Apply high temperature grease on the sensor plug connector thread (4)

Paste, hot lubrication 1 kg, DBL 6879.20

*BR00.45-Z-1005-06A

5

Install the sensor plug connector (4)


The sensor plug connector (4) must be installed firstly,
otherwise, the sensor cable (3) can be twisted and consequently damaged when the control unit (1) is installed.


Fit the tool only in the hexagon,
because the component is too brittle and can be easily damaged.

 NOx sensor output from exhaust gas aftertreatment unit

*BA49.10-B-1007-02EVI

 Socket

*111589030900

6

Connect the control unit plug connector (2) in the control unit (1)

7

Place the control unit (1) on the support (7) and tighten the bolts (5)

 NOx sensor control unit on holder

*BA49.10-B-1008-02EVI

8

Put the support (7) and the exhaust gas control unit (1) after the treatment system ans tighten the bolt (6)

 NOx sensor control unit holder on exhaust gas aftertreatment system

*BA49.10-B-1009-02EVI

 Exhaust system

Number

Designation

ENGINE 936.9

BA49.10-B-1007-02EVI

NOx sensor output from exhaust gas aftertreatment unit

Nm

50

 Exhaust system

Number

Designation

ENGINE 936.9

BA49.10-B-1008-02EVI

NOx sensor control unit on holder

Nm

12

 Exhaust system

Number

Designation

ENGINE 936.9

BA49.10-B-1009-02EVI

NOx sensor control unit holder on exhaust gas aftertreatment system

Nm

12

Repair materials

Number

Designation

Order number

BR00.45-Z-1005-06A

Paste, hot lubrication 1 kg, DBL 6879.20

A 000 989 76 51