Remove/install SCR AdBlue pressure sensor · ar1440w2003b · Mercedes-Benz WIS

AR14.40-W-2003B

Remove/install SCR AdBlue pressure sensor

22.3.11

ENGINES 457.9 in MODEL 375.4, 940, 942, 943, 944 with CODE (MS4) BlueTec 4

ENGINES 457.9 in MODEL 375.4, 940, 942, 943, 944 with CODE (MS5) BlueTec 5

W14.40-1505-08

1 Metering device

2 O-ring

B129 SCR AdBlue pressure sensor

3 Electrical connector

 	Remove/install
Danger!	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
1	Switch off ignition
2	Open maintenance flap
 Danger!	Risk of injury caused by body parts being pinched or crushed as cab is tilted	Ensure that no one is within the tilting range of the cab as it is being tilted. Always tilt the cab all the way to the end position and secure with the safety strut.	AS60.80-Z-0001-01A
3	Tilt cab
	Notes on tilting the cab		AH60.80-N-0003-01A
4	Disconnect electrical connector (3) at SCR AdBlue pressure sensor (B129)
5	Remove SCR AdBlue pressure sensor (B129)		*BA14.40-N-1006-02B
6	Install in the reverse order

 Exhaust aftertreatment, Blue Tec

Number	Designation		Engine 457.9 with code MS4 or code MS5


BA14.40-N-1006-02B	SCR AdBlue pressure sensor to metering device	Nm	30

ah1440n000101a Notes on use, material properties and handling of AdBlue®
ah6080n000301a Notes on tilting the cab
as1440z000101a 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
as6080z000101a Risk of injury caused by body parts being pinched or crushed as cab is tilted