Remove/install internal pneumatic pressure reduction valve of pump module

AR49.20-G-2048CH

Remove/install internal pneumatic pressure reduction valve of pump module

10.08.2018

Engine

457.9, 458.9, 541.9, 542.9, 941.9, 942.9 in model 000.001

with BlueTec

1

Pump module

12

Pneumatic pressure reduction valve

 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

Note on calculation of tightening torque when using insertion or socket tools with various effective lengths

AH00.00-P-0015-01CW

Notes on use, material properties and handling of AdBlue®

AH14.40-N-0001-01A

 

Remove/install

1

Remove the pneumatic pressure reduction valve (12) for the pump module (1).

AR49.20-G-2048-01CH



End cap for AdBlue® intake duct and AdBlue® feed line

WF58.50-W-1440-05A



End cap for AdBlue® return line

WF58.50-W-1440-06A



End cap for AdBlue® feed connection on the pump module and AdBlue® feed and return connection on the AdBlue® container

WF58.50-W-1440-07A



Pump module altered

BT14.40-W-0001-01A

 Compressed air connection system SCHÄFER "SDF" in metallic material

*BA00.18-N-1003-01C

 Screw-in bushing for the internal pressure relief valve on the pump module

*BA14.40-N-1054-02H

ABS sensor grease

*BR00.45-Z-1019-06A

2

Install in the reverse order.

 Compressed air lines

Number

Designation

Model 000.001

BA00.18-N-1003-01C

Compressed air connection system SCHÄFER "SDF" in metallic material

M101

Nm

5

 Exhaust aftertreatment, Blue Tec

Number

Designation

Engine 457.9, 458.9

engine 541.9, 941.9

BA14.40-N-1054-02H

Screw-in bushing for the internal pressure relief valve on the pump module

Nm

10

10

 Exhaust aftertreatment, Blue Tec

Number

Designation

Engine 542.9, 942.9

BA14.40-N-1054-02H

Screw-in bushing for the internal pressure relief valve on the pump module

Nm

10

Repair materials

Number

Designation

Order number

BR00.45-Z-1019-06A

ABS sensor grease

A 000 989 62 51 10