Convert pneumatic pressure reducing valve of pump module

SM14.40-W-0010A

Convert pneumatic pressure reducing valve of pump module

11.04.2013

ENGINE

457.9, 541.9, 542.9, 902.9, 926.9

with CODE MS4 (BlueTec 4)

ENGINE

457.9, 541.9, 542.9, 902.9, 926.9

with CODE MS5 (BlueTec 5)

ENGINE

900.9, 902.9, 924.9, 925.9, 926.9

with CODE MS4 (BlueTec 4)

ENGINE

900.9, 902.9, 924.9, 925.9, 926.9

with CODE MS5 (BlueTec 5)

Modification notes

07.03.2013

Document revised completely.

Operation no. of the operation texts or standard texts and flat rates

Category

Op. no.

Operation text

Time

Acc. no.

Code

N

148018

CONVERT PNEUMATIC PRESSURE REDUCING VALVE OF PUMP MODULE (AFTER CHECK)

Shown here: Model 930.0, with normal installation position for pump module

1

Pump module

2

External pneumatic pressure reducing valve

3

AdBlue® return connection

4

Screw plug (for pneumatic connection)

5

Scuff protection

Shown here: Model 930.3, with raised installation position for pump module

1

Pump module

2

External pneumatic pressure reducing valve

3

AdBlue® return connection

4

Screw plug (for pneumatic connection)

Shows model 970

1

Pump module

2

External pneumatic pressure reducing valve

3

AdBlue® return connection

4

Screw plug (for pneumatic connection)

5

Scuff protection

2

External pneumatic pressure reducing valve

6

Banjo union

7

AdBlue® return connection

8

Screw-in bushing

9

Sleeve

10

Hexagon nut

A

Shoulder

 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



Install



Overview for selecting the suitable repair solution for defective pressure relief valves for the different variants of pump modules

AH14.40-W-0004-01A

1

Install external pneumatic pressure reduction valve (2) onto pump module (1)

Model 375.1, 970, 972, 974, 975, 976

SM14.40-W-0010-01C

Model 375.3/4., 930, 932, 933, 934, 940, 942, 943, 944, 950, 952, 953, 954

SM14.40-W-0010-01A



Sealing piece for AdBlue intake line and AdBlue feed line

WF58.50-W-1440-05A



Sealing piece for AdBlue return line

WF58.50-W-1440-06A



Sealing piece for AdBlue feed fitting on pump module and AdBlue feed fitting andreturn fitting on AdBlue container

WF58.50-W-1440-07A



Pump module altered

BT14.40-W-0001-01A

2

Replace pressure reservoir for pump module

Only for vehicles with pump module: A 000 140 02 78 or A 000 140 03 78



AR14.40-W-2008A



AR14.40-W-2008B



AR14.40-W-2008C

Parts ordering note

Part no.

Designation

Quantity

Parts for pump modules with part number A 000 140 05 78, A 000 140 09 78, A 000 140 15 78, A 000 140 25 78, A 000 140 44 78

1

A 000 142 00 19

Internal pneumatic pressure relief valve

1

Part for pump module with part number A 000 140 02 78, A 000 140 03 78

1

A 000 142 05 19

External pneumatic pressure reducing valve

1

A 003 997 23 89

AdBlue® line plug coupling 9.49 mm

1

A 000 995 62 35

One-ear clamp

1

A 000 142 01 06

AdBlue® filter

1

A 941 475 17 20

Profile base (as chafe protection for the external pneumatic pressure reducing valve)

1

Parts for pump module with part number A 000 140 04 78

1

A 000 142 03 19

External pneumatic pressure reducing valve

1

A 941 475 17 20

Profile base (as chafe protection for the external pneumatic pressure reducing valve)

1