Remove/install pump module for exhaust aftertreatment system

AR14.40-W-2007A

Remove/install pump module for exhaust aftertreatment system

22.3.11

12.9.07

Fill pressure reservoir for pump module - added.

Step 15

AP14.40-W-1490A

 

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

Open maintenance flap

2

Switch off ignition

Danger!

Risk of injury to skin and eyes caused by scalding from contact with hot coolant spray. Risk of poisoning caused by swallowing coolant.

Do not open cooling system unless coolant temperature is below 90°C. Open cap slowly and release the pressure. Do not pour coolant into beverage containers.

Wear protective gloves, protective clothing and safety glasses.

AS20.00-Z-0001-01A

3

Release pressure in coolant circuit



Notes on coolant

AH20.00-N-2080-01A

4

Clamp off coolant lines at coolant line fittings (5, 6) using clamping devices



*000589543700

5

Remove coolant lines from coolant line fittings (5, 6)

 Mark coolant lines relative to coolant line fittings (5, 6).

Collect coolant in clean container.

 Installation: Replace O-rings. Observe identification of coolant lines relative to coolant line fittings (5, 6). Pour caught coolant back into coolant circuit after installing pump module (8).

6

Disconnect electrical connector (7) on pump module (8)

 The disconnected electrical connector (7) must not come into contact with AdBlue. This could cause damage in the wiring harness and the SCR frame module control unit.

7

Check electrical wiring harness

AR14.40-W-2033A

8

Remove compressed air connector (4) at pump module (8)



*BA00.18-N-1003-01A

9

Open insulating tubing in area of AdBlue line fittings (2, 3) to a length of about 20 cm and push back



*950589013700

10

Open insulating tubing in area of AdBlue line fitting (1) to a length of about 10 cm and push back



*950589013700

11

Clamp off AdBlue line using a clamping device and remove at AdBlue line fitting (1)

12

Clamp off AdBlue lines using clamping devices and remove at AdBlue line fittings (2, 3)

 Mark AdBlue lines to AdBlue line fittings (2, 3).

 Installation: Replace O-rings. Observe identification of AdBlue lines relative to AdBlue line fittings (2, 3).



*000589543700



Pump module altered

BT14.40-W-0001-01A

13

Remove pump module (8)



*BA14.40-N-1010-02A



Pump module altered

BT14.40-W-0001-01A

14

Install in the reverse order

15

Fill pressure reservoir for pump module

 Only if the pump module is replaced.



Fill AdBlue pressure reservoir

AP14.40-W-1490A

 Danger!

Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running

Secure vehicle to prevent it from moving by itself.
Wear closed and snug-fitting work clothes.
Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

16

Start engine

 Danger!

Risk of injury to skin and eyes caused by scalding from contact with hot coolant spray. Risk of poisoning caused by swallowing coolant.

Do not open cooling system unless coolant temperature is below 90°C. Open cap slowly and release the pressure. Do not pour coolant into beverage containers.

Wear protective gloves, protective clothing and safety glasses.

AS20.00-Z-0001-01A

17

Inspecting cooling system for leaks

AR20.00-W-1010G

18

Check coolant level, correct if necessary



Engine cooling system - check fluid level, adjust to correct level. Inspect anticorrosion/antifreeze protection, adjust to correct concentration

AP20.00-W-2010A

Number

Designation

Models
930, 932, 933, 934, 950, 952, 953, 954, 957, 958

BA00.18-N-1003-01A

Compressed air connection system
SCHÄFER "SDF" in metallic material

M101

Nm

5

Number

Designation

Engine 541.9
with code MS4
or code MS5

Engine 542.9
with code MS4
or code MS5

BA14.40-N-1010-02A

Pump module on bracket

Nm

60

60