Remove/install exhaust gas recirculation line downstream of exhaust gas recirculation valve

AR14.20-D-1063TSV

Remove/install exhaust gas recirculation line downstream of exhaust gas recirculation valve

06.03.2020

Engine

642 in model 907

Shown on model 906

1

Housing

3

Screw

5

Mixing chamber

2

Screw

4

Exhaust gas recirculation line

6

Seal

 Warning

Risk of injury. Skin or eye injuries may result when handling hot or glowing objects.

Wear protective gloves, protective clothing and safety glasses, if necessary.

AS00.00-Z-0002-01A

 Warning

Risk of burn injuries, suffocation and poisoning when working on the exhaust system and the components connected to it. Risk of suffocation and risk of poisoning caused by inhalation of gaseous and solid components of the exhaust. Risk of poisoning caused by skin contact with solid components of the exhaust.

Wear protective clothing and safety glasses. Use the extraction system. Move people out of the hazard area.

AS49.00-Z-0001-01A

 

Remove/install

1

Remove the exhaust gas recirculation valve.

AR14.20-D-7662TSV

2

Remove exhaust gas recirculation line (4).

 To do so, remove screw/bolts (2, 3). Turn the exhaust gas recirculation line (4) counterclockwise when removing it from the mixer housing (5).

 Installation: Tighten screws/bolts (2, 3) lightly by hand. Then tighten bolts (3) and then bolts (2) to torque.

 Bolt, exhaust gas recirculation line to mixing chamber

*BA14.20-N-1008-01TSV

 Bolt, exhaust gas recirculation line to housing of exhaust gas recirculation valve

*BA14.20-N-1009-01TSV

 Set of flexible head wrenches

*001589810900

3

Remove seals (6).

 Installation: Replace seals (6).



Clean

4

Clean sealing surfaces on the mixer housing (5) and on the housing (1) of the exhaust gas recirculation valve.

Assembly cleaner

*BR00.45-Z-1028-04A

5

Clean sealing surfaces on the exhaust gas recirculation line (4).

If exhaust gas recirculation line (4) is reused.

6

Install in the reverse order.



Check

 Warning

Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.

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

AS00.00-Z-0005-01A

7

Check for leaktightness when engine is running.

 Visual inspection only.

 Exhaust gas recirculation

Number

Designation

Engine 642 in model 907

BA14.20-N-1008-01TSV

Bolt, exhaust gas recirculation line to mixing chamber

Nm

9

 Exhaust gas recirculation

Number

Designation

Engine 642 in model 907

BA14.20-N-1009-01TSV

Bolt, exhaust gas recirculation line to housing of exhaust gas recirculation valve

Nm

13

Repair materials

Number

Designation

Order number

BR00.45-Z-1028-04A

Assembly cleaner

A 000 986 56 01