Remove/install leak oil line to injectors

AR07.03-S-9105EA

Remove/install leak oil line to injectors

02.09.2019

Engine

654.9 in model 447

2

Electrical connector

3

Screw

4

Low-pressure turbocharger boost pressure sensor

5

Electrical wiring harness

6

Cable duct

7

Noise insulation

6

Cable duct

7

Noise insulation

1

Leak oil line

1.1

Fuse

1

Leak oil line

8

Mounting clamp

9

Return flow pipe

 Danger

Risk of explosion caused by fuel igniting. Risk of injury to skin and eyes caused by fuel spraying out at high pressure

Keep all ignition sources out of hazard area.
Do not carry out any work on system when it is pressurized.

AS07.16-Z-0001-01A

 Danger

Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel as well as risk of injury to eyes and skin caused by contactwith fuel.

No fires, sparks, open flames or smoking. Pour fuels into suitable and appropriately marked containers only.
Wear protective clothing when handling fuel.

AS47.00-Z-0001-01A

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-P-5000-01A

Notes about Common-Rail components

AH07.16-P-0002-01TX

 

Remove/install

1

Remove engine air intake duct downstream of air filter.

AR09.10-S-8130EA

2

Remove charge air cooler.

AR09.41-S-6817EA

3

Release and disconnect electrical connector (2).

4

Remove screw/bolts (3).

 Screw, low-pressure exhaust gas turbocharger boost pressure sensor carrier to cylinder head cover

*BA09.40-N-1032-02EA

5

Place low-pressure exhaust gas turbocharger boost pressure sensor (4) with carrier to one side.

6

Expose electrical wiring harness (5) (arrow A).

7

Unclip cable duct (6) upwards (arrow B) and place with electrical wiring harness (5) to the side.

8

Remove noise insulation (7).

9

Release retainer (1.1) of leak oil line (1) at all fuel injectors in direction of arrow and remove leak oil line (1).


Carefully remove leak oil line (1) in direction of arrow and remove upwards in alignment with respective fuel injector.
Leak oil line (1) will otherwise break and must be replaced.

 Use rags to catch escaping fuel.

10

Seal openings at leak oil line (1) and at fuel injectors with suitable stop plugs.

 Record plug

*129589009100

11

Remove leak oil line (1) from brackets (arrows C) and expose.

12

Remove mounting clip (8).

13

Remove leak oil line (1) from return line (9).

 Use rags to catch escaping fuel.

14

Remove leak oil line (1).

15

Check leak oil line (1) for damage.

If damage is visible:



Replace leak oil line (1).

16

Install in the reverse order.

 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

17

Perform engine test run.

 Turbocharger

Number

Designation

Engine 654.9 in model 447

BA09.40-N-1032-02EA

Screw, low-pressure exhaust gas turbocharger boost pressure sensor carrier to cylinder head cover

Nm

5