ar0703d1010b

Remove/install rail

Type ar · topic 07.03 · version 0100 · 2009-01-29

Applies to: ENGINE 612.981 in MODEL 902.6, 903.6, 904.6, 905.6

Where it sits

Function group 1 Engine › 07 Mixture formation › 07.03 Injection jets, Injection valves, Lines — Series 902 (models 6**) · Series 903 (models 6**) · Series 904 (models 6**) · Series 905 (models 6**)

EinPAS 15 Engine › 15.45 Engine management › 15.45.42 Fuel distributor/rail/nozzle/injector — Series 902 (models 6**) · Series 903 (models 6**) · Series 904 (models 6**) · Series 905 (models 6**)

Also applies to engines/gearboxes: 612 981

AR07.03-D-1010B

Remove/install rail

7.1.09

ENGINE 612.981 in MODEL 902.6, 903.6, 904.6, 905.6

Remove/install rail

D07.16-1114-06

1 Rail

2 Rail pressure sensor

3 Pressure control valve

4 Rail pressure sensor connector of

5 Pressure regulator valve connector

6 Injection lines

7 Bolts

8 Pressure line high pressure pump-rail

9 Bracket of pressure line

10 Angled piece

11 Leak oil line

12 Fuel return line

13 Fuel return line

14 Charge air manifold

Remove/install

Danger!

Risk of explosion caused by ignition of flammable products, risk of poisoning caused by inhaling fuel vapors or swallowing fuel as well as risk of injury to skin and eyes exposed to fuel.

No fire, sparks, open flames or smoking.
Only pour fuels into suitable and appropriately marked containers.

Wear protective clothing when handling fuel.

AS47.00-Z-0001-01A

1

Detach charge air manifold (14) at cylinder head and place to the side with engine wiring harness connected

The engine wiring harness does not need to be separated at the vehicle side.

AR09.41-D-1310A

2

Remove trim panel for cylinder head cover

AR01.20-D-5015A

3

Remove injection line (6)

AR07.16-D-1080A

4

Unplug connectors at rail pressure sensor (2) and at pressure regulator valve (3)

5

Detach bracket (9) for pressure line (8)

6

Take off pressure line (8) at rail

Do not crimp or bend pressure line (8). Ensure scrupulous cleanliness!

*BA07.16-P-1002-01A

7

Detach fuel return flow line (13) at rail (1)

Pay attention to use of locking arm.

Replace seal.

AR47.25-P-1000-01A

8

Detach rail (1) at cylinder head

Installation: Tighten rail (1) fully after feeding in all the injection lines.

*BA07.16-P-1004-01A

If rail is replaced:

Fit on existing angled piece (10), replace seals

*BA07.16-P-1006-01A

9

Detach fuel return flow lines (12) and leak oil line (11) at angled piece (10)

10

Take out rail (1) to the front

11

Install in the reverse order

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

Danger!

Risk of explosion from 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

12

Inspect fuel system for leaks

Run engine, switch off and inspect for leaks.

Common rail diesel injection (CDI)

Number

Designation

Engine 612.981

BA07.16-P-1002-01A

Nut, pressure line to high-pressure pump/rail

Nm

23

BA07.16-P-1004-01A

Bolt, rail to cylinder head

Nm

14

BA07.16-P-1006-01A

Banjo bolt, leak oil line to rail

Nm

20

Referenced documents