Remove/install injection lines of common rail diesel injection (CDI)

AR07.16-P-1080TX

Remove/install injection lines of common rail diesel injection (CDI)

30.1.09

 

Remove/install

 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 systems when they are under pressure

AS07.16-Z-0001-01A



Notes about common rail components

AH07.16-P-0002-01TX

1

Remove engine cover

 Installation: Only install after checking for leaks.

2

Remove insulating mat (2)

 Installation: Only install after checking for leaks.

3

Remove screw (3)



*BA07.16-P-1019-01D

4

Unscrew union nuts for injection lines (4)

 In doing so counterhold all connectors for injection lines to avoid material breakage.



*BA07.16-P-1007-01D



*000589680300

5

Remove injector lines (4)

 Removal: Mark installation position of injection lines (4).

 To prevent leaks, do not squeeze or bend the injection lines (4). After disassembling the pressure lines (4) plug connections. Ensure utmost cleanliness.

 To ensure that injection lines (4) are mounted without tension, loosen rail and only tighten it again after injection lines (4) have been screwed on.



Remove/install rail

AR07.03-P-1010TXA

6

Unscrew union nuts for fuel high pressure line (5)



*BA07.16-P-1002-01D



*000589680300

7

Remove fuel high pressure line (5)

In order to avoid leakage, do not squeeze or bend fuel high pressure line (5). After disassembling fuel high pressure line (5) close connections. Ensure utmost cleanliness.

8

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

9

Check fuel system for leaks with engine running

Number

Designation

Engine
646.8

BA07.16-P-1002-01D

Nut, pressure line to high-pressure pump/rail

Stage 1

Nm

7

Stage 2

Nm

33

BA07.16-P-1007-01D

Nut, pressure line to rail/injector

Stage 1

Nm

7

Stage 2

Nm

33

BA07.16-P-1019-01D

Pressure line to front lifting eye

Nm

9