Remove/install injection lines of common rail direct injection

AR07.16-S-1080EF

Remove/install injection lines of common rail direct injection

13.08.2019

Model

447 with engine 622

Shown on engine 622.9

1

Injection line

2

Rail

 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

 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 the oil separator.

Model 447 with engine 622.9

AR01.20-S-9750EF

Model 447 with engine 622.8

AR01.20-S-9750EH

2

Remove union nuts of injection lines (1).


Counterhold connections for injection lines (1).
In order to prevent damage.

 Nut, high-pressure line to rail

*BA07.16-N-1004-01E

 Nut, high-pressure line to injector

*BA07.16-N-1003-01E

 Model 447 with engine 622.8
Ring wrench

*000589070300

 Model 447 with engine 622.9
Tool kit

*000589109900

 Model 447 with engine 622.9
Box wrench bit

*000589680300

3

Remove injection lines (1).


Ensure utmost cleanliness.
Leaks and damage nay occur otherwise.

 Installation:
Always replace injection lines (1); do not crush or bend.
Leaks can occur otherwise.

 Plug connections on rail (2) and fuel injectors. Grommets are available as an replacement part of the fuel injection system; see EPC Group 07.

 Take into account assignments of injection lines (1).

4

Install in the reverse order.



Check

 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

 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

5

Perform engine test run. While doing so, check engine for proper operation and leak tightness.

 Common rail diesel injection (CDI)

Number

Designation

Engine 622.8 in model 447

Engine 622.9 in model 447

BA07.16-N-1003-01E

Nut, high-pressure line to injector

Nm

34

30

 Common rail diesel injection (CDI)

Number

Designation

Engine 622.8 in model 447

Engine 622.9 in model 447

BA07.16-N-1004-01E

Nut, high-pressure line to rail

Nm

34

26