Remove/install high pressure line

AR07.16-S-1002EA

Remove/install high pressure line

07.07.2020

Engine

654.9 in model 447

Modification notes

23.10.2019

Union nut, pressure line to rail

BA07.16-P-1002-04A

27.11.2019

Union nut, pressure line to rail

BA07.16-P-1002-04A

27.11.2019

Union nut, pressure line to injector/high-pressure pump

BA07.16-P-1003-04A

1

High pressure pipe

3

Clip

5

Rail

2

Screw

4

High pressure pump

 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 charge air cooler.

AR09.41-S-6817EA

2

Remove screw/bolt (2).

 Bolt, pressure line clamp to charge air distributor

*BA07.16-P-1011-04A

3

Remove union nuts of high-pressure line (1) at high-pressure pump (4) and at rail (5).

Note on calculation of tightening torque when using insertion or socket tools with various effective lengths

AH00.00-P-0015-01CW

 Installation: First slightly tighten union nuts by hand, then at rail (5) and finally at high-pressure pump (4).

 Union nut, pressure line to rail

*BA07.16-P-1002-04A

 Union nut, pressure line to injector/high-pressure pump

*BA07.16-P-1003-04A

 Open double hexagon box wrench

*454589000300

 Box wrench bit

*000589690300

4

Remove the high-pressure line (1).

 Use rags to catch escaping fuel.

5

Seal openings at rail (5) and at high-pressure pump (4) with suitable stop plugs.

 Record plug

*129589009100

6

Remove clamp (3) at high-pressure line (1).

 Replace high-pressure line (1).

7

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

8

Perform engine test run and check engine in area of high-pressure line (1) for leaks.

 Common rail diesel injection system

Number

Designation

Engine 654

BA07.16-P-1002-04A

Union nut, pressure line to rail

Nm

27

 Common rail diesel injection system

Number

Designation

Engine 654

BA07.16-P-1003-04A

Union nut, pressure line to injector/high-pressure pump

Nm

33

 Common rail diesel injection system

Number

Designation

Engine 654

BA07.16-P-1011-04A

Bolt, pressure line clamp to charge air distributor

Nm

8