Remove/install injection line

AR07.15-B-8971O

Remove/install injection line

13.02.2020

Engine

460.9 in model 934.241/251, 938.142

1

Injection pipe

2

Connection pressure bolt

3

Bolt

4

Tube mounting bracket



Remove

 Warning

Risk of injury caused by body parts being pinched or crushed as cab is tilted

Ensure that no one is within the tilting range of the cab as it is being tilted. Always tilt the cab all the way to the end position and secure it with the safety strut.

AS60.80-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

 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

 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-0001-01B

Notes on safety-relevant components

AH00.00-Z-0019-01A

1

Tilt the cab

2

Remove the left side noise encapsulation from the frame

3

Remove the supercharger air distributor

AR09.41-B-8683O

4

Identify the injection lines (1) in relation to the corresponding cylinder

 When removing several injection lines (1).

5

Remove the screw (3) from the tube mounting bracket (4)

6

Remove the injection piping (1)


The injection pipe (1) must not be deformed
Otherwise, the lining may get loose in the injection line (1) and lead to engine damage.

 Box wrench bit

*000589680300

 Ring wrench

*000589070300



Install

7

Install the connection pressure screw (2) on the head

 Connection pressure screw on the cylinder head

*BA07.15-B-1005-02O

8

Install the tube mounting bracket (4) on the injection line (1)

 Only when replacing the injection line (1).

 Observe the installation position .

9

Install the injection line (1)


The injection pipe (1) must not be deformed
Otherwise, the lining may get loose in the injection line (1) and lead to engine damage.

 Pay attention to the injection line marks (1).
The bracket (4) must be supported on the lower support.

 Fuel return pipe cap nut (for compression testing) of individual injection pump

*BA07.15-B-1008-02O

 Box wrench bit

*000589680300

10

Install the screw (3) on the bracket (4)


The injection line (1) must not be bent
Otherwise, the lining may get loose in the injection line (1) and lead to engine damage.

 Injection pipe holder screw on holder

*BA07.15-B-1007-02O

11

Install the supercharger air distributor

AR09.41-B-8683O

12

Start the engine and check the injection piping area for leaks (1)

 Make a visual inspection.

13

Stop the engine

14

Install the left side noise encapsulation on the frame

15

Return the cab to the work position

 Diesel injection system with single injection pumps

Number

Designation

Engine 460 in Type 934.241/251, 938.142

BA07.15-B-1005-02O

Connection pressure screw on the cylinder head

Nm

45

 Diesel injection system with single injection pumps

Number

Designation

Engine 460 in Type 934.241/251, 938.142

BA07.15-B-1007-02O

Injection pipe holder screw on holder

Nm

12

 Diesel injection system with single injection pumps

Number

Designation

Engine 460 in Type 934.241/251, 938.142

BA07.15-B-1008-02O

Fuel return pipe cap nut (for compression testing) of individual injection pump

Nm

30