Remove/install injection nozzle together with nozzle holder

AR07.03-G-6840MT

Remove/install injection nozzle together with nozzle holder

10.1.07

 

Remove/install

 Danger!

Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel and risk of injury to eyes and skin caused by contact with 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

Clean nozzle holder and area around nozzle holder

2

Remove injection lines

 Do not bend injection lines otherwise the injection nozzles can be damaged by broken off hardness layers. This can result in engine damage.

AR07.11-G-9230MT

3

Detach fuel hoses from hose fitting on nozzle holder

4

Remove rubber plug from groove in cylinder head

5

Remove needle movement sensor for injection nozzle

Only for engine 447

AR07.04-G-0003MT

6

Remove pressure screw on nozzle holder



*BA07.03-N-1002-01F



*000589642100



*403589030700



*403589040700

7

Knock out nozzle holder from cylinder head

 Do not impact nozzle otherwise the injection nozzle can be damaged.

 Installation: Observe guide pin on nozzle holder and groove in cylinder head.



*355589016300

8

Remove sealing ring from cylinder head

 Installation: Replace sealing ring.

9

Check injection nozzle

AR07.03-G-6712MT

10

Install in the reverse order

Number

Designation

Engine 444.901, 447.903

BA07.03-N-1002-01F

Pressure screw, injection nozzle to cylinder head

Nm

70