Remove/Install Fuel Injectors Sealing Package On Rail - Ar07.03-S-0004-02EG

Model 907 with engine 274 

Fig 1: Drift (278 589 01 15 00)

Do not use sharp-edged tools.

The sealing surfaces may be damaged and leaks may occur otherwise.

The sealing package may only be used once.

Remove sealing package 

1. Remove retaining ring (1).

   To do this press the ends of the retaining ring (1) together using needle nose pliers.

2. Remove metal support disk (2) using a plastic drift (02).
3. Remove slit plastic support ring (3), sealing ring (4) and white support ring (5) using a plastic drift (02).
4. Thoroughly clean mount for fuel injector on rail (6). and blow out with compressed air.

   Exclusively use assembly cleaner and clean, lint-free rags.

   Leaks can occur otherwise.

   When cleaning the fuel connections must be held downwards so that no dirt can find its way into the openings.

   Damage can occur to the fuel high-pressure circuit otherwise.

   Install sealing package 

5. Remove slit plastic support ring (3), sealing ring (4) and white support ring (5) on the plastic drift (02).

   The slit plastic support ring (3) must be installed as shown with the groove aligned upwards. Leaks will occur for wrong assembly.

   Ensure that flat side of the black slit plastic support ring (3) sits on the sealing ring (4).

6. Push sleeve (03) onto the slit plastic support ring (3), sealing ring (4), white support ring (5) and plastic drift (02).
7. Place the plastic drift (02) and sleeve (03) on the rail (6) mount.
8. Push the slit plastic support ring (3), sealing ring (4) and white support ring (5) with plastic drift (02) into the rail (6) all the way.
9. Remove plastic drift (02) and sleeve (03).
10. Check seat of the slit plastic ring (3).

    The slit plastic support ring (3) must sit evenly under the lower edge (1k) in the mount for the rail (6).

11. Place metal support disk (2) on the slit plastic support ring (3).

    The profiled side (2a) of the metal support disc (2) must point outwards.

12. Press metal support disc (2) into the rail (6) using a plastic drift (02).
13. Remove the plastic drift (02).
14. Open the metal drift (01).

    To do this push stem (01a) to the rear in the direction of the handle (01b).

15. Insert snap ring (1) in the metal drift (01).

    The ends of the snap ring (1) must sit in the cutout (01c) of the metal drift (01) and must later lie on the profiled side (2a) of the metal support disc (2).

16. Close metal drift (01).

    The markings (01m) on the metal drift (01) must be flush with each other.

17. Press metal drift (01) into the rail (6) mount.

    Push metal drift (01) into the rail (6) until the snap ring (1) audibly engages.

18. Remove metal drift (01).
19. Check seat of the retaining ring (1).

    The snap ring (1) must be located in the groove (1n) of the rail (6) and must allow itself to be twisted easily. The ends of the snap ring (1) must sit in the cutout (2b) on the metal support disc (2).