MTU 12 V4000 Engine Injector Removal Guide

Here is the instruction show you guide on how to remove MTU 12V4000 engine injector.

1. Shut off fuel supply to engine.
2. Remove cylinder head cover

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Removing injector
1. Disconnect cable connector on injector.
2. Remove HP fuel line (4).
3. Remove return line (5).
 

Note: The injector accumulator will be emptied when removing the adapter.
4. Remove adapter (3).
5. Remove screw (2) and take off hold-down clamp (1).
6. Install installation/removal tool on cylinder head.
7. Remove injector with installation/removal tool.MTU DiaSys 2.74
8. Remove installation/removal tool.
9. Remove sealing ring (4) from injector or use a self-made hook to take it out of the cylinder head.
10. Remove O-rings (3), O-ring (2) and damper ring (1) from injector.
11. Clean all mating and sealing surfaces.
12. Cover all connections and bores, or seal with suitable plugs.