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The injector has now been completely removed and can be reused
after having properly cleaned it. (Fig. 11)
The supply includes a handle that is screwed to the pipe fitting of
the Common Rail injector, which allows you to rotate the injector
inside its seat.
Warning: the following Würth solutions are available for
cleaning the injector seat:
- 1952 003 115 Milling and cleaning tool set for injectors,
28 items.
- 1952 003 120 Kit Milling and cleaning tool set for injectors,
31 items.
- 1952 004 315 Vibrofighter tool set for removing and
cleaning injector seats, 28 items.
2) Injector removal with M17x0.75 thrust screw, after
the main body (upper part) of the injector has been
removed
Thanks to this method you can extract strongly seized injectors
due to rust or coking and which cannot be removed with the
fork extractor. In this case the problem is caused by one end of
the injector the head of which is extremely blocked and must be
removed separately. In order to do this, you must unscrew the
injector's main body. Therefore, disconnect the electrical socket
and the fuel return pipe using a set of pliers. Now you can unscrew
the injector's main body using an appropriate tool such as the
bush insert (OE 303-1690/1) for example. The injector head is
still blocked deep inside the seat of the cylinder head and must be
removed. Below is a description of this case.
After unscrewing the injector's main body (in the picture (Fig. 12)
to the left, on the engine head
M17x0.75 thrust screw (silver) all the way into the injector seat.
(Fig. 13)
Warning: tighten the screw only slightly to avoid damaging
the injector head's fine thread.
Screw in the M18 adapter. (Fig. 14)
Screw the thrust screw (black) with the plastic insert into the adapter.
(Fig. 15)
Now rest the previously mounted cross member against the head's
screws with the support feet and insert the screw through the cross
member hole.
Insert the thrust bearing into the cross member and screw the
pressure nut onto the thrust screw. (Fig. 16)
20
), and removing it, screw the
A
12
A
13
14
15
16
17
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