Workshop Manual

TCD 2015
Fuel system
W 07-07-02
© 06/2006 8220-001
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6
Assembling fuel injector
z Check injection nozzle.
Attention!
Do not touch the nozzle needle with your
fingers!
Nozzle needle (1) and nozzle body (2) are
folded together and may not be switched or
changed individually!
1
2
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The nozzle needle (1) must slide slowly
and without jolting into its seat by the force
of its own weight with the nozzle body (2)
held vertically.
In case of abrupt sliding of the nozzle
needle, clean the injection nozzle again in
the diesel bath, renew if necessary.
Also clean the new injection nozzle in the
clean diesel bath.
1
2
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z Visually inspect the seat surfaces of the intermediate
piece for wear.
Make sure the centering pins (arrows) are
in place.
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