Skoda Octavia II 2004 Workshop Manual page 229

1.13.2 Installing
Caution
• For any work requiring adjustment of the unit injector using
the adjusting screw, the adjusting screw in the valve lever
and the ball stud in the unit injector will need to be re‐
placed; otherwise these components will be significantly
worn.
• Fixing screws for unit injectors will also need to be re‐
placed.
Note
Grease the contact surfaces between the ball stud and the
♦
adjusting screw using grease - G 000 100- .
New unit injectors are supplied with O-rings and heat-protec‐
♦
tion seal.
If the old unit injectors are reinstalled, replace the O-rings
♦
⇒ page 225 ,
– Before installing the unit injector, check the correct position of
the three O-rings, the heat-protection seal and the circlip.
Note
The O-rings must not be twisted.
– Oil the O-rings and place the unit injector with the greatest of
care into the cylinder head.
– Slide the unit injector into the cylinder head seat up to the stop
by exerting a uniform pressure.
– Place the clamping pad in the side slot of the unit injector.
Note
If the unit injector is not perpendicular to the clamping pad the
fixing screw may loosen and cause damage to the unit injector or
cylinder head.
– Align the unit injector as follows:
– Screw the new fixing screw in the clamping pad until the unit
injector can still easily be turned.
– Set unit injector at a right angle to the bearing shell of the
camshaft.
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Octavia II 2004 ➤ , Octavia II 2010 ➤
2.0/100; 103 kW TDI PD Engine - Edition 01.2018
1. Repairing Diesel Direct Injection system
223