Maintenance Instructions
Seite/Page 170 - Kaptitel/Chapter 7: Maintenance Instructions 18.12.15
Fig. 7.20-5: Injection nozzlesRemoving the nozzle heat shield ring seal within the
scope of the maintenance work.
IMPORTANT!
• Use a phillips screwdriver (1) with a diameter greater than
the hole in the heat ring seal (approx. 6 mm (1/4 in)).
1. Lightly turn the screwdriver (1) into the hole in the heat
ring seal.
2. Rotate the screwdriver three to four times in each
direction.
3. When rotating the screwdriver, slowly extract the heat ring
seal (4) together with the injection nozzle gasket (3).
4. If the heat ring seal drops back in, repeat the procedure
above.
For assembly:
• If the injection nozzle is uninstalled for cleaning or maintenance purposes, the heat seal ring and the injection nozzle
gasket must be replaced.
(1) Phillips screwdriver (2) Injection nozzle
(3) Injection nozzle gasket (4) Heat ring seal
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