Graziano 12S Headstock Oiling System

In preparing to change the headstock oil in my new-to-me 12S I pulled the filter. There is quite a bit of metal and sludge in it. What have others observed when the filter is pulled?
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Also, the oiling tubing seems different than what is in the brochure. Can others post photos of their headstock oil circuits?
Here's mine:
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The photo in the brochure shows a connection to the bearing at the left side of the headstock.


Thanks,
Evan

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