The Pinion as it looks from the inside

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The Pinion as it looks from the inside
The best way to set up the Dial Indicator is to secure it with a magnet mount to the inspection platesurface of the chunk
After placing everything in
Using just a little grease on the ring

Pinion Gear

The Pinion as it looks from the inside. The rings are under the head, just between the gears and
bearing. They adjust the length the pinion sticks out into the chunk.