Clausing 100 mk3 leadscrew issues.

gambit814

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Sep 14, 2018
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Hows it going everyone? I recently bought a Clausing mk3. I rebuilt and repainted the whole thing and it seems to run pretty smooth except for one issue. The powerfeeds aren't working anymore. I didnt tear into any of the gearboxes. The leadscrew doesn't turn at all. Is there something real simple I'm missing?


Thanks


Gambit
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There may be a sheared pin on the leadscrew
m
Where the lead screw attaches to the feed box. Also look at the QCGB gears and see if they are turning. There is a train of gears and shafts from the spindle to the carriage. Work backwards and see where the disconnect seems to be.
 
Thanks. Figured out the lead screw. There was a locking gear that had slipped. Pushed it forward and now the lead screw is spinning. Now to figure out the power crossfeed.
 
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