Lathe spindle bearing removal
#15
(10-02-2019, 07:18 PM)bennybmn Wrote: Good point on the screws. As for rubber in the pulleys, I doubt it, but I’m way past that now lol. I’m using a link belt, which isn’t a great fit either, but it was running quietly before.

Borrowed a slide hammer from the auto parts store today after breaking a harbor freight bearing puller.

Any harm in using a propane torch to heat the cast iron?

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No harm to the cast iron but keep the flame moving...don't heat just one spot...
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#16
(10-02-2019, 07:18 PM)bennybmn Wrote: Good point on the screws. As for rubber in the pulleys, I doubt it, but I’m way past that now lol. I’m using a link belt, which isn’t a great fit either, but it was running quietly before.

Borrowed a slide hammer from the auto parts store today after breaking a harbor freight bearing puller.

Any harm in using a propane torch to heat the cast iron?

 Heat cast iron slowly and evenly and allow it to cool slowly.


 I have found it helpful on some to wrap wet rags around the shaft the pulley is stuck on, then heat the pulley- sometimes the pulley just falls off.
 Aluminum pulleys can be easier- just melt them off and get another pulley.
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#17
Found that second screw by the way... also I got it out, and ordered some fresh bearings. I ended up using an 8” C clamp and some big ok washers to push them out.
Benny

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#18
That’s funny about melting the pulley! I did end up filing a bevel in th end to pop it out of the way.
Benny

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