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Harrison 140 lathe question

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Ian.C:
Thanks for that - I'm getting there slowly.

Biggles:
Just a thought; you probably know this already. dont engage both the feed and the half nuts leavers at the same time. its one or the other.
 :doh:

seadog:
Is that possible? Surely there is a mechanical interlock that would preclude this happening?

shipto:

--- Quote from: seadog on March 10, 2017, 01:48:22 PM ---Is that possible? Surely there is a mechanical interlock that would preclude this happening?

--- End quote ---
I think this very thing has happened on mine, I had to replace the feed cog on mine as it had been pretty much stripped clean and someone at some time or other has put a bolt into the leadscrew engage lever to stop it dropping and engaging by accident.
not a very good pic but you can just about see it.
edit: should have said mine is a 14" not a 140

doubleboost:
 My 140 has a interlock to prevent this from happening
The leadscrew also has a "dog" clutch to stop the lead screw needsley turning
John

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