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Half nut help

rcn11thacr

Aluminum
Joined
Dec 5, 2019
New machinist in training and doing so on my own. My 30 inch monarch half nut handle will not move. I have taken it off the lathe and it works fine, but will not engage the nuts once it’s bolted in place. Is there a first step to this I should take first before it will move, or do I have a problem?
 
In other words - the three position lever not far from half nut lever has to be in the middle hole
Your referring to the ELSR lever on the 10ee, correct? If you are then that doesn’t allow the half nut lever to engage when I make sure the ELSR is in the middle. I must have another problem
 
I realized that I didn’t clearly state this in the introduction. I have a 1965 10ee 30 inch version. Apologies to all
 
A different way to think about your locked half nut lever is to think like the engineers designing the lathe's apron gearing and controls.
The engineers did not want the lead screw engaged to move the carriage if the feed system was also engaged at the same time..
Hence an interlock to prevent feed and threading rod engaged at the same time..

DualValve
 








 
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