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I have a polytech side stamped @ while removing the spindle valve spring it fell out when spring tension was removed.I plan to redloctite it when replacing.If wrong let me know.
I would not do that. I'm not sure that I completely understand. Did you lose the spring, are you just going to slip the spindle in without the spring, loctite it, and install the roll pin?

The spindle has a hole in it for the gas to reach the barrel. That hole needs to be aligned perfectly. There is enormous, and very hot gas pressure going through it. Not sure that loctite would be up to the job.

The spindle valve is held in correct position by spring pressure and the groove in the wall of the GC for the roll pin.

Put it back together the way it's supposed to be, and avoid any problems is my advice.
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