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My lee 4-20 melting pot is leaking, maybe i let trash get in the drop hole? How can this be fixed? Should i send it back to lee? As soon as the lead get good and hot it just runs out the bottom, thanks csa
Sounds like you were smelting wheelweights or something with a lot of debris in it!?¿ Like RC said, you need to empty it and clean the valve and seat. Then only put clean lead in it from now on.
My lee 4-20 melting pot is leaking, maybe i let trash get in the drop hole? How can this be fixed? Should i send it back to lee? As soon as the lead get good and hot it just runs out the bottom,
1. Straighten a wire paper clip. Stick it into the bottom spout while it is leaking. It should push out whatever it is that is preventing the valve from closing.
2. Try adjusting the screw on top of the valve. Turn it clockwise to allow the valve to seat deeper in the spout.
This is the 10# pot but the 20# works the same way. I put a screwdriver in the slot in the top of the stem and gave it a few turns, my leaks were gone. I have the 20# pot also but haven't used it yet.
Rusty
Use a screwdriver to turn the valve stem (not the adjusting screw) to clear the valve seat. I had to do that last time I used mine after draining it to change alloys. Doesn't matter whether you turn it right or left. I usually give it a half-turn each way.
The 10# and the 20# lee pots are very different. The 10# valve rod is at an angle to the spout. It is nortorious for dripping. If your's doesn't drip, you are indeed fortunate. I had one for years, it leaked constantly no matter what I did.
I now have the 20#, it seldom leaks. But when it does, it needs cleaning. Crud that should float to the surface of the melt, gets trapped by the heavy lead. Scraping with a spoon or something will help dislodge the crud, but it eventually works it's way down to the valve seat. The ONLY way to stop it is to drain it and clean down to the bare metal on the inside of the pot.
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