I have had a Vamo V7 40W for about 6 months now and since I got it constantly had a problem with a it getting hot where the top battery section joins with the section containing the chip.
Finally had enough so pulled the whole thing apart. The top battery section and the section holding the chip was held together with what I would call a collar each section hammerd on to the collar and held with pressure. I pulled them apart and pulled of the 510 head and removed the chip.
I was shocked at what I found. Who ever had put the thing together had used gule to secure the 510 head to the tube section that holds the chip and and had also used glue to secure the chip section to the collar that is used to connect it to the battery section.
No wonder the tube was getting hot. You need a solid metal to metal connection with the sections in order to get a good electrical connection and the glue was stopping that. so I removed all the glue and started putting it back together only to find now the glue was removed the collar was no longer a tight enough fit to hold the sections together. I thought to myself "I can see why you had the stupid idea of gluing it now".
As a tempory fix I wrapped some aluminium foil round the collar so it fit tight enough together and put the vamo back together. Guess what? The Problem of the tube getting hot had gone although I'm not happy about having to use the foil. My brother is a welder so I was thinking about asking him if he could weld the sections together although I'm not sure if stainless steel can be welded.

Finally had enough so pulled the whole thing apart. The top battery section and the section holding the chip was held together with what I would call a collar each section hammerd on to the collar and held with pressure. I pulled them apart and pulled of the 510 head and removed the chip.
I was shocked at what I found. Who ever had put the thing together had used gule to secure the 510 head to the tube section that holds the chip and and had also used glue to secure the chip section to the collar that is used to connect it to the battery section.
No wonder the tube was getting hot. You need a solid metal to metal connection with the sections in order to get a good electrical connection and the glue was stopping that. so I removed all the glue and started putting it back together only to find now the glue was removed the collar was no longer a tight enough fit to hold the sections together. I thought to myself "I can see why you had the stupid idea of gluing it now".
As a tempory fix I wrapped some aluminium foil round the collar so it fit tight enough together and put the vamo back together. Guess what? The Problem of the tube getting hot had gone although I'm not happy about having to use the foil. My brother is a welder so I was thinking about asking him if he could weld the sections together although I'm not sure if stainless steel can be welded.
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