Antique Blowtorch Restoration - with testing!

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Antique Swiss Blowtorch Restoration - with testing! Oerlikon Record

In this video, I'm restoring an antique Swiss blowtorch.

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I found this old blowtorch, which was perfect for a nice restoration video. Before I started to disassemble I wanted to know if it still works and it did. The flame was quite inconsistent and fire leaked everywhere. By the first look, I saw that the front piece was damaged very hard, the bolt on top had a lot of slack, the handle of the pump was broken and it didn't lock.
After this first look, I started to disassemble. All the parts were easy to remove and went very well and fast.
To remove the soot and patina I used a mixture of flour, salt and vinegar. This is a very effective and cheap method, it takes a bit of time but it's worth waiting. I left the parts for 7 days. I made a new bolt on the lathe and recut the thread. To make the bolt black, I heated it to around 300-400°C and played it in olive oil, making it also rust proofing. Because I couldn't fix the front piece, I decided to make a new one and it worked very well. I made the gasket for it out of an exhaust gasket, because it had one layer of aluminium in it I first made a hole in the mill, then cut it roughly out and finished it with the belt grinder. Next up I removed all the scratches from the tank with sandpaper. As I can't engrave I decided to scratch the letters deeper with a needle and then I polished it. I did the same with the same with the filler cap and made a new gasket out of cork for it. The shaft from the pump was bent very hard, so I did straighten it with a hammer and polished it. As the handle from the pump was broken and it didn't lock, I decided to make a new one. I designed the handle and I was inspired by pictures of similar blowtorches on the internet, I was quite happy with the result. To make a new leather for the pump, I soaked a piece of leather in pure gasoline. I made a die and stamp to bring the leather in shape. To dry it faster I set it on fire and waited until the flames stopped, held it quickly under water and left it for 24 hours to dry. I took it out of the die, cut it in shape with scissors and pooched a hole in it. I ground the black handle clean with sandpaper on the lathe and made a new profile on the mill, after that I polished it to make it black and shiny. I made a new wick with a cotton cord.
Then I put it all back together. I used just a little bit of grease on all the threads and also on the pump leather. The pump had very good compression after assembling and I was very happy about the overall looking at the end.

Sorry for my bad English, it's not my language. I try my best to improve my technical English.

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