Old Sewing Machine Identification
#31
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Thread Starter
Join Date: Sep 2018
Posts: 21
I picked up some pb blaster today and gave it a try. Just pb blaster alone didn't do much. Maybe if I waited long it would have. With the help of the torch I got s couple more screws loose. Just a word of caution. If you heat up metal and spray pb blaster on it, you will see a lot of smoke and I mean a lot. Its a good thing that I was working with the door open in the shop.
Yes patience is key. This is not my first rodeo with trying to loosen extremely rusted parts. I know it probably won't happen but it would sure be nice if it would unseize over night.
Yes patience is key. This is not my first rodeo with trying to loosen extremely rusted parts. I know it probably won't happen but it would sure be nice if it would unseize over night.
#32
Member
Join Date: Aug 2018
Posts: 23
I like Kroil best, and time will help any penetrating oil. Days or weeks. You might try dropping the whole machine in a bucket of diesel and let it soak. Ironically, boiling can also remove rust. You'd need a big pot, and you can't borrow my brew kettle for that.
#33
Super Member
Join Date: Sep 2015
Posts: 1,963
The annyoing thing about Kroil and PB Blaster is much the same as WD-40, the active ingredients are secret, listed under a % of proprietary agents. There is more than a bit of wild goose chase involved when going for one or the other, or just trying different stuff. There are brands that make different blends and let us know what the active ingredient is, like CRC. Applying the right stuff and let it go to work is probably the only way in cases like this, let it stand for a week or three, then reapply or altering with something else.
#34
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Join Date: Sep 2018
Posts: 21
Well, I think I figured out the mystery to getting these screws and parts unseized. What I did today was heated up some screws to red hot. I waited a second for them to turn dark again and tried turning so I turned them a bit. Then I sprayed some pb blaster and they turned out like a dream.
#37
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Thread Starter
Join Date: Sep 2018
Posts: 21
I've never heard of using a hair dryer for heating up parts. For my machine, I need a torch. If I had an oxy acetylene torch, it would be even better because its a smaller flame thats hotter. I could get parts to red hot in just a few seconds but the propane torch is doing its job alright. These parts are so rusted in place but slowly I'm getting them out.
#39
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Thread Starter
Join Date: Sep 2018
Posts: 21
Well, Its been a while and I have an update. Not on the machine, its still coming apart piece by piece. This is something related to this sewing machine. I somehow found the table for this machine at my place, well, whats left of it. I haven't found it all yet I'm go this weekend and see what I can find for parts. I'll take pictures too. It was in the most interesting place. It was under some old heavy steel wheel off of a piece of farm equipment that was nowhere near where I found the sewing machine.
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