Singer 15-91 Sidewinder

Old 03-04-2018, 08:26 AM
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Default Singer 15-91 Sidewinder

[ATTACH=CONFIG]590142[/ATTACH][ATTACH=CONFIG]590143[/ATTACH]

You all know I get machines no one else wants. I paid parts price for this sad 15-91. Started playing with it and found that the motor runs, although, of course, the drive train doesn't. So with the clutch disengaged I have a very heavy AC powered Sidewinder.

All of the rust was concentrated near the bobbin area and I found a bit of chewed paper in the bobbin.
I suspect mice had lived there.

If nothing else, I can raid it for the motor/drive gear and control.
Attached Thumbnails 15-91-bad-bobbin-machine-b.jpg   rusty-bobbin-area-15-91-b.jpg  
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Old 03-04-2018, 08:44 AM
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Ohh, I don't know if it's beyon repair, but not necessarily. Decals are strangely intact, I wonder if it was just forgotten in a damp spot at some point? If the turn switch on the lamp works and turns clock wise with a nice snap, there's always someone looking for parts.
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Old 03-04-2018, 08:54 AM
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Boy that is rough. A lot of wire brush work and maybe some rust remover. Some states with damp climates don't
store metal well.
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Old 03-04-2018, 09:35 AM
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Originally Posted by Quilterman View Post
...Some states with damp climates don't store metal well.
I wonder if some kind of basic spray can product or oil could prevent something like this? WD-40 is meant to dry to a protective film, a good spray down of metal parts before storage? Basic sewing machine oil does a good job in may cases. Dry heated rooms are probaby the only safe way to store anything. I'm also thinking of cardboard boxes lined with anti corrosive paper.
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Old 03-04-2018, 09:43 AM
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Cardboard boxes attract roaches. They eat the glue between the layers.

bkay
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Old 03-05-2018, 04:06 AM
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I don't think it is a boat anchor yet. Maybe it was in a flood?

Marcia
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Old 03-05-2018, 07:17 AM
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Like I said, rust is concentrated in the bobbin area. I believe it will live again.

[ATTACH=CONFIG]590262[/ATTACH]
Attached Thumbnails 15-91-bottom-bad-bobbin-b.jpg  
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Old 03-05-2018, 11:09 AM
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That sort of looks like salt rust to me. My guess a mouse set a nest up in the shuttle area and peed all over the bobbin.

Try submerging the front end of that machine in Evaporust. You might be surprised at how fast that stuff removes bright red rust.
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Old 03-10-2018, 10:50 AM
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Brush phosphoric acid on all the rust but keep it off of the paint. You can get it at ACE hardware. Comes under another
name but is about the best rust remover. It is thin like water so will penetrate into all of the rusted shafts and
bearing surfaces. Then soak everything with penetrating oil. You should then be able to start taking things apart.
Once you get the parts off buff them on a wire brush.
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Old 03-11-2018, 07:22 AM
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Thanks for the hints. We'll see what happens.
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