Update on my Pfaff 1222E bought at Garage Sale last weekend - a couple of concerns.
02-03-2016, 11:21 AM
#11
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Join Date: Jul 2012
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Posts: 3,817
I'd need to have one in front of me to know for sure but it looks like the piece with your finger on it should be secured by a screw or something, and the red piece behind it looks out of place or broken. I haven't had one of these on my bench in about 2 - 3 months though, so it's fuzzy.
02-03-2016, 05:49 PM
#12
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Join Date: Dec 2015
Posts: 20
Good news! It's working again. I went over everything I could think of a second time, oiled and cleaned more. It still isn't "purring", but it's less noisy and I'll keep working that.
I also eliminated the hesitation. I'll tell you how I did it, but I'm warning you to try it at your own risk.
Only the first one or two of my camstack "rolls" was cracked. First, I used a little vinegar on a Q-tip to clean any oil on the cam cracks. Then, I mixed up two-part epoxy, poked a pin into the glue and then carefully poked and rolled the glue into the cracks. Then I used my hair dryer to heat the cams to create a little capillary action to get the epoxy into the cracks. When the epoxy was completely dry, I picked off any little bit of excess dried glue I could find (it's shinier than the cam plastic) being careful to not disturb the cracks any more than necessary.
I have no idea how long this will last and didn't try any of the fancy stitches yet because I want to be sure the epoxy is fully cured (24 hours) before putting that stress on the repaired cams.
I'm experienced in pottery and porcelain repair and use epoxy for making those bonds, so I was pretty confident I could do this without making things worse. I used five minute epoxy, because that's what I had in the house but if I had had 30 minute cure epoxy I would have used that because I think it give a stronger bond. (If you try this, be sure to use two part epoxy and to mix the epoxy really, really well before you try to apply it - there's nothing worse than trying to fix something only to find you have missed the most important step.)
I also eliminated the hesitation. I'll tell you how I did it, but I'm warning you to try it at your own risk.
Only the first one or two of my camstack "rolls" was cracked. First, I used a little vinegar on a Q-tip to clean any oil on the cam cracks. Then, I mixed up two-part epoxy, poked a pin into the glue and then carefully poked and rolled the glue into the cracks. Then I used my hair dryer to heat the cams to create a little capillary action to get the epoxy into the cracks. When the epoxy was completely dry, I picked off any little bit of excess dried glue I could find (it's shinier than the cam plastic) being careful to not disturb the cracks any more than necessary.
I have no idea how long this will last and didn't try any of the fancy stitches yet because I want to be sure the epoxy is fully cured (24 hours) before putting that stress on the repaired cams.
I'm experienced in pottery and porcelain repair and use epoxy for making those bonds, so I was pretty confident I could do this without making things worse. I used five minute epoxy, because that's what I had in the house but if I had had 30 minute cure epoxy I would have used that because I think it give a stronger bond. (If you try this, be sure to use two part epoxy and to mix the epoxy really, really well before you try to apply it - there's nothing worse than trying to fix something only to find you have missed the most important step.)
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