Repairing my Pfaff 1222 Log

Old 11-13-2019, 08:27 PM
  #11  
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Originally Posted by MissMori View Post
I purchased a Pfaff 1222 at the DAV for $17 a couple weeks ago. Did you find a repair manuel somewhere online? Have you been able to get parts?
Lucky you! I have both manual and repair service manual. Yes i was able to get the camstack. Other than that, I am able to find other parts in ebay.

so onto more repair. Well after tinkering and checking out every type of solution. I may have to give up and take it to somebody who have service many pfaff

Still no straight stitch. Feed dogs still feeding way too slow. Just lucky that there are no broken parts. As usualy with german engineering, over engineer the simplest mechanism in life.

[ATTACH=CONFIG]619677[/ATTACH]
[ATTACH=CONFIG]619678[/ATTACH]
[ATTACH=CONFIG]619679[/ATTACH]
[ATTACH=CONFIG]619680[/ATTACH]

I did put everything together if in case I just give it to a repairman.
Attached Thumbnails pb020093.jpg   pb020094.jpg   pb090095.jpg   pb090096.jpg   pb090098.jpg  

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Old 12-16-2020, 11:53 PM
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Originally Posted by bobbinhd View Post
log #1

I was finally get to repair the knob dials. see below by unscrewing the lock mechanism
Attachment 619196
More pictures
Attachment 619197


I then fixed on the feed dogs but I think i got it repair but will testing needs to be done. Manual says go to go see the bottom
Attachment 619198
Attachment 619199

Still no straight stitch

Will continue the next time.
How does the knob come off? The white square on my machine moved about to about the 2 o'clock position. I'm guessing I need to remove the entire dial assembly to get the dial back in phase.
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Old 12-23-2020, 09:58 PM
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Had some free time to look into it today and figured it out. There was a hidden set screw on the needle position gear. Once you remove that, the knob pulls out. Then the bushing and the rest of the stitch length selector dial can be removed.

What causes the bushing to spin is from oil. The bushing is press fit into the housing and should not be lubricated but if it's oiled then oil will work its way in between the housing and bushing, causing the bushing to spin, which causes the white dot/square to move.

I've been reading that the fix is to drill into the housing and install a set screw to permanently hold the bushing in place. I didn't want metal shavings falling down inside near the motor so I just ended up using Red Loctite on the outside of the bushing which is just as good of a fix IMO. Just make sure to remove any oil residue on the bushing and housing with acetone or isopropyl alcohol before applying it. Once cured, it aint coming off unless you stick a torch to it. Make sure the notch at the end of the bushing is perfectly vertical before you press/tap it in because it bonds quickly. I messed up the first time and had to really crank on it with vice grips to remove it.

This was a fairly easy fix. I was expecting to take the entire machine apart based on the several people mentioning that this was a "huge job" but it took me maybe 30 minutes. And this fix will also work hook bushings that seizes onto the shaft and spins inside the housings.

Attached Thumbnails dsc08158.jpg   dsc08154.jpg   dsc08156.jpg  
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Old 12-27-2020, 08:07 AM
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Originally Posted by shasta5718 View Post
Good luck. I have one and it is still working, I did take it in a few years ago and the repairman said if it were more than an adjustment, he wouldn't be able to fix it as parts were thrown away when pfaff was bought out years ago.
Look at this group: https://groups.io/g/OldPfaffPforum . If you're serious about keeping this wonderful old machine they can help with ANYthing.
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Old 01-03-2021, 08:35 AM
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Originally Posted by MissMori View Post
I purchased a Pfaff 1222 at the DAV for $17 a couple weeks ago. Did you find a repair manuel somewhere online? Have you been able to get parts?
My 1222, purchased new in 1975, was supposed to be kaput a few years ago, but I found a technician who got it apart and said there was nothing wrong with it but 40+ years of gunk. He said he used a product you would use to free up gears in a car, or something like that. Anyway, good as new! And they said it was one of the best old workhorse machines made.
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