[Sewing] incident report! artisan 618 needle bar replaced.

[rachel lyra hospodar]

Thanks for this report, Miloh! I didn't know noisebridge had a walking foot
now, very impressive.

Is there a regular textiles night right now?

Xoxxxxx
R.L.
On Mar 17, 2016 5:53 PM, "miloh" <froggytoad at gmail.com> wrote:

> Textile area Machine report:
>
> TL;DR
> In the future, when changing the needle on the artisan 618, be careful not
> to remove
> the set screw all the way to replace a needle.
>
>
> Kyle reports that today the needle fell out of the needle bar on the
> Artisan
> 618-1SC, (the artisan 618 is a $2k walking foot, an awesome artisinal
> straight stitch
> sewing walking foot machine at Noisebridge).
>
> When trying to reinstall the needle the set screw wouldn't tighten. Kyle
> determined this
> occured because the threads on the needle bar are stripped.
>
> It looks like when the needle was being replaced another time,  the needle
> bar set screw
> was removed all the way when replacing the needle. When the set screw was
> reinserted,
> it was cross threaded and stripped, so today wouldn't tighten to hold the
> needle.
>
> Fix :
>
> The needle bar had to be replaced (~$17 at Apparal City in SF's SOMA
> district)
> FYI, the apparal city tech offered to repair this onsite for $90. Kyle just
> bout the part and repaired himself in about 2 hours.
>
> Even though Kyle replaced the needle bar and set screw with a new one,
> this turned out
> to be a complicated repair involving disassembly and timing of the Artisan
> 618. One must
> remove both presser feet, the feed dog, the needle plate, and the hook
> assembly.
>
> When the hook and needle bar is removed, you are undoing the timing of the
> machine --- the hook rotates and the needle bar plunges in close timing
> with a
> half mm of tolerance. The machine has to be retimed for this repair, which
> is part of what
> makes it a difficult repair.
>
>
> Thanks Kyle!
>
> -r. miloh alexander
>
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>
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