Silvercrest Overlock SON 90 A1

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Silvercrest Overlock SON 90 A1

MachineInfoBox

Silvercrest Overlock SON 90 A1

Synonyms: DE: Overlock-Nähmaschine
Material: Fabric, Thread
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Manual: manualslib
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Settings and consumables

Property Range or type
Threads 2, 3 or 4
Needles 1 or 2; HA × 1 No. 11–14 or 130/705 No. 75–90
Stitch length 1–4 mm
Seam width Right needle: 3.0–4.5 mm; left needle: 5.2–6.7 mm
Differential feed 1:0.7–1:2.0

Threading

For a complete 4-thread setup, thread the machine in this order:

  1. upper looper — red
  2. lower looper — yellow
  3. right needle — green
  4. left needle — blue

Refer to the manual (page 10, if you need to thread from scratch, page 17, if you need to change once specific thread). A visual explanation can be found on YouTube.

Basic use

  1. Extend the thread stand fully and fit the waste container.
  2. Check the threading, needle position, knife position and selected settings.
  3. Make a test seam on a scrap of the same fabric. Adjust one setting at a time using the tables in the manual.
  4. Lower the presser foot and guide the fabric edge towards the knife. Let the feed dogs move the fabric.
  5. At the end of the seam, continue sewing until a thread chain of approximately 5 cm has formed.
  6. Switch off the machine and remove fabric scraps and loose threads.

Cleaning and maintenance

Unplug the machine before cleaning or maintenance.

  • Regularly remove lint and fabric scraps from the looper and knife area with the supplied brush.
  • Wipe the exterior with a slightly damp cloth.
  • Lubricate only the points shown in the manual and use sewing-machine oil only.
  • Stop using the machine and report the problem if a needle or knife is damaged, the machine jams or it no longer cuts cleanly.

This tool is not ready for use yet since not all commissioning steps have been completed. The process is not yet tracked on GitHub. Feel free to contribute to making it usable, any help is very welcome!

Task comment Status
Name the tool: Silvercrest Overlock SON 90 A1 Done
Take a picture - pending
Find the manual as PDF needed for all machines - add a link to the InfoBox or comment where you could not find it pending
Documentation this page, status: in commissioning pending
Print QR-Code use the MachineQR Factory pending
Introduction - pending
Security Check to be done or witnessed by a manager pending
Test to be done or witnessed by a manager pending
tool's name, owner and approx. value provide to Johannes for inventorization pending
Last step: make it available physically and in the wiki - then delete this template pending


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