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(Summer is working on preparing the manual for upload.)
 
(Summer is working on preparing the manual for upload.)
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Please refer to the manual to learn the anatomy of the machine. You will need to know how to replace a broken or damaged needle. The needle must be seated with the scarf to the right.
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https://en.wikipedia.org/wiki/Sewing_machine_needle
    
·      Anatomy of the machine making certain they can identify everything they need to get through the safety protocol.
 
·      Anatomy of the machine making certain they can identify everything they need to get through the safety protocol.
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·      The anatomy of a needle, so they insert it facing the correct direction—scarf to the right.
      
·       Question proving they know the difference between S- and Z-twist in thread and how that relates to proper threading of the machine. Attach the diagram, or insert a link to the diagram. (Because if they use thread with the wrong twist for the needle, the machine will jam up.)
 
·       Question proving they know the difference between S- and Z-twist in thread and how that relates to proper threading of the machine. Attach the diagram, or insert a link to the diagram. (Because if they use thread with the wrong twist for the needle, the machine will jam up.)
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https://makernexuswiki.com/wiki/Consew_206RB-4_Walking_Foot_Industrial_Sewing_Machine This is the wiki for some folks who have a very similar machine. Most of their links look good, but should be viewed before being adopted--just to be sure they're relevant. The text is very good--terms and directions are clear and correct; I'd imitate that as much as possible.
 
https://makernexuswiki.com/wiki/Consew_206RB-4_Walking_Foot_Industrial_Sewing_Machine This is the wiki for some folks who have a very similar machine. Most of their links look good, but should be viewed before being adopted--just to be sure they're relevant. The text is very good--terms and directions are clear and correct; I'd imitate that as much as possible.
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https://en.wikipedia.org/wiki/Sewing_machine_needle--The scarf of the needle is referred to in the directions for changing the needle in the operating instructions manual for the machine.
      
https://www.superiorthreads.com/education/thread-twist-explained--'S' and 'Z' twists are very clearly explained. On the Consew you must use 'left twisted thread for upper/needle thread, but you can use either right or left twisted thread for lower/bobbin thread.' According to the folks at Superior the terms left and right twist are not correct terminology. They have a video embedded in the article that explains everything. The Consew needs Z-twist for the needle; Z-twist is the same as left twist. It might be nice to have a loupe among our tools, so students can check this before they thread the machine.
 
https://www.superiorthreads.com/education/thread-twist-explained--'S' and 'Z' twists are very clearly explained. On the Consew you must use 'left twisted thread for upper/needle thread, but you can use either right or left twisted thread for lower/bobbin thread.' According to the folks at Superior the terms left and right twist are not correct terminology. They have a video embedded in the article that explains everything. The Consew needs Z-twist for the needle; Z-twist is the same as left twist. It might be nice to have a loupe among our tools, so students can check this before they thread the machine.
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