Petelj Report post Posted February 11 We are trying to setup an old singer 236w100...I need help please. Should the bobbin be twice as tall as the bobbincase? This is way different from home sewing machines. Thanks Quote Share this post Link to post Share on other sites
Wizcrafts Report post Posted February 11 I have a different model Singer post machine. But, looking at the parts manual, the bobbin and case look similar to mine. My machine uses G size bobbins, which are the same ones used in the Singer 111 series. The bobbins fit inside and do not protrude above the top of the case. If they did, the spring loaded latch would not be able to close to keep the bobbin in place. Quote Share this post Link to post Share on other sites
Wizcrafts Report post Posted February 11 I researched the bobbins for the Singer 236 post machines. The Singer part number is: #233939. They are a different size and profile than the G bobbins my machine uses. Goldstar Tool sells them, on this page. Cutex sells 10 packs of bobbin #233939 even cheaper. Here's a parts and basic operations manual for the Singer model 236, if you need it. Quote Share this post Link to post Share on other sites
shoepatcher Report post Posted February 13 same bobbin as a 168 W101 Singer post. glenn Quote Share this post Link to post Share on other sites
Wizcrafts Report post Posted February 14 3 hours ago, shoepatcher said: same bobbin as a 168 W101 Singer post. glenn That is the G style bobbin that we rate at 1x capacity: the gold standard. I have 5 walking foot machines that use that same size bobbin. That is convenient, especially for prewound bobbins. Quote Share this post Link to post Share on other sites
