I have a Singer model # 648 touch n sew machine ,the bobbin holder isnt rotating when turning the hand wheel, but turns when turning the bottom drive shaft, the top drive shaft also turns when turning bottom shaft, but the top shaft does not turn when turning the hand wheel,the gear on top turns tho. so how do I fix this problem so the bobbin will rotate?
Sounds like you might have a broken gear in the transmission. Since the Touch and Sew series (aka Touch and Swear, Sew and Throw, etc.) are so touchy about adjustments, I'd probably take this one to a good sewing machine mechanic and let him/her do the heavy lifting on this.
Parts diagrams: http://parts.singerco.com/CPpartCharts/6_6999/648E3_648E6_648E7.pdf
More: http://www.tandtrepair.com/600TandSstuff.html
(Sorry, but this is the era when Singer suddenly veered into the weeds.)
SOURCE: How to set timming on Singer Touch & Sew 638 Sewing Machine
Hi,
I have a timing problem with my Touch&Sew Singer model 638.
Jean
r[email protected]
SOURCE: bobbin filling on Singer 626
The Singer 626 has a self-winding bobbin. You place the empty bobbin in the bobbin thingie (sorry for being so untechnical). On the left of the bobbin you will see a "lever" with a circular top on it (I think it is red-ish) Again, sorry for being so untechnical. Press the "lever" down. Thread your machine, thread the needle, wrap the excess thread from the needle around the knob that tightens the needle and holds it in place and press your foot down on the foot pedal. The bobbin will automatically wind as you hold the foot pedal down. Do not wind the thread onto the bobbin past the outer white line.
SOURCE: Rotating Hook won't fully turn-Singer 2210
The nylon gear driving the hook has probably broken a tooth. Replacements are available if you search the web.
Make sure you get the matched set of driving gear and driven gear.
SOURCE: Singer Sewing Machine model 9224. Bobbin thread
If you turn the handwheel, can you see a metal ring rotating around the outer edge of the bobbin case? If not rotating, broken gear or timing belt off.
If that ring is turning, remove the needle plate and bobbin case. As this ring now rotates, you will a finger on the ring that will pass behind the needle from right to left and it should catch the thread from the eye of the needle. If this finger, the "hook" passes above the eye, you have a timing problem.
Let me know.
SOURCE: I have a Singer Touch N Sew Model 636. The
I had a Golden Touch 'N Sew many years ago and as the machine aged and parts became worn, step 4 of this bobbin winding diagram started to become a problem and I had to sometimes try several times before the "tabs" would release. If they did not release, the machine "thought" it was still winding the bobbin and would not sew.
http://www.sewusa.com/Threading_Diagrams/Threading_Pages/Singer_Sewing_Machine_Threading/singer_2001_touch_tronic_threading_diagram.htm
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