Question about Tacsew Sewing Machines
Had a bobbin thread jam malfunction, now it stops with a klunk after hand rotating the machine about once. I cannot find what is stopping it. The needle goes down through the bobbin and back up, then stops, like it's hitting something.
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Posted on Jan 02, 2017
SOURCE: Timing problem
You might have to look at loosening the set screws for the gear on the lower shaft that drives the hook driver gear . Loosen the screws, slide the gears apart, then adjust the hook so it is entering the scarf of the needle on the upstroke. Slide the gears togeather so they mesh again and it should be back in time. There are other factors though such as needle height adjustment which is done with the needle bar and hook and needle clearance (the distance between the needle and hook) which should be about .030. I'm a Bernina tech but many machines work the same principle. Good luck.
Posted on Aug 23, 2007
Was all well and working before you did work on the bobbin area ?
Ensure the machine is unplugged & bobbin winder is set OFF as there is a clutch preventing the needle arm to operate when bobbin winding......remove the needle.
If you take the bobbin and hook out, can you manually rotate the handwheel forwards ?
If yes, this suggests they are not inserted quite right, or the timing is out of adjustment.
Can you rotate the handwheel backwards ? On some machines the clutch allows for reverse travel freely, but only around the 15 degrees you mention forward when the top cover is off.....there may be a broken or dislodged spring unit/armature inside top near the handwheel and bobbin winder assembly that is acting as though the top cover is open (a safety feature)....generally towards the rear of machine and acting like a log thrown into a gear.
This may help straight away, or only just start to unravell the cause....
If you want any more help with this, just post back here, or, drop a line through the "Contact Us" page at www.bargainbox.com.au
Posted on Mar 16, 2008
I had the same problem.. I think the bobbin used in this machine is no good I replaced mine.. It cost alot too.. but now I do not have any problems.. good luck
Posted on Aug 20, 2008
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