Bobbin knotting issues

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   I  have just received a PFAFF 1222 from a relative (I think it's a 1975 model).  I am just learning hot to use it.  
I have got everything set up OK, but every time I try to sew anything (on plain No.2 stitch), the material stays where it is and the threads get knotted up in one big ball under the fabric, in the bobbin hole area, and I have to start all over again.  I have checked the settings, and all seems OK.  It had a tune up last year.  What could be wrong?  Tension?  How do you adjust that?

Thanks

Sumi x x x

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Sumi Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 04 December 2007 Status: Offline Points: 1	Post Options Post Reply Quote Sumi Report Post Thanks(0) Quote Reply Topic: Bobbin knotting issues Posted: 04 December 2007 at 2:50pm
	I have just received a PFAFF 1222 from a relative (I think it's a 1975 model). I am just learning hot to use it. I have got everything set up OK, but every time I try to sew anything (on plain No.2 stitch), the material stays where it is and the threads get knotted up in one big ball under the fabric, in the bobbin hole area, and I have to start all over again. I have checked the settings, and all seems OK. It had a tune up last year. What could be wrong? Tension? How do you adjust that? Thanks Sumi x x x

David Shaver Members Profile Send Private Message Find Members Posts Add to Buddy List Forum Member Joined: 25 April 2005 Location: Ontario, Canada Status: Offline Points: 38	Post Options Post Reply Quote David Shaver Report Post Thanks(0) Quote Reply Posted: 05 December 2007 at 3:55pm
	Sumi, I am not familiar with the Phaff. However try sewing without any thread in the machine and see if the fabric feeds ok. If no, is the there a way to life the feed dogs? or is there an adjustment for the pressure foot pressure. If the fabric feeds then Matt or others can reply. David
	David Shaver

MattGrant Members Profile Send Private Message Find Members Posts Add to Buddy List Admin Group Sailrite Employee - Expert Joined: 21 April 2005 Location: United States Status: Offline Points: 3012	Post Options Post Reply Quote MattGrant Report Post Thanks(0) Quote Reply Posted: 05 December 2007 at 8:06pm
	Sumi, David is right about testing without thread. I bet you find it feeds fine with no thread. If this is the case then you should check your threading path. It almost sounds like a case of no upper tension at all. Without adequate tension the thread will simply get all knotted up on the underside of the fabric and material feeding will cease to function (everything gets stuck). Also what size thread are you using? Some home machines have a hard time sewing anything larger than V-69. Thanks, Matt