Originally Posted by
linmid
I have the 12000 and have had nothing but trouble with it shredding thread somewhere from the needle and the up and down arm. In 70 minutes of sewing it shredded 3 times. I changed needle, changed thread, checked for something close to the up and down arm but nothing helped.
this is retorical but have you tried taking the cover off the first thing the tread goes thru....I ran a piece of dentafloss thru that and the swing arm to see if it was catching somewhere.. it was...piece of thread inbedded in the arm...just a tiny piece but really chewed up and sticking. the 8900 is a very touchy b....ch LOL