Question about PfaFF Sewing Machines
Set screw on needle came loose - how is the timing set to position the needle correctly?
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Posted on Jan 02, 2017
SOURCE: Pfaff serger stuck
your needle bar has been pushed up and is out of adjustment. You need to take off the side cover, there should be a screw on the back of your machine holding it on. Remove this screw, and remove the cover.You may have to remove the light assembly to reach the screw on the needle bar. Once you can see the needle bar, rotate the handwheel until you can see the screw on the needle bar. Loosen this screw SLIGHTLY until you can turn the needle bar. Hold and rotate the needle bar back and forth as you push down slightly. This will lower the bar.Lower it about 1/4 inch. Adjust the needles by turning the bar so that they are straight across. Tighten the needle bar screw so that the bar doesn't move. Turn the handwheel to see if the threads will be picked up. If not, adjust until they are. Tighten the needle bar screw tightly,reinstall the side cover ,and tighten the screw. Change your needles.Rethead and sew.
Posted on Jun 17, 2008
ISBN 0-8019-8192-1(hc)? or ISBN 0-8019-8191-3(pb) by Naomi Baker & Tammy Young - "Know Your Pfaff Hobbylock" covers Pfaff Hobbylock: 797, 786, 784, 783 - Great book. This book is more helpful since it has detailed info pics in color- 182 pgs, @$3.00. Lists parts, projects, etc. The 786 manual has errors, 35 pgs. not detailed as the book above. Good luck! Fairlyart
Posted on Jul 19, 2009
The top hex screw I think holds the bushing that allows it to slide freely. Keep that loose. If you open the panel where the lightbulb lives and spin the wheel, you will see a small flathead screw come into sight near the top of the rotation, through a small round window in the case. Tightening this screw a bit should keep the needleshaft moving with the wheel. Unfortunately I am still trying to find out how to position it so that it's properly timed.
Posted on Jan 06, 2011
I have the same problem, thee needle holder shaft swirls from left to right, is very loose. Maybe there is a screw missing, but which one? Please look at the pictures.
Posted on Mar 01, 2013
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