Question about PfaFF Sewing Machines
Unlikely you will have problems with the tension springs, make sure you have the thread coming from the bobbin with only the slightest tension, failing that your machine may be slightly out of time
Posted on Oct 21, 2013
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Posted on Jan 02, 2017
I don't have the same brand as yours, but on my machine there is a little screw on the bobbin case that you tighten to increase the bobbin tension. If you've got one, turn it 1/8 to 1/4 turn at a time.
Posted on Jan 24, 2009
SOURCE: Adjusting tension when stippling
Yes you should lower the feed dogs for free motion sewing. The tension can be set higher as required. A perfectly tuned up machine uses a setting of 5 but don't be afraid to go higher to get rid of the looping on the bottom.
Also, oil your hook every 8hrs with Pfaff hook oil (which is lighter weight than regular sewing machine oil) if you have it, otherwise use white sewing machine oil. Looping on the bottom can be caused by a dry hook.
Posted on Feb 01, 2009
SOURCE: thread or bobbin tension
Thread tension. Beware of adjusting the bobbin screw. Pfaffs maintain their tensions just fine without adjusting the bobbin tension, unless you're using some crazy thick or fine thread. If you must change your bobbin tension, you would be well-advised to buy an extra bobbin case, because re-calibrating your tensions after changing them can be less than fun.
Increase your top tension, and your looping should cease. I normally keep my tension around 4.5. Also make sure you're using a good quality thread, and that there's nothing in the upper tension assemblies. Sometimes a tiny piece of debris can keep the top tension from applying enough tension, so turning the machine off and blowing some canned air in there can help as well.
Posted on Mar 11, 2009
Rule of thumb.. Loops on the bottom, problem on the top. Loops on the top, problems on the bottom.
Set your upper tension at 4, and rethread the machine from the top. Just before you thread the needle, but the presser foot down. If the thread pulls right thru easily, then the thread is not thru the tension wheel right. Because, if you can't pull the thread thru with the presser foot down, you have it threaded right.
Posted on Apr 25, 2009
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