Bernina bobbin tension
#11
Super Member
Join Date: May 2011
Location: Pacific NW
Posts: 9,444
Personally I think it's hogwash. Check your manual to see if there are instructions on how to adjust your bobbin tension. I own several sewing machines; Brother, Pfaff, Janome, Singer, and I can adjust the bobbin tension on all of them.
#12
Super Member
Join Date: Jan 2012
Location: The Colony, TX
Posts: 3,364
The most recent Bernina tech guy, the one who made the bobbin tension tight, said I should never adjust the bobbin tension myself, but that only a tech guy should do it at each annual service.
Do others agree, or are all of you adjusting the bobbin tension yourselves?
And why would two Bernina dealers have totally different ideas about what is the correct bobbin tension?
Isn't there a right and a wrong answer on this?
Do others agree, or are all of you adjusting the bobbin tension yourselves?
And why would two Bernina dealers have totally different ideas about what is the correct bobbin tension?
Isn't there a right and a wrong answer on this?
#13
Super Member
Join Date: Jan 2012
Location: The Colony, TX
Posts: 3,364
#14
Super Member
Join Date: Jan 2012
Location: The Colony, TX
Posts: 3,364
#15
Junior Member
Thread Starter
Join Date: Sep 2012
Posts: 109
OK so to confirm before I adjust the bobbin tension:
I have a Bernina 350. I plan to use the Bernina screw driver, and twist the screw on the bobbin to the left one click, IE going from 3 o'clock to 2 o'clock?
Then test it out, does this sound right?
I have a Bernina 350. I plan to use the Bernina screw driver, and twist the screw on the bobbin to the left one click, IE going from 3 o'clock to 2 o'clock?
Then test it out, does this sound right?
#17
Power Poster
Join Date: Jan 2011
Location: Southern USA
Posts: 16,069
That's not true. Anyone can adjust tension on a bobbin case. It's not a skill. It's recommended to turn it one teeny tiny turn in one direction at a time then the other direction, until you get the stitch you want. Great info here:
http://www.superiorthreads.com/educa...sion-adjusted/
http://www.superiorthreads.com/educa...sion-adjusted/
#18
The best way I know to check stitches is to thread machine and bobbin in contrasting colors. Most of the adjustments I make on my Bernina 630E is simply with the tension settings. I have been told that the only changes to a bobbin must be very, very slight.
#19
Super Member
Join Date: May 2012
Location: S.E. Queensland, Australia
Posts: 1,465
Lainey, This guy is having you on, or doesn't know what he's talking about. Do you have a manual? It should tell you how to take the bobbin and casing out, and which screw (if there's a choice) to turn to loosen it. The test you saw online is correct. Just unscrew a half-turn at a time till you're happy with the result.
#20
The safest/smartest thing to do is buy a second bobbin case, imo. One that stays as the dealer adjusts and one that you use in cases when you want to adjust the lower tension yourself, for heavy bobbin threads for example. It not only maintains the dealer setting 'as is' on one, it also guarantees that you can still sew if you should happen to drop/lose the screw while adjusting the other.
Last edited by ghostrider; 04-05-2015 at 05:14 AM.
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