Bernina 1150MDA Owners Manual - Page 14

Notes, Sergers, Adjusting Tensions, continued - how to thread a serger

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Sergers Adjusting Tensions, continued Upper Looper - Increased Tension Adjust the upper looper thread tension lever to 7 to increase the tension on the looper thread. Serge the third piece of folded fabric, cutting off the fold. Examine the sample. The looper threads do not lock on the edge of the fabric. The lower looper thread is pulled tightly to the front of the stitch. Label, trim, and mount the sample. Upper Looper - Decreased Tension Change the upper looper thread tension lever to 2 to decrease the tension on the looper thread. Serge the fourth piece of folded fabric, cutting off the fold. Examine the sample. The looper threads do not lock on the edge of the fabric. The upper looper thread is visible on the back of the fabric. The looper threads are very loose. Label, trim, and mount the sample. Return the thread tension levers to normal. Mastering Your BERNINA® Notes MASTERING YOUR BERNINA® SERGERS 6/2006 14 ©2006 BERNINA® of America, Inc. Permission to copy and distribute in printed and electronic formats granted only to Authorized BERNINA® Dealers

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Notes
M
ASTERING
Y
OUR
BERNINA
®
S
ERGERS
6/2006
14
©2006 BERNINA
®
of America, Inc.
Permission to copy and distribute in printed and electronic formats granted only to Authorized BERNINA
®
Dealers
Mastering
Your
BERNINA
®
Sergers
Adjusting Tensions, continued
Upper Looper - Increased Tension
Adjust the upper looper thread tension lever to 7 to increase the
tension on the looper thread.
Serge the third piece of folded fabric, cutting off the fold.
Examine the sample. The looper threads do not lock on the edge
of the fabric. The lower looper thread is pulled tightly to the front
of the stitch.
Label, trim, and mount the sample.
Upper Looper - Decreased Tension
Change the upper looper thread tension lever to 2 to decrease the
tension on the looper thread.
Serge the fourth piece of folded fabric, cutting off the fold.
Examine the sample. The looper threads do not lock on the edge
of the fabric. The upper looper thread is visible on the back of the
fabric. The looper threads are very loose.
Label, trim, and mount the sample.
Return the thread tension levers to normal.