Free-Arm Sewing (Removing The Bed Extension); Looper Thread Tension Adjustment Lever - Brother 884-B31 Operation Manual

Free-arm sewing
(removing the bed extension)
Free-arm sewing enables tubular pieces to be
sewn more easily.
1. Remove the bed extension.
1
1 Bed extension
NOTE:
Be careful not to lose the removed bed
extension.
2. Position the fabric, and then start sewing.
(See CHAPTER 5.)
Looper thread tension
adjustment lever
With the looper thread tension adjustment lever,
fine adjustments can be made to the looper thread
tension. When sewing stretch fabric or with a small
stitch length, raise the lever to increase the tension
of the looper thread. When sewing non-stretch
fabric or with a large stitch length, lower the lever
to reduce the tension of the looper thread.
1
2
1 Raise the lever to increase the tension of the looper thread.
2 Lower the lever to reduce the tension of the looper thread.
<A> Looper thread tension adjustment lever
„ Non-stretch fabric such as serge
Reduce the tension of the looper thread.
Lever position: Center
„ Stretch fabric such as smooth knit
Increase the tension of the looper thread.
Lever position: Center
Lever position: Down
Lever position: Up
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