Brother BE-1201B-AC-PC - Manual (Page 51)

BE-0901E-AC-PC• BE-1201B-AC-PC 2-23
Chapter 2 Preparation of Embroidery Machine
! ! ! ! Adjustment of upper thread
Adjust upper thread tension to 0.7~1.3N
when the thread is pulled at the needle bar
thread guide.
* Correct adjustment
Turn the upper thread tension dial so that the
needle thread can be pulled to the back of
the material and that the lower stitch width
will be about 1/3 of the upper stitch width.
3-6 Adjustment of Thread Tension
W1659 W1660
W1661 W1662
! ! ! ! Adjustment of tension spring
W1663 W1664
1. The tension spring should be adjusted to 6~8 mm in height and 0.07~0.12 N in force.
0.7~1.3N
Upper stitch
width
Upper
thread
Lower
thread
Lower stitch
width
[1]
[2]
0.07~0.12N
6~8mm
[3]