Adjustment Of Thread Tension - Brother BES-1240BC Instruction Manual
Nine needle four head electronic embroidery machine; twelve needle four head electronic embroidery machine
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Also See for BES-1240BC:
- Parts manual (143 pages) ,
- Maintenance manual (14 pages) ,
- Referencia de máquina (14 pages)
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Chapter 2 Preparation of Embroidery Machine
3-6 Adjustment of Thread Tension
0.7~1.3N
(70~130gf)
Adjustment of tension spring
1. The tension spring should be adjusted to 6~8 mm in height and 0.07~0.12 N (7~12 gf) in force.
56
Upper stitch
width
Upper
thread
Lower
thread
Lower
stitch
width
q
6~8mm
BES-940BC • BES-1240BC
Adjustment of upper thread
Adjust upper thread tension to 0.7~1.3N (70~130
gf) 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.
w
0.07~0.12N
(7~12gf)
e
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