.
Turn Clockwise Become Loose
Turn Counter-clockwise Become Tight
Needle thread sensor cable
Looper thread
sensor cable
Looper thread sensor cable
adjusting screw
Needle thread sensor
cable adjusting screw
Standard Position
Fine Tuning screw
12.Adjustment of Thread sensor cable
The NEEDLE THREAD SENSOR CABLE effects the timing of
Both NEEDLE THREAD and LOOPER THREAD.
The LOOPER THREAD SENSOR CABLE effects the timing of
LOOPER THREAD.
You are required to adjust NEEDLE THREAD SENSOR CABLE first.
Sewing Test with long poli - span thread
a) 1 Needle 3-thread nomal sewing
Needle
: Right Needle (O2)
Thread
: Long poli -span thread #60
or short poli - span thread #60
Loose stitch formation of needle thread
Stitch Width
: 5.0mm(Max)
and looper thread are acceptable.
Stitch Length
: 4 mm
Diff.
: N
Fabric
: Cotton broad 1layer
Stitch Selector
: B
b) 1 Needle 3-thread nomal sewing
Needle
: Right Needle (O2)
Thread
: Long poli -span thread #60
or short poli - span thread #60
Make sure good stitch formation.
Stitch Width
: 5.0mm(Max)
Stitch Length
: 2.0 mm
Diff.
: N
Fabric
: Cotton broad 1layer
Stitch Selector
: B
10
Summary of Contents for BL-101
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Page 43: ...4 0 9 0 1 0 3 Height of feed dog 4 Tension release Dropped feed dog adjustment A C B D E...