– 8 –
Needle thread tension
Rotate to right to make the tension stronger.
9. THREAD TENSION
Looper thread tension
Rotate to right to make the tension stronger.
10. ADJUSTING THE REMAINING LENGTH OF TRIMMED THREAD (MH-481-4, MH-481-5,
MH-484-4, MH-484-5)
The length of the thread remaining on the needle after
thread trimming signifi cantly affects the occurrence of
stitch skipping at the beginning of sewing.
Loosen setscrew
1
and move wire drawing link
2
of the needle thread draw-out solenoid to the left to
increase the thread take-up amount of draw-out pin
3
.
This increases the length of thread remaining at the
bottom of the needle eyelet. On the contrary, moving
the link to the right decreases it.
Reduce the length of thread remaining on the needle
after thread trimming when using elastic thread such as
Tetoron thread and nylon thread.
Long
Short
2
1
3
WARNING :
To avoid possible personal injury due to abrupt start of the machine, turn off the power to the machine and check to be
sure that the motor has totally stopped rotating in prior.
[MH-481-4, MH-481-5, MH-484-4, MH-484-5]
[MH-481, MH-484]
To Next Page
Loading...
