Mitsubishi LS2-190 - Page 19

thread leaves the picker at thread trimming and will
be trimmed with short thread end, thus the thread may
come off the needle.
On the contrary, the picker comes into contact with
the bobbin when the gap is adjusted too shortly, making
impossible rotation of the bobbin, thereby bobbin thread
is trimmed too short causing skipped stitch at starting.
0.5~1 an
Bobbin
Picker
I'-l.bBa
W
Picker
drive plate
(D
Fig, 8
4..2,4.
Adjustment of needle thread tension releasing
1) Securely clamp the flexible wire end sleeve witn the holder (2)
2) Hold the wire (g) by the plate © .
Lightly pull the wire to
eliminate slack of the wire
and tighten the screw ® .
Note: Turn the balance wheel
by hand to actuate the
thread trimmer and
make sure the tension
discs open about 1mm.
Fig. 9
- 17 -
(g) Flexible wire
"About 1mm
Tension regulator casing
From the library of: Superior Sewing Machine & Supply LLC