7-2 Timing of the looper to the needle
■
Turn the hand pulley B pressing push button A
lightly until the push button touches an inside parts
and clicks. And align mark C with the scale no.3 on
the hand pulley B. (Refer to 11-4 stitch length
adjustment on page no.16.)
■
Detach your hand from the push button A.
Then turn the hand pulley B and align mark C with
the scale LT on the hand pulley B.
■
In this case, turn the hand pulley and check that the
point of looper is 1.6~1.8mm above the needle eye
when the point of looper, moving both to the right
and to the left, reach to the center of the needle.
■
In the beginning, the stitch length would be
adjusted to scale no.3. If you need to change it,
procedures are as follows. Remove the rubber plug
F and loosen screw H (2pcs) in the looper eccentric G
to adjust appropriate timing.
Make sure tighten screws H again one by one.
< Note>
Before adjusting machine, be sure to turn off the
motor.
11
F
F
B
B
X
X
s
s
e
e
r
r
i
i
e
e
s
s
