10
M
M
M
M
M
M
M
M
A
A
A
A
A
A
A
A
C
C
C
C
C
C
C
C
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
【
8
】
ADJUSTING THE STITCH FORMATION
8888----1 Adjusting the looper thread eyelets
1 Adjusting the looper thread eyelets
1 Adjusting the looper thread eyelets
1 Adjusting the looper thread eyelets
Align the eyes on the looper thread eyelets A with the
center line of the shaft. Adjust looper thread eyelets A
according to sewing conditions such as the fabric or
thread to be used by loosening screws B.
To increase the amount of the thread to be supplied,
move the eyelets backward. To decrease the amount
of the thread to be supplied, move the eyelets
frontward.
Thread guide C should be 6~7mm above the guide
plate.
Adjustment is made by loosening screw D.
8888----2 Position of the looper thread take
2 Position of the looper thread take
2 Position of the looper thread take
2 Position of the looper thread take----up
up
up
up
When the bottom of the needle's eye has reached the
top surface of the needle plate while the needle is
descending, the looper thread taken up by looper
thread take-up E should be removed from the looper
thread take-up at point F. Adjustment is made by
screw G.
8888----3 Adjusting the needle thread guard
3 Adjusting the needle thread guard
3 Adjusting the needle thread guard
3 Adjusting the needle thread guard
With the needle bar at the bottom of its stroke, the
centers of eyes on needle bar thread eyelet A should be
level with the top surface of needle thread guard B.
Adjustment is made by screw C.
To tighten the needle thread, move up needle bar
thread eyelet A. To loosen the needle thread, move
down needle bar thread eyelet A.