Adjusting The Needle Thread Guard; Position And Timing Of The Looper Thread Eyelet; Types Of Cams - KANSAI SPECIAL DFB Series Instruction

1 3 - 3 A d j u s t i n g t h e n e e d l e t h r e a d g u a r d
With the needle bar at the bottom of its stroke, the top
surface of needle thread guard A should be level and
parallel with the centers of the eyes on needle bar eyelet
B.
< Note >
Raising needle thread guard A increases the size of the needle
thread loop. Lowering needle thread guard A decreases the size
of the needle thread loop.
1 3 - 4 P o s i t i o n a n d t i m i n g o f t h e l o o p e r t h r e a d e y e l e t
When the point of the needle has reached the underside of
the looper blade while the needle bar is descending, the
looper thread eyelet bar should ascend.
With the looper thread eyelet bar at the bottom of its
stroke, adjust distance A between the eye on the looper
thread eyelet and the looper thread eyelet bar by referring
to the table below.
Thread type
Polyester (Tetoron)
Spun
Wooly
【14】PSM MECHANISM
1 4 - 1 T y p e s o f c a m s
There are 9 types of cams from No.1 to No.9 (9 types of standard patterns).
Various kinds of decorative stitches can be produced by a combination of 2 cams.
The inside cam moves the upper spreader.
spreaders and crosses spreader threads.
Distance A
8mm
10mm
15mm
26
The outside cam moves the lower two