8
5555----6 Looper left
6 Looper left
6 Looper left
6 Looper left----to
to
to
to----right movement
right movement
right movement
right movement
This adjustment should be made when the needle is
at position 1 (see 5-2). When the point of the
looper, moving to the left, has reached the left side
of the needle, it should be 1mm above the top of the
needle's eye. When the point of the looper, moving
to the right, has reached the left side of the needle,
it should be 0.2mm above the top of the needle's
eye.
The looper moves 0.8mm faster than the needle (see
the illustration on the right).
For PX302-5W when the needle is at position 2.
■
Adjustment is made by loosening three screws F.
After the adjustment, tighten these three screws
equally.
5555----7 Looper/needle front
7 Looper/needle front
7 Looper/needle front
7 Looper/needle front----to
to
to
to----back relationship
back relationship
back relationship
back relationship
Adjust when the needle is at position 3 or 5 (see
5-2).
When the point of the looper is at the center of the
needle, there should be a clearance of 0mm between
the needle and the looper.
Adjustment is made by loosening screw A.
5555----8 Looper setting distance
8 Looper setting distance
8 Looper setting distance
8 Looper setting distance
Check the looper setting distance by referring to the table below.
If the looper setting distance is not correct, perform 5-4, 5-5 procedure again.
Needle position
Setting distance
(mm)
1, 4
5.5
2, 6
4.7
3, 5
5.8
＜
＜
＜
＜
M
M
M
M odel
odel
odel
odel
：
：
：
：
302
302
302
302 ----4W
4W
4W
4W
＞
＞
＞
＞
＜
＜
＜
＜
M
M
M
M odel
odel
odel
odel
：
：
：
：
302
302
302
302 ----5W
5W
5W
5W
＞
＞
＞
＞
Needle position
Setting distance
(mm)
1, 5
5.5
2, 8
4.2
3, 7
4.8
4, 6
6
