Returning Amount Of The Looper - JUKI MF-7800D Series Engineer's Manual

(8) Returning amount of the looper

1. It is the standard that returning amount of looper
5.9 mm regardless of the needle gauge when looper
5.9mm
2. Returning amount of looper for each gauge (dimension
Needle gauge
4.0
4.8
–
–
(Dimension is the dimension from the center of right needle to the top end of looper
A
A
Standard Adjustment
2-needle
Returning amount
A
3.9
3.5
–
–
from top end of looper
is in the extreme right position.
)
A
3-needle
Needle gauge Returning amount
–
–
5.6
6.4
– 22 –
to the center of needle bar is
Unit : mm
A
–
–
3.1
2.7
.)