JUKI MF-7700 Series - STANDARD ADJUSTMENT; Threading the Machine Head

–5 –
5. STANDARD ADJUSTMENT
1. Threading for standard seame
(Caution) In case of threading for standard seams, rocking thread take-up thread guide 5 is not used.
(Caution) In case of the soft seams, rocking thread take-up thread guide 5 is used.
2
When covering thread is
excessively tense = D
When covering thread is
excessively loosened = B
When covering thread is
excessively loosened even
after passing B = C
B
C
D
1
Broken lines A when stretcher
thread is used
A
Standard Adjustment
(1) Threading the machine head
2. Threading for soft seams
(1) Do not pass needle thread through needle bar thread take-up 8.
(2) When soft seams are required, change the threading of needle thread and slide the position of looper thread cam
eyelet.
(3) Do not pass needle thread through needle bar thread take-up 8. Pass the thread from rocking thread take-up 9 to
rocking thread take-up thread guide 5.
(4) Other points are same as those of “1. Threading for standard seame”.
In case of soft seams
Engraved marker line
Left
Right
7
5
When using more
stretchable thread
When using less
stretchable thread
3
8
9
5
E
1
2
4
5
3