CONTENTS
USAGE PRECAUTION
……………………………………………… 1
1
Lubrication (1) ………………………………………………………………………… 1
2
Lubrication (2) ………………………………………………………………………… 1
3
Lubrication condition ………………………………………………………………… 2
4
Adjustment of lubrication to the rotating hook ………………………………… 2
5
Installation of the belt cover ……………………………………………………… 2
6
Precaution on operation …………………………………………………………… 2
HOW TO USE
……………………………………………… 3
1
Installation of needles ……………………………………………………………… 3
2
Winding of the bobbin thread ……………………………………………………… 3
3
Selection of the thread ……………………………………………………………… 4
4
Threading of needle threads ……………………………………………………… 4
5
Adjustment of feed (stitch) length and backstitch ……………………………… 5
6
Setting of bobbins …………………………………………………………………… 5
7
Threading of bobbin threads ……………………………………………………… 6
8
Adjustment of bobbin threads tension …………………………………………… 6
9
Balance of threads tension ………………………………………………………… 6
:
Adjustment of needle threads tension …………………………………………… 6
A
Adjustment of the presser foot pressure ………………………………………… 6
B
Timing between the rotating hook motion and the needle motion …………… 7
C
Adjustment of the feed dog height ………………………………………………… 8
D
Relationship between the rotating hook motion and the thread take-up lever motion … 9
E
Relationship between the rotating hook motion and the opener motion …… 9
F
Relationship between the needle motion and the feed dog motion …………… 10
G
Safety clutch ………………………………………………………………………… 11
H
Adjustment of upper feed length (needle side) ………………………………… 12
I
Adjustment of forward/backward feed length ………………………………… 12
J
Adjustment of the outside presser foot and the inside presser foot ………… 12
SPECIFICATIONS
……………………………………………… 14
From the library of Superior Sewing Machine & Supply LLC - www.supsew.com