CONTENTS
PREPARATION FOR OPERATION
……………………………………………… 1
1
Adjustment of the needle stopping position ……………………………………… 1
USAGE PRECAUTION
……………………………………………… 2
1
Lubrication (1) ………………………………………………………………………… 2
2
Lubrication (2) ………………………………………………………………………… 2
3
Lubrication condition ………………………………………………………………… 3
4
Adjustment of lubrication to the rotating hook ………………………………… 3
5
Precaution for the built-in type detector ………………………………………… 3
6
Installation of the belt cover ……………………………………………………… 3
7
Precaution on operation …………………………………………………………… 3
HOW TO USE
……………………………………………… 4
1
Installation of needles ……………………………………………………………… 4
2
Winding of the bobbin thread ……………………………………………………… 4
3
Selection of the thread ……………………………………………………………… 5
4
Threading of needle threads ……………………………………………………… 5
5
Adjustment of feed (stitch) length and backstitch ……………………………… 6
6
Setting of bobbins …………………………………………………………………… 6
7
Threading of bobbin threads ……………………………………………………… 7
8
Adjustment of bobbin threads tension …………………………………………… 7
9
Balance of threads tension ………………………………………………………… 7
:
Adjustment of needle threads tension …………………………………………… 7
A
Adjustment of the presser foot pressure ………………………………………… 7
B
Timing between the rotating hook motion and the needle motion …………… 8
C
Adjustment of the feed dog height ……………………………………………… 9
D
Relationship between the rotating hook motion and the thread take-up lever motion … 10
E
Relationship between the rotating hook motion and the opener motion …… 10
F
Relationship between the needle motion and the feed dog motion …………… 11
G
Safety clutch ………………………………………………………………………… 12
H
Adjustment of upper feed length (needle side) ………………………………… 13
I
Adjustment of forward/backward feed length ………………………………… 13
J
Adjustment of the outside presser foot and the inside presser foot ………… 13
K
Installation of the movable knife …………………………………………………… 15
L
Installation position of the thread trimmer cam ………………………………… 16
M
Adjustment of the thread trimmer cam ………………………………………… 16
N
Adjustment of the thread tension releasing ……………………………………… 17
O
Adjustment of meshing pressure between the movable knife and the fixed knife …… 18
P
Sharpening of the fixed knife ……………………………………………………… 18
Q
Adjustment of the thread trimmer with changing the width between needles … 19
R
Installation of the solenoid arm …………………………………………………… 20
S
Removal procedure of the hook …………………………………………………… 20
SPECIFICATIONS
……………………………………………… 21
