CONTENTS
PREPARATION FOR OPERATION
……………………………………………… 1
1
Installing the air cylinder assembly ……………………………………………… 1
2
Connecting the electric cables to the control box ……………………………… 1
3
Adjustment of the stitch length before trimming ……………………………… 3
4
Operation speed adjustment of instant alternating air cylinder ……………… 4
5
Height adjustment of the automatic presser foot lifter ………………………… 4
6
Adjustment of the needle stopping position ……………………………………… 5
USAGE PRECAUTION
……………………………………………… 6
1
Lubrication ( 1 ) ……………………………………………………………………… 6
2
Lubrication ( 2 ) ……………………………………………………………………… 6
3
Lubrication condition ………………………………………………………………… 7
4
Adjustment of lubrication to the rotating hook ………………………………… 7
5
Precaution for the built-in type detector ………………………………………… 7
6
Installation of the belt cover ……………………………………………………… 7
7
Precaution on operation …………………………………………………………… 7
HOW TO USE
……………………………………………… 8
1
Installation of the needle …………………………………………………………… 8
2
Winding of the bobbin thread ……………………………………………………… 8
3
Selection of the thread ……………………………………………………………… 9
4
Threading of the needle thread …………………………………………………… 9
5
Adjustment of feed (stitch) length and backstitch ……………………………… 10
6
Setting of the bobbin ………………………………………………………………… 10
7
Adjustment of the needle thread guide ………………………………………… 10
8
Threading of the bobbin thread …………………………………………………… 11
9
Adjustment of the bobbin thread tension ………………………………………… 11
:
Balance of threads tension ………………………………………………………… 11
A
Adjustment of the needle thread tension ………………………………………… 11
B
Adjustment of the presser foot pressure ………………………………………… 11
C
Adjustment of the outside presser foot and inside presser foot ……………… 12
D
Instant alternating switch ………………………………………………………… 13
E
The stopper screw for adjusting the maximum alternating stroke ………… 13
F
Installing the feed regulator bracket ……………………………………………… 14
G
Adjustment of the alternating stroke sensing potentiometer ………………… 14
H
Timing between the rotating hook motion and the needle motion …………… 15
I
Adjustment of the feed dog height ………………………………………………… 16
J
Relationship between the rotating hook motion and the thread take-up lever motion … 17
K
Relationship between the rotating hook motion and the opener motion …… 17
L
Relationship between the needle motion and the feed dog motion …………… 18
M
Safety clutch ………………………………………………………………………… 19
N
Adjustment of upper feed length (needle side) ………………………………… 20
O
Adjustment of forward/backward feed length ………………………………… 20
P
Installation of the movable knife …………………………………………………… 21
Q
Installation position of the thread trimmer cam ………………………………… 22
R
Adjustment of the thread trimmer cam ………………………………………… 22
S
Adjustment of the thread tension releasing ……………………………………… 23
T
Adjustment of meshing pressure between the movable knife and the fixed knife … 24
U
Sharpening of the fixed knife ……………………………………………………… 24
SPECIFICATIONS
……………………………………………… 25
