Mitsubishi Electric LT2-2250-B1T, Instruction Manual

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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 and adjustment on lubrication to the thread take up lever … 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 ……………………………… 7
6
Adjustment of the needle thread guide ………………………………………… 7
7
Setting of bobbins …………………………………………………………………… 7
8
Threading of bobbin threads ……………………………………………………… 8
9
Adjustment of bobbin threads tension …………………………………………… 8
:
Adjustment of needle threads tension …………………………………………… 8
A
Adjustment of the thread take up spring ………………………………………… 8
B
Timing between the rotating hook motion and the needle motion …………… 9
C
Adjustment of the presser foot pressure ………………………………………… 10
D
Adjustment of the feed dog height ……………………………………………… 11
E
Relationship between the rotating hook motion and the thread take-up lever motion … 12
F
Relationship between the rotating hook motion and the opener motion …… 12
G
Relationship between the needle motion and the feed dog motion …………… 13
H
Operation of the needle bar (left or right) ………………………………………… 14
I
Relationship between angle of the corner stitching and stitch length ……… 14
J
Adjustment of the corner stitching device “0” position ……………………… 15
K
Adjustment of the corner stitching device / height of the needle bar ……… 15
L
Installation position of the feed cam ……………………………………………… 16
M
Adjustment of forward/backward feed length ………………………………… 16
N
Installation of the movable knife …………………………………………………… 17
O
Installation position of the thread trimmer cam ………………………………… 18
P
Adjustment of the thread trimmer cam ………………………………………… 18
Q
Adjustment of the holding pressure of the bobbin thread …………………… 19
R
Adjustment of the thread tension releasing ……………………………………… 20
S
Adjustment of meshing pressure between the movable knife and the fixed knife … 21
T
Sharpening of the fixed knife ……………………………………………………… 21
U
Adjustment of the thread trimmer with changing the width between needles … 22
V
Installation of the solenoid arm …………………………………………………… 23
W
Removal procedure of the hook …………………………………………………… 23
SPECIFICATIONS ……………………………………………… 24