Table Of Contents - Mitsubishi Electric LT2-2250-B1T Instruction Manual

PREPARATION FOR OPERATION
1 Adjustment of the needle stopping position ............................................. 1
USAGE PRECAUTION
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
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
CONTENTS
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...................................................... 24