Table Of Contents - HIGHLEAD GC24698-1L Instruction Manual

--- CONTENTS ---
Instruction Manual
• Preparation for operation .............................................................. 1
1 , Safety precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2, Precautions before starting operation ....................................................... 1
3, Precautions for operating conditions ....................................................... 1
• Cautions on use ...................................................................... 2
1, Lubrication ( 1) ........................................................................ 2
2, Lubrication (2) ....................................... , ................................ 2
3, Oiling condition ....................................................................... 2
4, Cautions on operation .................................................................. 2
Operation ............................................................................... 2
l,
Installation of needles ................................................................
2
2,
Winding of bobbin thread .............................................................
3
3,
Selection of thread ...................................................................
3
4,
Threading of needle threads ...........................................................
3
5,
Adjustment of stitch length and reverse sewing .........................................
:~
6,
Balance of thread tension .............................................................
3
7,
Needle thread tension .................................................................
4
8,
Adjustment of presser foot pressure ....................................................
4
9,
Timing between rotating hook motion and needle motion .................................
4
1
o,
Adjustment of feed dog height .......................................................
4
11,
Relationship between rotating hook motion and take-up lever motion .....................
5
12,
Relationship between needle motion and feed dog motion ...............................
5
13,
Safety clutch device .................................................................
6
14,
Upper feed adjustment ..............................................................
6
15,
Outside presser foot and inside presser ve1iical stroke adjustment ........................
6
16,
Adjustment ........................................................................
7
16,
Installation of Belt cover ............................................................
7
Parts Catalog
A, ARM BED AND ITS ACCESSORIES ..................................................... 8
8, THREAD TENSION REGULATOR MECHANISM ......................................... 10