CONTENTS
FOR YOUR SAFETY
………………………………………………………………1
USE OF THE ENVIRONMENT
……………………………………………………2
1.
STRUCTURE OF HLK-3020(TH) SEWING MACHINE
……………………3
2.
SPECIFICATION
………………………………………………………………3
3.
INSTALLATION
…………………………………………………………………4
3-1.
Installation of the control box
…………………………………………………4
3-2.
Installation of the power switch
………………………………………………4
3-3.
Connection of the foot switch
…………………………………………………5
3-4.
Installation of the sewing machine head
………………………………………5
3-5.
Connection of electric cables
…………………………………………………6
3-6.
Installation of spool stand
………………………………………………………7
4.
OILING
…………………………………………………………………………8
5.
PROPER OPERATION
…………………………………………………………8
5-1.
Installation of the needle
………………………………………………………8
5-2.
Threading the upper thread
……………………………………………………8
5-3.
Winding the bobbin thread
……………………………………………………9
6.
PROPER SEWING
……………………………………………………………10
6-1.
Operation of the emergency switch
…………………………………………10
6-2.
The sewing operation
…………………………………………………………10
6-3.
Adjustment of the thread tension
……………………………………………11
6-4.
Removing and inserting the bobbin
…………………………………………11
7.
ADJUSTMENT OF SEWING MACHINE
……………………………………11
7-1.
Adjusting of needle bar height
………………………………………………12
7-2.
Adjusting of distance between needle and shuttle hook point
……………12
7-3.
Adjustment of the clearance between the hook driver and the needle
……12
7-4.
Adjustment of the presser foot
………………………………………………13
7-5.
Adjustment of the mechanical home position
………………………………14
7-6.
Adjustment of x and y timing belt tension
…………………………………15
8.
MAINTENANCE
………………………………………………………………15
8-1.
Daily maintenance
……………………………………………………………15
8-2.
Drain of waste oil
………………………………………………………………15
PARTS CATALOG
………………………………………………………………16
Summary of Contents for HLK-3020
Page 18: ...A ARM BED AND ITS ACCESSORIES 16 16...
Page 21: ...B NEEDLE BAR AND THREAD TAKE UP MECHANISM 19 19...
Page 24: ...C LOWER SHAFT MECHANISM 22 22...
Page 27: ...D CENTER PRESSER FOOT MECHANISM 25 25...
Page 29: ...E UPPER FEED LIFTING ROCK SHAFT MECHANISM 27 27...
Page 31: ...F Y MECHANISM 1 29 29...
Page 33: ...G Y MECHANISM 2 31 31...
Page 35: ...H X MECHANISM 33 33...
Page 37: ...I PRESSER FOOT MECHANISM 35 35...
Page 39: ...J ELECTRICAL PARTS 37 37...
Page 41: ...K BOBBIN WINDER MECHANISM 39 39...
Page 43: ...L ACCESSORIES 41 41...