CONTENTS
XI
INSTRUCTION MANUAL
1.NAMES OF MAJOR PARTS………………… 1
2.MACHINE SPECIFICATIONS……………… 2
3.INSTALLATION……………………………… 3
3-1.Table processing diagram……………………… 4
3-2.Installation…………………………………… 4
3-3.Lubrication………………………………… 7
3-4.connecting the cords…………………………… 8
4.PREPARATION BEFORE SEWING………… 9
4-1.Installing the needle…………………………… 9
4-2.Removing the bobbin case………………………… 9
4-3.Winding the lower thread……………………… 10
4-4.Installing the bobbin case……………………… 10
4-5.threading the upper thread……………………… 11
4-6.Adjusting the stitch length……………………… 11
4-7.Using the knee lifter…………………… 11
5.SEWING…………………………………………12
5-1.Sewing ………………………………… 12
5-2.Bachtacking……………………………… 12
6.THREAD TENSION…………………………… 13
6-1.Adjusting the thread tension……………………13
6-2.Adjusting the presser foot pressure……………14
6-3.Adjusting the trailing length afrer
thread trimming1………………………………4
7.CLEANING………………………………………15
7-1.Daily cleaning procedures………………………15
7-2.Applying grease………………………………18
8.ADJUSTING THE ROTARY HOOK
LUBRICATION AOUNT …………………… 19
9.STANDARD ADJUSTMENTS…………… 20
9-1. Adjusting the thread take-up spring……………20
9-2. Adjusting arm thread guide R…………………… 21
9-3. Adjusting the presser foot height…………………21
9-4. Adjusting of the feed dog height………………22
9-5. Adjusting the feed dog height…………………23
9-6. Adjusting the needle bar height…………………24
9-7. Adjusting the needle and feed mechanis timing…24
9-8. Adjusting the needle and rotary hook timing……25
9-9.Adjusting the thread trimmer mechanis…………25
10.TROUBLESHOOTING……………………29
PART BOOK
1. Machine body………………………………… 63
2. Needle bar and thread take-up mechanism… 64
3. Knee lifter mechanism………………………… 68
4. Feed mechanism………………………… 70
5. Quick reverse mechanism…………………… 74
6. Rotary hook mechanism……………………… 75
7. Lubrication …………………………………… 76
8. Bobbin winder mechanism & Threading
mechanism……………………………78
9. Thread trimmer mechanism………………… 80
10. Moter ,Quick reverse switch and Control box
mechanism…………………………………… 82
11. Solenoid p-foot lifter set mechanism……… 83
12. Accessories…………………………………84