1. NAMES OF MAJOR PARTS ...................................
2. MACHINE SPECIFICATIONS ..................................
4. MOTOR ....................................................................
5. INSTALLATION .......................................................
5-1.
5-2.
5-3.
5-4.
5-5.
Installing thread guide U ...............................
5-6.
Installing the presser lifter pedal .................... 14
5-7.
5-8.
Installing the cotton stand .............................
5-9.
Lubrication ......................................................
5-10. Checking the machine pulley
rotating direction ............................................
6-1.
Needles ............................................................ 20
6-2.
6-3.
Threading ........................................................
6-4.
6-5.
Adjusting the stitch length .............................
7. SEWING .................................................................. 28
7-1.
Sewing speed .................................................
7-2.
Sewing .............................................................. 29
8. ADJUSTING THE THREAD TENSION ................... 31
8-1.
8-2.
9. CLEANING ............................................................... 34
9-1.
9-2.
Changing the lubrication oil
(every three months) ......................................
9-3.
Applying grease (every three months) .........
9-4.
Replacing the oil filter (every six months) .... 38
10-1. Removing parts which need to be
removed before adjustment ..........................
10-1-1. Face plate ..........................................
10-2-1. Needle thread take-up position ........ 44
10-2-3. Middle thread guide position ........... 45
10-2-5. Looper thread guide position
adjustment ........................................
10-2-6. Adjusting the height of the
needle bar .......................................... 48
10-2-7. Adjusting the ratio between the
lower feed amount and needle
feed amount ...................................... 49
10-2-9. Needle bar forward/back
position .............................................
CONTENTS
10-2-10. Adjusting the needle and looper
1
3
10-2-11. Adjusting the needle and looper
5
10-2-12. Adjusting the needle and looper
7
9
10-2-13. Adjusting the needle guard
11
10-2-14. Adjusting the retainer position ........ 60
12
10-2-16. Adjusting the needle plate
14
10-2-17. Adjusting the presser foot
15
11. INSTALLING COMMERCIALLY-AVAILABLE
16
PARTS ................................................................... 71
11-1. Synchronizer (Option) ...................................
19
11-2. Lapper .............................................................. 74
11-4. Puller and other parts ....................................
22
26
29
33
35
37
37
40
40
47
50
51
clearance ............................................ 52
timing ................................................. 55
positions ............................................ 57
position .............................................
position .............................................
mechanism ........................................ 69
59
67
72
75