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To the Operators··················································································································································· I
Ho\v to install the machine································································································································
1
Ho\v to operate tl1e ne\v machine···················································································································· I
l .. ubrication and drainage······················································································································· ........... I
I . Lubrication ....................................................................................................................................................
I
2. Drainage ........................................................................................................................................................
I
3. Needle ('ooling Lubrication-Silicon oil···································································································
Tltreading the machine······································································································································· I
Thread tension .......................................................................................................................................................
2
I.
Nuts Adjusttnent .............................................................................................................................
2
2. Needle Thread Control··································
.. ······•·•········•·············••·········· ... ························ .. ··•····•·•·······•··•·
2
Control .................................................................................................................................
2
4. Chain Looper Thread Can1 Control········································
.....................................................................
3
Stitch Length Adjustment ...............................................................................................................................
3
Needle replacement ..............................................................................................................................................
3
4
and timing ...................................................................................................................................
4
and Needle Plate ..............................................................................................................................
4
2.
Upper Looper and Needle····························································································································
4
3. Lo\ver Looper and Needle·······················································································································
.....
5
4. Upper Looper and Lo\ver Lopper ................................................................................................................
5
5. Needle and Needle Guard ............................................................................................................................
5
6. Chain Looper and Needle··················································································································
.. ·•·······
5
Problem settlement·············································: .................................................................................................
5
Parts catalog······················· .....................................................................................................................................
8
Specifications
Stitch
Presser foot
Decibel
Overedging
Sewing speed
Torque
Models
Thread
length
(r/min)
lift(mm)
(dB)
(N·m)
width(mm)
(mm)
GM747-3
3
5500--6000
0--5
6
~84
~0.4
1.5--6
GM747-4
4
5500--6000
0--5
6
~84
~0.4
1.5--6
GM747-5
5
5500--6000
0--5
6
~84
~0.4
L5--6
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