typical GC6-6, Инструкция

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9
A
B
D
E
C
a b c d
16
A
B
C
D
E
4.4.2 Winding adjustment(Fig.16)
1) Wound bobbin thread should be neat and tight,
if not, adjust the thread tension by turning tension
stud thumb nut A of bobbin winder tension bracket.
Note: nylon or polyester thread should be wound
with light tension, otherwise bobbin D might be
broketn or deformed.
2) When the wound thread layer does not present
a cylindrical shape as in Fig.16a, loosen tension
bracket screw B and move tension bracket
C
leftward or rightward. If thread is wound as
shown in Fig, 16b, move the tension bracket
rightward, while if thread is wound as shown in
Fig. 16c, move the tension bracket leftward, After
adequately positioning the tension bracket, tighten
screw B.
Donot over fill the bobbin,the optimum capacity
of thread will fill about 80% of bobbin outside
diameter, this can be adjusted by stop latch screw E.
4.5 Threading the needle thread and drawing the
bobbin thread
To thread the needle thread, raise needle bar to
its highest position, lead the thread from spool and
pass it in the order numerically instructed in Fig.17.
The detail of threading are as follows:
1) Lead thread from spool, pass down thru the
right side of thread guide plate 1, to left pass up thru
middle hole o f thread guide plate 1,to left pass thru
between two small tension discs and pass down thru
the left hole of thread guide plate 1.
2) To left pass down thru the right hole, to left
up thru middle hole and to left down thru left hole of
thread retainer 2.
3) Pass down thru between two tension discs, to
left and up pass thru the hook of thread take-up spring,
turn to left pass thru underneath the slack thread
regulator5 (Model GC6-7 is the thread guide), then up
pass thru the thread guide 6. and up to left pass thru
the hole of thread take-lever 7.
4) Turn down to left pass thru the thread guide 8,
pass down thru the therad guard 9 of needle bar bushing
(lower)(on the machine Model GC6-7 is the lower
thread guard 9) and needle bar thread guide 10. Then
pass the thread from left thru the eye of needle 11,
afterward
draw out the thread from needle eye
approx 100mm.
To draw the bobbin thread, hold the tip of the
needle thread by hand,turn the balance wheel to lower
the needle bar and then, to lift it to its highest position.
Pull the needle thread and then the bobbin thread is
drawn up. Put the tips of needle and bobbin thread
toward from under presser foot.
4.6 Setting the bobbin (Fig.18)
1) Put bobbin B into bobbin case A.
2) Pass the thread thru slit C to lead it underneath
the bobbin case tension spring D and out at the notch
of spring, draw out thread about 100mm.
3) Make sure that the bobbin rotates clockwise
18
1
2
3
4
5
6
7
8
9
10
11
17
when the thread E is drawn, if not ,reverse the bobbin B.