typical GC6760 SERIES, Руководство по установке, инструкции и обслуживанию

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3
4
4
8
8
8
D
3
5
1
6
7
2
1
9
TYPICAL GC6760 Series
10 // ADJUSTMENTS
10/9 Adjusting the hook distance, needle bar rise and needle height
The point of the hook (3) must be in the center of the needle (4)
when the needle bar (1) is 1.8 mm (2.2 mm version H) after the
lower turning point and must have a distance of 0 to 0.05 mm
to the needle.
The eye of the needle must be 0.5 to 0.7 mm below the point of
the hook. (Readjustment see 10/7 on page 40).
The needle bar (1) must be, as shown in illustration 1, in line
with the line D on the upper edge of the gauge, when you use
a gauge (2).
1. Remove presser foot (5), needle plate (6) and feed dog (7).
2. Set stitch length as follows:
<M> Stitch length 0
<H> Stitch length 3
3. Loosen the screws (9) on the hook (8) so it can be turned.
4. Move the needle bar (1) up by turning the
hand wheel until it touches the gauge.
5. In this position turn the hook (8) to the center of
the needle (4). Keep a distance of 0 to 0,05 mm to
the side of the needle.
6. Tighten all 3 set screws (9).
7. Replace feed dog (7), needle plate (6) and presser foot (5)
in this order.
Illustration 1
(M): 1.8 mm
(H): 2.2 mm
(M): 0.4 - 0.7 mm
(H): 0.6 - 1.1 mm
0.5 -
0.7 mm
0 - 0.05 mm 0 - 0.05 mm