TECHWOOD TMAC-1091, Инструкция по эксплуатации

Страница: 9 / 20

Extraction and installation of sewing needle must be implemented with power off
and comply with the following steps:
1.
Turn “OFF” the power and rotate the hand wheel (24).
2. Lift the needle bar(12) and sewing needle (16) to the height shown in the Fig
after the hand wheel (24) rotated, and then stop rotating hand wheel (24) to keep
it in static.
3.
Screw counter clockwise to screw off thimble screw(13).
4. Take out the sewing needle (16) to be replaced
5. Pass the sewing needle (16) through the thread guiding spring 2 (14) by
right bottom-up approach and insert needle bar(12) to its bottom. Then screw
clockwise to screw on thimble screw.
6.
Make sure install the sewing needle in place until it can’t insert into any
more. Normal sewing needle (16) installation must insert 7.5mm into the end of
needle bar(12) (shown in Fig), otherwise, it will cause firing-pin, thread hook, or
skipped stitches.
Attention
：
Pay attention to the following points during sewing needle installation
1. Make sure the perfect quality of the sewing needle. The sewing needles
shown in the right Fig will cause problems:
A: curved needle
B:
​ ​ blunt needles
C: needle with damaged pinpoint
(1)
2.Flat part of the sewing needing shall be installed
backward, shown in the right Fig
(2)
Threading
1.Insert the Spool Pin (22) onto the groove (23) on the back of the machine,
Put the bobbin on the Spool Pin (22), shown in Fig1.
2. Pass the thread of the bobbin through the hole of winding slice (21) from back
to front, shown in Fig2.
9