typical GC6-7 - 4.3 Installing the Needle; 4.4 Winding the Bobbin Thread

1
2
E
D
C
B
A
G
F
14
8
4.3 the needle (Fig.14)Installing
Turn the balance wheel to lift needle bar to the
highest position, loosen needle set screw 1, fully insert
the needle shank upto the bottom of needle socket, then
tighten needle set screw 1.
Note: Fig.14(b): insufficient insertion,
Fig.14(c): wrong direction of long groove.
4.4 Winding the Bobbin thread
4.4.1 Winding method (Fig. 15)
1) Install bobbin A to bobbin winder spindle B.
2) Pass thread C from spool through the eye 1
on tension bracket E. Pass it between tension discs
2, and then wind the end of the thread a few turns
on the bobbin
3) Push stop latch thumb lever D down to lock the
bobbin, the winder pulley F is thereby pressed on belt G.
4) Start the machine to wind thread.
Note when thread is wound without sewing
operation, be sure to keep the presser foot lifted.
5) When thread is fully wound the bobbin
winder stop latch automatically release the bobbin
winder, thus stopping the winding motion.
15
I
a
b
c
Neelde long groove
Clearance